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AMIT MAURYA

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Papers by AMIT MAURYA

Microbially-assisted phytoremediation toward air pollutants: Current trends and future directions

Environmental Technology & Innovation

A Study of Surgical Accuracy with X-Ray-Based Patient-Specific Instrument (X3DPSI®) vs Conventional Instrument in Total Knee Arthroplasty Surgeries

Indian Journal of Orthopaedics

Introduction Patient-specific instruments (PSI) have been shown to be a good solution in getting ... more Introduction Patient-specific instruments (PSI) have been shown to be a good solution in getting accurate bone cuts in total knee arthroplasty (TKA) in many studies. However, the need for an extra CT/MRI makes the existing PSI method costly and unsafe. X-ray-based PSI can solve these problems, if proven to be accurate. The purpose of this study was to introduce a novel method to measure the performance of X-ray to 3D-based PSI (X3DPSI ®) in achieving planned bone cuts by comparing with conventional instruments (CI). Materials and Methods This was a prospective study of a total of ten patients undergoing TKA surgery. Preoperative full length lower limb scanogram was done with specialized calibration strap-on marker to develop X3DPSI ® which was used intraoperatively for the placement of guiding pins for the cutting jig. Similarly, intraoperative guide pins were placed using CI also. Calibrated intraoperative X-ray images, in AP and LAT view, were taken while the cutting-block guiding pins were placed on the distal femur and proximal tibia. These X-ray images were used to calculate the cutting plane alignments for femur and tibia and to simulate the postoperative hip-knee-ankle (HKA) angle and MAD (mechanical axis deviation), in a virtual Tabplan3D environment for both the methods. Results The results showed that there was a significant difference between the two methods in terms of femoral cutting plane angles and in terms of the HKA angles and MAD. There was no significant difference in the tibial cutting plane angles in the coronal plane. Conclusion The mechanical axis alignment achieved based on the virtual cuts made using the X3DPSI ® was significantly better than the alignment achieved based on the cuts made using the CI, in terms of both HKA and MAD. This novel method of X-ray-based PSI is a low-cost alternative to CT/MRI-based PSI if found to be accurate in future planned studies.

Recharging Aquifers Through Percolation and Filtration: An Integrated Approach

Lecture Notes in Mechanical Engineering, 2020

This paper presents a study on surface runoff water harvesting and modification of the same, devi... more This paper presents a study on surface runoff water harvesting and modification of the same, devising a percolation cum filtration tank to simultaneously recharge groundwater as well as provide quality water for immediate usage. A detailed study of rainfall behaviour and statistics was done over a particular catchment in Amity University to obtain harvesting potential and subsequently design sedimentation and filtration units, respectively. With an additional filtration through laboratory prepared graphene oxide sand composite, the quality of filtered water is highly enhanced. Economic and easy synthesis of graphene oxide sand composite to easily provide this filter solution.

Evaluation of a Residential Building in Terms of Energy Optimisation and Water Management Criterion of GRIHA Rating System

Efficacy of Bio-Agents and Botanical Extracts in Control of Rhizoctonia Solani Causing Aerial or Web Blight of Soybean

A pot experiment was conducted at the College of Agriculture in C.S.A.U.A & T, Kanpur (U.P.),... more A pot experiment was conducted at the College of Agriculture in C.S.A.U.A & T, Kanpur (U.P.), India; during the Kharif season of 2012 and 2013 to study the Aerial blight of soybean caused by Rhizoctonia solani Kuhn. The efficacy of seven botanical extract viz., Garlic, Madar, Ginger, Aloevera, Neem, Makoy, Datura i.e. application @ 5 per centand six bio-agents viz. , Trichoderma viride, T. atroviride, T. harzianum, T. longibrachiatum, T. koningii & Aspergillus niger were tested in vitro and in vivo conditions were against Rhizoctonia solani , the causal organism of aerial blight of soybean. Results revealed that the under in vitro conditions, botanical extracts of Garlic was found highly effective showed 88.47 per cent inhibition in radial growth of the fungus at 5 per cent concentration followed by Madar at 5 per cent concentration. Datura was found least effective than rest of the plant extract. The use of bio-agents is risk free and the best alternative to sustain plant protection. Trichoderma viride was the most significantly effective 70.42 per cent as it inhibited the mycelial growth of Rhizoctonia solani after 7 days of incubation followed by T. atroviride and T. harzianum where 62.47 per cent and 47.68 per cent growth of fungus was observed, respectively. However, minimum effect on growth 8.62 per cent was observed in Aspergillus niger.

Sustainable Building Design: Energy Analysis of a Residential Building using AutodeskRevit

2021 2nd International Conference on Intelligent Engineering and Management (ICIEM), 2021

The construction industry has primarily relied on conventional building practices that focus on h... more The construction industry has primarily relied on conventional building practices that focus on high energy demand during the life cycle of a building. Over the years, the rapid consumption of energy has led to serious environmental problems such as deforestation, global warming, pollution, etc. To reduce the energy consumption of a given construction project, it is important to study the energy consumption of buildings during their planning stage. This paper aims to optimize the energy consumption of a building in India using sustainable construction practices under Building Information Modeling (BIM) and tools such as Autodesk® Revit®.

Sorting of Objects Using Image Processing

2020 IEEE International Conference for Innovation in Technology (INOCON), 2020

Sorting is a regular process for many industries and small businesses. The paper proposes a low-c... more Sorting is a regular process for many industries and small businesses. The paper proposes a low-cost automated system using Deep Learning, Raspberry Pi 3 module B, and a conveyor belt system for sorting of various day to day products. Object sorting is done based on their features. The physical implementation includes a conveyor belt and a pneumatic piston, which is controlled by the Raspberry Pi for the sorting of the object. TensorFlow, with some libraries and methods, is used for the detection of the object.

Design Process For Electronic System

Journal of emerging technologies and innovative research, 2019

Electronic System is a setup of electronic components, devices used in electronics. Large number ... more Electronic System is a setup of electronic components, devices used in electronics. Large number of topics, which covers analog and digital systems, which is being implemented by using discrete and integrated circuit. Also includes design techniques to cover Electronic Design Automation, authentication, endorsement, and system framework which implements real time embedded systems. Presented paper also includes an example of communication system design emphasizing on structures, characterization and system applications. Keywords— Electronic System Design, Biometric, fingerprint recognition, proxy prevention, Student attendance system, application

Multilateral Bargaining with Discrete Surplus

Krishna and Serrano (1996) show a unique and efficient outcome in a model of multilateral bargain... more Krishna and Serrano (1996) show a unique and efficient outcome in a model of multilateral bargaining. We show that the predictability of the model critically depends on the nature of the surplus i.e. whether it is continuous or discrete. We show that the model suffers from multiple equilibria and severe inefficiency when the surplus is discrete, not continuous as assumed in Krishna and Serrano (1996), and players are patient enough.

Multilateral Bargaining with Opt-Out Option

We study a model of multilateral bargaining in which a buyer attempts to assemble objects owned b... more We study a model of multilateral bargaining in which a buyer attempts to assemble objects owned by multiple sellers. Players can (non-cooperatively) opt out of the bargaining whenever they want. The presence of this option results in an equilibrium in which the buyer implements the project immediately and grabs the entire surplus. It also mitigates the inefficiency associated with nontransparent bargaining protocol. These results are in stark contrast to those obtained in Roy Chowdhury and Sengupta (2012).

CT-Based 3D Reconstruction of Lower Limb Versus X-Ray-Based 3D Reconstruction: A Comparative Analysis and Application for a Safe and Cost-Effective Modality in TKA

Indian Journal of Orthopaedics, 2021

Aim Patient Specific Instrumentation (PSI) with 3D bone models have been used to improve the outc... more Aim Patient Specific Instrumentation (PSI) with 3D bone models have been used to improve the outcomes of Total Knee Arthroplasty (TKA). The PSI, however, needs a CT (Computed tomography)/MRI scan to reproduce a bone-based model. However, CT is not a routine imaging method in the TKA and has challenges such as high radiation exposure and increased investigation cost. Any technology or software which could accurately recreate 3D bone models using X-ray would be a cheaper and safer tool. This study is based on one such technology (XrayTo3D®) using X-ray to 3D as an alternative to other image-based 3D bone models and PSI available in the market. This study compares the accuracy of XrayTo3D® versus a Conventional CT to 3D, in the reconstruction of lower limb bones (femur and tibia). Method In an analysis of 45 lower limbs, 11 anatomical parameters were measured [Medial Proximal Tibial Angle-MPTA, Tibial(T)-torsion, T-slope, T-length, Mechanical Lateral Distal Femoral Angle (mLDFA), F-version, F-length, Distal femoral Medio lateral width (F-ML), Distal Femoral Antero Posterior (F-AP), Proximal Tibia Antero Posterior (T-AP), Proximal Tibia Medio Lateral (T-ML) based on landmarks selected by three orthopaedic surgeons(numbers of the authors superscript), on two groups of 3D models, one reconstructed using XrayTo3D® and the other using CT. Mean and standard-deviation values were measured for all the parameters in both the groups. Statistical association between both the groups was measured by Pearson's correlation coefficient. Two-sided t tests of the mean values were calculated to compare the two measurement methods. The interobserver reproducibility within each group was measured by the intraclass correlation coefficient (ICC). Point-to-surface (P2S) error, in the distal femur and proximal tibia regions of the models reconstructed using XrayTo3D®, were also measured. Results For all the 11 parameters, no statistically significant difference was found between the 2 groups (p > 0.05). Pearson's correlation coefficients for all the parameters were not significant. The interobserver reproducibility was ranging from 0.90 to 1.00 and 0.90 to 1.00 for the XrayTo3D® and CT groups, respectively. The mean P2S distance was 1.0 mm in distal femur and 1.1 mm in proximal tibia which was within the acceptable limits. Conclusion The reconstruction accuracy of the XrayTo3D® is an accurate, safe and cost effective as compared to a CT-based method.

Surveillance Robot with Human Detection

2018 Second International Conference on Inventive Communication and Computational Technologies (ICICCT), 2018

This paper proposes a robot for human rescue operation using cognitive systems in an environment ... more This paper proposes a robot for human rescue operation using cognitive systems in an environment which is unsuitable for any human intervention. The robot can operate manually with human input and is also capable of autonomous operation by being guided using sensors. In manual mode, human input is provided wirelessly and its operation is observed by the feedback from a mounted camera. The robot is mounted with IR and PIR sensors to help it navigate while operating autonomously. The robot will aid in rescue operations by allowing a minimal threat to human life. Practical experiments and simulation experiments are carried out to validate our design.

Survey of Wilt (Fusarium udum) and the Cyst Nematode (Heterodera cajani) Incidence on Pigeonpea of Prayagraj District

Current Journal of Applied Science and Technology, 2020

A survey was conducted in selected villages of Prayagraj district to evaluate the disease inciden... more A survey was conducted in selected villages of Prayagraj district to evaluate the disease incidence of Fusarium (Fusarium udum) wilt and cyst nematode (Heterodera cajani) of pigeon pea (Cajanus cajan). Soil and roots were collected from the rhizosphere of infested pigeonpea plants. The maximum wilt incidence was recorded (57.6%) in Dari village followed by Pump House (56%), Pahlu ka Purwa (51.2%) and the lowest incidence of wilt was recorded in Chaka (12.8%), Naini (11.2%) and Jhusi (9.6%) in the year 2016. For cyst nematode, soil samples was collected from selected fields, the soil was mixed thoroughly and 500 g of the soil was processed following Cobb’s sieving and decanting method where cyst and J2’s were separated in separate mesh size sieves. It was observed that infestation of Heterodera cajani was very high in Jari (51%) followed by Naini (41%). The minimum infestation of Heterodera cajani was found in Meza village which was responsible for wilt disease in pigeonpea concludin...

Review Paper on The Countering the DOS or the XDOS Attack for Securing the Web Services

In this decade the use of web services consist of different and interacting technologies and appl... more In this decade the use of web services consist of different and interacting technologies and application in all field like defense, banking, transportation, marketing, finance. In such a case web technology play a important role to every field, it becomes main important part of today's communication world. But the web services get vulnerable to the attack like Denial of services (DOS) or XML denial of services (XDOS) attack which hamper web services by crashing the service provider and its services. So for curbing such activity, there are some practices that newly introducing like traceback architecture, framework, grid, authentication and the validation. Service such as services hub and verifier which acting as a mediator in between the client and the service provider which avoided direct communication between client and the server, so that tracing of IP address can't be done. The proposed system which is traceback architecture detects the IP address of the attacker so that system comes to know address of it and accordingly system block particular IP requests.

Formulation development and evaluation of novel oral jellies of carbamazepine using pectin, guar gum, and gellan gum

Asian Journal of Pharmaceutics, 2014

M edicated jelly formulations are more suitable for pediatric, geriatric and dysphagic patients, ... more M edicated jelly formulations are more suitable for pediatric, geriatric and dysphagic patients, which offer rapid dissolution and absorption of drugs thereby early onset of action. The aim was to develop and evaluate oral jelly formulations of carbamazepine (CBZ). Carbamazepine oral jellies were prepared to employ pectin, guar gum and gellan gum alone and pectin-guar gum combination. Preformulation studies, organoleptic, physical characteristics, drug content, pH, spreadability, rheological properties, syneresis, taste masking, in vitro dissolution testing, drug release kinetics and stability studies were conducted. The Fourier transform infrared and differential scanning calorimeter studies showed that there was no interaction between drug and excipients. The pH of all the formulations was found between pH 6.37 ± 0.03 and 6.83 ± 0.04. The concentration of gelling agents influenced the spreadability. Syneresis was observed in jellies made from guar gum alone, whereas those made from pectin and guar gum it was absent. The optimized formulations (F3, F11 and F15) masked the bitter taste of CBZ and demonstrated acceptable flavor and mouth feel. All formulations showed more than 50% drug release in 15 min except those made of gellan gum alone. The formulations F3, F11 and F15, were found stable for 90 days as per International Conference on Harmonization stability protocol. Carbamazepine jellies made from pectin (F3, 1.2%), gellan gum (F11, 1.5%) and pectin-guar gum (F15, 1:0.4%) were found more successful and could be employed to improve the palatability and acceptability by pediatric, geriatric and dysphagic patients. The jellies could be useful to overcome the problems of poorly soluble CBZ.

Classification of hard core and petty criminals using anthropometric measurements

Bioscience trends, 2010

The purpose of the present study was to compare the somatometric measurements among hard core cri... more The purpose of the present study was to compare the somatometric measurements among hard core criminals, petty criminals and community people. Using standard anthropometric procedures, somatometric dimensions were studied on 250 subjects each from the three groups: (i) experimental (hard core criminal) group, (ii) control-I (petty criminal) group, and (iii) control-II (community people) group. Univariate analysis of variance was used for making comparisons of somatometric measurements between these groups in the univariate case. Quadratic discriminant analysis (QDA) was used to develop a model based on measurements that classifies the cases into groups. The study revealed that the somatometric measurements such as morphological total facial height (p < 0.01), physiognomic total facial height (p = 0.015), nasal length (p = 0.001), height of lower face (p = 0.001), nasal depth (p = 0.002), sitting height vertex (p = 0.011), bigonial breadth (p < 0.001), maximum head breadth (p =...

Genre-specific modeling of visual features for efficient content based video shot classification and retrieval

International Journal of Multimedia Information Retrieval, 2013

This paper presents a genre-specific modeling strategy capable of improving the task of content b... more This paper presents a genre-specific modeling strategy capable of improving the task of content based video classification and the speed of data retrieval operations. With the ever increasing growth of video data it is important to classify video shots into groups based on its content. For that reason, it is of primary concern to design systems that could automatically classify videos into different genres based on its content. We consider the genre recognition task as a classification problem. We use support vector machines to perform the classification task and propose an improved video classification method. The experimental results show that genre-specific modeling of features can significantly improve the performance. Results have been compared with two contemporary works on video classification, to demonstrate the superiority of our proposed framework.

Multivariate time series modeling of geometric features of spatio-temporal volumes for content based video retrieval

International Journal of Multimedia Information Retrieval, 2013

In this paper, we address the problem of Content Based Video Retrieval using a multivariate time ... more In this paper, we address the problem of Content Based Video Retrieval using a multivariate time series modeling of features. We particularly focus on representing the dynamics of geometric features on the Spatio-Temporal Volume (STV) created from a real world video shot. The STV intrinsically holds the video content by capturing the dynamics of the appearance of the foreground object over time, and hence can be considered as a dynamical system. We have captured the geometric property of the parameterized STV using the Gaussian curvature computed at each point on its surface. The change of Gaussian curvature over time is then modeled as a Linear Dynamical System (LDS). Due to its capability to efficiently model the dynamics of a multivariate signal, Auto Regressive Moving Average (ARMA) model is used to represent the time series data. Parameters of the ARMA model are then used for video content representation. To discriminate between a pair of video shots (time series), we have used the subspace angle between a pair of feature vectors formed using ARMA model parameters. Experiments are done on four publicly available benchmark datasets, shot using a static camera. We present both qualitative and quantitative analysis of our proposed framework. Comparative results with three recent works on video retrieval also show the efficiency of our proposed framework.

Design of a wireless health monitoring system based on M2M communication

2014 International Conference on Control, Instrumentation, Communication and Computational Technologies (ICCICCT), 2014

Machine to machine (M2M) communication is commonly associated with telemedicine. Applications of ... more Machine to machine (M2M) communication is commonly associated with telemedicine. Applications of M2M technology can be seen in - security and surveillance, building automation, supply chains and logistics management, however, M2M is best placed in healthcare. Nowadays healthcare is becoming a proactive approach characterized by, early detection, prevention, and long-term management of health conditions. The purpose of this paper is to present a prototype healthcare solution based on machine-to-machine (M2M) communication to monitor the health condition of patients. The data regarding patient's conditions can be more easily monitored and analyzed. It also enables the patients to have more control over their treatment regime. The health parameters of the patient are measured by low power wearable sensors [1], and transmitted through the internet via the M2M node. The prototype provides collection, demonstration and storage of the vital information such as ECG, body temperature and pulse rate. This application would bring several benefits: it would increase the health observability of patients, participation and cooperation among doctors, and doctor-to-patient transparency, and thereby decrease healthcare costs. More importantly it will involve doctors when they are actually required, thus making best use of doctor's time.

Estimation of D-region Electron Density using Tweeks Measurements at Nainital and Allahabad

AIP Conference Proceedings, 2010

Lightning generated radio atmospheric that propagates over long distances via multiple reflection... more Lightning generated radio atmospheric that propagates over long distances via multiple reflections through the boundaries of the Earth-ionosphere waveguide (EIWG), shows sharp dispersion near the cut-off frequency ~1.8 kHz of the EIWG. These dispersed atmospherics at lower frequency end are called as `tweek&amp;amp;amp;#39; radio atmospherics. In order to estimate D-region electron densities at the ionospheric reflection heights we have utilized

Microbially-assisted phytoremediation toward air pollutants: Current trends and future directions

Environmental Technology & Innovation

A Study of Surgical Accuracy with X-Ray-Based Patient-Specific Instrument (X3DPSI®) vs Conventional Instrument in Total Knee Arthroplasty Surgeries

Indian Journal of Orthopaedics

Introduction Patient-specific instruments (PSI) have been shown to be a good solution in getting ... more Introduction Patient-specific instruments (PSI) have been shown to be a good solution in getting accurate bone cuts in total knee arthroplasty (TKA) in many studies. However, the need for an extra CT/MRI makes the existing PSI method costly and unsafe. X-ray-based PSI can solve these problems, if proven to be accurate. The purpose of this study was to introduce a novel method to measure the performance of X-ray to 3D-based PSI (X3DPSI ®) in achieving planned bone cuts by comparing with conventional instruments (CI). Materials and Methods This was a prospective study of a total of ten patients undergoing TKA surgery. Preoperative full length lower limb scanogram was done with specialized calibration strap-on marker to develop X3DPSI ® which was used intraoperatively for the placement of guiding pins for the cutting jig. Similarly, intraoperative guide pins were placed using CI also. Calibrated intraoperative X-ray images, in AP and LAT view, were taken while the cutting-block guiding pins were placed on the distal femur and proximal tibia. These X-ray images were used to calculate the cutting plane alignments for femur and tibia and to simulate the postoperative hip-knee-ankle (HKA) angle and MAD (mechanical axis deviation), in a virtual Tabplan3D environment for both the methods. Results The results showed that there was a significant difference between the two methods in terms of femoral cutting plane angles and in terms of the HKA angles and MAD. There was no significant difference in the tibial cutting plane angles in the coronal plane. Conclusion The mechanical axis alignment achieved based on the virtual cuts made using the X3DPSI ® was significantly better than the alignment achieved based on the cuts made using the CI, in terms of both HKA and MAD. This novel method of X-ray-based PSI is a low-cost alternative to CT/MRI-based PSI if found to be accurate in future planned studies.

Recharging Aquifers Through Percolation and Filtration: An Integrated Approach

Lecture Notes in Mechanical Engineering, 2020

This paper presents a study on surface runoff water harvesting and modification of the same, devi... more This paper presents a study on surface runoff water harvesting and modification of the same, devising a percolation cum filtration tank to simultaneously recharge groundwater as well as provide quality water for immediate usage. A detailed study of rainfall behaviour and statistics was done over a particular catchment in Amity University to obtain harvesting potential and subsequently design sedimentation and filtration units, respectively. With an additional filtration through laboratory prepared graphene oxide sand composite, the quality of filtered water is highly enhanced. Economic and easy synthesis of graphene oxide sand composite to easily provide this filter solution.

Evaluation of a Residential Building in Terms of Energy Optimisation and Water Management Criterion of GRIHA Rating System

Efficacy of Bio-Agents and Botanical Extracts in Control of Rhizoctonia Solani Causing Aerial or Web Blight of Soybean

A pot experiment was conducted at the College of Agriculture in C.S.A.U.A & T, Kanpur (U.P.),... more A pot experiment was conducted at the College of Agriculture in C.S.A.U.A & T, Kanpur (U.P.), India; during the Kharif season of 2012 and 2013 to study the Aerial blight of soybean caused by Rhizoctonia solani Kuhn. The efficacy of seven botanical extract viz., Garlic, Madar, Ginger, Aloevera, Neem, Makoy, Datura i.e. application @ 5 per centand six bio-agents viz. , Trichoderma viride, T. atroviride, T. harzianum, T. longibrachiatum, T. koningii & Aspergillus niger were tested in vitro and in vivo conditions were against Rhizoctonia solani , the causal organism of aerial blight of soybean. Results revealed that the under in vitro conditions, botanical extracts of Garlic was found highly effective showed 88.47 per cent inhibition in radial growth of the fungus at 5 per cent concentration followed by Madar at 5 per cent concentration. Datura was found least effective than rest of the plant extract. The use of bio-agents is risk free and the best alternative to sustain plant protection. Trichoderma viride was the most significantly effective 70.42 per cent as it inhibited the mycelial growth of Rhizoctonia solani after 7 days of incubation followed by T. atroviride and T. harzianum where 62.47 per cent and 47.68 per cent growth of fungus was observed, respectively. However, minimum effect on growth 8.62 per cent was observed in Aspergillus niger.

Sustainable Building Design: Energy Analysis of a Residential Building using AutodeskRevit

2021 2nd International Conference on Intelligent Engineering and Management (ICIEM), 2021

The construction industry has primarily relied on conventional building practices that focus on h... more The construction industry has primarily relied on conventional building practices that focus on high energy demand during the life cycle of a building. Over the years, the rapid consumption of energy has led to serious environmental problems such as deforestation, global warming, pollution, etc. To reduce the energy consumption of a given construction project, it is important to study the energy consumption of buildings during their planning stage. This paper aims to optimize the energy consumption of a building in India using sustainable construction practices under Building Information Modeling (BIM) and tools such as Autodesk® Revit®.

Sorting of Objects Using Image Processing

2020 IEEE International Conference for Innovation in Technology (INOCON), 2020

Sorting is a regular process for many industries and small businesses. The paper proposes a low-c... more Sorting is a regular process for many industries and small businesses. The paper proposes a low-cost automated system using Deep Learning, Raspberry Pi 3 module B, and a conveyor belt system for sorting of various day to day products. Object sorting is done based on their features. The physical implementation includes a conveyor belt and a pneumatic piston, which is controlled by the Raspberry Pi for the sorting of the object. TensorFlow, with some libraries and methods, is used for the detection of the object.

Design Process For Electronic System

Journal of emerging technologies and innovative research, 2019

Electronic System is a setup of electronic components, devices used in electronics. Large number ... more Electronic System is a setup of electronic components, devices used in electronics. Large number of topics, which covers analog and digital systems, which is being implemented by using discrete and integrated circuit. Also includes design techniques to cover Electronic Design Automation, authentication, endorsement, and system framework which implements real time embedded systems. Presented paper also includes an example of communication system design emphasizing on structures, characterization and system applications. Keywords— Electronic System Design, Biometric, fingerprint recognition, proxy prevention, Student attendance system, application

Multilateral Bargaining with Discrete Surplus

Krishna and Serrano (1996) show a unique and efficient outcome in a model of multilateral bargain... more Krishna and Serrano (1996) show a unique and efficient outcome in a model of multilateral bargaining. We show that the predictability of the model critically depends on the nature of the surplus i.e. whether it is continuous or discrete. We show that the model suffers from multiple equilibria and severe inefficiency when the surplus is discrete, not continuous as assumed in Krishna and Serrano (1996), and players are patient enough.

Multilateral Bargaining with Opt-Out Option

We study a model of multilateral bargaining in which a buyer attempts to assemble objects owned b... more We study a model of multilateral bargaining in which a buyer attempts to assemble objects owned by multiple sellers. Players can (non-cooperatively) opt out of the bargaining whenever they want. The presence of this option results in an equilibrium in which the buyer implements the project immediately and grabs the entire surplus. It also mitigates the inefficiency associated with nontransparent bargaining protocol. These results are in stark contrast to those obtained in Roy Chowdhury and Sengupta (2012).

CT-Based 3D Reconstruction of Lower Limb Versus X-Ray-Based 3D Reconstruction: A Comparative Analysis and Application for a Safe and Cost-Effective Modality in TKA

Indian Journal of Orthopaedics, 2021

Aim Patient Specific Instrumentation (PSI) with 3D bone models have been used to improve the outc... more Aim Patient Specific Instrumentation (PSI) with 3D bone models have been used to improve the outcomes of Total Knee Arthroplasty (TKA). The PSI, however, needs a CT (Computed tomography)/MRI scan to reproduce a bone-based model. However, CT is not a routine imaging method in the TKA and has challenges such as high radiation exposure and increased investigation cost. Any technology or software which could accurately recreate 3D bone models using X-ray would be a cheaper and safer tool. This study is based on one such technology (XrayTo3D®) using X-ray to 3D as an alternative to other image-based 3D bone models and PSI available in the market. This study compares the accuracy of XrayTo3D® versus a Conventional CT to 3D, in the reconstruction of lower limb bones (femur and tibia). Method In an analysis of 45 lower limbs, 11 anatomical parameters were measured [Medial Proximal Tibial Angle-MPTA, Tibial(T)-torsion, T-slope, T-length, Mechanical Lateral Distal Femoral Angle (mLDFA), F-version, F-length, Distal femoral Medio lateral width (F-ML), Distal Femoral Antero Posterior (F-AP), Proximal Tibia Antero Posterior (T-AP), Proximal Tibia Medio Lateral (T-ML) based on landmarks selected by three orthopaedic surgeons(numbers of the authors superscript), on two groups of 3D models, one reconstructed using XrayTo3D® and the other using CT. Mean and standard-deviation values were measured for all the parameters in both the groups. Statistical association between both the groups was measured by Pearson's correlation coefficient. Two-sided t tests of the mean values were calculated to compare the two measurement methods. The interobserver reproducibility within each group was measured by the intraclass correlation coefficient (ICC). Point-to-surface (P2S) error, in the distal femur and proximal tibia regions of the models reconstructed using XrayTo3D®, were also measured. Results For all the 11 parameters, no statistically significant difference was found between the 2 groups (p > 0.05). Pearson's correlation coefficients for all the parameters were not significant. The interobserver reproducibility was ranging from 0.90 to 1.00 and 0.90 to 1.00 for the XrayTo3D® and CT groups, respectively. The mean P2S distance was 1.0 mm in distal femur and 1.1 mm in proximal tibia which was within the acceptable limits. Conclusion The reconstruction accuracy of the XrayTo3D® is an accurate, safe and cost effective as compared to a CT-based method.

Surveillance Robot with Human Detection

2018 Second International Conference on Inventive Communication and Computational Technologies (ICICCT), 2018

This paper proposes a robot for human rescue operation using cognitive systems in an environment ... more This paper proposes a robot for human rescue operation using cognitive systems in an environment which is unsuitable for any human intervention. The robot can operate manually with human input and is also capable of autonomous operation by being guided using sensors. In manual mode, human input is provided wirelessly and its operation is observed by the feedback from a mounted camera. The robot is mounted with IR and PIR sensors to help it navigate while operating autonomously. The robot will aid in rescue operations by allowing a minimal threat to human life. Practical experiments and simulation experiments are carried out to validate our design.

Survey of Wilt (Fusarium udum) and the Cyst Nematode (Heterodera cajani) Incidence on Pigeonpea of Prayagraj District

Current Journal of Applied Science and Technology, 2020

A survey was conducted in selected villages of Prayagraj district to evaluate the disease inciden... more A survey was conducted in selected villages of Prayagraj district to evaluate the disease incidence of Fusarium (Fusarium udum) wilt and cyst nematode (Heterodera cajani) of pigeon pea (Cajanus cajan). Soil and roots were collected from the rhizosphere of infested pigeonpea plants. The maximum wilt incidence was recorded (57.6%) in Dari village followed by Pump House (56%), Pahlu ka Purwa (51.2%) and the lowest incidence of wilt was recorded in Chaka (12.8%), Naini (11.2%) and Jhusi (9.6%) in the year 2016. For cyst nematode, soil samples was collected from selected fields, the soil was mixed thoroughly and 500 g of the soil was processed following Cobb’s sieving and decanting method where cyst and J2’s were separated in separate mesh size sieves. It was observed that infestation of Heterodera cajani was very high in Jari (51%) followed by Naini (41%). The minimum infestation of Heterodera cajani was found in Meza village which was responsible for wilt disease in pigeonpea concludin...

Review Paper on The Countering the DOS or the XDOS Attack for Securing the Web Services

In this decade the use of web services consist of different and interacting technologies and appl... more In this decade the use of web services consist of different and interacting technologies and application in all field like defense, banking, transportation, marketing, finance. In such a case web technology play a important role to every field, it becomes main important part of today's communication world. But the web services get vulnerable to the attack like Denial of services (DOS) or XML denial of services (XDOS) attack which hamper web services by crashing the service provider and its services. So for curbing such activity, there are some practices that newly introducing like traceback architecture, framework, grid, authentication and the validation. Service such as services hub and verifier which acting as a mediator in between the client and the service provider which avoided direct communication between client and the server, so that tracing of IP address can't be done. The proposed system which is traceback architecture detects the IP address of the attacker so that system comes to know address of it and accordingly system block particular IP requests.

Formulation development and evaluation of novel oral jellies of carbamazepine using pectin, guar gum, and gellan gum

Asian Journal of Pharmaceutics, 2014

M edicated jelly formulations are more suitable for pediatric, geriatric and dysphagic patients, ... more M edicated jelly formulations are more suitable for pediatric, geriatric and dysphagic patients, which offer rapid dissolution and absorption of drugs thereby early onset of action. The aim was to develop and evaluate oral jelly formulations of carbamazepine (CBZ). Carbamazepine oral jellies were prepared to employ pectin, guar gum and gellan gum alone and pectin-guar gum combination. Preformulation studies, organoleptic, physical characteristics, drug content, pH, spreadability, rheological properties, syneresis, taste masking, in vitro dissolution testing, drug release kinetics and stability studies were conducted. The Fourier transform infrared and differential scanning calorimeter studies showed that there was no interaction between drug and excipients. The pH of all the formulations was found between pH 6.37 ± 0.03 and 6.83 ± 0.04. The concentration of gelling agents influenced the spreadability. Syneresis was observed in jellies made from guar gum alone, whereas those made from pectin and guar gum it was absent. The optimized formulations (F3, F11 and F15) masked the bitter taste of CBZ and demonstrated acceptable flavor and mouth feel. All formulations showed more than 50% drug release in 15 min except those made of gellan gum alone. The formulations F3, F11 and F15, were found stable for 90 days as per International Conference on Harmonization stability protocol. Carbamazepine jellies made from pectin (F3, 1.2%), gellan gum (F11, 1.5%) and pectin-guar gum (F15, 1:0.4%) were found more successful and could be employed to improve the palatability and acceptability by pediatric, geriatric and dysphagic patients. The jellies could be useful to overcome the problems of poorly soluble CBZ.

Classification of hard core and petty criminals using anthropometric measurements

Bioscience trends, 2010

The purpose of the present study was to compare the somatometric measurements among hard core cri... more The purpose of the present study was to compare the somatometric measurements among hard core criminals, petty criminals and community people. Using standard anthropometric procedures, somatometric dimensions were studied on 250 subjects each from the three groups: (i) experimental (hard core criminal) group, (ii) control-I (petty criminal) group, and (iii) control-II (community people) group. Univariate analysis of variance was used for making comparisons of somatometric measurements between these groups in the univariate case. Quadratic discriminant analysis (QDA) was used to develop a model based on measurements that classifies the cases into groups. The study revealed that the somatometric measurements such as morphological total facial height (p < 0.01), physiognomic total facial height (p = 0.015), nasal length (p = 0.001), height of lower face (p = 0.001), nasal depth (p = 0.002), sitting height vertex (p = 0.011), bigonial breadth (p < 0.001), maximum head breadth (p =...

Genre-specific modeling of visual features for efficient content based video shot classification and retrieval

International Journal of Multimedia Information Retrieval, 2013

This paper presents a genre-specific modeling strategy capable of improving the task of content b... more This paper presents a genre-specific modeling strategy capable of improving the task of content based video classification and the speed of data retrieval operations. With the ever increasing growth of video data it is important to classify video shots into groups based on its content. For that reason, it is of primary concern to design systems that could automatically classify videos into different genres based on its content. We consider the genre recognition task as a classification problem. We use support vector machines to perform the classification task and propose an improved video classification method. The experimental results show that genre-specific modeling of features can significantly improve the performance. Results have been compared with two contemporary works on video classification, to demonstrate the superiority of our proposed framework.

Multivariate time series modeling of geometric features of spatio-temporal volumes for content based video retrieval

International Journal of Multimedia Information Retrieval, 2013

In this paper, we address the problem of Content Based Video Retrieval using a multivariate time ... more In this paper, we address the problem of Content Based Video Retrieval using a multivariate time series modeling of features. We particularly focus on representing the dynamics of geometric features on the Spatio-Temporal Volume (STV) created from a real world video shot. The STV intrinsically holds the video content by capturing the dynamics of the appearance of the foreground object over time, and hence can be considered as a dynamical system. We have captured the geometric property of the parameterized STV using the Gaussian curvature computed at each point on its surface. The change of Gaussian curvature over time is then modeled as a Linear Dynamical System (LDS). Due to its capability to efficiently model the dynamics of a multivariate signal, Auto Regressive Moving Average (ARMA) model is used to represent the time series data. Parameters of the ARMA model are then used for video content representation. To discriminate between a pair of video shots (time series), we have used the subspace angle between a pair of feature vectors formed using ARMA model parameters. Experiments are done on four publicly available benchmark datasets, shot using a static camera. We present both qualitative and quantitative analysis of our proposed framework. Comparative results with three recent works on video retrieval also show the efficiency of our proposed framework.

Design of a wireless health monitoring system based on M2M communication

2014 International Conference on Control, Instrumentation, Communication and Computational Technologies (ICCICCT), 2014

Machine to machine (M2M) communication is commonly associated with telemedicine. Applications of ... more Machine to machine (M2M) communication is commonly associated with telemedicine. Applications of M2M technology can be seen in - security and surveillance, building automation, supply chains and logistics management, however, M2M is best placed in healthcare. Nowadays healthcare is becoming a proactive approach characterized by, early detection, prevention, and long-term management of health conditions. The purpose of this paper is to present a prototype healthcare solution based on machine-to-machine (M2M) communication to monitor the health condition of patients. The data regarding patient's conditions can be more easily monitored and analyzed. It also enables the patients to have more control over their treatment regime. The health parameters of the patient are measured by low power wearable sensors [1], and transmitted through the internet via the M2M node. The prototype provides collection, demonstration and storage of the vital information such as ECG, body temperature and pulse rate. This application would bring several benefits: it would increase the health observability of patients, participation and cooperation among doctors, and doctor-to-patient transparency, and thereby decrease healthcare costs. More importantly it will involve doctors when they are actually required, thus making best use of doctor's time.

Estimation of D-region Electron Density using Tweeks Measurements at Nainital and Allahabad

AIP Conference Proceedings, 2010

Lightning generated radio atmospheric that propagates over long distances via multiple reflection... more Lightning generated radio atmospheric that propagates over long distances via multiple reflections through the boundaries of the Earth-ionosphere waveguide (EIWG), shows sharp dispersion near the cut-off frequency ~1.8 kHz of the EIWG. These dispersed atmospherics at lower frequency end are called as `tweek&amp;amp;amp;#39; radio atmospherics. In order to estimate D-region electron densities at the ionospheric reflection heights we have utilized