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Ahmed El Bialy

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University of California, Santa Barbara

University of British Columbia

University College Cork

Lancaster University

Ucla

Sarah M O H A M E D el hawary

De Montfort University

Suresh Muthusamy

Kongu Engineering College

Juraj Marušiak

Slovak Academy of Sciences

Leuphana University

Guilherme Moerbeck

UERJ - Universidade do Estado do Rio de Janeiro / Rio de Janeiro State University

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Papers by Ahmed El Bialy

Free-form surface registration and object recognition using surface signatures

A novel microscada system for Middle Egypt Electricity Company

16th International Conference and Exhibition on Electricity Distribution (CIRED 2001), 2001

The supervisory control and data acquisition (SCADA) system became a popular part of the power sy... more The supervisory control and data acquisition (SCADA) system became a popular part of the power system automation and has been extended to cover miscellaneous applications even in small size foundations. Historically, most of the automation efforts have been directed to serve the generation and transmission systems and a little attention has been given to the distribution system. That is because of problems which mainly have technical nature associated with the distribution system. These problems are attributed to the high number of scattered sites to be supervised by the master controller. These sites cannot be covered using either narrow band Radio Signals or telephone lines. The distribution Line communication (DLC) can be considered an efficient alternative communication medium to the aforementioned ones. The main advantage of the DLC is that the same distribution feeders are used as carriers for the communication signals. Therefore, the problems of scattered sites, distance, and the narrow band of the communication signal can be overcome.

International Journal of Multidisciplinary Approach and Studies A System for Simulating the Orthodontic Treatment Plan

A computerized system is built to help orthodontist in planning the treatment procedures of crani... more A computerized system is built to help orthodontist in planning the treatment procedures of craniofacial deformities. CT scans (head) for 10 patients were processed and their three-dimensional reconstructions were developed. For each patient a profile representing the present state is obtained. Another predicted profile for the patient drawn and the orthodontic formulates his plan depending on the distance measured between the two profiles. The system provides a new method for segmentation and visualization of the teeth crowns and roots. The three axes of each tooth were computed to enable the translation and rotation.

Free-form object recognition and registration using surface signatures

Secure remote patient monitoring system

2011 1st Middle East Conference on Biomedical Engineering, 2011

The design of portable low cost systems for remote monitoring of patients with chronic diseases i... more The design of portable low cost systems for remote monitoring of patients with chronic diseases is one of the most important fields in telemedicine and telecare. Using Bluetooth communication technology, which can be added to some medical equipment, may enhance the efficiency of patient monitoring. In this paper a low cost, secure portable system with wireless transmission is presented to monitor vital parameters such as heart rate, O 2 level ...etc. Transmitted data is archived and visualized both on a mobile phone and on a central server.

Medical Equipment Failure Rate Analysis Using Supervised Machine Learning

Advances in Intelligent Systems and Computing, 2018

Machine learning is widely used to identify patterns in data and to assemble models that anticipa... more Machine learning is widely used to identify patterns in data and to assemble models that anticipate future outcomes based on historical data. One of the critical components required for efficient healthcare services provision is medical equipment. Applying machine learning for failure rate modeling and prediction is of great importance. Therefore, two different stochastic models, ARMA and GARCH models, were utilized to analyze failure rate data. The outcome of each model was compared with previous work so that to achieve the best model that represent the failure rate data.

International Journal of Electrical & Computer Sciences IJECS-IJENS Vol: 10 No: 01 77 Towards a Complete Computer Dental Treatment System

Abstract- This paper introduces the production of 3D virtual clinic to help dentists in their tre... more Abstract- This paper introduces the production of 3D virtual clinic to help dentists in their treatment. To achieve this goal, different scientific areas are integrated such as: computer graphics, pattern recognition, computer vision, information technology and finite element machine (FEM). The proposed system includes the following tools; patient information system, automatic 2-D cephalometrics, 3-D cephalometrics, 3-D visualization, surgical planning, 3-D registration, soft tissue simulation, pre and post treatment analysis, etc. Acquisition of the 3D virtual model of the patient is the foundation of this work. The CT slides of the patient’s head (soft and hard tissues) are collected in a DICOM (Digital Imaging and Communication in Medicine) format. These slides are then compiled to build up the patient’s 3D model. Using ray-casting volume rendering technique, a digital computer based 3D replica is built. The theme also includes the detection of defective skeletal and dental areas...

Distal jet versus first class appliance for maxillary first molar distalization

Egyptian Orthodontic Journal, Dec 1, 2005

The present study was conducted to evaluate and compare the effects of the Distal Jet and First C... more The present study was conducted to evaluate and compare the effects of the Distal Jet and First Class appliances in distalizing maxillary first molars. The sample consisted of twenty female patients with a mean age of 14.6 years. The patients were divided randomly into two equal groups. In the first group Distal Jet appliances were used to distalize the maxillary first molars. On the other hand, First Class appliances were utilized for molar disalization in the second group. The disalization of the first molars were stopped when Class I molar relations were obtained. For all patients pre and post-distalization lateral cephalometric radiographs were taken. The results revealed that either appliance significantly distalized the maxillary first molars. However, the incisors were significantly tipped labially. Also, in both groups; no significant skeletal changes in the anteroposterior direction were found. The mandible showed significant clockwise rotation. Regarding the difference between the two groups, the distalizing time of the First Class appliance was significantly shorter than that of the Distal Jet. However, the distal tipping of the maxillary first molars was significantly greater in the First Class group than in the Distal Jet group. The other parameters were not significantly different between the two groups. According to the results of the present study; the following could be concluded; both the Distal Jet and the First Class

Automatic orthodontic clinical system

International Conference on Electrical, Electronic and Computer Engineering, 2004. ICEEC '04., 2004

Page 1. Automatic Orthodontic Clinical System Ahmed EL-Bialy, Ahmed Hisham Kandil Systems &am... more

A novel microscada system for Middle Egypt Electricity Company

The supervisory control and data acquisition (SCADA) system became a popular part of the power sy... more The supervisory control and data acquisition (SCADA) system became a popular part of the power system automation and has been extended to cover miscellaneous applications even in small size foundations. Historically, most of the automation efforts have been directed to serve the generation and transmission systems and a little attention has been given to the distribution system. That is because of problems which mainly have technical nature associated with the distribution system. These problems are attributed to the high number of scattered sites to be supervised by the master controller. These sites cannot be covered using either narrow band Radio Signals or telephone lines. The distribution Line communication (DLC) can be considered an efficient alternative communication medium to the aforementioned ones. The main advantage of the DLC is that the same distribution feeders are used as carriers for the communication signals. Therefore, the problems of scattered sites, distance, and the narrow band of the communication signal can be overcome.

Automatic cephalometric analysis using active appearance model and simulated annealing

The International Congress …, 2006

... Appearance Model and Simulated Annealing AA Saad1, A. El-Bialy1, AH Kandil1, A. Sayed Ahmed1 ... more

A myoelectric prosthesis controller

2003 IEEE 29th Annual Proceedings of Bioengineering Conference, 2003

Myoelectric prostheses are preferred for their natural way of control and enhanced cosmetic resto... more Myoelectric prostheses are preferred for their natural way of control and enhanced cosmetic restoration. Developing a software program that proportionally controls an upper limb myoelectric prosthesis is our target. Software processing of the (EMG) signal was performed by extracting the energy, RMS, and zero crossings features from the EMG signal, and then generating the appropriate control signal to the prosthesis for the required movements. A study for the amputee's muscles was performed to choose the suitable muscles for the prosthesis operation. Results had shown that the introduced control on/off performance was over 95% and its proportional performance was over 80 %.

A System for Simulating the Orthodontic Treatment Plan

A computerized system is built to help orthodontist in planning the treatment procedures of crani... more A computerized system is built to help orthodontist in planning the treatment procedures of craniofacial deformities. CT scans (head) for 10 patients were processed and their threedimensional reconstructions were developed. For each patient a profile representing the present state is obtained. Another predicted profile for the patient drawn and the orthodontic formulates his plan depending on the distance measured between the two profiles. The system provides a new method for segmentation and visualization of the teeth crowns and roots. The three axes of each tooth were computed to enable the translation and rotation. Keywords—orthodontics, craniofacial deformities, three-dimensional reconstruction, segmentation, visualization.

INTERNATIONAL JOURNA L OF ENGINEERING SCI ENCES & RESEARCH TECHNOLOGY Coupled Electromagnetic and Thermal Modeling of Microwave Tissue Processing

This study deals with 3D finite element modeling of microwave tissue processing using Comsol soft... more This study deals with 3D finite element modeling of microwave tissue processing using Comsol software 4.0. Maxwell's equations are coupled with heat cond uction equation to determine electromagnetic field distribution tissue sample in a reagent inside a domestic microw ave oven. The microwave power generation term is calculated. Also, temperature di stribution obtained is compared with experimental p oint measurements recorded in the centre of the tissue using a shielded K type thermocouple. Good agreement is found between numerical and experimental data. The effect of size of both reagent and tissue as well as tiss ue type on microwave heating patterns within tissue sample is investigated. Studies shows that the reagent v effect than other factors. The results of the study is considered as a basic foundation for developmen t of coupled electromagnetic thermal models of microwave heating of tissue specimens. The model assists in choosing parameters for achieving uniform temperat...

Medical Equipment Failure Rate Analysis Using Supervised Machine Learning

Machine learning is widely used to identify patterns in data and to assemble models that anticipa... more Machine learning is widely used to identify patterns in data and to assemble models that anticipate future outcomes based on historical data. One of the critical components required for efficient healthcare services provision is medical equipment. Applying machine learning for failure rate modeling and prediction is of great importance. Therefore, two different stochastic models, ARMA and GARCH models, were utilized to analyze failure rate data. The outcome of each model was compared with previous work so that to achieve the best model that represent the failure rate data.

Prediction of Medical Equipment Failure Rate: A Case Study

Medical equipment is one of the important inputs required for the provision of efficient healthca... more Medical equipment is one of the important inputs required for the provision of efficient healthcare services. Following maintenance programs will make the equipment last longer, work more efficiently and reduces the likelihood of equipment failure during critical processing operations. Prediction of these failures affects the efficiency and enlarges the uptime of medical equipment, minimizes sudden failures and even can prevent it. Therefore, time series analysis using autoregressive model (AR) has been used to analyze failure rate data. AR model uses the past behavior of the system output to predict its behavior in the future. The mean squared error (MSE) between model output and real-life data was less than 0.1 %. Moreover, it succeeded to predict duration of next failures.

<title>Object recognition and integration using surface signatures and neural networks</title>

Sensor Fusion and Decentralized Control in Robotic Systems II, 1999

In this paper we present a new technique for 3D free-form object recognition using neural network... more In this paper we present a new technique for 3D free-form object recognition using neural networks, and a novel surface representation scheme. This new scheme encodes the 3D surface information into a 2D image. This 2D image corresponds to a certain point on the surface. This image is invariant to both position and orientation and is unique for this point. Therefore, we called this image Surface Point Signature (SPS). Using specially designed neural networks, the SPS images are used in the matching and recognition of 3D objects in a 3D-scanned scene.

Towards an automatic massive course generation system

This paper considers a system for massive course generation. The output of this system is a cours... more This paper considers a system for massive course generation. The output of this system is a course arranged in a hierarchical structure of chapters and pages. Each page consists of multimedia components such as text, sound, music, image, video, animation, and graphics. The system has a hypermedia capability that is built on top of open Internet standards such as HTML. This enables the generated hypermedia courses to be broadcast on the Web and be navigated using any web browser. Students can evaluate their study and get a quantitative measure score for their study. Furthermore, the system is equipped with an automatic system for final exams generation. Finally, six courses of the senior year in the biomedical engineering department, Faculty of Engineering, Cairo University, were implemented using this generation system.

Arabic OCR: a centerline independent segmentation technique

International Conference on Electrical, Electronic and Computer Engineering, 2004. ICEEC '04., 2004

Page 1. ARABIC OCR: A CENTERLINE INDEPENDENT SEGMENTATION TECHNIQUE Ahmed H. Kandil, Ahmed El-Bia... more

Object recognition using neural networks and surface signatures

We present a concept for 3D free-form object recognition using a surface representation scheme. T... more We present a concept for 3D free-form object recognition using a surface representation scheme. This representation scheme captures the 3D curvature information of any free-form surface and encodes it into a 2D image corresponding to a certain point on the surface. This image is unique for this point and is independent from the object translation or orientation in space. For this reason we called this image the surface point signature (SPS). Using specially designed neural networks; the SPS images are used in the matching and recognition of 3D objects in a 3D scanned scene.

Free-form surface registration and object recognition using surface signatures

A novel microscada system for Middle Egypt Electricity Company

16th International Conference and Exhibition on Electricity Distribution (CIRED 2001), 2001

The supervisory control and data acquisition (SCADA) system became a popular part of the power sy... more The supervisory control and data acquisition (SCADA) system became a popular part of the power system automation and has been extended to cover miscellaneous applications even in small size foundations. Historically, most of the automation efforts have been directed to serve the generation and transmission systems and a little attention has been given to the distribution system. That is because of problems which mainly have technical nature associated with the distribution system. These problems are attributed to the high number of scattered sites to be supervised by the master controller. These sites cannot be covered using either narrow band Radio Signals or telephone lines. The distribution Line communication (DLC) can be considered an efficient alternative communication medium to the aforementioned ones. The main advantage of the DLC is that the same distribution feeders are used as carriers for the communication signals. Therefore, the problems of scattered sites, distance, and the narrow band of the communication signal can be overcome.

International Journal of Multidisciplinary Approach and Studies A System for Simulating the Orthodontic Treatment Plan

A computerized system is built to help orthodontist in planning the treatment procedures of crani... more A computerized system is built to help orthodontist in planning the treatment procedures of craniofacial deformities. CT scans (head) for 10 patients were processed and their three-dimensional reconstructions were developed. For each patient a profile representing the present state is obtained. Another predicted profile for the patient drawn and the orthodontic formulates his plan depending on the distance measured between the two profiles. The system provides a new method for segmentation and visualization of the teeth crowns and roots. The three axes of each tooth were computed to enable the translation and rotation.

Free-form object recognition and registration using surface signatures

Secure remote patient monitoring system

2011 1st Middle East Conference on Biomedical Engineering, 2011

The design of portable low cost systems for remote monitoring of patients with chronic diseases i... more The design of portable low cost systems for remote monitoring of patients with chronic diseases is one of the most important fields in telemedicine and telecare. Using Bluetooth communication technology, which can be added to some medical equipment, may enhance the efficiency of patient monitoring. In this paper a low cost, secure portable system with wireless transmission is presented to monitor vital parameters such as heart rate, O 2 level ...etc. Transmitted data is archived and visualized both on a mobile phone and on a central server.

Medical Equipment Failure Rate Analysis Using Supervised Machine Learning

Advances in Intelligent Systems and Computing, 2018

Machine learning is widely used to identify patterns in data and to assemble models that anticipa... more Machine learning is widely used to identify patterns in data and to assemble models that anticipate future outcomes based on historical data. One of the critical components required for efficient healthcare services provision is medical equipment. Applying machine learning for failure rate modeling and prediction is of great importance. Therefore, two different stochastic models, ARMA and GARCH models, were utilized to analyze failure rate data. The outcome of each model was compared with previous work so that to achieve the best model that represent the failure rate data.

International Journal of Electrical & Computer Sciences IJECS-IJENS Vol: 10 No: 01 77 Towards a Complete Computer Dental Treatment System

Abstract- This paper introduces the production of 3D virtual clinic to help dentists in their tre... more Abstract- This paper introduces the production of 3D virtual clinic to help dentists in their treatment. To achieve this goal, different scientific areas are integrated such as: computer graphics, pattern recognition, computer vision, information technology and finite element machine (FEM). The proposed system includes the following tools; patient information system, automatic 2-D cephalometrics, 3-D cephalometrics, 3-D visualization, surgical planning, 3-D registration, soft tissue simulation, pre and post treatment analysis, etc. Acquisition of the 3D virtual model of the patient is the foundation of this work. The CT slides of the patient’s head (soft and hard tissues) are collected in a DICOM (Digital Imaging and Communication in Medicine) format. These slides are then compiled to build up the patient’s 3D model. Using ray-casting volume rendering technique, a digital computer based 3D replica is built. The theme also includes the detection of defective skeletal and dental areas...

Distal jet versus first class appliance for maxillary first molar distalization

Egyptian Orthodontic Journal, Dec 1, 2005

The present study was conducted to evaluate and compare the effects of the Distal Jet and First C... more The present study was conducted to evaluate and compare the effects of the Distal Jet and First Class appliances in distalizing maxillary first molars. The sample consisted of twenty female patients with a mean age of 14.6 years. The patients were divided randomly into two equal groups. In the first group Distal Jet appliances were used to distalize the maxillary first molars. On the other hand, First Class appliances were utilized for molar disalization in the second group. The disalization of the first molars were stopped when Class I molar relations were obtained. For all patients pre and post-distalization lateral cephalometric radiographs were taken. The results revealed that either appliance significantly distalized the maxillary first molars. However, the incisors were significantly tipped labially. Also, in both groups; no significant skeletal changes in the anteroposterior direction were found. The mandible showed significant clockwise rotation. Regarding the difference between the two groups, the distalizing time of the First Class appliance was significantly shorter than that of the Distal Jet. However, the distal tipping of the maxillary first molars was significantly greater in the First Class group than in the Distal Jet group. The other parameters were not significantly different between the two groups. According to the results of the present study; the following could be concluded; both the Distal Jet and the First Class

Automatic orthodontic clinical system

International Conference on Electrical, Electronic and Computer Engineering, 2004. ICEEC '04., 2004

Page 1. Automatic Orthodontic Clinical System Ahmed EL-Bialy, Ahmed Hisham Kandil Systems &am... more

A novel microscada system for Middle Egypt Electricity Company

The supervisory control and data acquisition (SCADA) system became a popular part of the power sy... more The supervisory control and data acquisition (SCADA) system became a popular part of the power system automation and has been extended to cover miscellaneous applications even in small size foundations. Historically, most of the automation efforts have been directed to serve the generation and transmission systems and a little attention has been given to the distribution system. That is because of problems which mainly have technical nature associated with the distribution system. These problems are attributed to the high number of scattered sites to be supervised by the master controller. These sites cannot be covered using either narrow band Radio Signals or telephone lines. The distribution Line communication (DLC) can be considered an efficient alternative communication medium to the aforementioned ones. The main advantage of the DLC is that the same distribution feeders are used as carriers for the communication signals. Therefore, the problems of scattered sites, distance, and the narrow band of the communication signal can be overcome.

Automatic cephalometric analysis using active appearance model and simulated annealing

The International Congress …, 2006

... Appearance Model and Simulated Annealing AA Saad1, A. El-Bialy1, AH Kandil1, A. Sayed Ahmed1 ... more

A myoelectric prosthesis controller

2003 IEEE 29th Annual Proceedings of Bioengineering Conference, 2003

Myoelectric prostheses are preferred for their natural way of control and enhanced cosmetic resto... more Myoelectric prostheses are preferred for their natural way of control and enhanced cosmetic restoration. Developing a software program that proportionally controls an upper limb myoelectric prosthesis is our target. Software processing of the (EMG) signal was performed by extracting the energy, RMS, and zero crossings features from the EMG signal, and then generating the appropriate control signal to the prosthesis for the required movements. A study for the amputee's muscles was performed to choose the suitable muscles for the prosthesis operation. Results had shown that the introduced control on/off performance was over 95% and its proportional performance was over 80 %.

A System for Simulating the Orthodontic Treatment Plan

A computerized system is built to help orthodontist in planning the treatment procedures of crani... more A computerized system is built to help orthodontist in planning the treatment procedures of craniofacial deformities. CT scans (head) for 10 patients were processed and their threedimensional reconstructions were developed. For each patient a profile representing the present state is obtained. Another predicted profile for the patient drawn and the orthodontic formulates his plan depending on the distance measured between the two profiles. The system provides a new method for segmentation and visualization of the teeth crowns and roots. The three axes of each tooth were computed to enable the translation and rotation. Keywords—orthodontics, craniofacial deformities, three-dimensional reconstruction, segmentation, visualization.

INTERNATIONAL JOURNA L OF ENGINEERING SCI ENCES & RESEARCH TECHNOLOGY Coupled Electromagnetic and Thermal Modeling of Microwave Tissue Processing

This study deals with 3D finite element modeling of microwave tissue processing using Comsol soft... more This study deals with 3D finite element modeling of microwave tissue processing using Comsol software 4.0. Maxwell's equations are coupled with heat cond uction equation to determine electromagnetic field distribution tissue sample in a reagent inside a domestic microw ave oven. The microwave power generation term is calculated. Also, temperature di stribution obtained is compared with experimental p oint measurements recorded in the centre of the tissue using a shielded K type thermocouple. Good agreement is found between numerical and experimental data. The effect of size of both reagent and tissue as well as tiss ue type on microwave heating patterns within tissue sample is investigated. Studies shows that the reagent v effect than other factors. The results of the study is considered as a basic foundation for developmen t of coupled electromagnetic thermal models of microwave heating of tissue specimens. The model assists in choosing parameters for achieving uniform temperat...

Medical Equipment Failure Rate Analysis Using Supervised Machine Learning

Machine learning is widely used to identify patterns in data and to assemble models that anticipa... more Machine learning is widely used to identify patterns in data and to assemble models that anticipate future outcomes based on historical data. One of the critical components required for efficient healthcare services provision is medical equipment. Applying machine learning for failure rate modeling and prediction is of great importance. Therefore, two different stochastic models, ARMA and GARCH models, were utilized to analyze failure rate data. The outcome of each model was compared with previous work so that to achieve the best model that represent the failure rate data.

Prediction of Medical Equipment Failure Rate: A Case Study

Medical equipment is one of the important inputs required for the provision of efficient healthca... more Medical equipment is one of the important inputs required for the provision of efficient healthcare services. Following maintenance programs will make the equipment last longer, work more efficiently and reduces the likelihood of equipment failure during critical processing operations. Prediction of these failures affects the efficiency and enlarges the uptime of medical equipment, minimizes sudden failures and even can prevent it. Therefore, time series analysis using autoregressive model (AR) has been used to analyze failure rate data. AR model uses the past behavior of the system output to predict its behavior in the future. The mean squared error (MSE) between model output and real-life data was less than 0.1 %. Moreover, it succeeded to predict duration of next failures.

<title>Object recognition and integration using surface signatures and neural networks</title>

Sensor Fusion and Decentralized Control in Robotic Systems II, 1999

In this paper we present a new technique for 3D free-form object recognition using neural network... more In this paper we present a new technique for 3D free-form object recognition using neural networks, and a novel surface representation scheme. This new scheme encodes the 3D surface information into a 2D image. This 2D image corresponds to a certain point on the surface. This image is invariant to both position and orientation and is unique for this point. Therefore, we called this image Surface Point Signature (SPS). Using specially designed neural networks, the SPS images are used in the matching and recognition of 3D objects in a 3D-scanned scene.

Towards an automatic massive course generation system

This paper considers a system for massive course generation. The output of this system is a cours... more This paper considers a system for massive course generation. The output of this system is a course arranged in a hierarchical structure of chapters and pages. Each page consists of multimedia components such as text, sound, music, image, video, animation, and graphics. The system has a hypermedia capability that is built on top of open Internet standards such as HTML. This enables the generated hypermedia courses to be broadcast on the Web and be navigated using any web browser. Students can evaluate their study and get a quantitative measure score for their study. Furthermore, the system is equipped with an automatic system for final exams generation. Finally, six courses of the senior year in the biomedical engineering department, Faculty of Engineering, Cairo University, were implemented using this generation system.

Arabic OCR: a centerline independent segmentation technique

International Conference on Electrical, Electronic and Computer Engineering, 2004. ICEEC '04., 2004

Page 1. ARABIC OCR: A CENTERLINE INDEPENDENT SEGMENTATION TECHNIQUE Ahmed H. Kandil, Ahmed El-Bia... more

Object recognition using neural networks and surface signatures

We present a concept for 3D free-form object recognition using a surface representation scheme. T... more We present a concept for 3D free-form object recognition using a surface representation scheme. This representation scheme captures the 3D curvature information of any free-form surface and encodes it into a 2D image corresponding to a certain point on the surface. This image is unique for this point and is independent from the object translation or orientation in space. For this reason we called this image the surface point signature (SPS). Using specially designed neural networks; the SPS images are used in the matching and recognition of 3D objects in a 3D scanned scene.