{"id":1071672,"date":"2025-01-08T11:09:20","date_gmt":"2025-01-08T03:09:20","guid":{"rendered":"https:\/\/docs.pingcode.com\/ask\/ask-ask\/1071672.html"},"modified":"2025-01-08T11:09:22","modified_gmt":"2025-01-08T03:09:22","slug":"python%e5%a6%82%e4%bd%95%e5%81%9a%e5%8f%af%e7%bc%96%e8%be%91%e7%9a%84%e5%9b%be%e7%89%87-2","status":"publish","type":"post","link":"https:\/\/docs.pingcode.com\/ask\/1071672.html","title":{"rendered":"python\u5982\u4f55\u505a\u53ef\u7f16\u8f91\u7684\u56fe\u7247"},"content":{"rendered":"

\"python\u5982\u4f55\u505a\u53ef\u7f16\u8f91\u7684\u56fe\u7247\"<\/p>\n

\u5728Python\u4e2d\u505a\u53ef\u7f16\u8f91\u7684\u56fe\u7247\u53ef\u4ee5\u4f7f\u7528Pillow\u3001OpenCV\u3001Matplotlib\u7b49\u5e93\u3002<\/strong> \u5176\u4e2d\uff0cPillow\u662f\u4e00\u4e2a\u975e\u5e38\u6d41\u884c\u7684\u56fe\u50cf\u5904\u7406\u5e93\uff0c\u5b83\u63d0\u4f9b\u4e86\u4e30\u5bcc\u7684\u56fe\u50cf\u7f16\u8f91\u529f\u80fd\uff0c\u5982\u88c1\u526a\u3001\u8c03\u6574\u5927\u5c0f\u3001\u65cb\u8f6c\u3001\u6ee4\u955c\u7b49\u3002OpenCV\u5219\u662f\u4e00\u6b3e\u5f3a\u5927\u7684\u8ba1\u7b97\u673a\u89c6\u89c9\u5e93\uff0c\u9664\u4e86\u57fa\u672c\u7684\u56fe\u50cf\u5904\u7406\u529f\u80fd\u5916\uff0c\u8fd8\u652f\u6301\u590d\u6742\u7684\u56fe\u50cf\u5206\u6790\u548c\u8ba1\u7b97\u3002Matplotlib\u867d\u7136\u4e3b\u8981\u7528\u4e8e\u6570\u636e\u53ef\u89c6\u5316\uff0c\u4f46\u4e5f\u53ef\u4ee5\u7528\u6765\u751f\u6210\u548c\u7f16\u8f91\u7b80\u5355\u7684\u56fe\u7247\u3002<\/p>\n<\/p>\n

\u4e0b\u9762\u5c06\u8be6\u7ec6\u4ecb\u7ecd\u5982\u4f55\u4f7f\u7528Pillow\u8fdb\u884c\u56fe\u7247\u7f16\u8f91\uff1a<\/p>\n<\/p>\n

\u4e00\u3001\u5b89\u88c5\u548c\u5bfc\u5165Pillow\u5e93<\/h3>\n<\/p>\n

\u5728\u5f00\u59cb\u8fdb\u884c\u56fe\u7247\u7f16\u8f91\u4e4b\u524d\uff0c\u9700\u8981\u786e\u4fdd\u5df2\u7ecf\u5b89\u88c5\u4e86Pillow\u5e93\u3002\u53ef\u4ee5\u901a\u8fc7\u4ee5\u4e0b\u547d\u4ee4\u5b89\u88c5Pillow\uff1a<\/p>\n<\/p>\n

pip install pillow<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5b89\u88c5\u5b8c\u6210\u540e\uff0c\u53ef\u4ee5\u5728Python\u811a\u672c\u4e2d\u5bfc\u5165Pillow\u5e93\uff1a<\/p>\n<\/p>\n
from PIL import Image, ImageDraw, ImageFont, ImageFilter<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u4e8c\u3001\u52a0\u8f7d\u548c\u663e\u793a\u56fe\u7247<\/h3>\n<\/p>\n
\u9996\u5148\uff0c\u6211\u4eec\u9700\u8981\u52a0\u8f7d\u4e00\u5f20\u56fe\u7247\u5e76\u663e\u793a\u51fa\u6765\u3002\u4ee5\u4e0b\u662f\u52a0\u8f7d\u548c\u663e\u793a\u56fe\u7247\u7684\u793a\u4f8b\u4ee3\u7801\uff1a<\/p>\n<\/p>\n
image = Image.open("example.jpg")<\/p>\n
image.show()<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u4e09\u3001\u88c1\u526a\u548c\u8c03\u6574\u56fe\u7247<\/h3>\n<\/p>\n
1. \u88c1\u526a\u56fe\u7247<\/h4>\n<\/p>\n
\u88c1\u526a\u56fe\u7247\u53ef\u4ee5\u901a\u8fc7crop<\/code>\u65b9\u6cd5\u5b9e\u73b0\u3002\u8be5\u65b9\u6cd5\u63a5\u53d7\u4e00\u4e2a\u5143\u7ec4\u53c2\u6570\uff0c\u8868\u793a\u88c1\u526a\u533a\u57df\u7684\u5de6\u3001\u4e0a\u3001\u53f3\u3001\u4e0b\u5750\u6807\u3002\u4ee5\u4e0b\u662f\u88c1\u526a\u56fe\u7247\u7684\u793a\u4f8b\u4ee3\u7801\uff1a<\/p>\n<\/p>\n
cropped_image = image.crop((100, 100, 400, 400))<\/p>\n
cropped_image.show()<\/p>\n
<\/code><\/pre>\n<\/p>\n
2. \u8c03\u6574\u56fe\u7247\u5927\u5c0f<\/h4>\n<\/p>\n
\u8c03\u6574\u56fe\u7247\u5927\u5c0f\u53ef\u4ee5\u901a\u8fc7resize<\/code>\u65b9\u6cd5\u5b9e\u73b0\u3002\u8be5\u65b9\u6cd5\u63a5\u53d7\u4e00\u4e2a\u5143\u7ec4\u53c2\u6570\uff0c\u8868\u793a\u65b0\u7684\u5bbd\u5ea6\u548c\u9ad8\u5ea6\u3002\u4ee5\u4e0b\u662f\u8c03\u6574\u56fe\u7247\u5927\u5c0f\u7684\u793a\u4f8b\u4ee3\u7801\uff1a<\/p>\n<\/p>\n
resized_image = image.resize((200, 200))<\/p>\n
resized_image.show()<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u56db\u3001\u65cb\u8f6c\u548c\u7ffb\u8f6c\u56fe\u7247<\/h3>\n<\/p>\n
1. \u65cb\u8f6c\u56fe\u7247<\/h4>\n<\/p>\n
\u65cb\u8f6c\u56fe\u7247\u53ef\u4ee5\u901a\u8fc7rotate<\/code>\u65b9\u6cd5\u5b9e\u73b0\u3002\u8be5\u65b9\u6cd5\u63a5\u53d7\u4e00\u4e2a\u53c2\u6570\uff0c\u8868\u793a\u65cb\u8f6c\u7684\u89d2\u5ea6\u3002\u4ee5\u4e0b\u662f\u65cb\u8f6c\u56fe\u7247\u7684\u793a\u4f8b\u4ee3\u7801\uff1a<\/p>\n<\/p>\n
rotated_image = image.rotate(45)<\/p>\n
rotated_image.show()<\/p>\n
<\/code><\/pre>\n<\/p>\n
2. \u7ffb\u8f6c\u56fe\u7247<\/h4>\n<\/p>\n
\u7ffb\u8f6c\u56fe\u7247\u53ef\u4ee5\u901a\u8fc7transpose<\/code>\u65b9\u6cd5\u5b9e\u73b0\u3002\u8be5\u65b9\u6cd5\u63a5\u53d7\u4e00\u4e2a\u53c2\u6570\uff0c\u8868\u793a\u7ffb\u8f6c\u7684\u65b9\u5411\u3002\u4ee5\u4e0b\u662f\u6c34\u5e73\u7ffb\u8f6c\u548c\u5782\u76f4\u7ffb\u8f6c\u56fe\u7247\u7684\u793a\u4f8b\u4ee3\u7801\uff1a<\/p>\n<\/p>\n
flipped_image_horizontal = image.transpose(Image.FLIP_LEFT_RIGHT)<\/p>\n
flipped_image_horizontal.show()<\/p>\n
flipped_image_vertical = image.transpose(Image.FLIP_TOP_BOTTOM)<\/p>\n
flipped_image_vertical.show()<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u4e94\u3001\u6dfb\u52a0\u6587\u5b57\u548c\u7ed8\u56fe<\/h3>\n<\/p>\n
1. \u6dfb\u52a0\u6587\u5b57<\/h4>\n<\/p>\n
\u6dfb\u52a0\u6587\u5b57\u53ef\u4ee5\u901a\u8fc7ImageDraw<\/code>\u6a21\u5757\u5b9e\u73b0\u3002\u9996\u5148\u9700\u8981\u521b\u5efa\u4e00\u4e2aImageDraw<\/code>\u5bf9\u8c61\uff0c\u7136\u540e\u4f7f\u7528text<\/code>\u65b9\u6cd5\u5728\u56fe\u7247\u4e0a\u6dfb\u52a0\u6587\u5b57\u3002\u4ee5\u4e0b\u662f\u6dfb\u52a0\u6587\u5b57\u7684\u793a\u4f8b\u4ee3\u7801\uff1a<\/p>\n<\/p>\n
draw = ImageDraw.Draw(image)<\/p>\n
font = ImageFont.truetype("arial.ttf", 36)<\/p>\n
draw.text((50, 50), "Hello, World!", fill="white", font=font)<\/p>\n
image.show()<\/p>\n
<\/code><\/pre>\n<\/p>\n
2. \u7ed8\u5236\u5f62\u72b6<\/h4>\n<\/p>\n
\u7ed8\u5236\u5f62\u72b6\u53ef\u4ee5\u901a\u8fc7ImageDraw<\/code>\u6a21\u5757\u5b9e\u73b0\u3002\u53ef\u4ee5\u4f7f\u7528rectangle<\/code>\u3001ellipse<\/code>\u3001line<\/code>\u7b49\u65b9\u6cd5\u5728\u56fe\u7247\u4e0a\u7ed8\u5236\u4e0d\u540c\u7684\u5f62\u72b6\u3002\u4ee5\u4e0b\u662f\u7ed8\u5236\u77e9\u5f62\u548c\u692d\u5706\u7684\u793a\u4f8b\u4ee3\u7801\uff1a<\/p>\n<\/p>\n
draw.rectangle((100, 100, 300, 300), outline="red", width=3)<\/p>\n
draw.ellipse((400, 100, 600, 300), outline="blue", width=3)<\/p>\n
image.show()<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u516d\u3001\u5e94\u7528\u6ee4\u955c\u548c\u6548\u679c<\/h3>\n<\/p>\n
Pillow\u63d0\u4f9b\u4e86\u591a\u79cd\u6ee4\u955c\u548c\u6548\u679c\uff0c\u53ef\u4ee5\u901a\u8fc7ImageFilter<\/code>\u6a21\u5757\u5e94\u7528\u5230\u56fe\u7247\u4e0a\u3002\u4ee5\u4e0b\u662f\u5e94\u7528\u6a21\u7cca\u548c\u9510\u5316\u6ee4\u955c\u7684\u793a\u4f8b\u4ee3\u7801\uff1a<\/p>\n<\/p>\n
blurred_image = image.filter(ImageFilter.BLUR)<\/p>\n
blurred_image.show()<\/p>\n
sharpened_image = image.filter(ImageFilter.SHARPEN)<\/p>\n
sharpened_image.show()<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u4e03\u3001\u4fdd\u5b58\u7f16\u8f91\u540e\u7684\u56fe\u7247<\/h3>\n<\/p>\n
\u5728\u7f16\u8f91\u5b8c\u56fe\u7247\u4e4b\u540e\uff0c\u53ef\u4ee5\u5c06\u5176\u4fdd\u5b58\u5230\u6587\u4ef6\u4e2d\u3002\u53ef\u4ee5\u901a\u8fc7save<\/code>\u65b9\u6cd5\u5b9e\u73b0\u3002\u4ee5\u4e0b\u662f\u4fdd\u5b58\u56fe\u7247\u7684\u793a\u4f8b\u4ee3\u7801\uff1a<\/p>\n<\/p>\n
image.save("edited_image.jpg")<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u516b\u3001\u7efc\u5408\u793a\u4f8b<\/h3>\n<\/p>\n
\u4ee5\u4e0b\u662f\u4e00\u4e2a\u7efc\u5408\u793a\u4f8b\uff0c\u6f14\u793a\u5982\u4f55\u52a0\u8f7d\u56fe\u7247\u3001\u88c1\u526a\u3001\u8c03\u6574\u5927\u5c0f\u3001\u65cb\u8f6c\u3001\u6dfb\u52a0\u6587\u5b57\u3001\u7ed8\u5236\u5f62\u72b6\u3001\u5e94\u7528\u6ee4\u955c\uff0c\u5e76\u4fdd\u5b58\u7f16\u8f91\u540e\u7684\u56fe\u7247\uff1a<\/p>\n<\/p>\n
from PIL import Image, ImageDraw, ImageFont, ImageFilter<\/p>\n
\u52a0\u8f7d\u56fe\u7247<\/strong><\/h2>\n
image = Image.open("example.jpg")<\/p>\n
\u88c1\u526a\u56fe\u7247<\/strong><\/h2>\n
cropped_image = image.crop((100, 100, 400, 400))<\/p>\n
\u8c03\u6574\u56fe\u7247\u5927\u5c0f<\/strong><\/h2>\n
resized_image = cropped_image.resize((200, 200))<\/p>\n
\u65cb\u8f6c\u56fe\u7247<\/strong><\/h2>\n
rotated_image = resized_image.rotate(45)<\/p>\n
\u6dfb\u52a0\u6587\u5b57<\/strong><\/h2>\n
draw = ImageDraw.Draw(rotated_image)<\/p>\n
font = ImageFont.truetype("arial.ttf", 36)<\/p>\n
draw.text((50, 50), "Hello, World!", fill="white", font=font)<\/p>\n
\u7ed8\u5236\u5f62\u72b6<\/strong><\/h2>\n
draw.rectangle((10, 10, 190, 190), outline="red", width=3)<\/p>\n
draw.ellipse((50, 50, 150, 150), outline="blue", width=3)<\/p>\n
\u5e94\u7528\u6ee4\u955c<\/strong><\/h2>\n
final_image = rotated_image.filter(ImageFilter.BLUR)<\/p>\n
\u4fdd\u5b58\u7f16\u8f91\u540e\u7684\u56fe\u7247<\/strong><\/h2>\n
final_image.save("edited_image.jpg")<\/p>\n
\u663e\u793a\u7f16\u8f91\u540e\u7684\u56fe\u7247<\/strong><\/h2>\n
final_image.show()<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u901a\u8fc7\u4ee5\u4e0a\u6b65\u9aa4\u548c\u793a\u4f8b\u4ee3\u7801\uff0c\u53ef\u4ee5\u5728Python\u4e2d\u4f7f\u7528Pillow\u5e93\u8fdb\u884c\u4e30\u5bcc\u7684\u56fe\u7247\u7f16\u8f91\u64cd\u4f5c\u3002Pillow\u5e93\u63d0\u4f9b\u4e86\u591a\u79cd\u529f\u80fd\uff0c\u4f7f\u5f97\u56fe\u7247\u7f16\u8f91\u53d8\u5f97\u7b80\u5355\u4e14\u9ad8\u6548\u3002\u5e0c\u671b\u8fd9\u4e9b\u5185\u5bb9\u80fd\u591f\u5e2e\u52a9\u60a8\u66f4\u597d\u5730\u7406\u89e3\u548c\u4f7f\u7528Pillow\u8fdb\u884c\u56fe\u7247\u7f16\u8f91\u3002<\/p>\n<\/p>\n
\u76f8\u5173\u95ee\u7b54FAQs\uff1a<\/strong><\/h2>\n
 \u5982\u4f55\u4f7f\u7528Python\u521b\u5efa\u53ef\u7f16\u8f91\u7684\u56fe\u7247\uff1f<\/strong>
\u5728Python\u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528\u591a\u4e2a\u5e93\u6765\u521b\u5efa\u53ef\u7f16\u8f91\u7684\u56fe\u7247\uff0c\u6bd4\u5982Pillow\u548cOpenCV\u3002Pillow\u662f\u4e00\u4e2a\u5f3a\u5927\u7684\u56fe\u50cf\u5904\u7406\u5e93\uff0c\u5141\u8bb8\u4f60\u5bf9\u56fe\u50cf\u8fdb\u884c\u5404\u79cd\u64cd\u4f5c\uff0c\u5305\u62ec\u7f16\u8f91\u3001\u4fdd\u5b58\u548c\u8f6c\u6362\u683c\u5f0f\u3002\u4f60\u53ef\u4ee5\u901a\u8fc7\u5b89\u88c5Pillow\u5e93\u6765\u5f00\u59cb\uff0c\u4f8b\u5982\u4f7f\u7528pip install Pillow<\/code>\u547d\u4ee4\u3002\u4e4b\u540e\uff0c\u53ef\u4ee5\u4f7f\u7528Image<\/code>\u7c7b\u6253\u5f00\u56fe\u50cf\uff0c\u8fdb\u884c\u7f16\u8f91\u540e\u518d\u4fdd\u5b58\u3002<\/p>\n
Python\u4e2d\u6709\u54ea\u4e9b\u5e93\u53ef\u4ee5\u7528\u4e8e\u7f16\u8f91\u56fe\u7247\uff1f<\/strong>
Python\u4e2d\u6709\u591a\u4e2a\u5e93\u53ef\u4ee5\u7528\u4e8e\u7f16\u8f91\u56fe\u7247\uff0c\u5176\u4e2d\u6700\u5e38\u7528\u7684\u5305\u62ecPillow\u3001OpenCV\u548cMatplotlib\u3002Pillow\u9002\u7528\u4e8e\u57fa\u672c\u7684\u56fe\u50cf\u5904\u7406\u4efb\u52a1\uff0c\u5982\u88c1\u526a\u3001\u8c03\u6574\u5927\u5c0f\u548c\u6dfb\u52a0\u6587\u672c\u3002OpenCV\u5219\u9002\u5408\u66f4\u590d\u6742\u7684\u8ba1\u7b97\u673a\u89c6\u89c9\u4efb\u52a1\uff0c\u652f\u6301\u56fe\u50cf\u7684\u6df1\u5ea6\u5904\u7406\u548c\u53d8\u6362\u3002Matplotlib\u5e38\u7528\u4e8e\u56fe\u50cf\u7684\u53ef\u89c6\u5316\u548c\u7ed8\u56fe\u3002<\/p>\n
\u5982\u4f55\u5728Python\u4e2d\u6dfb\u52a0\u6587\u672c\u5230\u56fe\u7247\u4e0a\uff1f<\/strong>
\u5728Python\u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528Pillow\u5e93\u8f7b\u677e\u5730\u5411\u56fe\u7247\u6dfb\u52a0\u6587\u672c\u3002\u53ef\u4ee5\u4f7f\u7528ImageDraw<\/code>\u6a21\u5757\u4e2d\u7684text<\/code>\u65b9\u6cd5\u6765\u5b9e\u73b0\u3002\u901a\u8fc7\u6307\u5b9a\u6587\u672c\u7684\u4f4d\u7f6e\u3001\u5b57\u4f53\u548c\u989c\u8272\uff0c\u5c31\u53ef\u4ee5\u5c06\u6587\u672c\u7ed8\u5236\u5230\u56fe\u50cf\u4e0a\u3002\u8bb0\u5f97\u5728\u6dfb\u52a0\u6587\u672c\u4e4b\u524d\uff0c\u9700\u8981\u5148\u521b\u5efa\u4e00\u4e2aImageDraw<\/code>\u5bf9\u8c61\uff0c\u5e76\u786e\u4fdd\u5df2\u52a0\u8f7d\u6240\u9700\u7684\u5b57\u4f53\u3002<\/p>\n
\u5982\u4f55\u5c06\u7f16\u8f91\u540e\u7684\u56fe\u7247\u4fdd\u5b58\u4e3a\u4e0d\u540c\u7684\u683c\u5f0f\uff1f<\/strong>
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