{"id":957519,"date":"2024-12-27T03:03:04","date_gmt":"2024-12-26T19:03:04","guid":{"rendered":"https:\/\/docs.pingcode.com\/ask\/ask-ask\/957519.html"},"modified":"2024-12-27T03:03:07","modified_gmt":"2024-12-26T19:03:07","slug":"%e5%a6%82%e4%bd%95%e5%88%b6%e4%bd%9c%e7%85%a7%e7%89%87%e4%bb%a3%e7%a0%81python","status":"publish","type":"post","link":"https:\/\/docs.pingcode.com\/ask\/957519.html","title":{"rendered":"\u5982\u4f55\u5236\u4f5c\u7167\u7247\u4ee3\u7801python"},"content":{"rendered":"<p style=\"text-align:center;\" ><img decoding=\"async\" src=\"https:\/\/cdn-kb.worktile.com\/kb\/wp-content\/uploads\/2024\/04\/25100738\/fe08c77f-7ad4-4c55-b9e0-27688db17fc0.webp\" alt=\"\u5982\u4f55\u5236\u4f5c\u7167\u7247\u4ee3\u7801python\" \/><\/p>\n<p><p> \u4e00\u3001\u7167\u7247\u4ee3\u7801\u7684\u57fa\u7840\u539f\u7406<\/p>\n<\/p>\n<p><p><strong>\u5236\u4f5c\u7167\u7247\u4ee3\u7801\u4e3b\u8981\u4f9d\u8d56\u4e8e\u56fe\u50cf\u5904\u7406\u548c\u7f16\u89e3\u7801\u6280\u672f\u3001Python\u5e93\u5982PIL\uff08Pillow\uff09\u3001OpenCV\u3001\u4e8c\u7ef4\u7801\u751f\u6210\u5e93qrcode\u7b49\u3002<\/strong>\u5728\u5b9e\u73b0\u8fc7\u7a0b\u4e2d\uff0c\u9996\u5148\u9700\u8981\u7406\u89e3\u56fe\u50cf\u7684\u57fa\u672c\u8868\u793a\u5f62\u5f0f\uff0c\u6bd4\u5982\u50cf\u7d20\u3001\u8272\u5f69\u7a7a\u95f4\u7b49\u3002\u7136\u540e\uff0c\u901a\u8fc7Python\u5e93\u8bfb\u53d6\u3001\u5904\u7406\u56fe\u50cf\u6570\u636e\uff0c\u6700\u540e\u5c06\u5176\u8f6c\u5316\u4e3a\u6240\u9700\u7684\u7f16\u7801\u683c\u5f0f\u3002\u4e0b\u9762\u8be6\u7ec6\u4ecb\u7ecd\u5176\u4e2d\u7684\u4e00\u4e2a\u91cd\u8981\u6b65\u9aa4\uff1a\u4f7f\u7528Pillow\u8bfb\u53d6\u548c\u5904\u7406\u56fe\u50cf\u6570\u636e\u3002<\/p>\n<\/p>\n<p><p>Pillow\u662fPython\u7684\u4e00\u4e2a\u5f3a\u5927\u56fe\u50cf\u5904\u7406\u5e93\u3002\u901a\u8fc7Pillow\uff0c\u6211\u4eec\u53ef\u4ee5\u8f7b\u677e\u5730\u8bfb\u53d6\u3001\u663e\u793a\u3001\u4fee\u6539\u56fe\u50cf\u3002\u9996\u5148\uff0c\u4f7f\u7528<code>Image.open()<\/code>\u51fd\u6570\u8bfb\u53d6\u56fe\u50cf\u6587\u4ef6\uff0c\u8fd9\u5c06\u8fd4\u56de\u4e00\u4e2aImage\u5bf9\u8c61\u3002\u7136\u540e\uff0c\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528\u8bf8\u5982<code>convert()<\/code>\u65b9\u6cd5\u5c06\u56fe\u50cf\u8f6c\u6362\u4e3a\u4e0d\u540c\u7684\u8272\u5f69\u6a21\u5f0f\uff08\u5982\u7070\u5ea6\u6a21\u5f0f\u201cL\u201d\uff09\uff0c\u6216\u8005\u4f7f\u7528<code>resize()<\/code>\u65b9\u6cd5\u8c03\u6574\u56fe\u50cf\u5927\u5c0f\u4ee5\u6ee1\u8db3\u7279\u5b9a\u9700\u6c42\u3002\u8fd9\u4e9b\u64cd\u4f5c\u662f\u56fe\u50cf\u5904\u7406\u7684\u57fa\u7840\uff0c\u4e3a\u8fdb\u4e00\u6b65\u7684\u7f16\u7801\u5904\u7406\u6253\u4e0b\u57fa\u7840\u3002<\/p>\n<\/p>\n<p><p>\u4e8c\u3001\u4f7f\u7528Pillow\u5e93\u8bfb\u53d6\u548c\u5904\u7406\u56fe\u50cf<\/p>\n<\/p>\n<p><p>Pillow\u5e93\uff08\u4e5f\u79f0\u4e3aPIL\uff09\u662fPython\u4e2d\u7528\u4e8e\u56fe\u50cf\u5904\u7406\u7684\u6838\u5fc3\u5e93\u4e4b\u4e00\u3002\u5b83\u4e3a\u56fe\u50cf\u6253\u5f00\u3001\u64cd\u4f5c\u548c\u4fdd\u5b58\u63d0\u4f9b\u4e86\u5f3a\u5927\u7684\u529f\u80fd\u3002\u4ee5\u4e0b\u662f\u5982\u4f55\u4f7f\u7528Pillow\u5e93\u6765\u8bfb\u53d6\u548c\u5904\u7406\u56fe\u50cf\u7684\u8be6\u7ec6\u6b65\u9aa4\u3002<\/p>\n<\/p>\n<ol>\n<li><strong>\u5b89\u88c5Pillow\u5e93<\/strong><\/li>\n<\/ol>\n<p><p>\u5728\u5f00\u59cb\u4f7f\u7528Pillow\u4e4b\u524d\uff0c\u4f60\u9700\u8981\u786e\u4fdd\u5b83\u5df2\u7ecf\u5b89\u88c5\u5728\u4f60\u7684Python\u73af\u5883\u4e2d\u3002\u53ef\u4ee5\u4f7f\u7528pip\u547d\u4ee4\u6765\u5b89\u88c5\uff1a<\/p>\n<\/p>\n<p><pre><code class=\"language-bash\">pip install Pillow<\/p>\n<p><\/code><\/pre>\n<\/p>\n<ol start=\"2\">\n<li><strong>\u8bfb\u53d6\u56fe\u50cf<\/strong><\/li>\n<\/ol>\n<p><p>\u8bfb\u53d6\u56fe\u50cf\u662f\u5904\u7406\u7684\u7b2c\u4e00\u6b65\u3002\u4f7f\u7528Pillow\u5e93\u7684<code>Image.open()<\/code>\u51fd\u6570\u53ef\u4ee5\u6253\u5f00\u5404\u79cd\u683c\u5f0f\u7684\u56fe\u50cf\u6587\u4ef6\uff0c\u5982JPEG\u3001PNG\u7b49\u3002<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">from PIL import Image<\/p>\n<h2><strong>\u6253\u5f00\u56fe\u50cf\u6587\u4ef6<\/strong><\/h2>\n<p>image = Image.open(&#39;example.jpg&#39;)<\/p>\n<h2><strong>\u663e\u793a\u56fe\u50cf<\/strong><\/h2>\n<p>image.show()<\/p>\n<p><\/code><\/pre>\n<\/p>\n<ol start=\"3\">\n<li><strong>\u8f6c\u6362\u56fe\u50cf\u6a21\u5f0f<\/strong><\/li>\n<\/ol>\n<p><p>\u56fe\u50cf\u53ef\u4ee5\u6709\u4e0d\u540c\u7684\u8272\u5f69\u6a21\u5f0f\uff0c\u4f8b\u5982RGB\u3001RGBA\u3001\u7070\u5ea6\u7b49\u3002\u6709\u65f6\u9700\u8981\u5c06\u56fe\u50cf\u8f6c\u6362\u4e3a\u7279\u5b9a\u7684\u6a21\u5f0f\u4ee5\u4fbf\u4e8e\u5904\u7406\u3002\u4f8b\u5982\uff0c\u5c06\u5f69\u8272\u56fe\u50cf\u8f6c\u6362\u4e3a\u7070\u5ea6\uff1a<\/p>\n<\/p>\n<p><pre><code class=\"language-python\"># \u5c06\u56fe\u50cf\u8f6c\u6362\u4e3a\u7070\u5ea6\u6a21\u5f0f<\/p>\n<p>gray_image = image.convert(&#39;L&#39;)<\/p>\n<p>gray_image.show()<\/p>\n<p><\/code><\/pre>\n<\/p>\n<ol start=\"4\">\n<li><strong>\u8c03\u6574\u56fe\u50cf\u5927\u5c0f<\/strong><\/li>\n<\/ol>\n<p><p>\u6709\u65f6\u9700\u8981\u8c03\u6574\u56fe\u50cf\u7684\u5927\u5c0f\u4ee5\u9002\u5e94\u7279\u5b9a\u7684\u9700\u6c42\u3002\u53ef\u4ee5\u4f7f\u7528<code>resize()<\/code>\u65b9\u6cd5\u6765\u5b9e\u73b0\uff1a<\/p>\n<\/p>\n<p><pre><code class=\"language-python\"># \u8c03\u6574\u56fe\u50cf\u5927\u5c0f<\/p>\n<p>resized_image = image.resize((100, 100))<\/p>\n<p>resized_image.show()<\/p>\n<p><\/code><\/pre>\n<\/p>\n<ol start=\"5\">\n<li><strong>\u88c1\u526a\u56fe\u50cf<\/strong><\/li>\n<\/ol>\n<p><p>\u4f60\u53ef\u4ee5\u901a\u8fc7<code>crop()<\/code>\u65b9\u6cd5\u88c1\u526a\u56fe\u50cf\u7684\u7279\u5b9a\u90e8\u5206\uff1a<\/p>\n<\/p>\n<p><pre><code class=\"language-python\"># \u5b9a\u4e49\u88c1\u526a\u533a\u57df (\u5de6, \u4e0a, \u53f3, \u4e0b)<\/p>\n<p>crop_area = (50, 50, 150, 150)<\/p>\n<p>cropped_image = image.crop(crop_area)<\/p>\n<p>cropped_image.show()<\/p>\n<p><\/code><\/pre>\n<\/p>\n<ol start=\"6\">\n<li><strong>\u4fdd\u5b58\u56fe\u50cf<\/strong><\/li>\n<\/ol>\n<p><p>\u5904\u7406\u5b8c\u56fe\u50cf\u540e\uff0c\u4f60\u53ef\u4ee5\u4f7f\u7528<code>save()<\/code>\u65b9\u6cd5\u5c06\u5176\u4fdd\u5b58\u4e3a\u65b0\u7684\u6587\u4ef6\uff1a<\/p>\n<\/p>\n<p><pre><code class=\"language-python\"># \u4fdd\u5b58\u56fe\u50cf<\/p>\n<p>gray_image.save(&#39;gray_example.jpg&#39;)<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u4e09\u3001\u4f7f\u7528OpenCV\u8fdb\u884c\u9ad8\u7ea7\u56fe\u50cf\u5904\u7406<\/p>\n<\/p>\n<p><p>OpenCV\uff08Open Source Computer Vision Library\uff09\u662f\u4e00\u4e2a\u5f00\u6e90\u8ba1\u7b97\u673a\u89c6\u89c9\u548c<a href=\"https:\/\/docs.pingcode.com\/ask\/59192.html\" target=\"_blank\">\u673a\u5668\u5b66\u4e60<\/a>\u8f6f\u4ef6\u5e93\u3002\u5b83\u63d0\u4f9b\u4e86\u6570\u4ee5\u5343\u8ba1\u7684\u7b97\u6cd5\uff0c\u6db5\u76d6\u4e86\u7ecf\u5178\u548c\u73b0\u4ee3\u8ba1\u7b97\u673a\u89c6\u89c9\u95ee\u9898\u3002\u4ee5\u4e0b\u662f\u5982\u4f55\u4f7f\u7528OpenCV\u8fdb\u884c\u9ad8\u7ea7\u56fe\u50cf\u5904\u7406\u7684\u6b65\u9aa4\u3002<\/p>\n<\/p>\n<ol>\n<li><strong>\u5b89\u88c5OpenCV\u5e93<\/strong><\/li>\n<\/ol>\n<p><p>\u9996\u5148\uff0c\u4f60\u9700\u8981\u5b89\u88c5OpenCV\u5e93\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0bpip\u547d\u4ee4\uff1a<\/p>\n<\/p>\n<p><pre><code class=\"language-bash\">pip install opencv-python<\/p>\n<p><\/code><\/pre>\n<\/p>\n<ol start=\"2\">\n<li><strong>\u8bfb\u53d6\u548c\u663e\u793a\u56fe\u50cf<\/strong><\/li>\n<\/ol>\n<p><p>\u4f7f\u7528OpenCV\u8bfb\u53d6\u56fe\u50cf\u6587\u4ef6\u5e76\u663e\u793a\uff1a<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">import cv2<\/p>\n<h2><strong>\u8bfb\u53d6\u56fe\u50cf<\/strong><\/h2>\n<p>image = cv2.imread(&#39;example.jpg&#39;)<\/p>\n<h2><strong>\u663e\u793a\u56fe\u50cf<\/strong><\/h2>\n<p>cv2.imshow(&#39;Image&#39;, image)<\/p>\n<p>cv2.w<a href=\"https:\/\/docs.pingcode.com\/blog\/59162.html\" target=\"_blank\">AI<\/a>tKey(0)<\/p>\n<p>cv2.destroyAllWindows()<\/p>\n<p><\/code><\/pre>\n<\/p>\n<ol start=\"3\">\n<li><strong>\u8f6c\u6362\u8272\u5f69\u7a7a\u95f4<\/strong><\/li>\n<\/ol>\n<p><p>OpenCV\u652f\u6301\u591a\u79cd\u8272\u5f69\u7a7a\u95f4\u8f6c\u6362\uff0c\u4f8b\u5982\u4eceBGR\u5230\u7070\u5ea6\uff1a<\/p>\n<\/p>\n<p><pre><code class=\"language-python\"># \u8f6c\u6362\u4e3a\u7070\u5ea6\u56fe\u50cf<\/p>\n<p>gray_image = cv2.cvtColor(image, cv2.COLOR_BGR2GRAY)<\/p>\n<p>cv2.imshow(&#39;Gray Image&#39;, gray_image)<\/p>\n<p>cv2.waitKey(0)<\/p>\n<p>cv2.destroyAllWindows()<\/p>\n<p><\/code><\/pre>\n<\/p>\n<ol start=\"4\">\n<li><strong>\u56fe\u50cf\u5e73\u6ed1\u548c\u8fb9\u7f18\u68c0\u6d4b<\/strong><\/li>\n<\/ol>\n<p><p>\u53ef\u4ee5\u5e94\u7528\u9ad8\u65af\u6a21\u7cca\u548cCanny\u8fb9\u7f18\u68c0\u6d4b\uff1a<\/p>\n<\/p>\n<p><pre><code class=\"language-python\"># \u9ad8\u65af\u6a21\u7cca<\/p>\n<p>blurred_image = cv2.GaussianBlur(image, (5, 5), 0)<\/p>\n<h2><strong>Canny\u8fb9\u7f18\u68c0\u6d4b<\/strong><\/h2>\n<p>edges = cv2.Canny(blurred_image, 100, 200)<\/p>\n<p>cv2.imshow(&#39;Edges&#39;, edges)<\/p>\n<p>cv2.waitKey(0)<\/p>\n<p>cv2.destroyAllWindows()<\/p>\n<p><\/code><\/pre>\n<\/p>\n<ol start=\"5\">\n<li><strong>\u56fe\u50cf\u7684\u51e0\u4f55\u53d8\u6362<\/strong><\/li>\n<\/ol>\n<p><p>OpenCV\u63d0\u4f9b\u4e86\u591a\u79cd\u51e0\u4f55\u53d8\u6362\u529f\u80fd\uff0c\u5982\u65cb\u8f6c\u3001\u5e73\u79fb\u548c\u7f29\u653e\uff1a<\/p>\n<\/p>\n<p><pre><code class=\"language-python\"># \u83b7\u53d6\u56fe\u50cf\u4e2d\u5fc3<\/p>\n<p>(h, w) = image.shape[:2]<\/p>\n<p>center = (w \/\/ 2, h \/\/ 2)<\/p>\n<h2><strong>\u65cb\u8f6c90\u5ea6<\/strong><\/h2>\n<p>M = cv2.getRotationMatrix2D(center, 90, 1.0)<\/p>\n<p>rotated = cv2.warpAffine(image, M, (w, h))<\/p>\n<p>cv2.imshow(&#39;Rotated Image&#39;, rotated)<\/p>\n<p>cv2.waitKey(0)<\/p>\n<p>cv2.destroyAllWindows()<\/p>\n<p><\/code><\/pre>\n<\/p>\n<ol start=\"6\">\n<li><strong>\u4fdd\u5b58\u5904\u7406\u540e\u7684\u56fe\u50cf<\/strong><\/li>\n<\/ol>\n<p><p>\u5904\u7406\u5b8c\u7684\u56fe\u50cf\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u65b9\u6cd5\u4fdd\u5b58\uff1a<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">cv2.imwrite(&#39;processed_image.jpg&#39;, edges)<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u56db\u3001\u751f\u6210\u4e8c\u7ef4\u7801\u56fe\u50cf<\/p>\n<\/p>\n<p><p>\u4e8c\u7ef4\u7801\u662f\u4e00\u79cd\u5e7f\u6cdb\u4f7f\u7528\u7684\u4e8c\u7ef4\u6761\u7801\uff0c\u5b83\u53ef\u4ee5\u5b58\u50a8\u7f51\u5740\u3001\u6587\u672c\u7b49\u4fe1\u606f\u3002\u5728Python\u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528qrcode\u5e93\u6765\u751f\u6210\u4e8c\u7ef4\u7801\u56fe\u50cf\u3002\u4ee5\u4e0b\u662f\u5982\u4f55\u751f\u6210\u4e8c\u7ef4\u7801\u56fe\u50cf\u7684\u6b65\u9aa4\u3002<\/p>\n<\/p>\n<ol>\n<li><strong>\u5b89\u88c5qrcode\u5e93<\/strong><\/li>\n<\/ol>\n<p><p>\u9996\u5148\uff0c\u786e\u4fdd\u5b89\u88c5\u4e86qrcode\u5e93\uff1a<\/p>\n<\/p>\n<p><pre><code class=\"language-bash\">pip install qrcode[pil]<\/p>\n<p><\/code><\/pre>\n<\/p>\n<ol start=\"2\">\n<li><strong>\u751f\u6210\u7b80\u5355\u4e8c\u7ef4\u7801<\/strong><\/li>\n<\/ol>\n<p><p>\u4f7f\u7528qrcode\u5e93\u751f\u6210\u7b80\u5355\u7684\u4e8c\u7ef4\u7801\uff1a<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">import qrcode<\/p>\n<h2><strong>\u521b\u5efa\u4e8c\u7ef4\u7801\u5bf9\u8c61<\/strong><\/h2>\n<p>qr = qrcode.QRCode(<\/p>\n<p>    version=1,<\/p>\n<p>    error_correction=qrcode.constants.ERROR_CORRECT_L,<\/p>\n<p>    box_size=10,<\/p>\n<p>    border=4,<\/p>\n<p>)<\/p>\n<h2><strong>\u6dfb\u52a0\u6570\u636e<\/strong><\/h2>\n<p>qr.add_data(&#39;https:\/\/www.example.com&#39;)<\/p>\n<p>qr.make(fit=True)<\/p>\n<h2><strong>\u521b\u5efa\u56fe\u50cf<\/strong><\/h2>\n<p>img = qr.make_image(fill=&#39;black&#39;, back_color=&#39;white&#39;)<\/p>\n<h2><strong>\u663e\u793a\u548c\u4fdd\u5b58\u56fe\u50cf<\/strong><\/h2>\n<p>img.show()<\/p>\n<p>img.save(&#39;example_qr.png&#39;)<\/p>\n<p><\/code><\/pre>\n<\/p>\n<ol start=\"3\">\n<li><strong>\u81ea\u5b9a\u4e49\u4e8c\u7ef4\u7801<\/strong><\/li>\n<\/ol>\n<p><p>\u53ef\u4ee5\u901a\u8fc7\u8bbe\u7f6e\u53c2\u6570\u6765\u81ea\u5b9a\u4e49\u4e8c\u7ef4\u7801\u7684\u5916\u89c2\uff0c\u4f8b\u5982\u989c\u8272\u548c\u5927\u5c0f\uff1a<\/p>\n<\/p>\n<p><pre><code class=\"language-python\"># \u521b\u5efa\u81ea\u5b9a\u4e49\u4e8c\u7ef4\u7801<\/p>\n<p>img = qr.make_image(fill_color=&quot;blue&quot;, back_color=&quot;yellow&quot;)<\/p>\n<h2><strong>\u4fdd\u5b58\u81ea\u5b9a\u4e49\u4e8c\u7ef4\u7801<\/strong><\/h2>\n<p>img.save(&#39;custom_qr.png&#39;)<\/p>\n<p><\/code><\/pre>\n<\/p>\n<ol start=\"4\">\n<li><strong>\u6dfb\u52a0Logo\u5230\u4e8c\u7ef4\u7801<\/strong><\/li>\n<\/ol>\n<p><p>\u53ef\u4ee5\u5c06logo\u5d4c\u5165\u5230\u4e8c\u7ef4\u7801\u4e2d\u4ee5\u589e\u5f3a\u54c1\u724c\u8bc6\u522b\u5ea6\uff1a<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">from PIL import Image<\/p>\n<h2><strong>\u6253\u5f00\u57fa\u7840\u4e8c\u7ef4\u7801\u548clogo\u56fe\u50cf<\/strong><\/h2>\n<p>base = Image.open(&#39;example_qr.png&#39;)<\/p>\n<p>logo = Image.open(&#39;logo.png&#39;)<\/p>\n<h2><strong>\u8c03\u6574logo\u5927\u5c0f<\/strong><\/h2>\n<p>logo_size = 50<\/p>\n<p>logo = logo.resize((logo_size, logo_size))<\/p>\n<h2><strong>\u8ba1\u7b97logo\u4f4d\u7f6e<\/strong><\/h2>\n<p>base_width, base_height = base.size<\/p>\n<p>position = ((base_width - logo_size) \/\/ 2, (base_height - logo_size) \/\/ 2)<\/p>\n<h2><strong>\u5c06logo\u7c98\u8d34\u5230\u4e8c\u7ef4\u7801<\/strong><\/h2>\n<p>base.paste(logo, position, mask=logo)<\/p>\n<h2><strong>\u663e\u793a\u5e26\u6709logo\u7684\u4e8c\u7ef4\u7801<\/strong><\/h2>\n<p>base.show()<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u4e94\u3001\u5c06\u7167\u7247\u7f16\u7801\u4e3aBase64\u683c\u5f0f<\/p>\n<\/p>\n<p><p>Base64\u662f\u4e00\u79cd\u5e38\u7528\u7684\u4e8c\u8fdb\u5236\u7f16\u7801\u65b9\u6cd5\uff0c\u7528\u4e8e\u5728\u6587\u672c\u4e2d\u4f20\u8f93\u56fe\u50cf\u6570\u636e\u3002\u4ee5\u4e0b\u662f\u5982\u4f55\u5c06\u7167\u7247\u7f16\u7801\u4e3aBase64\u683c\u5f0f\u7684\u6b65\u9aa4\u3002<\/p>\n<\/p>\n<ol>\n<li><strong>\u5b89\u88c5\u6240\u9700\u5e93<\/strong><\/li>\n<\/ol>\n<p><p>\u5728Python\u4e2d\uff0c\u9700\u8981\u4f7f\u7528base64\u5e93\u6765\u8fdb\u884c\u7f16\u7801\uff1a<\/p>\n<\/p>\n<p><pre><code class=\"language-bash\">import base64<\/p>\n<p><\/code><\/pre>\n<\/p>\n<ol start=\"2\">\n<li><strong>\u8bfb\u53d6\u56fe\u50cf\u6587\u4ef6<\/strong><\/li>\n<\/ol>\n<p><p>\u9996\u5148\uff0c\u9700\u8981\u8bfb\u53d6\u8981\u7f16\u7801\u7684\u56fe\u50cf\u6587\u4ef6\uff1a<\/p>\n<\/p>\n<p><pre><code class=\"language-python\"># \u8bfb\u53d6\u56fe\u50cf\u6587\u4ef6<\/p>\n<p>with open(&#39;example.jpg&#39;, &#39;rb&#39;) as image_file:<\/p>\n<p>    image_data = image_file.read()<\/p>\n<p><\/code><\/pre>\n<\/p>\n<ol start=\"3\">\n<li><strong>\u7f16\u7801\u4e3aBase64<\/strong><\/li>\n<\/ol>\n<p><p>\u4f7f\u7528base64\u5e93\u8fdb\u884c\u7f16\u7801\uff1a<\/p>\n<\/p>\n<p><pre><code class=\"language-python\"># \u7f16\u7801\u4e3aBase64<\/p>\n<p>encoded_string = base64.b64encode(image_data).decode(&#39;utf-8&#39;)<\/p>\n<h2><strong>\u6253\u5370Base64\u7f16\u7801\u5b57\u7b26\u4e32<\/strong><\/h2>\n<p>print(encoded_string)<\/p>\n<p><\/code><\/pre>\n<\/p>\n<ol start=\"4\">\n<li><strong>\u5c06Base64\u89e3\u7801\u56de\u56fe\u50cf<\/strong><\/li>\n<\/ol>\n<p><p>\u53ef\u4ee5\u5c06Base64\u5b57\u7b26\u4e32\u89e3\u7801\u56de\u56fe\u50cf\u6587\u4ef6\uff1a<\/p>\n<\/p>\n<p><pre><code class=\"language-python\"># \u89e3\u7801Base64\u5b57\u7b26\u4e32<\/p>\n<p>decoded_data = base64.b64decode(encoded_string)<\/p>\n<h2><strong>\u4fdd\u5b58\u89e3\u7801\u540e\u7684\u56fe\u50cf<\/strong><\/h2>\n<p>with open(&#39;decoded_example.jpg&#39;, &#39;wb&#39;) as output_file:<\/p>\n<p>    output_file.write(decoded_data)<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u516d\u3001\u5c06\u56fe\u50cf\u5d4c\u5165Python\u4ee3\u7801\u4e2d<\/p>\n<\/p>\n<p><p>\u5728\u67d0\u4e9b\u60c5\u51b5\u4e0b\uff0c\u53ef\u80fd\u9700\u8981\u5c06\u56fe\u50cf\u6570\u636e\u76f4\u63a5\u5d4c\u5165\u5230Python\u4ee3\u7801\u4e2d\u3002\u8fd9\u53ef\u4ee5\u901a\u8fc7\u5c06\u56fe\u50cf\u8f6c\u6362\u4e3aBase64\u5b57\u7b26\u4e32\u5e76\u5728\u4ee3\u7801\u4e2d\u4f7f\u7528\u6765\u5b9e\u73b0\u3002<\/p>\n<\/p>\n<ol>\n<li><strong>\u83b7\u53d6Base64\u7f16\u7801\u5b57\u7b26\u4e32<\/strong><\/li>\n<\/ol>\n<p><p>\u9996\u5148\uff0c\u4f7f\u7528\u524d\u9762\u7684\u65b9\u6cd5\u83b7\u53d6\u56fe\u50cf\u7684Base64\u7f16\u7801\u5b57\u7b26\u4e32\u3002<\/p>\n<\/p>\n<ol start=\"2\">\n<li><strong>\u5728Python\u4ee3\u7801\u4e2d\u5d4c\u5165\u56fe\u50cf<\/strong><\/li>\n<\/ol>\n<p><p>\u5c06Base64\u5b57\u7b26\u4e32\u5d4c\u5165\u5230Python\u4ee3\u7801\u4e2d\uff0c\u5e76\u5728\u9700\u8981\u65f6\u89e3\u7801\uff1a<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">import base64<\/p>\n<h2><strong>Base64\u7f16\u7801\u5b57\u7b26\u4e32<\/strong><\/h2>\n<p>encoded_string = &#39;...&#39;<\/p>\n<h2><strong>\u89e3\u7801Base64\u5b57\u7b26\u4e32\u4e3a\u4e8c\u8fdb\u5236\u6570\u636e<\/strong><\/h2>\n<p>image_data = base64.b64decode(encoded_string)<\/p>\n<h2><strong>\u5c06\u56fe\u50cf\u6570\u636e\u5199\u5165\u6587\u4ef6<\/strong><\/h2>\n<p>with open(&#39;embedded_image.jpg&#39;, &#39;wb&#39;) as output_file:<\/p>\n<p>    output_file.write(image_data)<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u8fd9\u79cd\u65b9\u6cd5\u53ef\u4ee5\u7528\u4e8e\u5c06\u56fe\u50cf\u4e0e\u4ee3\u7801\u4e00\u8d77\u5206\u53d1\uff0c\u800c\u4e0d\u9700\u8981\u989d\u5916\u7684\u56fe\u50cf\u6587\u4ef6\u3002\u4e0d\u8fc7\uff0c\u6ce8\u610fBase64\u7f16\u7801\u4f1a\u589e\u52a0\u6587\u4ef6\u5927\u5c0f\uff0c\u56e0\u6b64\u4ec5\u9002\u7528\u4e8e\u8f83\u5c0f\u7684\u56fe\u50cf\u3002<\/p>\n<\/p>\n<p><p>\u4e03\u3001\u5c06\u56fe\u50cf\u8f6c\u6362\u4e3aASCII\u827a\u672f<\/p>\n<\/p>\n<p><p>\u5c06\u56fe\u50cf\u8f6c\u6362\u4e3aASCII\u827a\u672f\u662f\u4e00\u79cd\u6709\u8da3\u7684\u56fe\u50cf\u5904\u7406\u65b9\u5f0f\uff0c\u53ef\u4ee5\u4f7f\u7528Python\u5b9e\u73b0\u3002\u4ee5\u4e0b\u662f\u5982\u4f55\u5c06\u56fe\u50cf\u8f6c\u6362\u4e3aASCII\u827a\u672f\u7684\u6b65\u9aa4\u3002<\/p>\n<\/p>\n<ol>\n<li><strong>\u5b89\u88c5\u6240\u9700\u5e93<\/strong><\/li>\n<\/ol>\n<p><p>\u9700\u8981\u5b89\u88c5Pillow\u5e93\u6765\u5904\u7406\u56fe\u50cf\uff1a<\/p>\n<\/p>\n<p><pre><code class=\"language-bash\">pip install Pillow<\/p>\n<p><\/code><\/pre>\n<\/p>\n<ol start=\"2\">\n<li><strong>\u5b9a\u4e49\u5b57\u7b26\u96c6<\/strong><\/li>\n<\/ol>\n<p><p>\u9009\u62e9\u7528\u4e8e\u8868\u793a\u50cf\u7d20\u5f3a\u5ea6\u7684\u5b57\u7b26\u96c6\u3002\u901a\u5e38\uff0c\u4f7f\u7528\u4ece\u4eae\u5230\u6697\u7684\u5b57\u7b26\u3002<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">ASCII_CHARS = [&#39;@&#39;, &#39;#&#39;, &#39;S&#39;, &#39;%&#39;, &#39;?&#39;, &#39;*&#39;, &#39;+&#39;, &#39;;&#39;, &#39;:&#39;, &#39;,&#39;, &#39;.&#39;]<\/p>\n<p><\/code><\/pre>\n<\/p>\n<ol start=\"3\">\n<li><strong>\u8bfb\u53d6\u548c\u8c03\u6574\u56fe\u50cf<\/strong><\/li>\n<\/ol>\n<p><p>\u4f7f\u7528Pillow\u5e93\u8bfb\u53d6\u56fe\u50cf\u5e76\u8c03\u6574\u5927\u5c0f\u3002<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">from PIL import Image<\/p>\n<h2><strong>\u6253\u5f00\u56fe\u50cf<\/strong><\/h2>\n<p>image = Image.open(&#39;example.jpg&#39;)<\/p>\n<h2><strong>\u8c03\u6574\u56fe\u50cf\u5927\u5c0f<\/strong><\/h2>\n<p>width, height = image.size<\/p>\n<p>aspect_ratio = height \/ width<\/p>\n<p>new_width = 100<\/p>\n<p>new_height = int(aspect_ratio * new_width * 0.55)<\/p>\n<p>resized_image = image.resize((new_width, new_height))<\/p>\n<p><\/code><\/pre>\n<\/p>\n<ol start=\"4\">\n<li><strong>\u8f6c\u6362\u4e3a\u7070\u5ea6<\/strong><\/li>\n<\/ol>\n<p><p>\u5c06\u56fe\u50cf\u8f6c\u6362\u4e3a\u7070\u5ea6\uff0c\u4ee5\u4fbf\u6839\u636e\u50cf\u7d20\u5f3a\u5ea6\u9009\u62e9\u5b57\u7b26\u3002<\/p>\n<\/p>\n<p><pre><code class=\"language-python\"># \u8f6c\u6362\u4e3a\u7070\u5ea6<\/p>\n<p>gray_image = resized_image.convert(&#39;L&#39;)<\/p>\n<p><\/code><\/pre>\n<\/p>\n<ol start=\"5\">\n<li><strong>\u6620\u5c04\u50cf\u7d20\u5230\u5b57\u7b26<\/strong><\/li>\n<\/ol>\n<p><p>\u6839\u636e\u50cf\u7d20\u503c\u6620\u5c04\u5230\u5b57\u7b26\u3002<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">def pixel_to_ascii(image):<\/p>\n<p>    pixels = image.getdata()<\/p>\n<p>    ascii_str = &quot;&quot;<\/p>\n<p>    for pixel_value in pixels:<\/p>\n<p>        ascii_str += ASCII_CHARS[pixel_value \/\/ 25]<\/p>\n<p>    return ascii_str<\/p>\n<h2><strong>\u83b7\u53d6ASCII\u827a\u672f<\/strong><\/h2>\n<p>ascii_image = pixel_to_ascii(gray_image)<\/p>\n<p><\/code><\/pre>\n<\/p>\n<ol start=\"6\">\n<li><strong>\u6253\u5370ASCII\u827a\u672f<\/strong><\/li>\n<\/ol>\n<p><p>\u5c06ASCII\u5b57\u7b26\u6253\u5370\u6210\u56fe\u50cf\u3002<\/p>\n<\/p>\n<p><pre><code class=\"language-python\"># \u5c06ASCII\u5b57\u7b26\u4e32\u683c\u5f0f\u5316\u6210\u56fe\u50cf<\/p>\n<p>ascii_image_list = [ascii_image[index: index + new_width] for index in range(0, len(ascii_image), new_width)]<\/p>\n<p>ascii_image = &quot;\\n&quot;.join(ascii_image_list)<\/p>\n<h2><strong>\u6253\u5370ASCII\u827a\u672f<\/strong><\/h2>\n<p>print(ascii_image)<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u901a\u8fc7\u4ee5\u4e0a\u6b65\u9aa4\uff0c\u4f60\u53ef\u4ee5\u5c06\u4efb\u4f55\u56fe\u50cf\u8f6c\u6362\u4e3aASCII\u827a\u672f\u3002\u8fd9\u79cd\u56fe\u50cf\u5904\u7406\u65b9\u6cd5\u4e0d\u4ec5\u6709\u8da3\uff0c\u800c\u4e14\u53ef\u4ee5\u5728\u6ca1\u6709\u590d\u6742\u56fe\u5f62\u63a5\u53e3\u7684\u60c5\u51b5\u4e0b\u663e\u793a\u56fe\u50cf\u3002<\/p>\n<\/p>\n<h2><strong>\u76f8\u5173\u95ee\u7b54FAQs\uff1a<\/strong><\/h2>\n<p> <strong>\u5982\u4f55\u5728Python\u4e2d\u5904\u7406\u56fe\u50cf\u4ee5\u751f\u6210\u4ee3\u7801\uff1f<\/strong><br \/>\u5728Python\u4e2d\u5904\u7406\u56fe\u50cf\u901a\u5e38\u6d89\u53ca\u4f7f\u7528\u56fe\u50cf\u5904\u7406\u5e93\uff0c\u5982PIL\uff08Pillow\uff09\u6216OpenCV\u3002\u60a8\u53ef\u4ee5\u901a\u8fc7\u5bfc\u5165\u8fd9\u4e9b\u5e93\uff0c\u8bfb\u53d6\u56fe\u50cf\u6587\u4ef6\uff0c\u5e76\u4f7f\u7528\u5404\u79cd\u529f\u80fd\u8fdb\u884c\u7f16\u8f91\u6216\u8f6c\u6362\u3002\u4f8b\u5982\uff0c\u60a8\u53ef\u4ee5\u8c03\u6574\u56fe\u50cf\u5927\u5c0f\u3001\u88c1\u526a\u3001\u6dfb\u52a0\u6ee4\u955c\u7b49\u3002\u4ee5\u4e0b\u662f\u4e00\u4e2a\u7b80\u5355\u7684\u793a\u4f8b\uff0c\u4f7f\u7528Pillow\u5e93\u8bfb\u53d6\u548c\u663e\u793a\u56fe\u50cf\uff1a<\/p>\n<pre><code class=\"language-python\">from PIL import Image\nimg = Image.open(&#39;your_image.jpg&#39;)\nimg.show()\n<\/code><\/pre>\n<p><strong>\u751f\u6210\u56fe\u50cf\u4ee3\u7801\u65f6\uff0c\u5e38\u7528\u7684Python\u5e93\u6709\u54ea\u4e9b\uff1f<\/strong><br \/>\u5728Python\u4e2d\uff0c\u6709\u51e0\u4e2a\u6d41\u884c\u7684\u5e93\u53ef\u4ee5\u5e2e\u52a9\u60a8\u751f\u6210\u548c\u5904\u7406\u56fe\u50cf\u4ee3\u7801\u3002Pillow\u662f\u6700\u5e38\u7528\u7684\u5e93\u4e4b\u4e00\uff0c\u9002\u5408\u57fa\u672c\u7684\u56fe\u50cf\u64cd\u4f5c\u3002OpenCV\u5219\u66f4\u9002\u5408\u590d\u6742\u7684\u8ba1\u7b97\u673a\u89c6\u89c9\u4efb\u52a1\u3002Matplotlib\u53ef\u4ee5\u7528\u4e8e\u5c06\u56fe\u50cf\u6570\u636e\u53ef\u89c6\u5316\uff0c\u5e76\u80fd\u751f\u6210\u56fe\u5f62\u8f93\u51fa\u3002\u9009\u62e9\u5408\u9002\u7684\u5e93\u53d6\u51b3\u4e8e\u60a8\u9879\u76ee\u7684\u9700\u6c42\u3002<\/p>\n<p><strong>\u5982\u4f55\u5c06\u56fe\u50cf\u8f6c\u6362\u4e3a\u5176\u4ed6\u683c\u5f0f\u7684\u4ee3\u7801\uff1f<\/strong><br \/>\u4f7f\u7528Pillow\u5e93\uff0c\u53ef\u4ee5\u8f7b\u677e\u5730\u5c06\u56fe\u50cf\u8f6c\u6362\u4e3a\u4e0d\u540c\u7684\u683c\u5f0f\u3002\u53ea\u9700\u6253\u5f00\u56fe\u50cf\u6587\u4ef6\uff0c\u7136\u540e\u4f7f\u7528<code>save<\/code>\u65b9\u6cd5\u6307\u5b9a\u76ee\u6807\u683c\u5f0f\u3002\u4f8b\u5982\uff0c\u60a8\u53ef\u4ee5\u5c06JPEG\u56fe\u50cf\u8f6c\u6362\u4e3aPNG\u683c\u5f0f\uff0c\u4ee3\u7801\u5982\u4e0b\uff1a<\/p>\n<pre><code class=\"language-python\">img = Image.open(&#39;your_image.jpg&#39;)\nimg.save(&#39;converted_image.png&#39;)\n<\/code><\/pre>\n<p>\u8fd9\u6837\uff0c\u60a8\u5c31\u53ef\u4ee5\u5728Python\u4e2d\u7075\u6d3b\u5904\u7406\u548c\u8f6c\u6362\u56fe\u50cf\u6587\u4ef6\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"\u4e00\u3001\u7167\u7247\u4ee3\u7801\u7684\u57fa\u7840\u539f\u7406 \u5236\u4f5c\u7167\u7247\u4ee3\u7801\u4e3b\u8981\u4f9d\u8d56\u4e8e\u56fe\u50cf\u5904\u7406\u548c\u7f16\u89e3\u7801\u6280\u672f\u3001Python\u5e93\u5982PIL\uff08Pillow\uff09\u3001O 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