{"id":203022,"date":"2025-05-22T11:54:54","date_gmt":"2025-05-22T03:54:54","guid":{"rendered":"https:\/\/server.hk\/cnblog\/203022\/"},"modified":"2025-05-22T11:54:54","modified_gmt":"2025-05-22T03:54:54","slug":"%e5%87%bd%e6%95%b0%e5%bc%8f%e7%bc%96%e7%a8%8b%e5%9c%a8%e5%9b%be%e5%83%8f%e5%a4%84%e7%90%86%e7%ae%97%e6%b3%95%e6%80%a7%e8%83%bd%e6%8f%90%e5%8d%87%e4%b8%ad%e7%9a%84%e5%ba%94%e7%94%a8","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/203022\/","title":{"rendered":"\u51fd\u6570\u5f0f\u7f16\u7a0b\u5728\u56fe\u50cf\u5904\u7406\u7b97\u6cd5\u6027\u80fd\u63d0\u5347\u4e2d\u7684\u5e94\u7528"},"content":{"rendered":"

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\u51fd\u6570\u5f0f\u7f16\u7a0b\u5728\u56fe\u50cf\u5904\u7406\u7b97\u6cd5\u6027\u80fd\u63d0\u5347\u4e2d\u7684\u5e94\u7528<\/h1>\n

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import numpy as np\nfrom scipy.fft import fft2, ifft2\n\ndef fourier_transform(image):\n  return fft2(image)\n\ndef inverse_fourier_transform(fourier_image):\n  return ifft2(fourier_image)\n\nimage = np.array([[1, 2], [3, 4]])\nfourier_image = fourier_transform(image)\nrestored_image = inverse_fourier_transform(fourier_image)<\/pre>\n
\u56fe\u50cf\u6a21\u7cca<\/strong><\/p>\n
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import numpy as np\n\ndef blur(image, kernel):\n  return np.convolve(image, kernel, mode='same')\n\nkernel = np.array([[1, 1, 1], [1, 1, 1], [1, 1, 1]]) \/ 9\nblurry_image = blur(image, kernel)<\/pre>\n
\u6027\u80fd\u4f18\u52bf<\/strong><\/p>\n
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  • \u5185\u5b58\u6548\u7387\uff1a<\/strong>\u4e0d\u53ef\u53d8\u6027\u786e\u4fdd\u56fe\u50cf\u4e0d\u4f1a\u5728\u5185\u5b58\u4e2d\u8fdb\u884c\u4e0d\u5fc5\u8981\u7684\u526f\u672c\uff0c\u4ece\u800c\u51cf\u5c11\u5185\u5b58\u5f00\u9500\u3002<\/li>\n
  • \u6a21\u5757\u5316\uff1a<\/strong>\u4e00\u7ea7\u51fd\u6570\u4fc3\u8fdb\u4ee3\u7801\u91cd\u7528\uff0c\u4ece\u800c\u4f7f\u7b97\u6cd5\u66f4\u52a0\u6a21\u5757\u5316\u548c\u6613\u4e8e\u7ef4\u62a4\u3002<\/li>\n<\/ul>\n
    \u7ed3\u8bba<\/strong><\/p>\n
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    \u51fd\u6570\u5f0f\u7f16\u7a0b\u5728\u56fe\u50cf\u5904\u7406\u7b97\u6cd5\u6027\u80fd\u63d0\u5347...<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[4925],"tags":[],"class_list":["post-203022","post","type-post","status-publish","format-standard","hentry","category-4925"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/203022","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/comments?post=203022"}],"version-history":[{"count":0,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/203022\/revisions"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=203022"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=203022"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=203022"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}