{"id":58914,"date":"2020-08-16T11:41:57","date_gmt":"2020-08-16T02:41:57","guid":{"rendered":"https:\/\/smilegate.ai\/?p=58914"},"modified":"2020-08-16T22:32:44","modified_gmt":"2020-08-16T13:32:44","slug":"gan-image-compression","status":"publish","type":"post","link":"https:\/\/smilegate.ai\/cn\/2020\/08\/16\/gan-image-compression\/","title":{"rendered":"\u57fa\u4e8eGAN\u7684\u56fe\u50cf\u538b\u7f29"},"content":{"rendered":"

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\u5728\u4e0a\u8ff0\u6280\u672f\u4e2d\uff0c\u4e0e\u4eba\u7c7b\u201c\u89c6\u89c9\u8ba4\u77e5\u7279\u5f81\u201d\u6709\u5173\u7684\u552f\u4e00\u90e8\u5206\u662fDCT\u7684\u9891\u7387\u8868\u8fbe\u3002\u901a\u8fc7\u4f7f\u5bf9\u5e94\u4e8e\u201c\u9762\u90e8\u201d\u7684\u4f4e\u9891\u533a\u57df\u548c\u5bf9\u5e94\u4e8e\u201c\u7ebf\u201d\u7684\u9ad8\u9891\u533a\u57df\u4e2d\u7684\u6bcf\u4e00\u4e2a\u7684\u5bb9\u9519\u6027\u4e0d\u540c\u6765\u6267\u884c\u89c6\u89c9\u7cfb\u7edf\u4f18\u5316\uff0c\u4f46\u662f\u5373\u4f7f\u5f15\u5165\u5b9a\u5411\u9884\u6d4b\u6280\u672f\u4e5f\u5f88\u5c11\u4f7f\u7528\u8be5\u5bb9\u9519\u6027\u3002<\/p>\n\n\n\n

\u5728HEVC \/ H.265\u6807\u51c6\u5316\u7684\u65e9\u671f\u9636\u6bb5\uff08\u5927\u7ea610\u5e74\u524d\uff09\uff0c\u56fd\u9645\u6807\u51c6\u5316\u7ec4\u7ec7\u5df2\u7ecf\u8ba8\u8bba\u4e86\u57fa\u4e8e\u201c\u751f\u6210\u201d\u7684\u6280\u672f\u3002\u5177\u4f53\u5730\u8bf4\uff0c\u5bf9\u4e8e\u201c\u6c34\u201d\uff0c\u201c\u68ee\u6797\u201d\u548c\u201c\u6c99\u201d\u7b49\u533a\u57df\uff0c\u8fd9\u662f\u4e00\u9879\u901a\u8fc7\u5c06\u751f\u6210\u7684\u7eb9\u7406\u66ff\u6362\u4e3a\u751f\u6210\u7684\u7eb9\u7406\u800c\u4e0d\u662f\u7cbe\u786e\u7684\u539f\u59cb\u6570\u636e\u6765\u4fdd\u630130%\u538b\u7f29\u7387\uff0c\u540c\u65f6\u4fdd\u6301\u89c6\u89c9\u76f8\u4f3c\u6027\u7684\u6280\u672f\u3002\u4f46\u662f\uff0c\u90a3\u65f6\uff0c\u201c\u6c34\u201d\uff0c\u201c\u68ee\u6797\u201d\u548c\u201c\u6c99\u201d\u4e2d\u7684\u6bcf\u4e00\u4e2a\u90fd\u9700\u8981\u4e0d\u540c\u7684\u751f\u6210\u6a21\u578b\uff0c\u5e76\u4e14\u7531\u4e8e\u7f3a\u4e4f\u901a\u7528\u6027\u800c\u6ca1\u6709\u88ab\u91c7\u7528\u4e3a\u6807\u51c6\u3002<\/p>\n\n\n\n

\u4e0b\u9762\u7684\u94fe\u63a5\u4e0a\u7684\u8bba\u6587\u8ba8\u8bba\u4e86\u5728\u56fe\u50cf\u538b\u7f29\u9886\u57df\u4e2d\u4f7f\u7528GAN\u7684\u6280\u672f\u3002\u968f\u7740GAN\u7684\u51fa\u73b0\uff0c\u4e00\u822c\u7eb9\u7406\u7684\u751f\u6210\u6280\u672f\u5df2\u5927\u5927\u6539\u5584\uff0c\u5e76\u4e14\u6709\u53ef\u80fd\u5b66\u4e60\u5927\u91cf\u6570\u636e\uff0c\u8fdc\u8fdc\u8d85\u8fc7\u4e86\u73b0\u6709\u57fa\u4e8e\u4fe1\u53f7\u5904\u7406\u6280\u672f\u7684\u6027\u80fd\u3002\u81eaJPEG\u4e8e1992\u5e74\u95ee\u4e16\u4ee5\u6765\uff0c\u5b83\u53ef\u4ee5\u770b\u4f5c\u662f\u6700\u5927\u7684\u8303\u5f0f\u53d8\u5316\uff08\u5206\u6790\u7efc\u5408->\u751f\u6210\uff09\uff0c\u4f46\u662f\u5373\u4f7f\u5df2\u53d1\u5e03\u663e\u793a\u51faJPEG\u6548\u7387\u4e24\u500d\u4ee5\u4e0a\u7684\u6280\u672f\uff08\u4f8b\u5982JPEG-2000\uff0cHEIF\uff0cBPG\u7b49\uff09\uff0c\u4f46\u7531\u4e8e\u9057\u7559\u7684\u4f9d\u8d56\u6027\u548c\u590d\u6742\u6027\uff0c\u5b83\u4ecd\u65e0\u6cd5\u8fdb\u5165\u5e02\u573a\u3002\u9274\u4e8e\u6b64\uff0c\u76ee\u524d\u5c1a\u4e0d\u6e05\u695a\u5728\u672a\u6765\u7684\u5e02\u573a\u4e2d\u53ef\u4ee5\u4f7f\u7528\u591a\u5c11\u57fa\u4e8eGAN\u7684\u6280\u672f\uff08\u6bd4BPG\u590d\u674210\u5230\u6570\u767e\u500d\uff09\u3002<\/p>\n\n\n\n

<\/div>\n\n\n
<\/a>
\"\"<\/div><\/div>
GAN\u7684\u56fe\u50cf\u538b\u7f29<\/div>
\u56fe\u50cf\u538b\u7f29\u662f\u6e38\u620f\u4f53\u9a8c\u4e2d\u975e\u5e38\u91cd\u8981\u7684\u90e8\u5206\uff0c\u6d89\u53ca\u4e0e\u6570\u636e\u5b58\u50a8\u548c\u4f20\u8f93\u76f8\u5173\u7684\u591a\u4e2a\u5e94\u7528\u7a0b\u5e8f\u3002\u8fd9\u662f\u901a\u8fc7\u4ee5\u4e0b\u65b9\u5f0f\u4f7f\u4e91\u6e38\u620f\u6d41\u4f20\u8f93\u6210\u4e3a\u53ef\u80fd\u7684\u5173\u952e\uff1a<\/div><\/div><\/div>
<\/span><\/div>","protected":false},"excerpt":{"rendered":"

\ub3d9\uc601\uc0c1 \uc555\ucd95 \ubd84\uc57c\uc5d0\uc11c\ub3c4 \ubb34\uc5b4\uc758 \ubc95\uce59(\ud2b8\ub79c\uc9c0\uc2a4\ud130\uc758 \uc218\uac00 2\ub144\uc5d0 2\ubc30\uc529 \uc99d\uac00)\uacfc \uac19\uc740 \uac83\uc774 \uc788\ub294\ub370, 1993\ub144 MPEG-1, 2003\ub144 MPEG-4\/AVC (H.264), 2013\ub144 MPEG-H\/HEVC (H.265)\ub85c \uc774\uc5b4\uc9c0\ub294 10\ub144 2\ubc30 \uc555\ucd95\ub960 \uc99d\uac00 \uacbd\ud5a5\uc785\ub2c8\ub2e4. \ucc38\uace0\ub85c \uc774\ubbf8\uc9c0 \uc555\ucd95\uc758 \uacbd\uc6b0, JPEG\uc740 1992\ub144, JPEG-2000\uc740 2000\ub144\uc5d0 \ub098\uc654\uc2b5\ub2c8\ub2e4. \uadf8\ub7ec\ub098 \uc0ac\uc2e4\uc0c1 \ud604\uc7ac\uc758 H.265\ub3c4 1993\ub144 \ub098\uc628 MPEG-1\uacfc \uae30\uc220\uc801\uc73c\ub85c \ub9e4\uc6b0 \uc720\uc0ac\ud55c \uad6c\uc870\ub97c \uac00\uc9c0\uace0 \uc788\uc73c\uba70 \uc774\uc5d0 \uae30\ubc18\ud55c \uc774\ubbf8\uc9c0 \ucf54\ub371\uc778 HEIF\ub098 BPG\ub3c4 directional…<\/p>\n

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