{"id":352780,"date":"2021-02-20T23:22:24","date_gmt":"2021-02-20T15:22:24","guid":{"rendered":"http:\/\/4563.org\/?p=352780"},"modified":"2021-02-20T23:22:24","modified_gmt":"2021-02-20T15:22:24","slug":"%e4%b8%80%e5%bc%a0%e7%85%a7%e7%89%87%e5%9c%a8%e4%b8%8d%e5%90%8c%e8%b4%a8%e9%87%8f%e7%9a%84%e5%b1%8f%e5%b9%95%e4%b8%8a%e6%97%a0%e9%99%90%e6%88%aa%e5%9b%be%e8%bd%ac%e5%8f%91%e4%b8%8b%e5%8e%bb","status":"publish","type":"post","link":"http:\/\/4563.org\/?p=352780","title":{"rendered":"\u4e00\u5f20\u7167\u7247\u5728\u4e0d\u540c\u8d28\u91cf\u7684\u5c4f\u5e55\u4e0a\u65e0\u9650\u622a\u56fe\u8f6c\u53d1\u4e0b\u53bb\u2026\u2026"},"content":{"rendered":"
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\u4e00\u5f20\u7167\u7247\u5728\u4e0d\u540c\u8d28\u91cf\u7684\u5c4f\u5e55\u4e0a\u65e0\u9650\u622a\u56fe\u8f6c\u53d1\u4e0b\u53bb\u2026\u2026 <\/h1>\n

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\n
\u8cc7\u6df1\u5927\u4f6c : huguadao <\/span> <\/i> 2<\/span> <\/div>\n
<\/div>\n<\/p><\/div>\n<\/p><\/div>\n<\/p><\/div>\n
<\/p>\n

\u4f1a\u4e0d\u4f1a\u6700\u540e\u8272\u5dee\u5230\u8fde\u6bcd\u56fe\u90fd\u4e0d\u8ba4 ta \u4e86 <\/p><\/div>\n

\u5927\u4f6c\u6709\u8a71\u8aaa<\/b> (23<\/span>) <\/div>\n
<\/div>\n<\/p><\/div>\n<\/p><\/div>\n
    \n
  • \n
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    \u8cc7\u6df1\u5927\u4f6c : IsaacYoung <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    \u53c2\u8003\u767e\u5ea6\u8d34\u5427 \u53d8\u7eff <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
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    \u8cc7\u6df1\u5927\u4f6c : microka <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    \u8fd9\u4e2a\u5e94\u8be5\u548c\u5c4f\u5e55\u65e0\u5173\uff0c\u4e3b\u8981\u548c\u622a\u56fe\u4fdd\u5b58\u683c\u5f0f\u6709\u5173\u5427\uff0c\u7cfb\u7edf\u663e\u793a\u8f93\u51fa\u8272\u5f69\uff08\u8272\u6df1\uff09\u4e0d\u77e5\u6709\u65e0\u5f71\u54cd\u3002 <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
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    \u4e3b<\/span> \u8cc7\u6df1\u5927\u4f6c : huguadao <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    @IsaacYoung #1 \u767b\u4e86\u4e2a\u591a\u5c0f\u65f6\u624d\u4e0a\u6765\uff0c\u8fd8\u4ee5\u4e3a\u88ab Q \u4e86\u3002\u539f\u6765\u8fd9\u6837\u4f1a\u53d8\u7eff <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
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    \u4e3b<\/span> \u8cc7\u6df1\u5927\u4f6c : huguadao <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    @microka #2 \u6709\u65f6\u5019\u6211\u4e5f\u65e0\u610f\u8bc6\u7684\u4f1a\u53bb\u60f3\uff0c\u6211\u8fd9\u622a\u7684\u5b83\u662f\u8868\u8c61\u8fd8\u662f\u672c\u8d28 <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
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    \u8cc7\u6df1\u5927\u4f6c : also24 <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    \u622a\u56fe\u7684\u8d28\u91cf\uff0c\u548c\u5c4f\u5e55\u8d28\u91cf\u6ca1\u6709\u5fc5\u7136\u5173\u8054\u5427<\/p>\n

    \u9664\u975e\u662f\u5c4f\u5e55\u5206\u8fa8\u7387\u5b9e\u5728\u592a\u4f4e\uff0c\u5bfc\u81f4\u56fe\u7247\u4e0d\u5f97\u4e0d\u7f29\u653e <\/p><\/div>\n<\/p><\/div>\n<\/li>\n

  • \n
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    \u8cc7\u6df1\u5927\u4f6c : ipwx <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    \u53ef\u80fd\u4e0d\u53ea\u662f\u8272\u5dee\uff0c\u800c\u662f\u767d\u566a\u58f0\u4e86\u3002\u3002\u3002\uff08\u7b11\u54ed <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
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    \u8cc7\u6df1\u5927\u4f6c : ETiV <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    YouTube \u4e0a MKBHD \u505a\u8fc7\u4e00\u4e2a\u5b9e\u9a8c<\/p><\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
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    \u8cc7\u6df1\u5927\u4f6c : systemcall <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    \u5047\u8bbe\u4f7f\u7528\u7684\u90fd\u662f 1920×1080 60hz 8bit \u8272\u5f69 srgb
    \u5982\u679c\u622a\u56fe\u662f\u65e0\u635f\u683c\u5f0f\uff08 PNG \u8fd9\u7c7b\uff09\uff0c\u7406\u8bba\u4e0a\u6ca1\u591a\u5927\u5f71\u54cd\uff0c\u4f46\u5982\u679c\u662f yuv422 \u6216\u8005 420 \u7684\u8bdd\uff0c\u7531\u4e8e\u4e0d\u662f\u6bcf\u4e00\u4e2a\u50cf\u7d20\u70b9\u90fd\u6709\u8bb0\u5f55\u5bf9\u5e94\u7684\u8272\u5f69\u4fe1\u606f\uff0c\u6240\u4ee5\u8fd8\u662f\u4f1a\u964d\u4f4e\u753b\u8d28\u3002\u5e76\u4e14\uff0c\u7531\u4e8e\u663e\u793a\u7684\u65f6\u5019\u662f RGB \u65b9\u5f0f\u8f93\u51fa\u7684\uff0c\u4eae\u5ea6\u5e94\u8be5\u4e5f\u4f1a\u53d7\u5230\u5f71\u54cd\u5427\uff0c\u53cd\u590d\u8fdb\u884c\u7684\u8bdd
    \u6709\u635f\u683c\u5f0f\u753b\u8d28\u4f1a\u53d8\u5dee\u3002\u6700\u5178\u578b\u7684\u5c31\u662f\u8001\u7248\u672c\u7684\u5b89\u5353\uff08 6.0 \u53ca\u4ee5\u524d\u7684\u6bd4\u8f83\u660e\u663e\uff09\uff0cjpeg \u683c\u5f0f\u5728\u53cd\u590d\u538b\u7f29\u7684\u65f6\u5019\u4f1a\u663e\u8457\u53d8\u7eff\uff0c\u540c\u65f6\u753b\u8d28\u663e\u8457\u53d8\u5dee\u3002\u8fd9\u4e2a\u548c\u6240\u91c7\u7528\u7684\u7f16\u7801\u7b97\u6cd5\u4e4b\u7c7b\u7684\u6709\u5173\u7cfb\uff0c\u662f\u7f16\u7801\u56fe\u50cf\u7684\u65f6\u5019\u6240\u5f15\u5165\u7684\u7455\u75b5
    \u5982\u679c\u5206\u8fa8\u7387\u4e0d\u4e00\u81f4\uff0c\u7531\u4e8e\u4e0d\u662f\u70b9\u5bf9\u70b9\u663e\u793a\uff0c\u753b\u8d28\u4f1a\u4e0b\u964d\uff0c\u81f3\u5c11\u9510\u5ea6\u4f1a\u4e0b\u964d\u3002\u8fd9\u4e2a\u548c\u6240\u91c7\u7528\u7684\u5347\u91c7\u6837\u7b97\u6cd5\u548c\u964d\u91c7\u6837\u7b97\u6cd5\u90fd\u6709\u5173\u7cfb\uff0c\u4f46\u662f\u753b\u8d28\u5e94\u8be5\u662f\u4f1a\u53d8\u5dee\u7684
    \u5982\u679c\u5728\u4e0d\u540c\u7684\u8272\u5f69\u7a7a\u95f4\u7684\u5c4f\u5e55\u4e0a\u663e\u793a\u7684\u8bdd\uff0c\u53ef\u80fd\u4f1a\u53d7\u5230 tone mapping \u5e26\u6765\u7684\u8272\u5f69\u4e0a\u7684\u635f\u5931\uff0c\u731c\u6d4b\u4e3b\u8981\u8fd8\u662f\u8272\u5f69\u7684\u7cbe\u5ea6\u4e0a\u7684
    \u5982\u679c\u662f\u5728\u4e0d\u540c\u7684\u8272\u6df1\u7684\u5c4f\u5e55\u4e0a\u9762\u663e\u793a\u7684\u8bdd\uff0c\u8272\u5f69\u7684\u7cbe\u5ea6\u5e94\u8be5\u4f1a\u53d7\u5230\u4e00\u4e9b\u5f71\u54cd\u5427\uff0c\u73b0\u5728\u7684\u5c4f\u5e55\u6709 6bit 8bit 10bit 12bit \u751a\u81f3\u66f4\u9ad8\u7684\u8272\u6df1\u3002\u8fd9\u4e2a\u5904\u7406\u7684\u8fc7\u7a0b\u4e0d\u592a\u6e05\u695a\uff0c\u611f\u89c9\u5f71\u54cd\u5e94\u8be5\u4e5f\u4e0d\u7b97\u5c0f <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u4e3b<\/span> \u8cc7\u6df1\u5927\u4f6c : huguadao <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    @systemcall #8 \u597d\u4e13\u4e1a\uff01\u4e3b\u8981\u662f\u6211\u78b0\u5230\u7684\u73b0\u5b9e\u95ee\u9898\uff0c\u505a\u6587\u672c\u627e\u56fe\u7684\u65f6\u5019\uff0c\u6211\u662f\u4e00\u5f20\u4e00\u5f20\u4e0b\u4e0b\u6765\u653e\u5230\u6587\u672c\u91cc\u9762\uff08\u9ebb\u70e6\uff0c\u8fd8\u6709\u5197\u4f59\u6587\u4ef6\uff09\uff0c\u8fd8\u662f\u76f4\u63a5\u622a\u56fe\u4e00\u4e2a\u7c98\u8d34\u89e3\u51b3\uff08\u7b80\u5355\uff0c\u6211\u662f 27 \u5bf8 imac \u5927\u5c4f\uff0c\u5206\u8fa8\u7387\u5e94\u8be5\u635f\u5931\u4e0d\u4e86\u591a\u5c11\uff09 <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : microka <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    @ETiV #7 \u8fd9\uff0c\u4e24\u7801\u4e8b\u554a\u3002 <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
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    \u8cc7\u6df1\u5927\u4f6c : justfun <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    @IsaacYoung \u53d8\u7eff\u662f\u56e0\u4e3a\u53cd\u590d\u538b\u7f29 jpg\uff0c\u622a\u56fe\u6d89\u53ca\u7684\u5e94\u8be5\u4f1a\u66f4\u590d\u6742\u4e00\u4e0b <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
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    \u8cc7\u6df1\u5927\u4f6c : weak <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    \u6211\u524d\u8001\u677f\uff0c\u628a\u6211\u4eec\u505a\u7684\u89c6\u9891\u4f20\u5fae\u4fe1\uff0c\u4e00\u4e2a\u63a5\u4e00\u4f20\uff0c25 \u5146\u7684\u89c6\u9891\uff0c\u6700\u540e\u53d8\u6210 1.8 \u5146\uff0c\u753b\u8d28\u60e8\u4e0d\u5fcd\u7779 <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : ETiV <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    @microka
    \u56e0\u4e3a\u5728\u8ba8\u8bba\u753b\u8d28\u7684\u635f\u5931\u561b\uff0c\u60f3\u5230\u4e86\u8fd9\u4e2a\u89c6\u9891 <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : kooze <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    \u66fe\u4eca\u670b\u53cb\u65b0\u4e70\u4e86\u663e\u793a\u5668\uff0c\u622a\u56fe\u7ed9\u6211\u770b\u6709\u4e24\u4e2a\u574f\u70b9\uff0c\u8fd8\u7528\u7ea2\u8272\u5708\u51fa\u6765\u4e86\u3002 <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u4e3b<\/span> \u8cc7\u6df1\u5927\u4f6c : huguadao <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    @kooze \u7ed3\u679c\uff0c\u5708\u91cc\u9762\u5565\u4e5f\u6ca1\u6709\uff1f\uff01 <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
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    \u8cc7\u6df1\u5927\u4f6c : snw <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    m13253.github.io\/JPEGreen\/ <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u4e3b<\/span> \u8cc7\u6df1\u5927\u4f6c : huguadao <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    @snw \u6211\u5929\u5566\uff01\uff01\uff01
    https:\/\/i.loli.net\/2021\/02\/21\/FzEZ3PD8w6ysSlc.jpg <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
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    \u8cc7\u6df1\u5927\u4f6c : rainman777 <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    @huguadao
    \u8fd8\u539f\u771f\u5b9e~
    https:\/\/imgchr.com\/i\/yThqMt <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : icyalala <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    \u53d8\u7eff\u662f\u65e7\u7248 Android \u7528\u7684 Skia \u778e\u6539\u53c2\u6570\u51fa\u7684 Bug \u3002\u3002
    https:\/\/www.zhihu.com\/question\/29355920\/answer\/119088684
    \u6548\u679c\u53ef\u4ee5\u770b\u4e0a\u9762\u7684 JPEGreen <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
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    \u8cc7\u6df1\u5927\u4f6c : msg7086 <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    \u753b\u8d28\u7684\u635f\u5931\uff0c\u65e0\u975e\u5c31\u662f
    1. \u8272\u5f69\u7a7a\u95f4\u53d8\u6362\u9020\u6210\u7684 rounding error
    2. \u7f29\u653e\u65f6\u9020\u6210\u7684\u4fe1\u606f\u71b5\u51cf\u5c11\u548c artifacts
    3. \u7f16\u7801\u65f6\u9020\u6210\u7684\u4fe1\u606f\u71b5\u51cf\u5c11\u548c artifacts
    \u5177\u4f53\u6548\u679c\u81ea\u5df1\u6a21\u62df\u4e00\u4e0b\u8fd9\u4e9b\u6267\u884c\u8fc7\u7a0b\u5c31\u884c\u4e86\u3002 <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
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    \u8cc7\u6df1\u5927\u4f6c : minmini <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    \u7535\u5b50\u5305\u6d46\u3002\u3002\u3002\u3002\u3002\u3002\u3002\u3002\u3002 <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : happuiness <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    @kooze \u54c8\u54c8\u54c8\uff0c\u7b11\u51fa\u58f0 <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
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    \u8cc7\u6df1\u5927\u4f6c : systemcall <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    @rainman777 #18
    \u632f\u94c3\u3001\u8272\u5e26\u4e4b\u7c7b\u7684 artifacts \u8fd8\u662f\u4e0d\u591f\u591a\uff0c\u53ea\u662f\u53d8\u7eff\u53d8\u6a21\u7cca\u4e86
    \u90a3\u51e0\u4ee3 Android\uff0cjpeg \u538b\u7f29\u7684\u6548\u679c\u6bd4\u8fd9\u4e2a\u5dee\u8fdc\u4e86\uff0c\u538b\u51e0\u904d\u5c31\u53d8\u5f97\u5f88\u7eff\uff0c\u8fd8\u6709\u5f88\u591a\u632f\u94c3\uff0c\u8272\u5f69\u8fc7\u6e21\u4e5f\u5f88\u8be1\u5f02\u3002\u5e76\u4e14\u6bcf\u6b21\u8fd8\u4f1a\u7528\u67d0\u79cd\u8c1c\u4e4b\u7b97\u6cd5\u6765\u201c\u63d0\u5347\u201d\u753b\u8d28
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  • \n","protected":false},"excerpt":{"rendered":"

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