{"id":1814,"date":"2019-07-03T02:52:42","date_gmt":"2019-07-02T18:52:42","guid":{"rendered":"http:\/\/www.liuwenhao.me\/?p=1814"},"modified":"2021-11-22T12:54:51","modified_gmt":"2021-11-22T04:54:51","slug":"%e5%85%b3%e4%ba%8e%e6%91%84%e5%83%8f%e5%a4%b4%e7%9a%84raw%e6%95%b0%e6%8d%ae%e4%b8%8eyuv%e6%95%b0%e6%8d%ae","status":"publish","type":"post","link":"https:\/\/www.liuwenhao.me\/?p=1814","title":{"rendered":"\u5173\u4e8e\u6444\u50cf\u5934\u7684RAW\u6570\u636e\u4e0eYUV\u6570\u636e"},"content":{"rendered":"

1. RAW\u4e0eYUV<\/h1>\n

    RAW\u6570\u636e\uff1aSensor\u8f93\u51fa\u7684\u539f\u59cb\u6570\u636e\uff0c\u4e00\u822c\u6709RAW8\u3001RAW10\u3001RAW12\u7b49\uff0c\u5206\u522b\u8868\u793a\u4e00\u4e2a\u50cf\u7d20\u70b9\u67098bit\u6570\u636e\u300110bit\u6570\u636e\u300112bit\u6570\u636e\u3002\u8fd9\u662fSensor\u8f93\u51fa\u7684\u6700\u539f\u59cb\u7684\u6570\u636e\uff0c\u4e0d\u8bba\u89c6\u9891\u6700\u540e\u8f6c\u6210\u4ec0\u4e48\u683c\u5f0f\uff0c\u90fd\u9996\u5148\u9700\u8981\u4eceRAW\u683c\u5f0f\u8f6c\u3002<\/p>\n

    YUV\u6570\u636e\uff1aRAW\u6570\u636e\u7ecf\u8fc7\u8f6c\u6362\u4e4b\u540e\u7684\u6570\u636e\u3002\u6444\u50cf\u5934\u4e2d\u6700\u5e38\u7528\u7684\u662fYUV 422\u683c\u5f0f\uff0c\u53caY-U-Y-V\u683c\u5f0f\u3002\u4ee5YUV422 8bit\u4e3a\u4f8b\uff0c\u6bcf\u4e2a\u50cf\u7d20\u70b9\u90fd\u5305\u542b\u4eae\u5ea6\u5206\u91cf\uff088bit\uff09\u4ee5\u53caUV\u4e24\u4e2a\u989c\u8272\u5206\u91cf\u4e2d\u7684\u67d0\u4e00\u4e2a\uff088bit\uff09\u3002\u56e0\u6b64\u6bcf\u4e2a\u50cf\u7d20\u70b9\u9700\u898116bit\u6570\u636e\u3002\u5982\u679c\u4f7f\u7528YUV422 10bit\uff0c\u90a3\u6bcf\u4e2a\u50cf\u7d20\u70b9\u9700\u898120bit\u6765\u63cf\u8ff0\u3002<\/p>\n

2. \u6570\u636e\u683c\u5f0f\u5bfc\u81f4\u7684\u6210\u50cf\u6548\u679c\u5dee\u5f02<\/h1>\n

    \u5e02\u9762\u4e0a\u6700\u5e38\u89c1\u7684Sensor\u6570\u636e\u683c\u5f0f\u4e3aRAW10\u3002\u6700\u5e38\u89c1\u7684YUV\u683c\u5f0f\u4e3aYUV422 8bit\u3002\u5c06RAW10\u8f6c\u6210YUV 8bit\u65f6\uff0c\u867d\u7136\u6bcf\u4e2a\u50cf\u7d20\u70b9\u7684\u6570\u636e\u91cf\u753110bit\u53d8\u6210\u4e8616bit\uff0c\u4f46\u5b9e\u9645\u4e0a\u6bcf\u4e2a\u50cf\u7d20\u70b9\u53cd\u800c\u4f1a\u635f\u59312\u4e2abit\u7684\u7cbe\u5ea6\u3002<\/p>\n

    \u6839\u636eSNR\u7684\u8ba1\u7b97\u516c\u5f0f\uff08\u5b9e\u9645\u8fd8\u9700\u8981\u8003\u8651Sensor\u81ea\u8eabSNR\u6027\u80fd\uff0c\u53e0\u52a0\u4e4b\u540e\u624d\u662f\u6574\u4e2a\u7cfb\u7edf\u7684SNR\uff09\uff1a<\/p>\n

\uff08N\u4e3a\u6570\u636e\u4f4d\u5bbd\uff09\"clip_image001\"<\/a><\/p>\n

    \u5c06RAW10\u8f6c\u6210YUV422 8bit\u540e\uff0c\u635f\u5931\u76842bit\u7cbe\u5ea6\u4f1a\u5bfc\u81f412.04dB\u7684SNR\u635f\u5931\u3002<\/p>\n

\u6839\u636e\u4e0a\u8ff0\u516c\u5f0f\uff0c\u5728\u4f7f\u75288bit\u7684\u6570\u636e\u683c\u5f0f\u65f6\uff0cSNR=49.92dB\u3002\u800c\u4e00\u822cSensor\u7684SNR\u5927\u6982\u4e3a40dB\u3002SNR\u7684\u74f6\u9888\u5728Sensor\u800c\u4e0d\u5728\u6570\u636e\u4f4d\u5bbd\u4e0a\uff0c\u56e0\u6b64\u5c06RAW10\u683c\u5f0f\u8f6c\u6362\u4e3aYUV422 8bit\u9020\u6210\u7684\u5b9e\u9645\u6210\u50cf\u635f\u5931\u53ea\u6709\u5728Sensor\u6210\u50cf\u6548\u679c\u975e\u5e38\u597d\u7684\u60c5\u51b5\u4e0b\u624d\u4f1a\u6709\u6240\u4f53\u73b0\u3002<\/p>\n

    \u7efc\u5408\u4e0a\u8ff0\u8ba8\u8bba\uff1a<\/p>\n\n\n\n\n\n
\u6570\u636e\u683c\u5f0f<\/td>\n\u6bcf\u4e2a\u50cf\u7d20\u70b9\u6570\u636e\u91cf<\/td>\n\u6570\u636e\u4f4d\u5bbd\u7684SNR\u6027\u80fd<\/td>\n<\/tr>\n
RAW10<\/td>\n10bit<\/td>\n61.96dB<\/td>\n<\/tr>\n
YUV422 8bit<\/td>\n16bit<\/td>\n49.92dB<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

<\/font><\/h3>\n","protected":false},"excerpt":{"rendered":"

1. RAW\u4e0eYUV     RAW\u6570\u636e\uff1aSensor\u8f93\u51fa\u7684\u539f\u59cb\u6570\u636e\uff0c\u4e00\u822c\u6709RAW8\u3001RAW10\u3001RAW12\u7b49\uff0c\u5206\u522b\u8868\u793a\u4e00\u4e2a\u50cf\u7d20\u70b9\u67098bit\u6570\u636e\u300110bit\u6570\u636e\u300112bit\u6570\u636e\u3002\u8fd9\u662fSensor\u8f93\u51fa\u7684\u6700\u539f\u59cb\u7684\u6570\u636e\uff0c\u4e0d\u8bba\u89c6\u9891\u6700\u540e\u8f6c\u6210\u4ec0\u4e48\u683c\u5f0f\uff0c\u90fd\u9996\u5148\u9700\u8981\u4eceRAW\u683c\u5f0f\u8f6c\u3002 &...<\/p>\n","protected":false},"author":1,"featured_media":-1814,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[2],"tags":[],"views":5162,"_links":{"self":[{"href":"https:\/\/www.liuwenhao.me\/index.php?rest_route=\/wp\/v2\/posts\/1814"}],"collection":[{"href":"https:\/\/www.liuwenhao.me\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.liuwenhao.me\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.liuwenhao.me\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.liuwenhao.me\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=1814"}],"version-history":[{"count":2,"href":"https:\/\/www.liuwenhao.me\/index.php?rest_route=\/wp\/v2\/posts\/1814\/revisions"}],"predecessor-version":[{"id":5328,"href":"https:\/\/www.liuwenhao.me\/index.php?rest_route=\/wp\/v2\/posts\/1814\/revisions\/5328"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.liuwenhao.me\/index.php?rest_route=\/"}],"wp:attachment":[{"href":"https:\/\/www.liuwenhao.me\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1814"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.liuwenhao.me\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=1814"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.liuwenhao.me\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=1814"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}