{"id":3864,"date":"2022-05-18T14:44:02","date_gmt":"2022-05-18T06:44:02","guid":{"rendered":"https:\/\/www.hjkir.com\/industry\/?p=3864"},"modified":"2022-07-06T13:57:57","modified_gmt":"2022-07-06T05:57:57","slug":"%e7%ba%a2%e5%a4%96%e5%9b%be%e5%83%8f%e6%95%b0%e5%ad%97%e7%bb%86%e8%8a%82%e5%a2%9e%e5%bc%ba%ef%bc%88dde%ef%bc%89%e4%bb%8b%e7%bb%8d","status":"publish","type":"post","link":"https:\/\/www.hjkir.com\/industry\/3864.html","title":{"rendered":"\u7ea2\u5916\u56fe\u50cf\u6570\u5b57\u7ec6\u8282\u589e\u5f3a\uff08DDE\uff09\u4ecb\u7ecd"},"content":{"rendered":"<p>\u76ee\u524d\u7684\u7ea2\u5916\u70ed\u6210\u50cf\u7cfb\u7edf\u666e\u904d\u5b58\u5728\u8f93\u51fa\u56fe\u50cf\u76ee\u6807\u4e0e\u573a\u666f\u7ec6\u8282\u4e0d\u6e05\u6670\u73b0\u8c61\uff0c\u8fd9\u4e5f\u662f\u5236\u7ea6\u70ed\u6210\u50cf\u7cfb\u7edf\u6027\u80fd\u7684\u4e00\u5927\u4e0d\u8db3\uff0c\u4e5f\u662f\u56fd\u5185\u5916\u7814\u7a76\u4eba\u5458\u5173\u6ce8\u7684\u91cd\u8981\u95ee\u9898\u3002<\/p>\n<p>\u7ea2\u5916\u56fe\u50cf\u7684\u4e00\u5927\u7279\u70b9\u662f\u6709\u7740\u5f88\u9ad8\u7684\u52a8\u6001\u8303\u56f4\uff08\u5982\u5730\u9762\u4e0e\u5929\u7a7a\uff0c\u6e29\u5dee\u5f88\u5927\uff09\uff0c\u800c\u67d0\u4e9b\u76ee\u6807\u4e0e\u5176\u80cc\u666f\u6216\u8005\u76ee\u6807\u5c40\u90e8\u7684\u6e29\u5dee\u5374\u76f8\u5bf9\u8f83\u5c0f\u3002\u56e0\u6b64\u4e3a\u4e86\u80fd\u4ee5\u8db3\u591f\u9ad8\u7684\u7cbe\u5ea6\u6765\u91cf\u5316\u5927\u52a8\u6001\u8303\u56f4\u7684\u7ea2\u5916\u573a\u666f\uff0c\u9ad8\u6027\u80fd\u70ed\u6210\u50cf\u7cfb\u7edf\u901a\u5e38\u90fd\u91c7\u752814 bits\u6216\u66f4\u9ad8\u7cbe\u5ea6\u7684AD\u5bf9\u63a2\u6d4b\u5668\u8f93\u51fa\u4fe1\u53f7\u8fdb\u884c\u91c7\u6837\u548c\u91cf\u5316\u3002\u800c\u901a\u5e38\u7684\u663e\u793a\u8bbe\u5907\u53ea\u8981\u6c428 bits\u6570\u636e\u5bbd\u5ea6\uff0c\u6240\u4ee514 bits\u7684\u9ad8\u7cbe\u5ea6\u6570\u636e\u9700\u8981\u7ecf\u8fc7\u538b\u7f29\u5904\u7406\u3002\u4e8e\u662f\uff0c\u5982\u679c\u538b\u7f29\u65b9\u6cd5\u5904\u7406\u4e0d\u5f53\uff0c\u4f7f\u5f97\u672c\u6765\u63a2\u6d4b\u5230\u5927\u52a8\u6001\u56fe\u50cf\u7684\u4fe1\u606f\u5f97\u4e0d\u5230\u663e\u793a\uff0c\u5373\u5927\u52a8\u6001\u56fe\u50cf\u538b\u7f29\u53ef\u80fd\u4f1a\u9020\u6210\u539f\u6709\u4fe1\u606f\u4e22\u5931\uff0c\u5728\u663e\u793a\u56fe\u50cf\u4e2d\u8868\u73b0\u4e3a\u56fe\u50cf\u7ec6\u8282\u7684\u635f\u5931\u3002<\/p>\n<p>\u5bf9\u4e8e\u76ee\u524d\u5e38\u7528\u7684\u7ebf\u6027\u6620\u5c04\uff08\u5982AGC\uff0cAutomatic Gain Control\uff09\u6216\u8005\u975e\u7ebf\u6027\u6620\u5c04\uff08\u5982\u76f4\u65b9\u56fe\u5747\u8861\u3001gamma\u53d8\u6362\uff09\u7b49\u538b\u7f29\u65b9\u6cd5\uff0c\u7531\u4e8e\u5c0f\u76ee\u6807\u6216\u7269\u4f53\u5c40\u90e8\u7684\u56fe\u50cf\u5728\u6e29\u5dee\u6216\u8005\u50cf\u7d20\u6570\u76ee\u4e0a\u90fd\u4e0d\u5360\u4f18\u52bf\uff0c\u4f7f\u5f97\u8fd9\u4e9b\u65b9\u6cd5\u5728\u5927\u52a8\u6001\u56fe\u50cf\u7684\u538b\u7f29\u4e2d\u666e\u904d\u5b58\u5728\u7f3a\u9677\u3002<\/p>\n<p>\u8fd1\u51e0\u5e74\uff0c\u968f\u7740\u56fd\u5185\u5916\u5728\u8fd9\u4e00\u95ee\u9898\u4e0a\u7684\u6df1\u5165\u7814\u7a76\uff0c\u63d0\u51fa\u4e86\u4e00\u4e9b\u65b0\u7684\u601d\u8def\u548c\u7b97\u6cd5\u3002\u5176\u4e2d\uff0cDDE\uff08Digital Detail Enhancement\uff09\u6280\u672f\u4e3a\u89e3\u51b3\u8fd9\u4e00\u95ee\u9898\u63d0\u4f9b\u4e86\u4e00\u79cd\u65b0\u7684\u6280\u672f\u9014\u5f84\uff0cDDE \u662f\u4e00\u79cd\u9ad8\u7ea7\u975e\u7ebf\u6027\u56fe\u50cf\u5904\u7406\u7b97\u6cd5\uff0c\u5728\u7b97\u6cd5\u5904\u7406\u65f6\uff0c\u5148\u5229\u7528\u7279\u6b8a\u7684\u6ee4\u6ce2\u5668\u5c06\u56fe\u50cf\u7684\u80cc\u666f\u5c42\uff08\u4f4e\u9891\u90e8\u5206\uff09\u548c\u7ec6\u8282\u5c42\uff08\u9ad8\u9891\u90e8\u5206\uff09\u8fdb\u884c\u5206\u79bb\uff0c\u7136\u540e\u5206\u522b\u5bf9\u63d0\u53d6\u7684\u80cc\u666f\u5c42\u548c\u7ec6\u8282\u5c42\u8fdb\u884c\u76f8\u5e94\u7684\u7070\u5ea6\u589e\u5f3a\u548c\u566a\u58f0\u6291\u5236\u5904\u7406\uff0c\u518d\u8c03\u6574\u548c\u538b\u7f29\u5404\u56fe\u5c42\u7684\u52a8\u6001\u8303\u56f4\uff0c\u6700\u7ec8\u5408\u6210\u4e00\u5e458bits\u7684\u8f93\u51fa\u56fe\u50cf\uff0c\u8fd9\u6837\uff0c\u5c31\u53ef\u4ee5\u57288 bits\u8303\u56f4\u5185\u8868\u73b0\u51fa14 bits\u56fe\u50cf\u4e2d\u7684\u5927\u52a8\u6001\u6e29\u5dee\u4ee5\u53ca\u76ee\u6807\u5c40\u90e8\u7684\u7ec6\u8282\u4fe1\u606f\u3002<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-3883\" src=\"https:\/\/www.hjkir.com\/industry\/wp-content\/uploads\/2022\/05\/\u7ea2\u5916\u56fe\u50cf\u6570\u5b57\u7ec6\u8282\u589e\u5f3a\uff08DDE\uff09\u4ecb\u7ecd.png\" alt=\"\u7ea2\u5916\u56fe\u50cf\u6570\u5b57\u7ec6\u8282\u589e\u5f3a\uff08DDE\uff09\u4ecb\u7ecd\" width=\"547\" height=\"512\" srcset=\"https:\/\/www.hjkir.com\/industry\/wp-content\/uploads\/2022\/05\/\u7ea2\u5916\u56fe\u50cf\u6570\u5b57\u7ec6\u8282\u589e\u5f3a\uff08DDE\uff09\u4ecb\u7ecd.png 547w, https:\/\/www.hjkir.com\/industry\/wp-content\/uploads\/2022\/05\/\u7ea2\u5916\u56fe\u50cf\u6570\u5b57\u7ec6\u8282\u589e\u5f3a\uff08DDE\uff09\u4ecb\u7ecd-300x281.png 300w\" sizes=\"(max-width: 547px) 100vw, 547px\" \/><\/p>\n<p>\u5982\u4e0a\u56fe\u6240\u793a\uff0c\u76f8\u6bd4\u666e\u901a\u7684\u7ebf\u6027\u6620\u5c04\u53ca\u76f4\u65b9\u56fe\u5747\u8861\u7b97\u6cd5\uff0cDDE\u53ef\u4ee5\u5728\u4fdd\u7559\u52a8\u6001\u8303\u56f4\u7684\u524d\u63d0\u4e0b\uff0c\u6781\u5927\u7684\u589e\u5f3a\u56fe\u50cf\u7684\u7ec6\u8282\u3002\u56fe(a)\u4e2d\u4eba\u7684\u9762\u90e8\uff08\u4f4d\u7f6e 1\uff09\uff0c\u7535\u8def\u677f\uff08\u4f4d\u7f6e 3\uff09\u8fd9\u4e9b\u9ad8\u6e29\u7269\u4f53\u7684\u5c40\u90e8\u6e29\u5dee\u4e0d\u4ec5\u90fd\u5f97\u5230\u4e86\u4f53\u73b0\uff0c\u800c\u4e14\u53ef\u5728\u4f4d\u7f6e 2 \u4e0a\u53d1\u73b0\u70ed\u50cf\u81ea\u8eab\u8f90\u5c04\u5728\u73bb\u7483\u4e0a\u53cd\u5c04\u6240\u6210\u7684\u955c\u50cf\uff0c\u56fe(c)\u4e2d\u9ad8\u7089\u7684\u7089\u58c1\u4ee5\u53ca\u4e2d\u95f4\u7684\u71c3\u6599\u901a\u8fc7DDE\u589e\u5f3a\u540e\u4e5f\u6e05\u6670\u53ef\u89c1\u3002<\/p>\n<p>DDE\u7684\u672c\u8d28\u90fd\u662f\u4e3a\u4e86\u5c06\u5927\u52a8\u6001\u8303\u56f4\u7ea2\u5916\u56fe\u50cf\u4e2d\u7684\u4f4e\u5bf9\u6bd4\u5ea6\u76ee\u6807\u663e\u793a\u51fa\u6765\uff0c\u5177\u4f53\u7684\u5b9e\u73b0\u65b9\u6cd5\u5404\u6709\u4e0d\u540c\uff0c\u7b97\u6cd5\u7684\u6709\u6548\u6027\u548c\u5b9e\u65f6\u6027\u662f DDE \u6280\u672f\u5b9e\u7528\u5316\u7684\u5173\u952e\uff0c\u76ee\u524d\uff0c\u534e\u666f\u5eb7\u5149\u7535\u79d1\u6280\u5728\u8f6f\u786c\u4ef6\u5e73\u53f0\u5747\u5b9e\u73b0\u4e86\u81ea\u4e3b\u7684DDE\u7b97\u6cd5\uff0c\u5728\u589e\u5f3a\u7ea2\u5916\u56fe\u50cf\u7ec6\u8282\u7684\u540c\u65f6\u6291\u5236\u56fe\u50cf\u566a\u58f0\uff0c\u6211\u53f8\u63d0\u4f9b\u7684\u5ba2\u6237\u7aef\u8f6f\u4ef6\u53caSDK\u4e8c\u6b21\u5f00\u53d1\u5305\u5747\u652f\u6301DDE\u7b97\u6cd5\uff0c\u53ef\u4ee5\u5728\u5b9e\u9645\u5e94\u7528\u4e2d\u5927\u5e45\u63d0\u5347\u7ea2\u5916\u56fe\u50cf\u7684\u663e\u793a\u6548\u679c\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u76ee\u524d\u7684\u7ea2\u5916\u70ed\u6210\u50cf\u7cfb\u7edf\u666e\u904d\u5b58\u5728\u8f93\u51fa\u56fe\u50cf\u76ee\u6807\u4e0e\u573a\u666f\u7ec6\u8282\u4e0d\u6e05\u6670\u73b0\u8c61\uff0c\u8fd9\u4e5f\u662f\u5236\u7ea6\u70ed\u6210\u50cf\u7cfb\u7edf\u6027\u80fd\u7684\u4e00\u5927\u4e0d\u8db3\uff0c\u4e5f\u662f\u56fd\u5185\u5916\u7814 [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":4046,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[531],"tags":[533],"_links":{"self":[{"href":"https:\/\/www.hjkir.com\/industry\/wp-json\/wp\/v2\/posts\/3864"}],"collection":[{"href":"https:\/\/www.hjkir.com\/industry\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.hjkir.com\/industry\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.hjkir.com\/industry\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.hjkir.com\/industry\/wp-json\/wp\/v2\/comments?post=3864"}],"version-history":[{"count":3,"href":"https:\/\/www.hjkir.com\/industry\/wp-json\/wp\/v2\/posts\/3864\/revisions"}],"predecessor-version":[{"id":4051,"href":"https:\/\/www.hjkir.com\/industry\/wp-json\/wp\/v2\/posts\/3864\/revisions\/4051"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.hjkir.com\/industry\/wp-json\/wp\/v2\/media\/4046"}],"wp:attachment":[{"href":"https:\/\/www.hjkir.com\/industry\/wp-json\/wp\/v2\/media?parent=3864"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.hjkir.com\/industry\/wp-json\/wp\/v2\/categories?post=3864"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.hjkir.com\/industry\/wp-json\/wp\/v2\/tags?post=3864"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}