{"id":952,"date":"2026-07-11T16:33:16","date_gmt":"2026-07-11T16:33:16","guid":{"rendered":"https:\/\/boochlin.com\/?p=952"},"modified":"2026-07-11T16:33:16","modified_gmt":"2026-07-11T16:33:16","slug":"android-%e7%88%9b%e8%a3%9d%e7%bd%ae%e6%83%b3%e8%b7%91%e4%ba%ba%e8%87%89%e8%be%a8%e8%ad%988-yuv_420_888-%e9%82%84%e8%83%bd%e6%80%8e%e6%a8%a3%e5%8a%a0%e9%80%9f-qfastcv","status":"publish","type":"post","link":"https:\/\/boochlin.com\/?p=952","title":{"rendered":"Android \u721b\u88dd\u7f6e\u60f3\u8dd1\u4eba\u81c9\u8fa8\u8b588-YUV_420_888 \u9084\u80fd\u600e\u6a23\u52a0\u901f QFastCV"},"content":{"rendered":"\n<p>\u524d\u5e7e\u7bc7\u6211\u5011\u5728\u8ddf GC \u640f\u9b25\u3001\u8ddf\u8a18\u61b6\u9ad4\u7b97\u5e33\u3001\u8ddf CPU \u7684\u6307\u4ee4\u9031\u671f\u65a4\u65a4\u8a08\u8f03\u3002<\/p>\n\n\n\n<p>\u4eca\u5929\u63db\u500b\u6230\u5834\uff1a<strong>\u5728\u8cc7\u6599\u9032 AI \u4e4b\u524d\uff0cYUV_420_888<\/strong> to <strong>RGB \u662f\u660e\u986f\u53ef\u4ee5\u62fc\u770b\u770b\u52a0\u901f\u7684\u90e8\u5206\u3002<\/strong><\/p>\n\n\n\n<p>\u5728\u6211\u5011\u7684\u7834\u677f\u5b50\u4e0a\uff0c\u5b83\u5403\u6389\u4e86\u5c07\u8fd1\u4e00\u5e40\u7684\u9810\u7b97\u3002\u76f4\u5230\u6211\u82b1\u4e86\u9ede\u6642\u9593\u53bb\u7406\u89e3\u70ba\u4ec0\u9ebc\u76f8\u6a5f\u8981\u5410\u90a3\u7a2e\u683c\u5f0f\u7684\u8cc7\u6599\uff0c\u624d\u77e5\u9053\u9019\u4e0d\u662f Android \u7684\u934b\uff0c<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"user-content-\u4eba\u773c\u5c0d\u984f\u8272\u662f\u778e\u5b50\u6240\u4ee5-yuv-\u5c31\u9019\u6a23\u8a95\u751f\u4e86\">\u4eba\u773c\u5c0d\u984f\u8272\u662f\u778e\u5b50\uff0c\u6240\u4ee5 YUV \u5c31\u9019\u6a23\u8a95\u751f\u4e86<\/h2>\n\n\n\n<p><code>YUV_420_888<\/code>&nbsp;\u9019\u500b\u683c\u5f0f\uff0c\u6839\u6e90\u5728\u65bc\u4eba\u773c\u7684\u751f\u7406\u7f3a\u9677\u3002<\/p>\n\n\n\n<p>\u4eba\u773c\u611f\u77e5\u4eae\u5ea6\u7684\u7d30\u80de\u6709 1.2 \u5104\u500b\uff0c\u611f\u77e5\u984f\u8272\u7684\u53ea\u6709 600 \u842c\u500b\u3002\u4e5f\u5c31\u662f\u8aaa\uff0c\u4f60\u5c0d\u300c\u4eae\u4e0d\u4eae\u300d\u6975\u5ea6\u654f\u611f\uff0c\u4f46\u5c0d\u300c\u4ec0\u9ebc\u984f\u8272\u300d\u5176\u5be6\u6c92\u90a3\u9ebc\u5728\u610f\u3002<\/p>\n\n\n\n<p>YUV \u5c31\u662f\u9760\u9019\u500b\u8a2d\u8a08\u7684\uff1a<\/p>\n\n\n\n<ul>\n<li><strong>Y\uff08\u4eae\u5ea6\uff09<\/strong>\uff1a\u6bcf\u500b pixel \u90fd\u5b58\uff0c\u4e00\u500b\u90fd\u4e0d\u80fd\u5c11\u3002<\/li>\n\n\n\n<li><strong>U\u3001V\uff08\u8272\u5ea6\uff09<\/strong>\uff1a\u4eba\u773c\u611f\u89ba\u4e0d\u592a\u51fa\u4f86\uff0c\u90a3&nbsp;2\u00d722\u00d72&nbsp;\u7684\u56db\u500b pixel \u5171\u7528\u4e00\u4efd\u5c31\u5920\u4e86\u3002<\/li>\n<\/ul>\n\n\n\n<p>\u9019\u6a23\u540c\u6a23 4 \u500b pixel\uff0cRGB \u8981 12 bytes\uff0cYUV 420 \u53ea\u8981 6 bytes\u3002<strong>\u7701\u4e00\u534a\uff0c\u4eba\u773c\u5e7e\u4e4e\u770b\u4e0d\u51fa\u5dee\u7570\u3002<\/strong>&nbsp;\u9019\u5c31\u662f\u70ba\u4ec0\u9ebc\u6240\u6709\u76f8\u6a5f\u3001\u8996\u8a0a\u7de8\u78bc\u90fd\u5728\u7528\u9019\u500b\u683c\u5f0f\u2014\u2014\u5b83\u5728\u756b\u8cea\u548c\u983b\u5bec\u4e4b\u9593\u627e\u5230\u4e86\u4e00\u500b\u5229\u7528\u4eba\u9ad4\u7f3a\u9677\u7684\u751c\u871c\u9ede\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"user-content-uv-\u70ba\u4ec0\u9ebc\u662f\u4ea4\u932f\u5b58\u7684semi-planar-\u7684\u7531\u4f86\">UV \u70ba\u4ec0\u9ebc\u662f\u4ea4\u932f\u5b58\u7684\uff1f\uff08Semi-Planar \u7684\u7531\u4f86\uff09<\/h2>\n\n\n\n<p>\u4f60\u5f9e\u76f8\u6a5f\u62ff\u5230\u7684 YUV \u8cc7\u6599\uff0cUV \u7684\u90e8\u5206\u9577\u9019\u6a23\uff1a<\/p>\n\n\n<div class=\"wp-block-syntaxhighlighter-code \"><pre class=\"brush: plain; title: ; notranslate\" title=\"\">\n&#x5B;YYYYYYY...]&#x5B;U0 V0 U1 V1 U2 V2 ...]\n<\/pre><\/div>\n\n\n<p>U \u548c V \u4ea4\u932f\u5728\u4e00\u8d77\uff0c\u800c\u4e0d\u662f\u5206\u958b\u5b58\u3002\u9019\u53eb&nbsp;<strong>Semi-Planar\uff08NV21\uff09<\/strong>\u3002<\/p>\n\n\n\n<p>\u70ba\u4ec0\u9ebc\u4e0d\u4e7e\u8106\u628a U \u548c V \u5206\u958b\uff1f\uff08\u4e5f\u5c31\u662f Planar \u683c\u5f0f\uff09<\/p>\n\n\n\n<p><strong>\u56e0\u70ba\u786c\u9ad4\u5de5\u7a0b\u5e2b\u8981\u7701\u9322\u3002<\/strong><\/p>\n\n\n\n<p>\u76f8\u6a5f\u88e1\u7684 ISP \u6709\u4e00\u500b DMA \u5f15\u64ce\u8ca0\u8cac\u628a\u50cf\u7d20\u642c\u5230\u8a18\u61b6\u9ad4\uff0c\u904b\u4f5c\u65b9\u5f0f\u5c31\u50cf\u6383\u63cf\u6a5f\uff0c\u5f9e\u7b2c 0 \u884c\u6383\u5230\u6700\u5f8c\u4e00\u884c\u3002\u6383\u5b8c\u6bcf\u5169\u884c Y\uff0c\u5c0d\u61c9\u7684 U \u548c V \u525b\u597d\u4e5f\u6e96\u5099\u597d\u4e86\u3002<\/p>\n\n\n\n<ul>\n<li>\u9078&nbsp;<strong>Semi-Planar<\/strong>\uff1aU \u548c V \u6e96\u5099\u597d\u4e86\u5c31\u76f4\u63a5\u4ea4\u932f\u585e\uff0c\u908f\u8f2f\u8d85\u7c21\u55ae\uff0c\u96fb\u8def\u4fbf\u5b9c\u3002<\/li>\n\n\n\n<li>\u9078&nbsp;<strong>Planar<\/strong>\uff1a\u8981\u5148\u628a U \u548c V \u66ab\u5b58\u8d77\u4f86\uff0c\u7b49 Y \u5168\u90e8\u5beb\u5b8c\u518d\u5206\u6279\u5beb\uff0c\u9700\u8981\u984d\u5916 Buffer \u548c\u8907\u96dc\u6392\u7a0b\uff0c\u96fb\u8def\u9762\u7a4d\u8cb4\u5f88\u591a\u3002<\/li>\n<\/ul>\n\n\n\n<p>\u5e7e\u5341\u5e74\u524d\u7684\u5de5\u7a0b\u5e2b\u5728\u77fd\u6676\u7247\u6210\u672c\u7684\u58d3\u529b\u4e0b\uff0c\u9078\u4e86\u6700\u4fbf\u5b9c\u80fd\u52d5\u7684\u65b9\u6848\uff0c\u7136\u5f8c\u9019\u500b\u9078\u64c7\u5c31\u9019\u6a23\u6cbf\u7528\u81f3\u4eca\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"user-content-\u70ba\u4ec0\u9ebc\u9084\u6709\u591a\u9918\u7684\u5783\u573e-byterow-stride-\u7684\u7269\u7406\u6839\u6e90\">\u70ba\u4ec0\u9ebc\u9084\u6709\u591a\u9918\u7684\u5783\u573e byte\uff1f\uff08Row Stride \u7684\u7269\u7406\u6839\u6e90\uff09<\/h2>\n\n\n\n<p>\u4f60\u7684 RGB \u76f8\u6a5f\u89e3\u6790\u5ea6\u662f 800 \u00d7 600\u3002\u4f46\u5be6\u969b\u4e0a\u6bcf\u884c\u5728\u8a18\u61b6\u9ad4\u88e1\u4f54\u4e86 832 bytes\uff0c\u4e0d\u662f 800\u3002\u591a\u51fa\u4f86\u7684 32 bytes \u662f\u5783\u573e\u3002<\/p>\n\n\n\n<p>\u9019\u53eb&nbsp;<strong>Row Stride<\/strong>\uff0c\u662f\u8a18\u61b6\u9ad4\u5c0d\u9f4a\u9020\u6210\u7684\u3002<\/p>\n\n\n\n<p>CPU \u8ddf\u8a18\u61b6\u9ad4\u4e4b\u9593\u7684\u532f\u6d41\u6392\u4e00\u6b21\u642c 64 bytes\uff0c\u800c\u4e14\u8981\u6c42\u6bcf\u6b21\u642c\u7684\u8d77\u59cb\u4f4d\u5740\u5fc5\u9808\u662f 64 \u7684\u500d\u6578\u3002800 \u4e0d\u662f 64 \u7684\u500d\u6578\uff0c\u6240\u4ee5\u786c\u9ad4\u628a\u6bcf\u884c\u88dc\u5230 832\uff08\u525b\u597d\u6574\u9664\uff09\uff0c\u78ba\u4fdd\u6bcf\u884c\u7684\u8d77\u982d\u6c38\u9060\u5c0d\u9f4a\u3002\u9019\u8b93 DMA \u6548\u7387\u6700\u9ad8\uff0c\u4ee3\u50f9\u662f\u6bcf\u884c\u672b\u5c3e\u7559\u4e86\u4e00\u5806\u5783\u573e byte \u8b93\u4f60\u81ea\u5df1\u6e05\u3002<\/p>\n\n\n\n<p>\u4e0d\u540c\u5ee0\u5546\u7684 ISP \u5c0d\u9f4a\u7684\u500d\u6578\u4e0d\u540c\uff0816\u300132\u300164 \u90fd\u6709\uff09\uff0c\u6240\u4ee5\u4e0d\u540c\u76f8\u6a5f\u7684 Stride \u4e0d\u4e00\u6a23\uff0c\u4f60\u6c92\u8fa6\u6cd5\u4e8b\u5148\u9810\u6e2c\uff0c\u53ea\u80fd\u6bcf\u5e40\u554f&nbsp;<code>getRowStride()<\/code>&nbsp;\u770b\u770b\u4eca\u5929\u6709\u6c92\u6709 Padding\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"user-content-\u6240\u4ee5\u5728\u9001\u9032-ai-\u4e4b\u524d\u4f60\u5f97\u505a\u5169\u4ef6\u4e8b\">\u6240\u4ee5\u5728\u9001\u9032 AI \u4e4b\u524d\uff0c\u4f60\u5f97\u505a\u5169\u4ef6\u4e8b<\/h2>\n\n\n\n<p>\u4f60\u6536\u5230\u7684\u8cc7\u6599\u9577\u9019\u6a23\uff1a<\/p>\n\n\n\n<p>\u884c 0: [800 bytes \u6709\u6548 Y] [32 bytes \u5783\u573e]<\/p>\n\n\n\n<p>\u884c 1: [800 bytes \u6709\u6548 Y] [32 bytes \u5783\u573e]<\/p>\n\n\n\n<p>&#8230;\uff08\u5171 600 \u884c\uff09<\/p>\n\n\n\n<p>UV: [U0 V0 U1 V1 U2 V2 &#8230;]\uff08\u4ea4\u932f\u653e\u5728\u4e00\u8d77\uff09<\/p>\n\n\n\n<ol>\n<li><strong>\u53bb Padding<\/strong>\uff1a\u628a\u6bcf\u884c\u672b\u5c3e\u7684\u5783\u573e\u6311\u6389\u3002<\/li>\n\n\n\n<li><strong>\u62c6 UV<\/strong>\uff1a\u628a\u4ea4\u932f\u7684 UVUV \u62c6\u6210\u5206\u958b\u7684 UUU&#8230; \u548c VVV&#8230;\uff08Semi-Planar \u2192 Planar\uff09\u3002<\/li>\n<\/ol>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"user-content-\u539f\u672c\u600e\u9ebc\u505a\u7684\u7d14-java-\u82e6\u5de5\">\u539f\u672c\u600e\u9ebc\u505a\u7684\uff1a\u7d14 Java \u82e6\u5de5<\/h2>\n\n\n\n<p>\u63db FastCV \u4e4b\u524d\uff0c\u5099\u7528\u8def\u5f91\u662f\u9019\u6a23\u7684\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>\/\/ \u6709 Padding \u5c31\u9032\u9019\u500b\u5730\u7344\nfor (int row = 0; row &lt; height \/ 2; row++) {\n    for (int col = 0; col &lt; width \/ 2; col++) {\n        int vuPos = col * pixelStride + row * rowStride;\n        nv21&#91;pos++] = vBuffer.get(vuPos); \/\/ \u64bf\u4e00\u500b V\n        nv21&#91;pos++] = uBuffer.get(vuPos); \/\/ \u64bf\u4e00\u500b U\n    }\n}<\/code><\/pre>\n\n\n\n<p>800 \u00d7 600 \u7684 UV \u90e8\u5206\uff1a400\u00d7300\u00d72=24&nbsp;\u842c\u6b21400\u00d7300\u00d72=<strong>24&nbsp;<\/strong><strong>\u842c\u6b21<\/strong>\u9663\u5217\u5b58\u53d6\u3002Java \u865b\u64ec\u6a5f\u6bcf\u6b21&nbsp;<code>get()<\/code>&nbsp;\u90fd\u5077\u5077\u505a\u908a\u754c\u6aa2\u67e5\uff0c\u7b49\u65bc CPU \u88ab\u5f37\u8feb\u505a\u4e86 24 \u842c\u6b21\u7121\u610f\u7fa9\u7684\u5b89\u5168\u78ba\u8a8d\u3002<\/p>\n\n\n\n<p><strong>\u4ee3\u50f9\uff1a\u4e00\u5f35\u5716 5~15 \u6beb\u79d2\u3002<\/strong><\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"user-content-\u63db\u6210-qfastcv\u4e00\u884c\u641e\u5b9a\">\u63db\u6210 QFastCV\uff1a\u4e00\u884c\u641e\u5b9a<\/h2>\n\n\n\n<pre class=\"wp-block-code\"><code>\/\/ Y \u548c UV \u5148\u642c\u5230\u9810\u5206\u914d\u7684\u5de5\u4f5c\u53f0\uff08\u53ea new \u4e00\u6b21\uff0c\u6bcf\u5e40\u91cd\u8907\u7528\uff09\nbyteBuffer0.get(bufferY, 0, yuvPlane0Size);\nbyteBuffer1.get(bufferU, 0, yuvPlane1Size);\n\n\/\/ \ud83d\ude80 \u53bb Padding + \u62c6 UV\uff0c\u4e00\u8d77\u641e\u5b9a\nresult = QFastCV.yuv420SPToYuv420P(\n    bufferY, bufferU,\n    CAM_RGB_WIDTH, CAM_RGB_HEIGHT,         \/\/ 800 \u00d7 600\n    image.getPlanes()&#91;0].getRowStride(),    \/\/ \u6709\u591a\u5c11 Padding \u81ea\u5df1\u770b\u8457\u8fa6\n    image.getPlanes()&#91;1].getRowStride(),\n    dstY, dstU, dstV,\n    0, 0, 0\n);<\/code><\/pre>\n\n\n\n<p><strong>\u4ee3\u50f9\uff1a&lt; 1 \u6beb\u79d2\u3002<\/strong><\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"user-content-\u5b83\u6191\u4ec0\u9ebc\u9019\u9ebc\u5feb\">\u5b83\u6191\u4ec0\u9ebc\u9019\u9ebc\u5feb\uff1f<\/h3>\n\n\n\n<p><strong>\u2460 \u6c92\u6709 JVM \u908a\u754c\u6aa2\u67e5<\/strong>\uff1a\u5e95\u5c64 C\/C++ \u76f4\u63a5\u64cd\u4f5c\u8a18\u61b6\u9ad4\u6307\u6a19\uff0c\u90a3 24 \u842c\u6b21\u5b89\u5168\u78ba\u8a8d\u76f4\u63a5\u6b78\u96f6\u3002<\/p>\n\n\n\n<p><strong>\u2461 VLD2 \u786c\u9ad4\u6307\u4ee4<\/strong>\uff1aARM NEON \u6709\u4e00\u500b\u5c08\u9580\u70ba\u62c6\u4ea4\u932f\u8cc7\u6599\u8a2d\u8a08\u7684\u6307\u4ee4\u53eb&nbsp;<code>VLD2<\/code>\u3002\u4e00\u500b\u6307\u4ee4\u5f9e\u8a18\u61b6\u9ad4\u8b80 16 bytes \u7684&nbsp;<code>UVUVUV...<\/code>\uff0c\u786c\u9ad4\u96fb\u8def\u5728\u4e00\u500b\u6642\u8108\u9031\u671f\u5167\u76f4\u63a5\u62c6\u6210 8 \u500b U \u548c 8 \u500b V\u3002Java \u8981\u8dd1 16 \u6b21\u8ff4\u5708\uff0cNEON \u7528\u4e00\u500b\u6307\u4ee4\u6536\u5de5\u3002<\/p>\n\n\n\n<p><strong>\u2462 Hexagon DSP<\/strong>\uff1a\u9ad8\u901a\u6676\u7247\u88e1\u6709\u4e00\u9846\u5c08\u9580\u8655\u7406\u300c\u5927\u91cf\u642c\u904b + \u7c21\u55ae\u8b8a\u63db\u300d\u7684\u6578\u4f4d\u8a0a\u865f\u8655\u7406\u5668\u3002FastCV \u662f\u9ad8\u901a\u539f\u5ee0\u5beb\u7684\uff0c\u53ef\u4ee5\u76f4\u63a5\u53eb\u5b83\u51fa\u4f86\u5e79\u6d3b\uff0cCPU \u5e7e\u4e4e\u4e0d\u7528\u52d5\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"user-content-\u4e09\u8def\u76f8\u6a5f\u8ab0\u53d7\u76ca\">\u4e09\u8def\u76f8\u6a5f\uff0c\u8ab0\u53d7\u76ca\uff1f<\/h2>\n\n\n\n<p>\u9019\u5957\u908f\u8f2f\u53ea\u5c0d RGB \u76f8\u6a5f\u6709\u7528\uff0c\u56e0\u70ba\u53ea\u6709\u5b83\u662f YUV \u683c\u5f0f\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table><thead><tr><th>\u76f8\u6a5f<\/th><th>\u89e3\u6790\u5ea6<\/th><th>\u683c\u5f0f<\/th><th>FastCV \u6709\u5e6b\u5230<\/th><\/tr><\/thead><tbody><tr><td><strong>RGB<\/strong><\/td><td>800\u00d7600<\/td><td>YUV_420_888<\/td><td>\u53d7\u76ca<\/td><\/tr><tr><td><strong>TOF<\/strong><\/td><td>640\u00d71920<\/td><td>RAW_SENSOR\uff08\u76f4\u63a5\u6574\u5305\u642c\uff09<\/td><td>\u7121\u95dc<\/td><\/tr><tr><td><strong>IR<\/strong><\/td><td>480\u00d7640<\/td><td>\u7070\u968e\uff08\u5f9e TOF RAW \u89e3\u6790\u51fa\u4f86\uff09<\/td><td>\u7121\u95dc<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p>TOF \u662f\u6df1\u5ea6\u539f\u59cb\u8cc7\u6599\uff0c\u6c92\u6709\u984f\u8272\uff0c\u6c92\u6709 UV\uff0c\u9023 Padding \u554f\u984c\u90fd\u6c92\u6709\uff0c\u4e00\u884c&nbsp;<code>byteBuffer.get(buffer)<\/code>&nbsp;\u6574\u5305\u642c\u8d70\u5c31\u5b8c\u4e8b\u4e86\u3002IR \u662f\u7070\u968e\uff0c\u6bcf\u500b pixel \u53ea\u6709 1 byte\uff0c\u540c\u6a23\u6c92\u6709\u9019\u4e9b\u7834\u4e8b\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"user-content-\u7d50\u8a9e\">\u7d50\u8a9e<\/h2>\n\n\n\n<p><code>YUV_420_888<\/code>\u3001Semi-Planar\u3001Row Stride\u2014\u2014\u9019\u4e09\u500b\u6771\u897f\u8ffd\u6839\u7a76\u5e95\uff0c\u90fd\u662f\u5e7e\u5341\u5e74\u524d\u7684\u786c\u9ad4\u5de5\u7a0b\u5e2b\u5728\u6709\u9650\u7684\u77fd\u6676\u7247\u9762\u7a4d\u548c\u8a18\u61b6\u9ad4\u983b\u5bec\u58d3\u529b\u4e0b\uff0c\u505a\u51fa\u7684\u6700\u52d9\u5be6\u9078\u64c7\u3002<\/p>\n\n\n\n<p>\u4f60\u4e0d\u7406\u89e3\u9019\u4e9b\uff0c\u5c31\u770b\u4e0d\u61c2\u70ba\u4ec0\u9ebc\u4e00\u500b\u300c\u683c\u5f0f\u8f49\u63db\u300d\u80fd\u5403\u6389 15ms\u3002\u641e\u61c2\u6574\u689d\u56e0\u679c\u93c8\u4e4b\u5f8c\uff0c\u624d\u77e5\u9053\u8a72\u5728\u54ea\u88e1\u4e0b\u5200\u2014\u2014\u628a Java \u82e6\u5de5\u63db\u6210 FastCV\uff0c\u8b93\u9ad8\u901a\u539f\u5ee0\u7684 DSP \u7528\u4e00\u500b\u786c\u9ad4\u6307\u4ee4\u505a\u6389 Java \u8981\u8dd1 16 \u6b21\u8ff4\u5708\u7684\u4e8b\u3002<\/p>\n\n\n\n<p>\u5728\u721b\u88dd\u7f6e\u4e0a\uff0c\u6c92\u6709\u4e0d\u91cd\u8981\u7684\u74b0\u7bc0\u3002\u6bcf\u500b\u4f60\u4ee5\u70ba\u300c\u61c9\u8a72\u5f88\u5feb\u300d\u7684\u5730\u65b9\uff0c\u90fd\u6709\u53ef\u80fd\u85cf\u8457\u4e00\u628a\u5200\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u524d\u5e7e\u7bc7\u6211\u5011\u5728\u8ddf GC \u640f\u9b25\u3001\u8ddf\u8a18\u61b6\u9ad4\u7b97\u5e33\u3001\u8ddf CPU \u7684\u6307\u4ee4\u9031\u671f\u65a4\u65a4\u8a08\u8f03\u3002<\/p>\n<p>\u4eca\u5929\u63db\u500b\u6230\u5834\uff1a\u5728\u8cc7\u6599\u9032 AI \u4e4b\u524d\uff0cYUV_420_888 to RGB \u662f\u660e\u986f\u53ef\u4ee5\u62fc\u770b\u770b\u52a0\u901f\u7684\u90e8\u5206\u3002<\/p>\n<p>\u5728\u6211\u5011\u7684\u7834\u677f\u5b50\u4e0a\uff0c\u5b83\u5403\u6389\u4e86\u5c07\u8fd1\u4e00\u5e40\u7684\u9810\u7b97\u3002\u76f4\u5230\u6211\u82b1\u4e86\u9ede\u6642\u9593\u53bb\u7406\u89e3\u70ba\u4ec0\u9ebc\u76f8\u6a5f\u8981\u5410\u90a3\u7a2e\u683c\u5f0f\u7684\u8cc7\u6599\uff0c\u624d\u77e5\u9053\u9019\u4e0d\u662f Android \u7684\u934b\uff0c<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[50,3,80],"tags":[],"_links":{"self":[{"href":"https:\/\/boochlin.com\/index.php?rest_route=\/wp\/v2\/posts\/952"}],"collection":[{"href":"https:\/\/boochlin.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/boochlin.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/boochlin.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/boochlin.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=952"}],"version-history":[{"count":3,"href":"https:\/\/boochlin.com\/index.php?rest_route=\/wp\/v2\/posts\/952\/revisions"}],"predecessor-version":[{"id":955,"href":"https:\/\/boochlin.com\/index.php?rest_route=\/wp\/v2\/posts\/952\/revisions\/955"}],"wp:attachment":[{"href":"https:\/\/boochlin.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=952"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/boochlin.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=952"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/boochlin.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=952"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}