{"id":742,"date":"2024-08-14T08:00:52","date_gmt":"2024-08-14T00:00:52","guid":{"rendered":"https:\/\/www.zhoubin.asia\/?p=742"},"modified":"2024-08-13T17:28:14","modified_gmt":"2024-08-13T09:28:14","slug":"yolov8_inference","status":"publish","type":"post","link":"https:\/\/www.zhoubin.asia\/index.php\/2024\/08\/14\/yolov8_inference\/","title":{"rendered":"YOLOv8\u6a21\u578b\u7684Hailo\u91cf\u5316\u4ee5\u53ca\u63a8\u7406"},"content":{"rendered":"<p>&nbsp;<\/p>\n<div class=\"container\">\n<article>\n<h2>1. YOLOv8\u6a21\u578b\u7684\u6a21\u578b\u8f6c\u6362<\/h2>\n<h3>a. \u6a21\u578b\u8f6c\u6362\u7b2c\u4e00\u6b65:Parser<\/h3>\n<p>\u5982\u4f55\u9009\u53d6\u6a21\u578b\u7684end node\u3002\u9700\u8981\u6ce8\u610f\u7684\u662f\uff0cHailo\u6bd4\u8f83\u64c5\u957f\u7684\u662fAI\u63a8\u7406\u90e8\u5206\uff0c\u5176\u5b9e\u5bf9\u540e\u5904\u7406\u65b9\u9762,\u7279\u522b\u662fNMS\u90e8\u5206\uff0c\u6ca1\u6709\u90a3\u4e48\u64c5\u957f\u3002\u5bf9\u4e8eYOLOv8\u6a21\u578b\u7684\u540e\u5904\u7406\u90e8\u5206\uff0c\u53ef\u80fd\u4e0d\u80fd\u652f\u6301\u5230\u6bd4\u8f83\u5e38\u89c1\u7684\u6a21\u578bconcat\u8282\u70b9\uff08\/model.22\/Concat_5\uff09\u3002\u6211\u4eec\u63a8\u8350\u4f7f\u7528model zoo\u91cc\u9762\u63d0\u5230\u7684\u8282\u70b9\uff1a<\/p>\n<ul>\n<li>\/model.22\/cv2.0\/cv2.0.2\/Conv<\/li>\n<li>\/model.22\/cv3.0\/cv3.0.2\/Conv<\/li>\n<li>\/model.22\/cv2.1\/cv2.1.2\/Conv<\/li>\n<li>\/model.22\/cv3.1\/cv3.1.2\/Conv<\/li>\n<li>\/model.22\/cv2.2\/cv2.2.2\/Conv<\/li>\n<li>\/model.22\/cv3.2\/cv3.2.2\/Conv<\/li>\n<\/ul>\n<p>\u53c2\u8003\u94fe\u63a5: <a href=\"https:\/\/github.com\/hailo-ai\/hailo_model_zoo\/blob\/master\/hailo_model_zoo\/cfg\/networks\/yolov8s.yaml\">YOLOv8s YAML\u914d\u7f6e<\/a><br \/>\n\u5982\u56fe\u4e2d\u84dd\u8272\u90e8\u5206\uff08\u5176\u4e2d\u4e24\u4e2a\u8282\u70b9\uff09<br \/>\n<img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-743\" src=\"https:\/\/www.zhoubin.asia\/wp-content\/uploads\/2024\/08\/yolov8_node.png\" alt=\"\" width=\"176\" height=\"270\" \/><\/p>\n<h3>b. \u6a21\u578b\u8f6c\u6362\u7b2c\u4e8c\u6b65\uff1aoptimization\uff08\u91cf\u5316\u65f6\u4f7f\u7528\u7684\u811a\u672calls\uff09<\/h3>\n<p>\u53ef\u4ee5\u53c2\u8003 <a href=\"https:\/\/github.com\/hailo-ai\/hailo_model_zoo\/blob\/master\/hailo_model_zoo\/cfg\/alls\/generic\/yolov8s.alls\">YOLOv8s \u91cf\u5316\u811a\u672c<\/a>\uff1a<\/p>\n<pre><code>normalization1 = normalization([0.0, 0.0, 0.0], [255.0, 255.0, 255.0])\r\nchange_output_activation(conv42, sigmoid)\r\nchange_output_activation(conv53, sigmoid)\r\nchange_output_activation(conv63, sigmoid)\r\nnms_postprocess(\"..\/..\/postprocess_config\/yolov8s_nms_config.json\", meta_arch=yolov8, engine=cpu)<\/code><\/pre>\n<p>\u7b2c\u4e00\u884c\u4e3a\u6b63\u5e38\u7684\u5c06\u5f52\u4e00\u5316\u653e\u5728Hailo\u8fdb\u884c\u5904\u7406\u3002<\/p>\n<p>\u7b2c\u4e8c\u5230\u7b2c\u56db\u884c\u4e3a\u5728\u8282\u70b9\u672b\u5c3e\u589e\u52a0sigmoid\u3002<\/p>\n<p><strong>\u589e\u52a0sigmoid\u7684\u539f\u56e0<\/strong>\u662f\u7c7b\u4f3cYOLOv5\u7684\u6a21\u578b\uff0c\u5bf9\u4e8e\u7c7b\u522b\u7684score\uff0c\u9700\u8981\u8fdb\u884csigmoid\u8fd0\u7b97\uff0c\u53ef\u4ee5\u5c06\u8fd9\u90e8\u5206\u653e\u5230Hailo\u4e2d\u8fdb\u884c\u3002\u5982\u56fe1\u4e2d\u7684\u7ea2\u8272\u6846\u90e8\u5206\u3002<\/p>\n<p><strong>\u5982\u4f55\u786e\u5b9a <code>conv42<\/code>, <code>conv53<\/code>, <code>conv63<\/code> \u8fd9\u4e09\u4e2a\u8282\u70b9\u800c\u4e0d\u662f\u5176\u4ed6\u8282\u70b9<\/strong>:<\/p>\n<p>\u5728\u7b2c\u4e00\u6b65parser\u4ee5\u540e\uff0c\u53ef\u4ee5\u901a\u8fc7DFC\u547d\u4ee4\uff1a<code>hailo visualizer yolov8s.har<\/code> \u5f97\u5230\u7b2c\u4e00\u6b65\u89e3\u6790\u540e\u6a21\u578b\u7684\u67b6\u6784\u56fe: <a href=\"yolov8s.svg\">yolov8s.svg<\/a>\u3002\u56e0\u4e3a\u6211\u4eec\u7684end node\u662f6\u4e2a\u8282\u70b9\uff0c\u6240\u4ee5\u5e94\u8be5\u67096\u4e2aoutput_layer\uff0c\u6ce8\u610f\u67e5\u770bclass\u7c7b\u522b\u7684output_layer\u4e0a\u4e00\u4e2aconv\uff08\u6211\u8fd9\u91cc\u4f7f\u7528\u7684\u662fCOCO\u6807\u51c680\u4e2a\u7c7b\u522b\u7684\u6a21\u578b\uff09\u3002<br \/>\n<img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-744\" src=\"https:\/\/www.zhoubin.asia\/wp-content\/uploads\/2024\/08\/yolov8_output.png\" alt=\"\" width=\"935\" height=\"188\" \/><\/p>\n<p>\u7b2c5\u884c\u662f\u540e\u5904\u7406\u811a\u672c\uff0c\u4f7f\u7528\u7684\u662fmodel zoo\u91cc\u9762\u7684 <a href=\"https:\/\/github.com\/hailo-ai\/hailo_model_zoo\/blob\/master\/hailo_model_zoo\/cfg\/postprocess_config\/yolov8s_nms_config.json\">yolov8s_nms_config.json<\/a> \u811a\u672c\u3002\u8fd9\u662f\u4e3a\u4e86\u5ba2\u6237\u505aYOLOv8\u7684\u540e\u5904\u7406\uff0cHailo\u5c06\u8fd9\u90e8\u5206\u540e\u5904\u7406\u5c01\u88c5\u5728Hailort\u7684API\u4e2d\uff0c\u53ea\u9700\u8981\u5728\u7f16\u8bd1\u6a21\u578b\u7684\u65f6\u5019\u52a0\u4e0a\u7b2c5\u884c\uff0c\u5728Hailort\u63a8\u7406\u7684\u65f6\u5019\uff0cHailort\u7684SDK\u4f1a\u81ea\u884c\u5728host\u7aef\u8fd0\u884c\u5fc5\u8981\u7684\u540e\u5904\u7406\u7a0b\u5e8f\uff0c\u65b9\u4fbf\u5ba2\u6237\u76f4\u63a5\u5f97\u5230NMS\u540e\u7684\u8f93\u51fa\u7ed3\u679c\u3002\u7279\u522b\u6ce8\u610f\u9488\u5bf9\u81ea\u5df1\u7684\u6a21\u578b\u4fee\u6539\u6587\u4ef6 <code>yolov8s_nms_config.json<\/code>\u3002<\/p>\n<pre><code>{\r\n    \"nms_scores_th\": 0.2,\r\n    \"nms_iou_th\": 0.7,\r\n    \"image_dims\": [\r\n        640,\r\n        640\r\n    ],\r\n    \"max_proposals_per_class\": 100,\r\n    \"classes\": 80,\r\n    \"regression_length\": 16,\r\n    \"background_removal\": false,\r\n    \"background_removal_index\": 0,\r\n    \"bbox_decoders\": [\r\n        {\r\n            \"name\": \"bbox_decoder41\",\r\n            \"stride\": 8,\r\n            \"reg_layer\": \"conv41\",\r\n            \"cls_layer\": \"conv42\"\r\n        },\r\n        {\r\n            \"name\": \"bbox_decoder52\",\r\n            \"stride\": 16,\r\n            \"reg_layer\": \"conv52\",\r\n            \"cls_layer\": \"conv53\"\r\n        },\r\n        {\r\n            \"name\": \"bbox_decoder62\",\r\n            \"stride\": 32,\r\n            \"reg_layer\": \"conv62\",\r\n            \"cls_layer\": \"conv63\"\r\n        }\r\n    ]\r\n}<\/code><\/pre>\n<p>\u7279\u522b\u8981\u6ce8\u610f\u8fd9\u91cc\u7684 <code>class num<\/code> \u4ee5\u53ca\u4e0d\u540c\u7684\u8282\u70b9\u7684\u66ff\u6362\uff08\u7279\u522b\u662f\u81ea\u884c\u8bad\u7ec3\u6216\u8005\u7565\u5fae\u4fee\u6539\u7684YOLOv8\u6a21\u578b\uff09\u3002<br \/>\n<code>reg_layer<\/code> \u5bf9\u5e94\u7684\u5c31\u662f <code>image_dims \/ stride<\/code> \u7684regression. \u4f8b\u5982\uff1a20x20x64 \/ 40x40x64 \/ 80x80x64\u3002<\/p>\n<h3>c. \u6a21\u578b\u8f6c\u6362\u7b2c\u4e09\u6b65Compilition(\u7f16\u8bd1\u6a21\u578b\u6210HEF)<\/h3>\n<p>\u53ea\u9700\u8981\u6ce8\u610f\u4e0b\u7f16\u8bd1\u5b8c\u6210\u7684HEF\u4f7f\u7528\u547d\u4ee4 <code>hailortcli parse-hef yolov8s.hef<\/code> \u67e5\u770b\u4e0b\u7ed3\u679c\u3002<br \/>\n<img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-745\" src=\"https:\/\/www.zhoubin.asia\/wp-content\/uploads\/2024\/08\/yolov8_parse-hef1.png\" alt=\"\" width=\"624\" height=\"133\" \/><\/p>\n<p>\u5728\u8f6c\u6362\u6a21\u578b\u7684\u6b65\u9aa4\u201c\u6a21\u578b\u8f6c\u6362\u7b2c\u4e8c\u6b65\u91cf\u5316\u65f6\u4f7f\u7528\u7684\u811a\u672calls\u201d\u4e2d\uff0c\u5728alls\u4e2d\u589e\u52a0\u4e00\u884c\uff1a<\/p>\n<pre><code>performance_param(compiler_optimization_level=max)<\/code><\/pre>\n<p>\u6b64\u65b9\u6cd5\u4f1a\u6781\u5927\u5730\u589e\u52a0\u7f16\u8bd1\u6a21\u578b\u6210HEF\u7684\u7f16\u8bd1\u65f6\u95f4\uff0c\u4f46\u662f\u53ef\u4ee5\u63d0\u9ad8hef\u5728hailo\u4e2d\u7684\u8fd0\u884cFPS, \u8bf7\u77e5\u6089\u3002\u8be6\u60c5\u53ef\u4ee5\u53c2\u8003Hailo\u7684Data Flower Compiler\u6587\u6863\u3002<\/p>\n<h2>2. YOLOv8\u6a21\u578b\u7684\u63a8\u7406 (C++)<\/h2>\n<p>\u8fd9\u91cc\u63a8\u8350\u4f7f\u7528\u8fd9\u4e2aGitHub: <a href=\"https:\/\/github.com\/alex2014git\/NpuDetectorLib\">NpuDetectorLib<\/a>\uff0c\u91cc\u9762\u6709\u9488\u5bf9\u7c7b\u4f3c\u8fd9\u6837\u8f6c\u5316\u7684YOLOv8_nms\u6a21\u578b\u7684\u6837\u4f8b\uff1a<\/p>\n<pre><code>.\/build\/tests\/TestExecutable -i VID.mp4 -o VID_out.mp4 -m models\/yolov8s_nms.json -a base<\/code><\/pre>\n<p>\u6211\u4eec\u53ea\u9700\u8981\u66ff\u6362\u5bf9\u5e94\u7684 <code>yolov8s_nms.json<\/code>\uff08<a href=\"https:\/\/github.com\/alex2014git\/NpuDetectorLib\/blob\/main\/models\/yolov8s_nms.json\">YOLOv8s NMS JSON<\/a>\uff09\u4e3a\u6211\u4eec\u81ea\u5df1\u7684JSON\u5c31\u53ef\u4ee5\u4e86\u3002\u6ce8\u610f\u4fee\u6539\u4ee5\u4e0b\u5185\u5bb9\uff1a<\/p>\n<ul>\n<li><code>\"model_path\": \"models\/yolov8s_nms.hef\"<\/code><\/li>\n<li><code>\"classes\": 80<\/code><\/li>\n<li><code>\"labels\": [\"__background__\"]<\/code><\/li>\n<li><code>\"threshold\": 0.5<\/code><\/li>\n<li><code>\"output_order_by_name\": [\"yolov8s\/yolov8_nms_postprocess\"]<\/code><\/li>\n<\/ul>\n<h2>3. \u67d0\u4e9b\u7279\u6b8a\u60c5\u51b5\u8bf4\u660e<\/h2>\n<p>\u67d0\u4e9b\u65f6\u5019\uff0c\u5ba2\u6237\u4f7f\u7528\u81ea\u5df1\u7684\u6570\u636e\u5e93\u8bad\u7ec3\u7684YOLOv8\u6a21\u578b\uff0c\u6309\u7167\u4e0a\u8ff0\u65b9\u5f0f\u8fdb\u884c\u6a21\u578b\u8f6c\u6362\u7684\u65f6\u5019\uff0c\u53ef\u80fd\u4f1a\u9047\u5230\u7c7b\u4f3c\u8fd9\u6837\u7684\u62a5\u9519\uff1a<\/p>\n<pre><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-746\" src=\"https:\/\/www.zhoubin.asia\/wp-content\/uploads\/2024\/08\/yolov8_compiler_error.png\" alt=\"\" width=\"935\" height=\"275\" \/><\/pre>\n<p>\u5f53\u51fa\u73b0\u7c7b\u4f3c\u8fd9\u79cd\u62a5\u9519\u7684\u65f6\u5019\uff0c\u53ef\u4ee5\u5728\u4e0a\u8ff0\u201cb.\u6a21\u578b\u8f6c\u6362\u7b2c\u4e8c\u6b65\u91cf\u5316\u65f6\u4f7f\u7528\u7684\u811a\u672calls\u201d\u4e2d\uff0c\u4ec5\u4f7f\u7528Hailo\u8fdb\u884c\u5f52\u4e00\u5316\uff1a<\/p>\n<pre><code>normalization1 = normalization([0.0, 0.0, 0.0], [255.0, 255.0, 255.0])<\/code><\/pre>\n<p>\u67e5\u770b\u662f\u5426\u80fd\u6b63\u5e38\u7f16\u8bd1\u901a\u8fc7\u3002\u4e00\u822c\u60c5\u51b5\u4e0b\uff0c\u8fd9\u6837\u662f\u53ef\u4ee5\u7f16\u8bd1\u901a\u8fc7\u7684\u3002<\/p>\n<h3>\u9488\u5bf9\u6b64\u7279\u5b9a\u6a21\u578b\uff0c\u5982\u4f55\u5bf9\u6a21\u578b\u8fdb\u884c\u63a8\u7406\uff1f<\/h3>\n<p>\u9996\u5148\uff0c\u5229\u7528 <code>hailortcli parse-hef yolov8s.hef<\/code> \u53ef\u4ee5\u5f97\u5230\u7c7b\u4f3c\u4ee5\u4e0b\u7684\u8f93\u51fa\uff1a<br \/>\n<img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-747\" src=\"https:\/\/www.zhoubin.asia\/wp-content\/uploads\/2024\/08\/yolov8_parse-hef2.png\" alt=\"\" width=\"624\" height=\"133\" \/><\/p>\n<p>\u6b64\u6a21\u578b\u4e0e\u4e0a\u9762\u7684NMS\u6a21\u578b\u6709\u4e24\u4e2a\u533a\u522b\uff1a<\/p>\n<ol>\n<li>\u6b64\u6a21\u578b\u6ca1\u6709\u5728Hailo\u4e2d\u52a0\u5165\u4efb\u4f55\u540e\u5904\u7406\uff0c\u6240\u4ee5\u9700\u8981\u5728\u96c6\u6210\u4ee3\u7801\u4e2d\u81ea\u884c\u589e\u52a0\u540e\u5904\u7406\u7684\u4ee3\u7801\uff08\u5305\u62ecNMS\u90e8\u5206\uff09\u3002<\/li>\n<li>\u6b64\u6a21\u578b\u6ca1\u6709\u5bf9score\u90e8\u5206\u5728Hailo\u5185\u90e8\u505asigmoid\u64cd\u4f5c\uff0c\u56e0\u6b64\u9700\u8981\u5728\u96c6\u6210\u4ee3\u7801\u4e2d\u52a0\u5165sigmoid\u3002<\/li>\n<\/ol>\n<p>\u53c2\u8003\u4e0a\u9762\u7684demo\uff0c\u6ce8\u610f\u4fee\u6539JSON\u6587\u4ef6\uff1a<a href=\"https:\/\/github.com\/alex2014git\/NpuDetectorLib\/blob\/main\/models\/yolov8s.json\">yolov8s.json<\/a><\/p>\n<ul>\n<li><code>\"model_path\": \"models\/yolov8s.hef\",<\/code><\/li>\n<li><code>\"classes\": 80,<\/code><\/li>\n<li><code>\"feature_map_size\": [80, 40, 20],<\/code><\/li>\n<li><code>\"labels\": [\"__background__\"],<\/code><\/li>\n<li><code>\"output_order_by_name\": [\"yolov8s\/conv41\"],<\/code><\/li>\n<li><code><strong>\"out_sigmoid\": false<\/strong><\/code><\/li>\n<\/ul>\n<p>\u9700\u8981\u6ce8\u610f\u7684\u662f\uff0c<code>\"output_order_by_name\"<\/code> \u5bf9\u5e94\u7684\u8282\u70b9\u5e8f\u53f7\u9700\u8981\u4e0e <code>feature_map_size<\/code> \u7684\u5bf9\u5e94\u3002\u6b64\u5916\uff0c\u7531\u4e8e\u9700\u8981\u8fdb\u884csigmoid\u64cd\u4f5c\uff0c\u6240\u4ee5 <code>\"out_sigmoid\"<\/code> \u9700\u8981\u8bbe\u7f6e\u4e3a <code>false<\/code>\u3002<\/p>\n<p>\u5177\u4f53\u63a8\u7406\u547d\u4ee4\u4f7f\u7528\uff1a<br \/>\n<code>.\/build\/tests\/TestExecutable -i 2.jpg\u00a0 -m models\/yolov8s.json -a yolov8<\/code><\/p>\n<p>&nbsp;<\/p>\n<\/article>\n<\/div>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>&nbsp; 1. YOLOv8\u6a21\u578b\u7684\u6a21\u578b\u8f6c\u6362 a. \u6a21\u578b\u8f6c\u6362\u7b2c\u4e00\u6b65:Parser \u5982\u4f55\u9009\u53d6\u6a21\u578b\u7684end no [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_bbp_topic_count":0,"_bbp_reply_count":0,"_bbp_total_topic_count":0,"_bbp_total_reply_count":0,"_bbp_voice_count":0,"_bbp_anonymous_reply_count":0,"_bbp_topic_count_hidden":0,"_bbp_reply_count_hidden":0,"_bbp_forum_subforum_count":0,"footnotes":""},"categories":[15,16,5,1],"tags":[],"class_list":["post-742","post","type-post","status-publish","format-standard","hentry","category-ai","category-dfc","category-hailort","category-tech"],"_links":{"self":[{"href":"https:\/\/www.zhoubin.asia\/index.php\/wp-json\/wp\/v2\/posts\/742","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.zhoubin.asia\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.zhoubin.asia\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.zhoubin.asia\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.zhoubin.asia\/index.php\/wp-json\/wp\/v2\/comments?post=742"}],"version-history":[{"count":3,"href":"https:\/\/www.zhoubin.asia\/index.php\/wp-json\/wp\/v2\/posts\/742\/revisions"}],"predecessor-version":[{"id":751,"href":"https:\/\/www.zhoubin.asia\/index.php\/wp-json\/wp\/v2\/posts\/742\/revisions\/751"}],"wp:attachment":[{"href":"https:\/\/www.zhoubin.asia\/index.php\/wp-json\/wp\/v2\/media?parent=742"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.zhoubin.asia\/index.php\/wp-json\/wp\/v2\/categories?post=742"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.zhoubin.asia\/index.php\/wp-json\/wp\/v2\/tags?post=742"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}