{"id":314,"date":"2026-03-26T16:21:48","date_gmt":"2026-03-26T08:21:48","guid":{"rendered":"https:\/\/friedcs.top\/?p=314"},"modified":"2026-03-26T16:21:48","modified_gmt":"2026-03-26T08:21:48","slug":"%e5%85%b3%e4%ba%8eyolo%e8%ae%ad%e7%bb%83%e6%97%b6%e7%9a%84%e5%9b%9e%e8%b0%83%e5%87%bd%e6%95%b0","status":"publish","type":"post","link":"https:\/\/friedcs.top\/index.php\/2026\/03\/26\/%e5%85%b3%e4%ba%8eyolo%e8%ae%ad%e7%bb%83%e6%97%b6%e7%9a%84%e5%9b%9e%e8%b0%83%e5%87%bd%e6%95%b0\/","title":{"rendered":"\u5173\u4e8eYOLO\u8bad\u7ec3\u65f6\u7684\u56de\u8c03\u51fd\u6570"},"content":{"rendered":"\n
\n

\u591a\u5c11\u4e8b\uff0c\u4ece\u6765\u6025\uff1b\u5929\u5730\u8f6c\uff0c\u5149\u9634\u8feb\u3002\u4e00\u4e07\u5e74\u592a\u4e45\uff0c\u53ea\u4e89\u671d\u5915\u3002<\/p>\n<\/blockquote>\n\n\n\n

\u8fdb\u884c\u5355\u4e2aYOLO\u8bad\u7ec3\u65f6\uff0c\u6216\u8bb8\u4f60\u4e0d\u9700\u8981\u7279\u522b\u5728\u610fYOLO\u7684\u8bad\u7ec3\u8fdb\u5ea6\uff0c\u6362\u53e5\u8bdd\u8bf4\uff0c\u4f60\u53ea\u8981\u7784\u4e00\u773c\u73b0\u5728\u8bad\u7ec3\u7684\u8f6e\u6570\uff0c\u548c\u6bcf\u4e00\u8f6e\u7684\u65f6\u95f4\uff0c\u5c31\u80fd\u4f30\u8ba1\u4e00\u4e2a\u5927\u6982\u7684\u65f6\u95f4\u3002\u4f46\u662f\u6211\u4eec\u5982\u679c\u60f3\u901a\u8fc7\u4ee3\u7801\u6765\u83b7\u53d6\u8bad\u7ec3\u7684\u8fdb\u5ea6\uff0c\u5c31\u65e0\u6cd5\u4f7f\u7528\u7784\u4e00\u773c\u7684\u65b9\u6cd5\u3002\u5982\u679c\u4f60\u9700\u8981\u83b7\u53d6YOLO\u7684\u8bad\u7ec3\u8fdb\u5ea6\uff0c\u53ef\u4ee5\u53c2\u8003YOLO\u5185\u7f6e\u7684\u56de\u8c03\u51fd\u6570<\/a>\u6765\u83b7\u53d6\u5f53\u671f\u7684\u8fdb\u5ea6\uff0c\u8fd9\u4e9b\u56de\u8c03\u51fd\u6570\u5728\u8bad\u7ec3\u8fc7\u7a0b\u7684\u5173\u952e\u9636\u6bb5\u4f5c\u4e3a\u5165\u53e3\u70b9<\/strong>\u2014\u2014\u8fd9\u662f\u4ed6\u4eec\u7684\u539f\u8bdd\u3002<\/p>\n\n\n\n

\u5728\u5b98\u7f51\u4e2d\uff0c\u4ed6\u63d0\u4f9b\u4e86\u6240\u4ee5\u7684\u56de\u8c03\u51fd\u6570\uff0c\u4f60\u53ef\u4ee5\u6839\u636e\u81ea\u5df1\u7684\u9700\u6c42\uff0c\u5728\u6bcf\u4e2a\u4f60\u60f3\u8981\u4ecb\u5165\u7684\u4f4d\u7f6e\uff0c\u8c03\u7528\u5bf9\u5e94\u7684\u56de\u8c03\u51fd\u6570\u6765\u5b9e\u73b0\u4f60\u60f3\u8981\u7684\u529f\u80fd\u3002<\/p>\n\n\n\n

\u8bad\u7ec3\u5668\u56de\u8c03<\/h3>\n\n\n\n
\u56de\u8c03\u51fd\u6570<\/th>\u63cf\u8ff0<\/th><\/tr><\/thead>
on_pretrain_routine_start<\/code><\/td>\u5728\u9884\u8bad\u7ec3\u7a0b\u5e8f\u5f00\u59cb\u65f6\u89e6\u53d1\u3002<\/td><\/tr>
on_pretrain_routine_end<\/code><\/td>\u5728\u9884\u8bad\u7ec3\u7a0b\u5e8f\u7ed3\u675f\u65f6\u89e6\u53d1\u3002<\/td><\/tr>
on_train_start<\/code><\/td>\u5728\u8bad\u7ec3\u5f00\u59cb\u65f6\u89e6\u53d1\u3002<\/td><\/tr>
on_train_epoch_start<\/code><\/td>\u5728\u6bcf\u4e2a\u8bad\u7ec3 epoch<\/a> \u5f00\u59cb\u65f6\u89e6\u53d1\u3002<\/td><\/tr>
on_train_batch_start<\/code><\/td>\u5728\u6bcf\u4e2a\u8bad\u7ec3\u6279\u6b21\u5f00\u59cb\u65f6\u89e6\u53d1\u3002<\/td><\/tr>
optimizer_step<\/code><\/td>\u5728\u4f18\u5316\u5668\u6b65\u9aa4\u4e2d\u89e6\u53d1\u3002<\/td><\/tr>
on_before_zero_grad<\/code><\/td>\u5728\u68af\u5ea6\u5f52\u96f6\u4e4b\u524d\u89e6\u53d1\u3002<\/td><\/tr>
on_train_batch_end<\/code><\/td>\u5728\u6bcf\u4e2a\u8bad\u7ec3\u6279\u6b21\u7ed3\u675f\u65f6\u89e6\u53d1\u3002<\/td><\/tr>
on_train_epoch_end<\/code><\/td>\u5728\u6bcf\u4e2a\u8bad\u7ec3 epoch \u7ed3\u675f\u65f6\u89e6\u53d1\u3002<\/td><\/tr>
on_fit_epoch_end<\/code><\/td>\u5728\u6bcf\u4e2a\u62df\u5408 epoch \u7ed3\u675f\u65f6\u89e6\u53d1\u3002<\/td><\/tr>
on_model_save<\/code><\/td>\u5728\u6a21\u578b\u4fdd\u5b58\u65f6\u89e6\u53d1\u3002<\/td><\/tr>
on_train_end<\/code><\/td>\u5728\u8bad\u7ec3\u8fc7\u7a0b\u7ed3\u675f\u65f6\u89e6\u53d1\u3002<\/td><\/tr>
on_params_update<\/code><\/td>\u5728\u6a21\u578b\u53c2\u6570\u66f4\u65b0\u65f6\u89e6\u53d1\u3002<\/td><\/tr>
teardown<\/code><\/td>\u5728\u6e05\u7406\u8bad\u7ec3\u8fc7\u7a0b\u65f6\u89e6\u53d1\u3002<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

\u9a8c\u8bc1\u5668\u56de\u8c03<\/h3>\n\n\n\n
\u56de\u8c03\u51fd\u6570<\/th>\u63cf\u8ff0<\/th><\/tr><\/thead>
on_val_start<\/code><\/td>\u5728\u9a8c\u8bc1\u5f00\u59cb\u65f6\u89e6\u53d1\u3002<\/td><\/tr>
on_val_batch_start<\/code><\/td>\u5728\u6bcf\u4e2a\u9a8c\u8bc1\u6279\u6b21\u5f00\u59cb\u65f6\u89e6\u53d1\u3002<\/td><\/tr>
on_val_batch_end<\/code><\/td>\u5728\u6bcf\u4e2a\u9a8c\u8bc1\u6279\u6b21\u7ed3\u675f\u65f6\u89e6\u53d1\u3002<\/td><\/tr>
on_val_end<\/code><\/td>\u5728\u9a8c\u8bc1\u7ed3\u675f\u65f6\u89e6\u53d1\u3002<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

\u9884\u6d4b\u5668\u56de\u8c03<\/h3>\n\n\n\n
\u56de\u8c03\u51fd\u6570<\/th>\u63cf\u8ff0<\/th><\/tr><\/thead>
on_predict_start<\/code><\/td>\u5728\u9884\u6d4b\u8fc7\u7a0b\u5f00\u59cb\u65f6\u89e6\u53d1\u3002<\/td><\/tr>
on_predict_batch_start<\/code><\/td>\u5728\u6bcf\u4e2a\u9884\u6d4b\u6279\u6b21\u5f00\u59cb\u65f6\u89e6\u53d1\u3002<\/td><\/tr>
on_predict_postprocess_end<\/code><\/td>\u5728\u9884\u6d4b\u540e\u5904\u7406\u7ed3\u675f\u65f6\u89e6\u53d1\u3002<\/td><\/tr>
on_predict_batch_end<\/code><\/td>\u5728\u6bcf\u4e2a\u9884\u6d4b\u6279\u6b21\u7ed3\u675f\u65f6\u89e6\u53d1\u3002<\/td><\/tr>
on_predict_end<\/code><\/td>\u5728\u9884\u6d4b\u8fc7\u7a0b\u7ed3\u675f\u65f6\u89e6\u53d1\u3002<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

\u5bfc\u51fa\u5668\u56de\u8c03<\/h3>\n\n\n\n
\u56de\u8c03\u51fd\u6570<\/th>\u63cf\u8ff0<\/th><\/tr><\/thead>
on_export_start<\/code><\/td>\u5728\u5bfc\u51fa\u8fc7\u7a0b\u5f00\u59cb\u65f6\u89e6\u53d1\u3002<\/td><\/tr>
on_export_end<\/code><\/td>\u5728\u5bfc\u51fa\u8fc7\u7a0b\u7ed3\u675f\u65f6\u89e6\u53d1\u3002<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

\u4e3e\u4e00\u4e2a\u7b80\u5355\u7684\u4f8b\u5b50\uff0c\u5982\u679c\u6211\u60f3\u5f97\u77e5\u5f53\u524d\u7684\u8bad\u7ec3\u8fdb\u5ea6\uff0c\u90a3\u4e48\u6211\u53ef\u4ee5\u8c03\u7528on_train_epoch_end<\/code>\uff0c\u5728\u6bcf\u4e00\u8f6eepoch\u8bad\u7ec3\u7ed3\u675f\u65f6\uff0c\u8bb0\u5f55\u4e00\u6b21\uff0c\u90a3\u4e48\u53ea\u8981\u77e5\u9053\u8bad\u7ec3\u7684\u8f6e\u6570\uff0c\u4fbf\u53ef\u5f97\u77e5\u8fdb\u5ea6\u3002\u82e5\u4f60\u9700\u8981\u66f4\u52a0\u7ec6\u817b\u7684\u8fdb\u5ea6\uff0c\u4f60\u5b8c\u5168\u53ef\u4ee5\u8c03\u7528on_train_batch_end<\/code>\u6765\u5b9e\u73b0\uff0c\u53ea\u9700\u8981\u901a\u8fc7\u7b80\u5355\u7684\u8ba1\u7b97\u5f97\u77e5\u8be6\u7ec6\u7684\u8bad\u7ec3\u8fdb\u5ea6\u3002<\/p>\n\n\n\n

\u4f7f\u7528epochs\u8ba1\u7b97\u8fdb\u5ea6<\/p>\n\n\n\n

from ultralytics import YOLO\n\ntotal_epochs = 100  # \u4f60\u8bad\u7ec3\u65f6\u8bbe\u7f6e\u7684 epochs\n\n\ndef on_train_epoch_end(trainer):\n    \"\"\"\u5728\u6bcf\u4e2a epoch \u7ed3\u675f\u65f6\u8ba1\u7b97\u8fdb\u5ea6\"\"\"\n\n    current_epoch = trainer.epoch + 1  # \u4ece0\u5f00\u59cb\n    progress = current_epoch \/ total_epochs\n\n    print(f\"[Epoch] {current_epoch}\/{total_epochs} -> {progress:.2%}\")\n\n\nmodel = YOLO(\"yolo11n.pt\")\n\nmodel.add_callback(\"on_train_epoch_end\", on_train_epoch_end)\n\nmodel.train(\n    data=\"coco8.yaml\",\n    epochs=total_epochs\n)<\/code><\/pre>\n\n\n\n
\u4f7f\u7528batch\u8ba1\u7b97\u8fdb\u5ea6<\/p>\n\n\n\n
from ultralytics import YOLO\n\ntotal_epochs = 100\n\n\ndef on_train_start(trainer):\n    \"\"\"\u8bad\u7ec3\u5f00\u59cb\u65f6\u521d\u59cb\u5316\u603b\u6b65\u6570\"\"\"\n    trainer.total_steps = total_epochs * len(trainer.train_loader)\n    trainer.current_step = 0\n\n\ndef on_train_batch_end(trainer):\n    \"\"\"\u6bcf\u4e2a batch \u7ed3\u675f\u65f6\u66f4\u65b0\u8fdb\u5ea6\"\"\"\n\n    trainer.current_step += 1\n\n    progress = trainer.current_step \/ trainer.total_steps\n\n    print(\n        f\"[Step] {trainer.current_step}\/{trainer.total_steps} \"\n        f\"-> {progress:.2%}\"\n    )\n\n\nmodel = YOLO(\"yolo11n.pt\")\n\nmodel.add_callback(\"on_train_start\", on_train_start)\nmodel.add_callback(\"on_train_batch_end\", on_train_batch_end)\n\nmodel.train(\n    data=\"coco8.yaml\",\n    epochs=total_epochs\n)<\/code><\/pre>\n\n\n\n
\u66f4\u9ad8\u9636\u7684\u56de\u8c03\u81ea\u5b9a\u4e49 Ultralytics \u8bad\u7ec3\u6d41\u7a0b\u6211\u8fd8\u4e0d\u4f1a\uff0c\u7b49\u6211\u518d\u63a2\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
\u591a\u5c11\u4e8b\uff0c\u4ece\u6765\u6025\uff1b\u5929\u5730\u8f6c\uff0c\u5149\u9634\u8feb\u3002\u4e00\u4e07\u5e74\u592a\u4e45\uff0c\u53ea\u4e89\u671d …<\/p>\n","protected":false},"author":1,"featured_media":168,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[10],"tags":[],"class_list":["post-314","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-10"],"_links":{"self":[{"href":"https:\/\/friedcs.top\/index.php\/wp-json\/wp\/v2\/posts\/314","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/friedcs.top\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/friedcs.top\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/friedcs.top\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/friedcs.top\/index.php\/wp-json\/wp\/v2\/comments?post=314"}],"version-history":[{"count":4,"href":"https:\/\/friedcs.top\/index.php\/wp-json\/wp\/v2\/posts\/314\/revisions"}],"predecessor-version":[{"id":318,"href":"https:\/\/friedcs.top\/index.php\/wp-json\/wp\/v2\/posts\/314\/revisions\/318"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/friedcs.top\/index.php\/wp-json\/wp\/v2\/media\/168"}],"wp:attachment":[{"href":"https:\/\/friedcs.top\/index.php\/wp-json\/wp\/v2\/media?parent=314"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/friedcs.top\/index.php\/wp-json\/wp\/v2\/categories?post=314"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/friedcs.top\/index.php\/wp-json\/wp\/v2\/tags?post=314"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}