Day33_YOLO_NMS.ipynb

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    "## YOLO 細節理解 - 網路輸出的後處理    \n",
    "今天的課程，我們說明了NMS在yolo中運作的情形:\n",
    "* NMS在YOLO的實際運作以每一個類別為主，各別執行NMS。     \n",
    "* YOLO 在NMS中採用的信心度為「每個 bbox 包含各類別的信心度」      \n"
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    "### 作業\n",
    "在NMS流程中，IoU重疊率參數(nms_threshold )調高，試著思考一下輸出的預測框會有甚麼變化?\n",
    "Hint: 可以回頭看今天介紹的內容，思考輸出的預測框變多或變少?\n"
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    "executionInfo": {
     "elapsed": 1558,
     "status": "ok",
     "timestamp": 1578021044012,
     "user": {
      "displayName": "Mora chen",
      "photoUrl": "https://lh3.googleusercontent.com/a-/AAuE7mB40f7sDArbZ5_DYq02nNcnLD0Ryaf7AhsASSQeLQ=s64",
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    "## 每次刪除的數量會減少-->時間複雜度會增加\n",
    "## 會影響BBOX的準確度嗎?-->原本應該被刪掉的會留下來,造成更多次佳confidence的BBOX會留在上面"
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