Hand detection.ipynb

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    {
     "ename": "ValueError",
     "evalue": "too many values to unpack (expected 2)",
     "output_type": "error",
     "traceback": [
      "\u001b[1;31m---------------------------------------------------------------------------\u001b[0m",
      "\u001b[1;31mValueError\u001b[0m                                Traceback (most recent call last)",
      "Cell \u001b[1;32mIn[1], line 34\u001b[0m\n\u001b[0;32m     31\u001b[0m         fingers2 \u001b[38;5;241m=\u001b[39m detector\u001b[38;5;241m.\u001b[39mfingersUp(hand2)\n\u001b[0;32m     33\u001b[0m         \u001b[38;5;66;03m# Find Distance between two Landmarks. Could be same hand or different hands\u001b[39;00m\n\u001b[1;32m---> 34\u001b[0m         length, info, img \u001b[38;5;241m=\u001b[39m \u001b[43mdetector\u001b[49m\u001b[38;5;241;43m.\u001b[39;49m\u001b[43mfindDistance\u001b[49m\u001b[43m(\u001b[49m\u001b[43mlmList1\u001b[49m\u001b[43m[\u001b[49m\u001b[38;5;241;43m8\u001b[39;49m\u001b[43m]\u001b[49m\u001b[43m,\u001b[49m\u001b[43m \u001b[49m\u001b[43mlmList2\u001b[49m\u001b[43m[\u001b[49m\u001b[38;5;241;43m8\u001b[39;49m\u001b[43m]\u001b[49m\u001b[43m,\u001b[49m\u001b[43m \u001b[49m\u001b[43mimg\u001b[49m\u001b[43m)\u001b[49m  \u001b[38;5;66;03m# with draw\u001b[39;00m\n\u001b[0;32m     35\u001b[0m         \u001b[38;5;66;03m# length, info = detector.findDistance(lmList1[8], lmList2[8])  # with draw\u001b[39;00m\n\u001b[0;32m     36\u001b[0m \u001b[38;5;66;03m# Display\u001b[39;00m\n\u001b[0;32m     37\u001b[0m cv2\u001b[38;5;241m.\u001b[39mimshow(\u001b[38;5;124m\"\u001b[39m\u001b[38;5;124mImage\u001b[39m\u001b[38;5;124m\"\u001b[39m, img)\n",
      "File \u001b[1;32m~\\anaconda3\\lib\\site-packages\\cvzone\\HandTrackingModule.py:143\u001b[0m, in \u001b[0;36mHandDetector.findDistance\u001b[1;34m(self, p1, p2, img)\u001b[0m\n\u001b[0;32m    130\u001b[0m \u001b[38;5;28;01mdef\u001b[39;00m \u001b[38;5;21mfindDistance\u001b[39m(\u001b[38;5;28mself\u001b[39m, p1, p2, img\u001b[38;5;241m=\u001b[39m\u001b[38;5;28;01mNone\u001b[39;00m):\n\u001b[0;32m    131\u001b[0m     \u001b[38;5;124;03m\"\"\"\u001b[39;00m\n\u001b[0;32m    132\u001b[0m \u001b[38;5;124;03m    Find the distance between two landmarks based on their\u001b[39;00m\n\u001b[0;32m    133\u001b[0m \u001b[38;5;124;03m    index numbers.\u001b[39;00m\n\u001b[1;32m   (...)\u001b[0m\n\u001b[0;32m    140\u001b[0m \u001b[38;5;124;03m             Line information\u001b[39;00m\n\u001b[0;32m    141\u001b[0m \u001b[38;5;124;03m    \"\"\"\u001b[39;00m\n\u001b[1;32m--> 143\u001b[0m     x1, y1 \u001b[38;5;241m=\u001b[39m p1\n\u001b[0;32m    144\u001b[0m     x2, y2 \u001b[38;5;241m=\u001b[39m p2\n\u001b[0;32m    145\u001b[0m     cx, cy \u001b[38;5;241m=\u001b[39m (x1 \u001b[38;5;241m+\u001b[39m x2) \u001b[38;5;241m/\u001b[39m\u001b[38;5;241m/\u001b[39m \u001b[38;5;241m2\u001b[39m, (y1 \u001b[38;5;241m+\u001b[39m y2) \u001b[38;5;241m/\u001b[39m\u001b[38;5;241m/\u001b[39m \u001b[38;5;241m2\u001b[39m\n",
      "\u001b[1;31mValueError\u001b[0m: too many values to unpack (expected 2)"
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   "source": [
    "from cvzone.HandTrackingModule import HandDetector\n",
    "import cv2\n",
    "\n",
    "cap = cv2.VideoCapture(0)\n",
    "detector = HandDetector(detectionCon=0.8, maxHands=2)\n",
    "while True:\n",
    "    # Get image frame\n",
    "    success, img = cap.read()\n",
    "    # Find the hand and its landmarks\n",
    "    hands, img = detector.findHands(img)  # with draw\n",
    "    # hands = detector.findHands(img, draw=False)  # without draw\n",
    "\n",
    "    if hands:\n",
    "        # Hand 1\n",
    "        hand1 = hands[0]\n",
    "        lmList1 = hand1[\"lmList\"]  # List of 21 Landmark points\n",
    "        bbox1 = hand1[\"bbox\"]  # Bounding box info x,y,w,h\n",
    "        centerPoint1 = hand1['center']  # center of the hand cx,cy\n",
    "        handType1 = hand1[\"type\"]  # Handtype Left or Right\n",
    "\n",
    "        fingers1 = detector.fingersUp(hand1)\n",
    "\n",
    "        if len(hands) == 2:\n",
    "            # Hand 2\n",
    "            hand2 = hands[1]\n",
    "            lmList2 = hand2[\"lmList\"]  # List of 21 Landmark points\n",
    "            bbox2 = hand2[\"bbox\"]  # Bounding box info x,y,w,h\n",
    "            centerPoint2 = hand2['center']  # center of the hand cx,cy\n",
    "            handType2 = hand2[\"type\"]  # Hand Type \"Left\" or \"Right\"\n",
    "\n",
    "            fingers2 = detector.fingersUp(hand2)\n",
    "\n",
    "            # Find Distance between two Landmarks. Could be same hand or different hands\n",
    "            length, info, img = detector.findDistance(lmList1[8], lmList2[8], img)  # with draw\n",
    "            # length, info = detector.findDistance(lmList1[8], lmList2[8])  # with draw\n",
    "    # Display\n",
    "    cv2.imshow(\"Image\", img)\n",
    "    cv2.waitKey(1)\n",
    "cap.release()\n",
    "cv2.destroyAllWindows()"
   ]
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