05_Single_Tracking.ipynb

{
 "cells": [
  {
   "cell_type": "code",
   "execution_count": 1,
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "Requirement already satisfied: opencv-contrib-python in c:\\users\\administrator\\appdata\\roaming\\python\\python37\\site-packages (4.3.0.36)\n",
      "Requirement already satisfied: numpy>=1.14.5 in c:\\users\\administrator\\anaconda3\\lib\\site-packages (from opencv-contrib-python) (1.16.5)\n"
     ]
    }
   ],
   "source": [
    "!pip install opencv-contrib-python --user"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 2,
   "metadata": {},
   "outputs": [],
   "source": [
    "# Import Libraries\n",
    "import cv2"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 3,
   "metadata": {},
   "outputs": [],
   "source": [
    "# Define our tracker\n",
    "def ask_for_tracker():\n",
    "    print('Hi,! What tracker API would you like to use? ')\n",
    "    print('Enter 0 for BOOSTING')\n",
    "    print('Enter 1 for MIL')\n",
    "    print('Enter 2 for KCF')\n",
    "    print('Enter 3 for TLD')\n",
    "    print('Enter 4 for MEDIANFLOW')\n",
    "    print('Enter 5 for GOTURN')\n",
    "    print('Enter 6 for MOSSE')\n",
    "    print('Enter 7 for CSRT')\n",
    "    \n",
    "    choise = input('Enter your tracker ')\n",
    "    \n",
    "    if choise == '0':\n",
    "        tracker = cv2.TrackerBoossting_create()\n",
    "    elif choise == '1':\n",
    "        tracker = cv2.TrackerMIL_create()\n",
    "    elif choise == '2':\n",
    "        tracker = cv2.TrackerKCF_create()\n",
    "    elif choise == '3':\n",
    "        tracker = cv2.TrackerTLD_create()\n",
    "    elif choise == '4':\n",
    "        tracker = cv2.TrackerMedianFlow_create()\n",
    "    elif choise == '5':\n",
    "        tracker = cv2.TrackerGOTURN_create()\n",
    "    elif choise == '6':\n",
    "        tracker = cv2.TrackerMOSSE_create()\n",
    "    elif choise == '7':\n",
    "        tracker = cv2.TrackerCSRT_create()\n",
    "        \n",
    "    return tracker"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 4,
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "Hi,! What tracker API would you like to use? \n",
      "Enter 0 for BOOSTING\n",
      "Enter 1 for MIL\n",
      "Enter 2 for KCF\n",
      "Enter 3 for TLD\n",
      "Enter 4 for MEDIANFLOW\n",
      "Enter 5 for GOTURN\n",
      "Enter 6 for MOSSE\n",
      "Enter 7 for CSRT\n",
      "Enter your tracker 7\n"
     ]
    }
   ],
   "source": [
    "# Tracker\n",
    "tracker = ask_for_tracker()\n",
    "\n",
    "# Tracker name\n",
    "tracker_name = str(tracker).split()[0][1:]\n",
    "\n",
    "# Capture the Video\n",
    "cap = cv2.VideoCapture('Video/Vehicles.mp4')\n",
    "\n",
    "# Read the first frame\n",
    "ret, frame = cap.read()\n",
    "\n",
    "# Select our ROI\n",
    "roi = cv2.selectROI(frame, False)\n",
    "\n",
    "# Initialize tracker\n",
    "ret = tracker.init(frame, roi)\n",
    "\n",
    "# while Loop\n",
    "while True:\n",
    "\n",
    "    # Read the capture\n",
    "    ret, frame = cap.read()\n",
    "    \n",
    "    # update tracker\n",
    "    success, roi = tracker.update(frame)\n",
    "    \n",
    "    # roi -> from tuple to int\n",
    "    (x, y, w, h) = tuple(map(int, roi))\n",
    "    \n",
    "    # Draw rects as tracker moves\n",
    "    if success:\n",
    "        \n",
    "        # Sucess on tracking\n",
    "        pts1 = (x,y)\n",
    "        pts2 = (x+w, y+h)\n",
    "        cv2.rectangle(frame, pts1, pts2, (255, 125, 25), 3)\n",
    "        \n",
    "    # else\n",
    "    else:\n",
    "    \n",
    "        # Failure on tracking\n",
    "        cv2.putText(frame,\n",
    "                   'Fail to trace the object',\n",
    "                   (100, 100),\n",
    "                  cv2.FONT_HERSHEY_SIMPLEX,\n",
    "                   1,\n",
    "                   (25, 125, 255),\n",
    "                   3)\n",
    "        \n",
    "    # Display Tracker\n",
    "    cv2.putText(frame,\n",
    "                tracker_name,\n",
    "                (20, 400),\n",
    "                cv2.FONT_HERSHEY_SIMPLEX,\n",
    "                1,\n",
    "                (225, 225, 0),\n",
    "                3)\n",
    "    \n",
    "    # Display result\n",
    "    cv2.imshow(tracker_name, frame)\n",
    "        \n",
    "    # Exit with Esc button\n",
    "    if cv2.waitKey(50) & 0xFF == 27:\n",
    "        break  \n",
    "\n",
    "# Release and Destroy\n",
    "cap.release()\n",
    "cv2.destroyAllWindows()"
   ]
  }
 ],
 "metadata": {
  "kernelspec": {
   "display_name": "Python 3",
   "language": "python",
   "name": "python3"
  },
  "language_info": {
   "codemirror_mode": {
    "name": "ipython",
    "version": 3
   },
   "file_extension": ".py",
   "mimetype": "text/x-python",
   "name": "python",
   "nbconvert_exporter": "python",
   "pygments_lexer": "ipython3",
   "version": "3.7.4"
  }
 },
 "nbformat": 4,
 "nbformat_minor": 2
}