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Author: Sarosh09

05-Single Object Tracking.ipynb

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+{
+ "cells": [
+  {
+   "cell_type": "markdown",
+   "metadata": {},
+   "source": [
+    "## Import Libraries"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": null,
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "import cv2"
+   ]
+  },
+  {
+   "cell_type": "markdown",
+   "metadata": {},
+   "source": [
+    "## Define our Tracker"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": null,
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "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",
+    "    choice = input('Please select your tracker: ')\n",
+    "    if choice == 0:\n",
+    "        tracker = cv2.TrackerBoostring_create()\n",
+    "    if choice == 1:\n",
+    "        tracker = cv2.TrackerMIL_create()\n",
+    "    if choice == 2:\n",
+    "        tracker = cv2.TrackerKCF_create()\n",
+    "    if choice == 3:\n",
+    "        tracker = cv2.TrackerTLD_create()\n",
+    "    if choice == 4:\n",
+    "        tracker = cv2.TrackerMedianFlow_create()\n",
+    "    if choice == 5:\n",
+    "        tracker = cv2.TrackerGOTURN_create()\n",
+    "    if choice == 6:\n",
+    "        tracker = cv2.TrackerMOSSE_create()\n",
+    "    if choice == 7:\n",
+    "        tracker = cv2.TrackerCSRT_create()\n",
+    "        \n",
+    "    return tracker\n"
+   ]
+  },
+  {
+   "cell_type": "markdown",
+   "metadata": {},
+   "source": [
+    "## Magic"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": null,
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "# Tracker\n",
+    "tercker = ask_for_tracker()\n",
+    "\n",
+    "# Tracker name\n",
+    "tracker_name = str(tracker).split()[0][1:]\n",
+    "\n",
+    "# Capture the video\n",
+    "cap = cv2.Videocapture('Videos/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(inr, roi))\n",
+    "    \n",
+    "    # Draw rects as tracker moves\n",
+    "    if success:\n",
+    "        \n",
+    "        # success 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, 'Fail to track the object', (100, 200), cv2.FONT_HERSHEY_SIMPLEX, 1, (25, 125, 255), 3)\n",
+    "        \n",
+    "    # Display tracker\n",
+    "    cv2.puttext(frame, tracker_name, (20, 400), FONT_HERSHEY_SIMPLEX, 1, (255, 255, 0), 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 the capture and Destroy all windows\n",
+    "cap.release()\n",
+    "cv2.destroyAllWindows()\n",
+    "    "
+   ]
+  }
+ ],
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