Merge pull request adipandas#4 from adipandas/developer

Bug fix for `RuntimeError: OrderedDict mutated during iteration bug` in Tracker class

Author: adipandas

tracking-caffe-model.ipynb

@@ -2,7 +2,7 @@
  "cells": [
   {
    "cell_type": "code",
-   "execution_count": 3,
+   "execution_count": 1,
    "metadata": {},
    "outputs": [],
    "source": [
@@ -21,7 +21,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 4,
+   "execution_count": 2,
    "metadata": {},
    "outputs": [],
    "source": [
@@ -51,7 +51,8 @@
     "    def update(self,  detections):\n",
     "        \n",
     "        if len(detections) == 0:   # if no object detected in the frame\n",
-    "            for objectID in self.lost.keys():\n",
+    "            lost_ids = list(self.lost.keys())\n",
+    "            for objectID in lost_ids:\n",
     "                self.lost[objectID] +=1\n",
     "                if self.lost[objectID] > self.maxLost: self.removeObject(objectID)\n",
     "            \n",
@@ -127,7 +128,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 5,
+   "execution_count": 3,
    "metadata": {},
    "outputs": [],
    "source": [
@@ -148,7 +149,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 6,
+   "execution_count": 4,
    "metadata": {},
    "outputs": [],
    "source": [
@@ -169,7 +170,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 7,
+   "execution_count": 5,
    "metadata": {},
    "outputs": [],
    "source": [
@@ -186,7 +187,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 8,
+   "execution_count": null,
    "metadata": {
     "scrolled": true
    },
@@ -238,6 +239,13 @@
     "cv.destroyWindow(\"image\")"
    ]
   },
+  {
+   "cell_type": "code",
+   "execution_count": null,
+   "metadata": {},
+   "outputs": [],
+   "source": []
+  },
   {
    "cell_type": "code",
    "execution_count": null,
@@ -262,7 +270,7 @@
    "name": "python",
    "nbconvert_exporter": "python",
    "pygments_lexer": "ipython3",
-   "version": "3.6.8"
+   "version": "3.6.9"
   }
  },
  "nbformat": 4,

tracking-tensorflow-ssd_mobilenet_v2_coco_2018_03_29.ipynb

@@ -51,7 +51,8 @@
     "    def update(self,  detections):\n",
     "        \n",
     "        if len(detections) == 0:   # if no object detected in the frame\n",
-    "            for objectID in self.lost.keys():\n",
+    "            lost_ids = list(self.lost.keys())\n",
+    "            for objectID in lost_ids:\n",
     "                self.lost[objectID] +=1\n",
     "                if self.lost[objectID] > self.maxLost: self.removeObject(objectID)\n",
     "            \n",
@@ -318,9 +319,9 @@
  ],
  "metadata": {
   "kernelspec": {
-   "display_name": "drlnd",
+   "display_name": "Python 3",
    "language": "python",
-   "name": "drlnd"
+   "name": "python3"
   },
   "language_info": {
    "codemirror_mode": {
@@ -332,7 +333,7 @@
    "name": "python",
    "nbconvert_exporter": "python",
    "pygments_lexer": "ipython3",
-   "version": "3.6.8"
+   "version": "3.6.9"
   }
  },
  "nbformat": 4,

tracking-yolo-model.ipynb

@@ -51,7 +51,8 @@
     "    def update(self,  detections):\n",
     "        \n",
     "        if len(detections) == 0:   # if no object detected in the frame\n",
-    "            for objectID in self.lost.keys():\n",
+    "            lost_ids = list(self.lost.keys())\n",
+    "            for objectID in lost_ids:\n",
     "                self.lost[objectID] +=1\n",
     "                if self.lost[objectID] > self.maxLost: self.removeObject(objectID)\n",
     "            \n",
@@ -311,9 +312,9 @@
  ],
  "metadata": {
   "kernelspec": {
-   "display_name": "drlnd",
+   "display_name": "Python 3",
    "language": "python",
-   "name": "drlnd"
+   "name": "python3"
   },
   "language_info": {
    "codemirror_mode": {
@@ -325,7 +326,7 @@
    "name": "python",
    "nbconvert_exporter": "python",
    "pygments_lexer": "ipython3",
-   "version": "3.6.8"
+   "version": "3.6.9"
   }
  },
  "nbformat": 4,