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+{
+ "cells": [
+  {
+   "cell_type": "markdown",
+   "id": "0a2dcafd-aed4-4fb9-b825-2a33545636f7",
+   "metadata": {},
+   "source": [
+    "# OpenCV vs Composable Overlay \n",
+    "\n",
+    "<div class=\"alert alert-box alert-info\">\n",
+    "Please use Jupyter labs http://&lt;board_ip_address&gt;/lab for this notebook.\n",
+    "</div>\n",
+    "\n",
+    "\n",
+    "## Aims\n",
+    "* Compare a pure OpenCV pipeline with a composable pipeline\n",
+    "\n",
+    "## Table of Contents\n",
+    "* [Software Video Pipeline](#sw)\n",
+    "* [Hardware Video Pipeline](#hw)\n",
+    "* [Conclusion](#conclusion)\n",
+    "\n",
+    "----\n",
+    "\n",
+    "## Revision History\n",
+    "\n",
+    "* v1.0 | 04 March 2024 | First notebook revision."
+   ]
+  },
+  {
+   "cell_type": "markdown",
+   "id": "a224ec5a",
+   "metadata": {},
+   "source": [
+    "## Software Video Pipeline <a class=\"anchor\" id=\"sw\"></a>"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": null,
+   "id": "ca9a68c6-7985-4e3b-95eb-d68a39fed157",
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "import cv2\n",
+    "import numpy as np\n",
+    "import PIL.Image\n",
+    "from pynq.lib.video import VideoMode\n",
+    "import time"
+   ]
+  },
+  {
+   "cell_type": "markdown",
+   "id": "d33d4aef",
+   "metadata": {},
+   "source": [
+    "Setup video mode"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": null,
+   "id": "f89f0d88-dac2-4a32-baf9-e33303c10ead",
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "mode = VideoMode(1280, 720, 24, 60)"
+   ]
+  },
+  {
+   "cell_type": "markdown",
+   "id": "6b337b92",
+   "metadata": {},
+   "source": [
+    "Open and configure the webcam"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": null,
+   "id": "b0700b4e-d56d-4637-bf73-183d3bcd71df",
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "webcam = cv2.VideoCapture(0 + cv2.CAP_V4L2)\n",
+    "webcam.set(cv2.CAP_PROP_FRAME_WIDTH, mode.width)\n",
+    "webcam.set(cv2.CAP_PROP_FRAME_HEIGHT, mode.height)\n",
+    "webcam.set(cv2.CAP_PROP_FPS, mode.fps)"
+   ]
+  },
+  {
+   "cell_type": "markdown",
+   "id": "98a92183",
+   "metadata": {},
+   "source": [
+    "Check webcamera status"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": null,
+   "id": "0524ca5b-1c4f-49c2-ae88-83e8b1397f38",
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "ret, frame = webcam.read()\n",
+    "if not ret:\n",
+    "    print('Camera cannot be open')"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": null,
+   "id": "b6a01e53-3ad1-4f4e-8295-c5e613c22cdc",
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "def show_image(frame):\n",
+    "    return PIL.Image.fromarray(frame[:,:,[2,1,0]])"
+   ]
+  },
+  {
+   "cell_type": "markdown",
+   "id": "6aceb8e2",
+   "metadata": {},
+   "source": [
+    "Define function to implement color detect pipeline"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": null,
+   "id": "5b5ce21e-cbda-45a8-9b87-650ab01ccf2f",
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "kernel = np.ones((3,3), np.uint8)\n",
+    "def run_sw_pipeline():\n",
+    "    ret, frame = webcam.read()\n",
+    "    frame_hsv = cv2.cvtColor(frame, cv2.COLOR_RGB2HSV)\n",
+    "    #frame_threshold0 = cv2.inRange(frame_hsv, (22, 38, 160), (38, 75, 179))\n",
+    "    #frame_threshold1 = cv2.inRange(frame_hsv, (150, 150, 150), (255, 255, 255))\n",
+    "    frame_threshold2 = cv2.inRange(frame_hsv, (60, 60, 60), (255, 255, 255))\n",
+    "    #frame_threshold = frame_threshold0 | frame_threshold1 | frame_threshold2\n",
+    "    erode_0 = cv2.erode(frame_threshold2, kernel, iterations=1)\n",
+    "    dilate_0 = cv2.erode(erode_0, kernel, iterations=1)\n",
+    "    dilate_1 = cv2.erode(dilate_0, kernel, iterations=1)\n",
+    "    erode_1 = cv2.erode(dilate_1, kernel, iterations=1)\n",
+    "    frame_rgb = cv2.cvtColor(erode_1, cv2.COLOR_GRAY2RGB)\n",
+    "    return frame_rgb & frame"
+   ]
+  },
+  {
+   "cell_type": "markdown",
+   "id": "77731b04",
+   "metadata": {},
+   "source": [
+    "Check software pipeline"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": null,
+   "id": "02749cd7-d434-459e-bc21-bdca3a209db4",
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "res = run_sw_pipeline()\n",
+    "show_image(res)"
+   ]
+  },
+  {
+   "cell_type": "markdown",
+   "id": "15d3c1ec",
+   "metadata": {},
+   "source": [
+    "Run software pipeline for several frames to get frames per second"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": null,
+   "id": "1bca68d4-6de8-447d-ad71-5e9d8e1c0372",
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "frames = 120\n",
+    "start_time = time.time()\n",
+    "for _ in range(frames):\n",
+    "    res = run_sw_pipeline()\n",
+    "end_time = time.time()\n",
+    "\n",
+    "print(\"Took {:.3f} seconds to process {} frames. Software achieved {:.2f} FPS\".format(ex_time := end_time-start_time, frames, frames/ex_time))"
+   ]
+  },
+  {
+   "cell_type": "markdown",
+   "id": "c22a2bd1-d410-4fa4-9f46-a3c26fe7f2b3",
+   "metadata": {},
+   "source": [
+    "## Hardware Video Pipeline <a class=\"anchor\" id=\"hw\"></a>"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": null,
+   "id": "5288fe66-3fa4-4420-8add-a0b81434c55a",
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "from pynq import Overlay\n",
+    "import pynq_composable"
+   ]
+  },
+  {
+   "cell_type": "markdown",
+   "id": "9abe04d3",
+   "metadata": {},
+   "source": [
+    "Download overlay and create objects"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": null,
+   "id": "c3d39deb-97c4-4021-b001-6f8d38efd02b",
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "ol = Overlay(\"cv_dfx_3_pr.bit\")\n",
+    "\n",
+    "cpipe = ol.composable"
+   ]
+  },
+  {
+   "cell_type": "markdown",
+   "id": "1fac27c7",
+   "metadata": {},
+   "source": [
+    "Define objects to control the DMA"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": null,
+   "id": "1989b140-6201-40d9-ac04-55861a2563f6",
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "writechannel = ol.video.axi_vdma.writechannel\n",
+    "readchannel = ol.video.axi_vdma.readchannel\n",
+    "writechannel.mode = mode\n",
+    "readchannel.mode = mode\n",
+    "writechannel.start()\n",
+    "readchannel.start()"
+   ]
+  },
+  {
+   "cell_type": "markdown",
+   "id": "0ca141a9",
+   "metadata": {},
+   "source": [
+    "Download partial bitstreams and compose pipeline"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": null,
+   "id": "4a599aff-d0d3-4e21-9de8-a22fd4c6cadf",
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "cpipe.load('pr_0/dilate_accel')\n",
+    "cpipe.load('pr_1/dilate_accel')\n",
+    "cpipe.load('pr_2/bitwise_and_accel')\n",
+    "\n",
+    "pipeline = [cpipe.ps_video_in, cpipe.duplicate_accel,\n",
+    "            [[cpipe.rgb2hsv_accel, cpipe.colorthresholding_accel, cpipe.pr_0.erode_accel,\n",
+    "              cpipe.pr_0.dilate_accel, cpipe.pr_1.dilate_accel, cpipe.pr_1.erode_accel,\n",
+    "              cpipe.gray2rgb_accel], [1]],\n",
+    "            cpipe.pr_2.bitwise_and_accel, cpipe.ps_video_out]\n",
+    "\n",
+    "cpipe.compose(pipeline)\n",
+    "cpipe.graph"
+   ]
+  },
+  {
+   "cell_type": "markdown",
+   "id": "0702314f",
+   "metadata": {},
+   "source": [
+    "Run hardware pipeline via the VDMA"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": null,
+   "id": "033c3b67-e3d9-4b95-bc9f-41f3cc9daaf2",
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "def run_hw_pipeline():\n",
+    "    fpgaframe = writechannel.newframe()\n",
+    "    _, fpgaframe[:] = webcam.read()\n",
+    "    writechannel.writeframe(fpgaframe)\n",
+    "    res = readchannel.readframe()\n",
+    "    return res"
+   ]
+  },
+  {
+   "cell_type": "markdown",
+   "id": "7c49bd5d",
+   "metadata": {},
+   "source": [
+    "Run software pipeline for several frames to get frames per second"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": null,
+   "id": "64c21582-f822-4318-94c6-b70a8260b731",
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "frames = 120\n",
+    "start_time = time.time()\n",
+    "for _ in range(frames):\n",
+    "    res = run_hw_pipeline()\n",
+    "end_time = time.time()\n",
+    "\n",
+    "print(\"Took {:.3f} seconds to process {} frames. Hardware achieved {:.2f} FPS\".format(ex_time := end_time-start_time, frames, frames/ex_time))"
+   ]
+  },
+  {
+   "cell_type": "markdown",
+   "id": "ca70214a",
+   "metadata": {},
+   "source": [
+    "Release the camera and overlay"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": null,
+   "id": "b6cdf002-bd9d-4649-bd42-7bc0732a899f",
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "webcam.release()\n",
+    "ol.free()"
+   ]
+  },
+  {
+   "cell_type": "markdown",
+   "id": "52a0ec19",
+   "metadata": {},
+   "source": [
+    "## Conclusion <a class=\"anchor\" id=\"conclusion\"></a>\n",
+    "\n",
+    "This notebooks showed the performance of a software video pipeline and a hardware video pipeline"
+   ]
+  },
+  {
+   "cell_type": "markdown",
+   "id": "95d68b05",
+   "metadata": {},
+   "source": [
+    "Copyright &copy; 2024 AMD, Inc\n",
+    "\n",
+    "SPDX-License-Identifier: BSD-3-Clause\n",
+    "\n",
+    "----"
+   ]
+  }
+ ],
+ "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": "3.8.10"
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+ "nbformat": 4,
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+}