345 lines
15 KiB
Plaintext
345 lines
15 KiB
Plaintext
{
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"cells": [
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{
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"cell_type": "markdown",
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"id": "37fe6724-f5fe-412a-ab9a-6a1df878c308",
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"metadata": {},
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"source": [
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"## Import Library"
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]
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},
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{
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"cell_type": "code",
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"execution_count": 2,
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"id": "11b66fe3-8d38-4bf9-b9c5-f8bd3213bd55",
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"metadata": {},
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"outputs": [
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{
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"name": "stdout",
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"output_type": "stream",
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"text": [
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"Selesai Import Library\n"
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]
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}
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],
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"source": [
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"import cv2 # Import library OpenCV untuk pengolahan citra dan video\n",
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"import imutils # Import library imutils untuk mempermudah manipulasi citra\n",
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"import numpy as np # Import library numpy untuk operasi numerik\n",
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"from ultralytics import YOLO # Import class YOLO dari library ultralytics untuk deteksi objek\n",
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"from collections import defaultdict # Import class defaultdict dari library collections untuk struktur data default dictionary\n",
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"\n",
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"print(\"Selesai Import Library\")"
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]
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},
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{
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"cell_type": "markdown",
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"id": "243e5a8f-46c2-4fe1-b174-52a46f0a26ee",
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"metadata": {},
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"source": [
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"## Deklarasi Variable"
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]
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},
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{
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"cell_type": "code",
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"execution_count": 3,
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"id": "bbeb303b-5683-44cc-a924-0f2481d75528",
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"metadata": {},
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"outputs": [
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{
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"name": "stdout",
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"output_type": "stream",
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"text": [
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"selesai deklarasi variable\n"
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]
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}
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],
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"source": [
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"color = (0, 255, 0) # Warna hijau untuk penggambaran objek dan garis\n",
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"color_red = (0, 0, 255) # Warna merah untuk teks dan garis\n",
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"thickness = 2 # Ketebalan garis untuk penggambaran objek dan garis\n",
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"\n",
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"font = cv2.FONT_HERSHEY_SIMPLEX # Jenis font untuk teks\n",
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"font_scale = 0.5 # Skala font untuk teks\n",
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"\n",
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"# Path video yang akan diproses\n",
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"video_path = \"video/videonya.mp4\"\n",
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"model_path = \"models/yolov8n.pt\"\n",
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"\n",
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"# Buka video\n",
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"cap = cv2.VideoCapture(video_path)\n",
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"# Inisialisasi model YOLO dengan file weight yang telah dilatih sebelumnya\n",
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"model = YOLO(model_path)\n",
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"\n",
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"# Ukuran frame video\n",
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"width = 1280\n",
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"height = 720\n",
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"\n",
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"# Inisialisasi objek untuk menyimpan video hasil pemrosesan\n",
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"# fourcc = cv2.VideoWriter_fourcc(*'XVID')\n",
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"# writer = cv2.VideoWriter(\"video.avi\", fourcc, 20.0, (width, height))\n",
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"\n",
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"# Id objek kendaraan yang ingin dilacak berdasarkan kelas di file coco-classes.txt\n",
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"vehicle_ids = [1,2, 3, 5, 6,7]\n",
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"# Dictionary untuk menyimpan sejarah pergerakan setiap kendaraan yang terdeteksi\n",
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"track_history = defaultdict(lambda: [])\n",
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"\n",
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"up = {} # Dictionary untuk kendaraan yang melewati garis atas\n",
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"down = {} # Dictionary untuk kendaraan yang melewati garis bawah\n",
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"threshold = 400 # Ambang batas garis pemisah kendaraan\n",
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"\n",
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"print(\"selesai deklarasi variable\")"
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]
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},
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{
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"cell_type": "markdown",
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"id": "00596875-56e1-445a-bd8b-b2b3a73a411a",
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"metadata": {},
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"source": [
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"### Fungsi untuk mengambil titik tengah dari bounding box objek "
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]
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},
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{
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"cell_type": "code",
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"execution_count": 4,
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"id": "ffcffbd1-ad9b-4908-8930-bea2ba6b6ecb",
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"metadata": {},
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"outputs": [
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{
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"name": "stdout",
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"output_type": "stream",
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"text": [
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"Selesai membuat fungsi\n"
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]
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}
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],
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"source": [
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"def pega_centro(x, y, w, h):\n",
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" x1 = int(w / 2)\n",
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" y1 = int(h / 2)\n",
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" cx = x + x1\n",
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" cy = y + y1\n",
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" return cx, cy\n",
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"\n",
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"print(\"Selesai membuat fungsi\")"
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]
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},
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{
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"cell_type": "markdown",
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"id": "9f2e6c12-a70b-49f2-9083-a9c85b04e842",
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"metadata": {},
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"source": [
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"### Background subtraction menggunakan MOG2"
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]
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},
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{
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"cell_type": "code",
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"execution_count": 5,
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"id": "4b0f68b8-9216-49e6-892e-bbf2282d73b3",
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"metadata": {},
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"outputs": [
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{
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"name": "stdout",
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"output_type": "stream",
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"text": [
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"selesai\n"
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]
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}
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],
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"source": [
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"subtracao = cv2.createBackgroundSubtractorMOG2()\n",
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"print(\"selesai\")"
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]
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},
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{
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"cell_type": "markdown",
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"id": "0e9ea925-a617-45d3-b50c-273f4ee0163b",
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"metadata": {},
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"source": [
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"## Proses Video "
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]
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},
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{
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"cell_type": "code",
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"execution_count": null,
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"id": "705c59f4-fba5-498d-9e51-d002a0dc3226",
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"metadata": {},
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"outputs": [
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{
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"name": "stdout",
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"output_type": "stream",
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"text": [
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"Terjadi kesalahan: not enough values to unpack (expected 7, got 6)\n",
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"Terjadi kesalahan: not enough values to unpack (expected 7, got 6)\n",
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"Terjadi kesalahan: not enough values to unpack (expected 7, got 6)\n",
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"Terjadi kesalahan: not enough values to unpack (expected 7, got 6)\n",
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"Terjadi kesalahan: not enough values to unpack (expected 7, got 6)\n",
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"Terjadi kesalahan: not enough values to unpack (expected 7, got 6)\n",
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"Terjadi kesalahan: not enough values to unpack (expected 7, got 6)\n",
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"Terjadi kesalahan: not enough values to unpack (expected 7, got 6)\n",
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"Terjadi kesalahan: not enough values to unpack (expected 7, got 6)\n",
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"Terjadi kesalahan: not enough values to unpack (expected 7, got 6)\n",
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"Terjadi kesalahan: not enough values to unpack (expected 7, got 6)\n",
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"Terjadi kesalahan: not enough values to unpack (expected 7, got 6)\n",
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"Terjadi kesalahan: not enough values to unpack (expected 7, got 6)\n",
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"Terjadi kesalahan: not enough values to unpack (expected 7, got 6)\n",
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"Terjadi kesalahan: not enough values to unpack (expected 7, got 6)\n",
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"Terjadi kesalahan: not enough values to unpack (expected 7, got 6)\n",
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"Terjadi kesalahan: not enough values to unpack (expected 7, got 6)\n",
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"Terjadi kesalahan: not enough values to unpack (expected 7, got 6)\n",
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"Terjadi kesalahan: not enough values to unpack (expected 7, got 6)\n",
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"Terjadi kesalahan: not enough values to unpack (expected 7, got 6)\n",
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"Terjadi kesalahan: not enough values to unpack (expected 7, got 6)\n",
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"Terjadi kesalahan: not enough values to unpack (expected 7, got 6)\n",
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"Terjadi kesalahan: not enough values to unpack (expected 7, got 6)\n",
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"Terjadi kesalahan: not enough values to unpack (expected 7, got 6)\n",
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"Terjadi kesalahan: not enough values to unpack (expected 7, got 6)\n",
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"Terjadi kesalahan: not enough values to unpack (expected 7, got 6)\n",
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"Terjadi kesalahan: not enough values to unpack (expected 7, got 6)\n",
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"Terjadi kesalahan: not enough values to unpack (expected 7, got 6)\n",
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"Terjadi kesalahan: not enough values to unpack (expected 7, got 6)\n",
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"Terjadi kesalahan: not enough values to unpack (expected 7, got 6)\n",
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"Terjadi kesalahan: not enough values to unpack (expected 7, got 6)\n",
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"Terjadi kesalahan: not enough values to unpack (expected 7, got 6)\n",
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"Terjadi kesalahan: not enough values to unpack (expected 7, got 6)\n",
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"Terjadi kesalahan: not enough values to unpack (expected 7, got 6)\n",
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"Terjadi kesalahan: not enough values to unpack (expected 7, got 6)\n",
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"Terjadi kesalahan: not enough values to unpack (expected 7, got 6)\n",
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"Terjadi kesalahan: not enough values to unpack (expected 7, got 6)\n",
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"Terjadi kesalahan: not enough values to unpack (expected 7, got 6)\n",
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"Terjadi kesalahan: not enough values to unpack (expected 7, got 6)\n",
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"Terjadi kesalahan: not enough values to unpack (expected 7, got 6)\n",
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"Terjadi kesalahan: not enough values to unpack (expected 7, got 6)\n",
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"Terjadi kesalahan: not enough values to unpack (expected 7, got 6)\n",
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"Terjadi kesalahan: not enough values to unpack (expected 7, got 6)\n",
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"Terjadi kesalahan: not enough values to unpack (expected 7, got 6)\n",
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"Terjadi kesalahan: not enough values to unpack (expected 7, got 6)\n",
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"Terjadi kesalahan: not enough values to unpack (expected 7, got 6)\n",
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"Terjadi kesalahan: not enough values to unpack (expected 7, got 6)\n",
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"Terjadi kesalahan: not enough values to unpack (expected 7, got 6)\n",
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"Terjadi kesalahan: not enough values to unpack (expected 7, got 6)\n",
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"Terjadi kesalahan: not enough values to unpack (expected 7, got 6)\n"
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]
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}
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],
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"source": [
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"# Loop utama untuk membaca setiap frame dari video\n",
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"while True:\n",
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" ret, frame = cap.read() # Membaca frame dari video\n",
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" if ret == False: # Keluar dari loop jika tidak ada frame yang dapat dibaca\n",
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" break\n",
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" \n",
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" try:\n",
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" frame = imutils.resize(frame, width = 1280, height = 720) # ubah frame menjadi tinggi 720 x lebar 1280\n",
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" frame_color = frame.copy() # Salin frame ke mode warna untuk pengolahan dan penggambaran\n",
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" frame_gray = cv2.cvtColor(frame, cv2.COLOR_BGR2GRAY) # Konversi frame ke citra grayscale\n",
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" frame_gray = cv2.cvtColor(frame_gray, cv2.COLOR_GRAY2BGR) # Konversi kembali ke citra BGR untuk tampilan grayscale\n",
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" frame_bw = cv2.cvtColor(frame, cv2.COLOR_BGR2GRAY) # Konversi ke citra grayscale untuk mode black and white\n",
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"\n",
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" # Deteksi objek menggunakan model YOLO\n",
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" results = model.track(frame_color, persist=True, verbose=False)[0]\n",
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" bboxes = np.array(results.boxes.data.tolist(), dtype=\"int\") # Koordinat bounding box objek yang terdeteksi\n",
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"\n",
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" # Gambar garis pembatas untuk menghitung jumlah kendaraan yang melewati garis\n",
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" cv2.line(frame_color, (0, threshold), (1280, threshold), color, thickness)\n",
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" cv2.putText(frame_color, \"Pembatas Jalan\", (620, 445), font, 0.7, color_red, thickness)\n",
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"\n",
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" # Loop untuk setiap objek yang terdeteksi\n",
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" for box in bboxes:\n",
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" x1, y1, x2, y2, track_id, score, class_id = box # Ambil koordinat dan informasi lainnya\n",
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" cx = int((x1 + x2) / 2) # Hitung koordinat x pusat objek\n",
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" cy = int((y1 + y2) / 2) # Hitung koordinat y pusat objek\n",
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" if class_id in vehicle_ids: # Periksa apakah objek merupakan kendaraan yang ingin dilacak\n",
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" class_name = results.names[int(class_id)].upper() # Dapatkan nama kelas objek\n",
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"\n",
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" track = track_history[track_id] # Ambil sejarah pergerakan objek berdasarkan ID\n",
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" track.append((cx, cy)) # Tambahkan koordinat pusat objek ke dalam sejarah pergerakan\n",
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" if len(track) > 20: # Batasi panjang sejarah pergerakan agar tidak terlalu panjang\n",
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" track.pop(0) # Hapus elemen pertama jika sejarah sudah melebihi batas\n",
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"\n",
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" points = np.hstack(track).astype(\"int32\").reshape(-1, 1, 2) # Konversi sejarah pergerakan ke format yang sesuai untuk penggambaran\n",
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" cv2.polylines(frame_color, [points], isClosed=False, color=color, thickness=thickness) # Gambar garis yang merepresentasikan sejarah pergerakan\n",
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" cv2.rectangle(frame_color, (x1, y1), (x2, y2), color, thickness) # Gambar bounding box objek\n",
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" text = \"ID: {} {}\".format(track_id, class_name) # Buat teks ID objek dan nama kelasnya\n",
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" cv2.putText(frame_color, text, (x1, y1 - 5), font, font_scale, color, thickness) # Tampilkan teks di atas objek\n",
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"\n",
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" if cy > threshold - 5 and cy < threshold + 5 and cx < 670: # Periksa apakah objek melewati garis atas\n",
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" down[track_id] = x1, y1, x2, y2 # Simpan informasi objek yang melewati garis atas\n",
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"\n",
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" if cy > threshold - 5 and cy < threshold + 5 and cx > 670: # Periksa apakah objek melewati garis bawah\n",
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" up[track_id] = x1, y1, x2, y2 # Simpan informasi objek yang melewati garis bawah\n",
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"\n",
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" up_text = \"Kanan:{}\".format(len(list(up.keys()))) # Buat teks jumlah kendaraan yang melewati garis atas\n",
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" down_text = \"Kiri:{}\".format(len(list(down.keys()))) # Buat teks jumlah kendaraan yang melewati garis bawah\n",
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"\n",
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" cv2.putText(frame_color, up_text, (1150, threshold - 5), font, 0.8, color_red, thickness) # Tampilkan teks jumlah kendaraan yang melewati garis atas\n",
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" cv2.putText(frame_color, down_text, (0, threshold - 5), font, 0.8, color_red, thickness) # Tampilkan teks jumlah kendaraan yang melewati garis bawah\n",
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"\n",
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" # Background subtraction dan deteksi kontur\n",
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" grey = cv2.cvtColor(frame, cv2.COLOR_BGR2GRAY) # Konversi frame ke citra grayscale\n",
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" blur = cv2.GaussianBlur(grey, (3, 3), 5) # Reduksi noise menggunakan Gaussian Blur\n",
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" img_sub = subtracao.apply(blur) # Background subtraction\n",
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" dilat = cv2.dilate(img_sub, np.ones((5, 5))) # Dilasi untuk meningkatkan ketebalan objek\n",
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" kernel = cv2.getStructuringElement(cv2.MORPH_ELLIPSE, (5, 5)) # Kernel untuk operasi morfologi\n",
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" dilatada = cv2.morphologyEx(dilat, cv2.MORPH_CLOSE, kernel) # Operasi closing untuk mengisi lubang kecil pada objek\n",
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" dilatada = cv2.morphologyEx(dilatada, cv2.MORPH_CLOSE, kernel) # Operasi closing tambahan\n",
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" contorno, h = cv2.findContours(dilatada, cv2.RETR_TREE, cv2.CHAIN_APPROX_SIMPLE) # Deteksi kontur objek\n",
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"\n",
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" #writer.write(frame_color) # Menyimpan frame hasil pemrosesan\n",
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" # Menampilkan gambar\n",
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" cv2.imshow(\"Input\",frame) # inputan video\n",
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" cv2.imshow(\"Warna\", frame_color) # Tampilkan mode warna\n",
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" cv2.imshow(\"Grayscale\", frame_gray) # Tampilkan mode grayscale\n",
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" cv2.imshow(\"Detectar\", dilatada) # Tampilkan mode Detectar dilatada\n",
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" if cv2.waitKey(10) & 0xFF == ord(\"q\"): # Keluar saat tombol q ditekan\n",
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" break\n",
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"\n",
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" except Exception as e:\n",
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" print(\"Terjadi kesalahan:\", str(e)) # Tangkap dan tampilkan kesalahan yang terjadi\n",
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" continue # Lanjutkan ke iterasi berikutnya\n"
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]
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},
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{
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"cell_type": "markdown",
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"id": "ae345f06-2af7-4b93-b833-a14cc20f7d64",
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"metadata": {},
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"source": [
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"## Menutup Window OpenCV"
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]
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},
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{
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"cell_type": "code",
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"execution_count": null,
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"id": "15c70b25-1b92-43d8-9167-ebb88b2a8df7",
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"metadata": {},
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"outputs": [],
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"source": [
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"cap.release() # Bebaskan sumber daya setelah selesai pemrosesan video\n",
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"writer.release() # Tutup objek writer\n",
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"cv2.destroyAllWindows() # Tutup semua jendela yang dibuka oleh OpenCV"
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]
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}
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],
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"metadata": {
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"kernelspec": {
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"display_name": "Python 3 (ipykernel)",
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"language": "python",
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"name": "python3"
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},
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"language_info": {
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"codemirror_mode": {
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"name": "ipython",
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"version": 3
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},
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"file_extension": ".py",
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"mimetype": "text/x-python",
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"name": "python",
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"nbconvert_exporter": "python",
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"pygments_lexer": "ipython3",
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"version": "3.10.10"
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}
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},
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"nbformat": 4,
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"nbformat_minor": 5
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}
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