上傳檔案到 ''

opencv_yolov8_count.py

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+import cv2
+import argparse
+from ultralytics import YOLO
+import supervision as sv
+import numpy as np
+import requests
+import time
+import pandas as pd
+import os
+from ultralytics.yolo.utils.plotting import Annotator, colors, save_one_box
+
+ZONE_POLYGON = np.array([
+    [0, 0],
+    [0.3, 0],
+    [0.3, 1],
+    [0, 1]
+])
+
+
+def parse_arguments() -> argparse.Namespace:
+    parser = argparse.ArgumentParser(description="YOLOv8 live")
+    parser.add_argument(
+        "--webcam-resolution",
+        default=[800, 600],
+        nargs=2,
+        type=int
+    )
+    args = parser.parse_args()
+    return args
+
+def main():
+    args = parse_arguments()
+    frame_width, frame_height = args.webcam_resolution
+    # print(frame_width,frame_height)
+    cap = cv2.VideoCapture(0)
+    cap.set(cv2.CAP_PROP_FRAME_WIDTH, frame_width)
+    cap.set(cv2.CAP_PROP_FRAME_HEIGHT, frame_height)
+
+    # model = YOLO("yolov8n.pt")
+    #使用模組
+    model = YOLO("best.pt")
+
+    #設定辨識方框參數
+    box_annotator = sv.BoxAnnotator(
+        thickness=2,
+        text_thickness=2,
+        text_scale=1
+    )
+
+    #設定區塊參數
+    zone_polygon = (ZONE_POLYGON * np.array(args.webcam_resolution)).astype(int)
+    zone = sv.PolygonZone(polygon=zone_polygon, frame_resolution_wh=tuple(args.webcam_resolution))
+    zone_annotator = sv.PolygonZoneAnnotator(
+        zone=zone,
+        color=sv.Color.blue(),
+        thickness=2,
+        text_thickness=4,
+        text_scale=2
+    )
+    # count 計算數量
+    # FPS_count 計算FPS
+    # start_time 用於計算FPS時間
+    count = 0
+    FPS_count = 0
+    font = cv2.FONT_HERSHEY_SIMPLEX
+    color = (255,0,0)
+
+    start_time = time.time()
+
+    while True:
+        ret, frame = cap.read()
+        result = model(frame, agnostic_nms=True,save_crop=False,save_conf=False)[0]
+        detections = sv.Detections.from_yolov8(result)
+
+        #辨識到的名稱與準確度
+        labels = [
+            f"{model.model.names[class_id]} {confidence:0.2f}"
+            for _, confidence, class_id, _
+            in detections
+        ]
+
+        #辨識名稱
+        labels_name = [
+            f"{model.model.names[class_id]}"
+            for _, confidence, class_id, _
+            in detections
+        ]
+        #辨識準確度
+        labels_confidence = [
+            f"{confidence:0.2f}"
+            for _, confidence, class_id, _
+            in detections
+        ]
+
+        #畫面顯示辨識框
+        frame = box_annotator.annotate(
+            scene=frame,
+            detections=detections,
+            labels=labels
+        )
+
+        #抓取辨識框的資料
+        boxes_confidence = result.boxes.conf
+        boxes_confidence = boxes_confidence * 100
+        print(boxes_confidence)
+
+        #顯示區塊內結果
+        mask = zone.trigger(detections=detections)
+
+        # 區塊內有辨識到會寫True，判斷等於'Fatwolf'時，判斷辨識框的準確度是否大於等於50，
+        # 如果是就計算次數+1且把辨識框內的圖片擷取下來並記錄到txt。
+        if mask.any() == True:
+            if labels_name == 0:
+                continue
+            elif labels_name == ['Fatwolf']:
+                print('fatwolf')
+                #count += 1
+                #x1,y1,x2,y2辨識框的座標
+                x1 = result.boxes.xyxy[0][0]
+                y1 = result.boxes.xyxy[0][1]
+                x2 = result.boxes.xyxy[0][2]
+                y2 = result.boxes.xyxy[0][3]
+                if int(boxes_confidence) >= 50:
+                    count += 1
+                    roi2 = frame[int(y1) + 4:int(y2) - 2, int(x1) + 4:int(x2) - 2]
+                    now_time = time.strftime("%Y-%m-%d-%H-%M-%S", time.localtime(time.time()))
+                    save_pic_name = now_time+'_'+str(count) + '.jpg'
+                    print("存圖片：",save_pic_name, "可信度：",int(boxes_confidence))
+                    cv2.imwrite(save_pic_name, roi2)
+                    path = 'output.txt'
+                    with open(path, 'a') as f:
+                        f.write(now_time+'_'+str(count) + '.jpg'+' 可信度：'+str(boxes_confidence)+'\n')
+                else:
+                    continue
+            elif labels_name == ['Bottle']:
+                print('Bottle')
+        # 畫面添加區塊顯示
+        frame = zone_annotator.annotate(scene=frame)
+        # 即時顯示計算區塊內辨識到的次數
+        cv2.putText(frame, 'Count: {}'.format(count), (10, 50), font, 1, color, 2, cv2.LINE_AA)
+        # 計算FPS實際幀數並即時顯示
+        FPS_count += 1
+        fps = FPS_count / (time.time() - start_time)
+        cv2.putText(frame, 'FPS: {:.2f}'.format(fps), (frame.shape[1]-200, 50), font, 1, color, 2, cv2.LINE_AA)
+
+        cv2.imshow("yolov8", frame)
+
+        key = cv2.waitKey(1)
+        if key == ord('q'):
+            break
+
+
+if __name__ == "__main__":
+    main()