add
wangzhibo
2022-03-24 db44060a8de04f55557badee55cd617392d65c5b
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# -*- coding: utf-8 -*-
import datetime
import time
import cv2
from cv2 import waitKey
import uuid
from _image_clip_setting import image_clip
import sys
 
def check_frame(frame):
    image = frame[image_clip[0]:image_clip[1], image_clip[2]:image_clip[3]]
    #cv2.imshow('src',image)
    gray = cv2.cvtColor(image, cv2.COLOR_BGR2GRAY)
    thresh = cv2.threshold(gray, 0, 255,
                       cv2.THRESH_BINARY_INV | cv2.THRESH_OTSU)[1]
    kernel = cv2.getStructuringElement(cv2.MORPH_ELLIPSE, (6, 6))
    counter = cv2.morphologyEx(thresh.copy(), cv2.MORPH_OPEN, kernel)
    contours, hierarchy = cv2.findContours(counter,cv2.RETR_TREE,cv2.CHAIN_APPROX_SIMPLE)
    contours_count = 0
    image_h = image.shape[0]
    for c in contours:
        x, y, w, h = cv2.boundingRect(c)
        if hierarchy[0][contours_count][3] ==0 and h > image_h * 0.3:
            print((x, y, w, h))
            cv2.rectangle(image, (x, y), (x+w, y+h), (0, 255, 0), 2)
        contours_count += 1
    cv2.imshow('frame',image)
    if cv2.waitKey(100) & 0xFF == ord('q'): #按q退出
        cv2.waitKey(0)
        
cap = cv2.VideoCapture(sys.argv[1])  # for testing
while(cap.isOpened()):
    ret, frame = cap.read()
    if ret==True:
        check_frame(frame) 
    else:
        break
cap.release()