js_reverse/pdf处理/program/image_compare.py
2023-07-21 02:02:12 +08:00

40 lines
1.3 KiB
Python

import cv2
import numpy as np
# 找图 返回最近似的点
def search_returnPoint(img, template, template_size):
img_gray = cv2.cvtColor(img, cv2.COLOR_BGR2GRAY)
template_ = cv2.cvtColor(template, cv2.COLOR_BGR2GRAY)
result = cv2.matchTemplate(img_gray, template_, cv2.TM_CCOEFF_NORMED)
threshold = 0.7
# res大于70%
loc = np.where(result >= threshold)
# 使用灰度图像中的坐标对原始RGB图像进行标记
point = ()
for pt in zip(*loc[::-1]):
cv2.rectangle(img, pt, (pt[0] + template_size[1], pt[1] + + template_size[0]), (7, 249, 151), 2)
point = pt
if point == ():
return None, None, None
return img, point[0] + template_size[1] / 2, point[1]
def run(target_image_path, image_path):
scale = 1
img = cv2.imread(target_image_path) # 要找的大图
img = cv2.resize(img, (0, 0), fx=scale, fy=scale)
template = cv2.imread(image_path) # 图中的小图
template = cv2.resize(template, (0, 0), fx=scale, fy=scale)
template_size = template.shape[:2]
img, x_, y_ = search_returnPoint(img, template, template_size)
if img is None:
return False
else:
print(f"找到图片位置:{x_, y_}")
return True
if __name__ == '__main__':
run('../target_img/image_6.jpg', '../img/cma.jpg')