opencv模板匹配
import cv2 # 加载标准图像 template = cv2.imread('template.jpg') # 预处理输入图像 gray = cv2.cvtColor(template, cv2.COLOR_BGR2GRAY) gray = cv2.GaussianBlur(gray, (5, 5), 0) # 创建背景减除器 background = cv2.subtract(template, gray) # 创建分类器 classifier = cv2.HOGDescriptor() # 在待检测图像上进行预测 result = cv2.matchTemplate(gray, template, classifier) # 对预测结果进行后处理 # 根据分类器的输出结果,确定目标对象的位置和类别,并进行相应的处理 # 显示检测结果 for i in range(template.shape[0]): for j in range(template.shape[1]): for k in range(3): if result[i, j, k] == 0: center_x, center_y, w, h = cv2.boundingRect(result[i, j, k]) cv2.rectangle(img, (center_x, center_y), (center_x + w, center_y + h), (0, 255, 0), 2) cv2.imshow('Result', img) cv2.waitKey(0) cv2.destroyAllWindows()
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标签:gray,匹配,center,cv2,opencv,result,template,模板 From: https://www.cnblogs.com/herd/p/17350423.html