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#TemplateMatchModes
'''

    ·TM-SQDIFF              计算平方不同，计算出来的值越小，越相关
    ·TM_CCORR               计算相关性，计算出来的值越大，越相关
    ·TM_CCOEFF              计算相关系数，计算出来的值越大，越相关
    ·TM_SQDIFF_NORMED       计算归一化平方不同，计算出来的值越接近0，越相关
    ·TM_CCORR_NORMED        计算归一化相关性，计算出来的值越接近1，越相关
    `TM_CCOEFF_NORMED       计算归一化相关系数，计算出来的值越接近1，越相关

'''
import cv2
img = cv2.imread("dm.png")
template = cv2.imread("dm_face.png")
h,w = template.shape[:2]

print(img.shape)
print(template.shape)

#模板匹配
methods = ['cv2.TM_CCOEFF','cv2.TM_CCOEFF_NORMED','cv2.TM_CCORR','cv2.TM_CCORR_NORMED',
           'cv2.TM_SQDIFF','cv2.TM_SQDIFF_NORMED']

res = cv2.matchTemplate(img,template,1)
print(res.shape)