import cv2 as cv
import numpy
from matplotlib import pyplot as plt
img = cv.imread('screen_4.jpg',0)
img2 = img.copy()
template = cv.imread('temp_2.bmp',0)
w, h = template.shape[::-1]
methods = ['cv.TM_CCOEFF', 'cv.TM_CCOEFF_NORMED', 'cv.TM_CCORR',
'cv.TM_CCORR_NORMED', 'cv.TM_SQDIFF', 'cv.TM_SQDIFF_NORMED']
for meth in methods:
img = img2.copy()
method = eval(meth)
rev = cv.matchTemplate(img, template, method)
min_val, max_val, min_loc, max_loc = cv.minMaxLoc(rev)
if method in [cv.TM_SQDIFF, cv.TM_SQDIFF_NORMED]:
top_left = min_loc
else:
top_left = max_loc
bottom_right = (top_left[0] + w, top_left[1] + h)
cv.rectangle(img, top_left, bottom_right, 255, 2)
print(top_left, bottom_right)
plt.subplot(121), plt.imshow(rev, cmap='gray')
plt.title('Matching Result'), plt.xticks([]), plt.yticks([])
plt.subplot(122), plt.imshow(img, cmap='gray')
plt.title('Detected Point'), plt.xticks([]), plt.yticks([])
plt.suptitle(meth)
plt.show()
Что делать? Есть ли 100% варианты распознавания объектов по шаблону?