def select_lines(self): image_gray = img_fun.image_gray(self.image) image_bin = cv2.adaptiveThreshold(image_gray, 255, cv2.ADAPTIVE_THRESH_MEAN_C, cv2.THRESH_BINARY_INV, 33, 5) horizontalsize = 50 horizontalStructure = cv2.getStructuringElement(cv2.MORPH_RECT, (horizontalsize, 1)) image_bin = cv2.erode(image_bin, horizontalStructure, iterations=1) image_bin = cv2.dilate(image_bin,horizontalStructure, iterations=1) # image_bin = cv2.dilate(image_bin,np.ones((2,500)), iterations=1) image_bin = cv2.dilate(image_bin,np.ones((2,200)), iterations=1) img,reg,pos = self.select_horizontal_lines(self.image.copy(),image_bin) lines,groups = npt.add_additional_lines(pos) self.lines = lines self.groups = groups # cv2.imshow('lines',cv2.resize(image_bin, (1000, 750), interpolation=cv2.INTER_NEAREST)) # cv2.waitKey(0) # cv2.imshow('aaaaaaaaaa',img) img_fun.show_image('bin',image_bin) img_fun.show_image('img' ,img)
def get_groups(self,image): gray = cv2.cvtColor(image, cv2.COLOR_BGR2GRAY) ret, image_bin = cv2.threshold(gray, 180, 255, cv2.THRESH_BINARY) image_bin=img_fun.invert(image_bin) horizontalsize = 200; horizontalStructure = cv2.getStructuringElement(cv2.MORPH_RECT, (horizontalsize, 1)); image_bin = cv2.erode(image_bin, horizontalStructure, iterations=1) image_bin = cv2.dilate(image_bin,horizontalStructure, iterations=1) image_orig, selected_regions, lines = nt_fun.select_horizontal_lines(image.copy(), image_bin) lines,groups = nt_fun.add_additional_lines(lines) return groups