我已經拆分了以并行方式排列的圖像,并像下面的圖像一樣保存了它們.

這是我的工作代碼,用于拆分方形復選框和該圖像中的文本.

# Import necessary libraries

from matplotlib import pyplot as plt

import cv2

# Read image

image = cv2.imread('data_2/5.png')

# Height and width of the image

height, width = image.shape[:2]

print("Dimensions of the image.")

print("Height:",height)

print("Width:",width)

gray = cv2.cvtColor(image, cv2.COLOR_BGR2GRAY)

gray = cv2.GaussianBlur(gray, (5,5), 0)

# Finding Edges

edges = cv2.Canny(gray, 60, 255)

# contours -> an outline representing or bounding the shape.

_,cnts, hierarchy = cv2.findContours(edges.copy(), cv2.RETR_EXTERNAL, cv2.CHAIN_APPROX_SIMPLE)

contours = sorted(cnts, key=cv2.contourArea, reverse=True)[:10]

count = 1

for contour in contours:

if(count<=4):

#print("Count:",count)

count = count + 1

area = cv2.contourArea(contour)

if area > 100000 and area < 1000:

contours.remove(contour)

perimeter = cv2.arcLength(contour, True)

approx = cv2.approxPolyDP(contour, 0.01*perimeter, True)

if len(approx) == 4:

cv2.circle(image, (720, 360), 5, (255,0,0), 5)

cv2.drawContours(image, [approx], -1, (0, 255, 0), 2)

M = cv2.moments(approx)

centers = []

if M["m00"] != 0:

cX = int(M["m10"] / M["m00"])

cY = int(M["m01"] / M["m00"])

else:

cX, cY = 0, 0

P1 = approx[0]

P1x = P1[0][0]

P1y = P1[0][1]

P2 = approx[1]

P2x = P2[0][0]

P2y = P2[0][1]

P3 = approx[2]

P3x = P3[0][0]

P3y = P3[0][1]

P4 = approx[3]

P4x = P4[0][0]

P4y = P4[0][1]

plt.imshow(image)

plt.title('Detecting Square')

plt.show()

# Cropping the square_image using array slices -- it's a NumPy array

cropped_square = image[P1y:P3y, P2x:P3x]

# Cropping the text image

cropped_text = image[P1y:P3y,P3x+5:width]

# Displaying the cropped square and cropped text image.

plt.imshow(cropped_square)

plt.title('Cropped Square')

plt.show()

plt.imshow(cropped_text)

plt.title('Cropped Text')

plt.show()

# Now saving the cropped square and cropped text image

cv2.imwrite('results/square1.png',cropped_square)

cv2.imwrite('results/text1.png',cropped_text)

以上程序的輸出：

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總結

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