PythonOpenCV随机粘贴图像

impindex.php/tags-1038.html" >ort cv2

import numpy as np

import random

# 读取两个图像

image1 = cv2.imread('image1.jpg')

image2 = cv2.imread('image2.jpg')

# 将image1转换为灰度图像

gray_image1 = cv2.cvtColor(image1, cv2.COLOR_BGR2GRAY)

# 创建掩码，黑色部分为0，非黑色部分为255

_, mask = cv2.threshold(gray_image1, 1, 255, cv2.THRESH_BINARY)

# 反转掩码

mask_inv = cv2.bitwise_not(mask)

# 获取图像1中有效区域的高度和宽度

height1, width1, _ = image1.shape

# 获取图像2的高度和宽度

height2, width2, _ = image2.shape

# 生成随机位置

random_y = random.randint(0, height2 - height1)

random_x = random.randint(0, width2 - width1)

# 创建ROI(Region of Interest)，确保不超出图像2的范围

roi = image2[random_y:random_y + height1, random_x:random_x + width1]

# 创建ROI的反向掩码

roi_bg = cv2.bitwise_and(roi, roi, mask=mask_inv)

# 获取图像1中有效区域的前景

fg = cv2.bitwise_and(image1, image1, mask=mask)

# 合并前景和背景

dst = cv2.add(roi_bg, fg)

# 将合并后的图像放回图像2的相应位置

image2[random_y:random_y + height1, random_x:random_x + width1] = dst

# 显示结果

cv2.imshow('Merged Image', image2)

cv2.waitKey(0)

cv2.destroyAllWindows()