python图片转浮雕滤镜 轮廓

[python]代码库

#!/usr/bin/env python
# encoding: utf-8

import cv2
import numpy as np


class picture:

    def __init__(self):
        self.path = 'assets/picture.jpeg'

    def hello(self):
        return self

    def run(self):
        # 读取原始图像
        img = cv2.imread(self.path, 1)
        # 获取图像的高度和宽度
        height, width = img.shape[:2]
        # 图像灰度处理
        gray = cv2.cvtColor(img, cv2.COLOR_BGR2GRAY)
        # 创建目标图像
        dstImg = np.zeros((height, width, 1), np.uint8)
        # 浮雕特效算法：newPixel = grayCurrentPixel - grayNextPixel + 150
        for i in range(0, height):
            for j in range(0, width - 1):
                grayCurrentPixel = int(gray[i, j])
                grayNextPixel = int(gray[i, j + 1])
                newPixel = grayCurrentPixel - grayNextPixel + 150
                if newPixel > 255:
                    newPixel = 255
                if newPixel < 0:
                    newPixel = 0
                dstImg[i, j] = newPixel

        # 显示图像
        cv2.imshow('src', img)
        cv2.imshow('dst', dstImg)
        # 等待显示
        cv2.waitKey()
        cv2.destroyAllWindows()


if __name__ == '__main__':
    picture().hello().run()

[代码运行效果截图]