python图片转换特效 - 卡通滤镜 蜡笔特效

[python]代码库

#!/usr/bin/env python
# encoding: utf-8
'''
python图片转换特效 - 卡通滤镜 蜡笔特效
'''
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)
        # 定义双边滤波的数目
        num_bilateral = 7
        # 用高斯金字塔降低取样
        img_color = img
        # 双边滤波处理
        for i in range(num_bilateral):
            img_color = cv2.bilateralFilter(img_color, d=9, sigmaColor=9, sigmaSpace=7)
        # 灰度图像转换
        img_gray = cv2.cvtColor(img, cv2.COLOR_RGB2GRAY)
        # 中值滤波处理
        img_blur = cv2.medianBlur(img_gray, 7)
        # 边缘检测及自适应阈值化处理
        img_edge = cv2.adaptiveThreshold(img_blur, 255,
                                         cv2.ADAPTIVE_THRESH_MEAN_C,
                                         cv2.THRESH_BINARY,
                                         blockSize=9,
                                         C=2)
        # 转换回彩色图像
        img_edge = cv2.cvtColor(img_edge, cv2.COLOR_GRAY2RGB)
        # 与运算
        img_cartoon = cv2.bitwise_and(img_color, img_edge)
        # 显示图像
        cv2.imshow('src', img)
        cv2.imshow('dst', img_cartoon)
        cv2.waitKey()
        cv2.destroyAllWindows()


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

[代码运行效果截图]