提交代码

Author: cxhuan

xianhuan/README.md

@@ -10,6 +10,8 @@ Python技术 公众号文章代码库
 
 ## 实例代码
 
+[嘿嘿！几行代码秒出美女素描图！](https://github.com/JustDoPython/python-examples/tree/master/xianhuan/pencilimg)：嘿嘿！几行代码秒出美女素描图！
+
 [几行代码就能实现漂亮进度条，太赞了！](https://github.com/JustDoPython/python-examples/tree/master/xianhuan/tqdm)：几行代码就能实现漂亮进度条，太赞了！
 
 [用Python来做一个屏幕录制工具](https://github.com/JustDoPython/python-examples/tree/master/xianhuan/videorecord)：用Python来做一个屏幕录制工具

xianhuan/pencilimg/pencilImg.py

@@ -0,0 +1,31 @@
+#!/usr/bin/env python3
+# -*- coding: utf-8 -*-
+"""
+@author: 闲欢
+"""
+import cv2
+
+# 读取 RGB 格式的美女图片
+img = cv2.imread("mv5.jpg")
+# 将 BGR 图像转为灰度模式
+gray_img = cv2.cvtColor(img, cv2.COLOR_BGR2GRAY)
+# 显示灰度图像
+# cv2.imshow('grey', gray_img)
+# cv2.waitKey(0)
+# cv2.imwrite("./grey.jpg", gray_img, [int(cv2.IMWRITE_PNG_COMPRESSION), 0])
+# 反转图像
+inverted_img = 255 - gray_img
+
+# 创建铅笔草图
+blurred = cv2.GaussianBlur(inverted_img, (21, 21), 0)
+inverted_blurred = 255 - blurred
+cv2.imwrite("./inverted_blurred.jpg", inverted_blurred, [int(cv2.IMWRITE_PNG_COMPRESSION), 0])
+pencil_sketch = cv2.divide(gray_img, inverted_blurred, scale=256.0)
+# 显示图像
+cv2.imshow("original", img)
+cv2.imshow("pencil", pencil_sketch)
+cv2.waitKey(0)
+
+
+
+