本文实例为大家分享了python实现图片转换成素描和漫画格式的具体代码,供大家参考,具体内容如下
原图
图片转换后的成果
源码
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# -*- coding: utf-8 -*-
import cv2
from PIL import Image, ImageOps, ImageFilter
# 转换成漫画风格
def toCarttonStyle(picturePath):
# 设置输入输出路径和文件名称
imgInput_FileName = picturePath
imgOutput_FileName = picturePath.split( "." )[ 0 ] + '_cartoon.' + picturePath.split( "." )[ 1 ]
# 属性设置
num_down = 2 # 缩减像素采样的数目
num_bilateral = 7 # 定义双边滤波的数目
# 读取图片
img_rgb = cv2.imread(imgInput_FileName)
# 用高斯金字塔降低取样
img_color = img_rgb
for _ in range (num_down):
img_color = cv2.pyrDown(img_color)
# 重复使用小的双边滤波代替一个大的滤波
for _ in range (num_bilateral):
img_color = cv2.bilateralFilter(img_color, d = 9 , sigmaColor = 9 , sigmaSpace = 7 )
# 升采样图片到原始大小
for _ in range (num_down):
img_color = cv2.pyrUp(img_color)
# 转换为灰度并且使其产生中等的模糊
img_gray = cv2.cvtColor(img_rgb, cv2.COLOR_RGB2GRAY)
img_blur = cv2.medianBlur(img_gray, 7 )
# 检测到边缘并且增强其效果
img_edge = cv2.adaptiveThreshold(img_blur, 255 ,
cv2.ADAPTIVE_THRESH_MEAN_C,
cv2.THRESH_BINARY,
blockSize = 9 ,
C = 2 )
# 算法处理后,照片的尺寸可能会不统一
# 把照片的尺寸统一化
height = img_rgb.shape[ 0 ]
width = img_rgb.shape[ 1 ]
img_color = cv2.resize(img_color,(width,height))
# 转换回彩色图像
img_edge = cv2.cvtColor(img_edge, cv2.COLOR_GRAY2RGB)
img_cartoon = cv2.bitwise_and(img_color, img_edge)
# 保存转换后的图片
cv2.imwrite(imgOutput_FileName, img_cartoon)
print ( '文件转换成漫画成功,保存在' + imgOutput_FileName)
# 透明度转换 素描转换的一部分
def dodge(a, b, alpha):
# alpha为图片透明度
return min ( int (a * 255 / ( 256 - b * alpha)), 255 )
# 图片转换为素描
def toSketchStyle(picturePath, blur = 25 , alpha = 1.0 ):
# 设置输入输出路径和文件名称
imgInput_FileName = picturePath
imgOutput_FileName = picturePath.split( "." )[ 0 ] + '_Sketch.' + picturePath.split( "." )[ 1 ]
# 转化成ima对象
img = Image. open (picturePath)
# 将文件转成灰色
img1 = img.convert( 'L' )
img2 = img1.copy()
img2 = ImageOps.invert(img2)
# 模糊度
for i in range (blur):
img2 = img2. filter (ImageFilter.BLUR)
width, height = img1.size
for x in range (width):
for y in range (height):
a = img1.getpixel((x, y))
b = img2.getpixel((x, y))
img1.putpixel((x, y), dodge(a, b, alpha))
# 保存转换后文件
img1.save(imgOutput_FileName)
print ( '文件转换成漫画成功,保存在' + imgOutput_FileName)
if __name__ = = '__main__' :
imgInput_FileName = input ( '输入文件路径:' )
while True :
print ( '1、漫画风格' )
print ( '2、素描风格' )
userChoose = input ( '请选择风格(输入序号即可):' )
if userChoose.__eq__( '1' ):
toCarttonStyle(imgInput_FileName)
break
elif userChoose.__eq__( '2' ):
toSketchStyle(imgInput_FileName)
break
else :
print ( '违法输入(请输入序号)' )
break
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以上就是本文的全部内容,希望对大家的学习有所帮助,也希望大家多多支持服务器之家。
原文链接:https://blog.csdn.net/Mr_Qian_Ives/article/details/107313302