分类：ps滤镜

2020
12-05

Python实现PS滤镜中的USM锐化效果

本文用Python实现PS滤镜中的USM锐化效果importmatplotlib.pyplotaspltfromskimageimportiofromskimage.filtersimportgaussianfile_name='D:/VisualEffects/PSAlgorithm/4.jpg';img=io.imread(file_name)img=img*1.0gauss_out=gaussian(img,sigma=5,multichannel=True)#alpha0-5alpha=1.5img_out=(img-gauss_out)*alpha+imgimg_out=img_out/255.0#饱和处理mask_1=img_out<0mask_2=... 继续阅读 >
2020
12-03

Python 实现PS滤镜的旋涡特效

实现效果：实现代码importnumpyasnpfromskimageimportimg_as_floatimportmatplotlib.pyplotaspltfromskimageimportioimportmathimportnumpy.matlibfile_name2='D:/2020121173119242.png'#图片路径img=io.imread(file_name2)img=img_as_float(img)row,col,channel=img.shapeimg_out=img*1.0degree=70center_x=(col-1)/2.0center_y=(row-1)/2.0xx=np.arange(col)yy=np.arange(row)x_mask... 继续阅读 >
2020
12-03

Python 实现PS滤镜中的径向模糊特效

实现效果实现代码fromskimageimportimg_as_floatimportmatplotlib.pyplotaspltfromskimageimportioimportnumpyasnpimportnumpy.matlibfile_name='D:/2020121173119242.png'#图片路径img=io.imread(file_name)img=img_as_float(img)img_out=img.copy()row,col,channel=img.shapexx=np.arange(col)yy=np.arange(row)x_mask=numpy.matlib.repmat(xx,row,1)y_mask=numpy.matlib.repmat(yy,col... 继续阅读 >