%%% Perlin Noise%%% Wood_textureclc;clear all;close all;addpath('E:\PhotoShop Algortihm\Image Processing\PS Algorithm');Image=imread('9.jpg');Image=double(Image);[row,col,layer]=size(Image);baseNoise=Generate_basenoise(row, col);persistance = 0.5;octaveCount=6;Cloud_texture=Cloud_generate(baseNoise,persistance,octaveCount);% figure,% imshow(Cloud_texture);turbePower=0.45;period=10;Center_X=(col+1)/2;Center_Y=(row+1)/2;Wood=zeros(row, col);for i=1:rowfor j=1:colxValue=(j-Center_X)/col;yValue=(i-Center_Y)/row;distValue=sqrt(xValue*xValue+yValue*yValue)+turbePower*Cloud_texture(i,j);Wood(i,j)=abs(sin(2*period*distValue*pi))*128;endendfigure, imshow(Wood/128);Image_new=Image;Image_new(:,:,1)=uint8(Wood+80);Image_new(:,:,2)=uint8(Wood+30);Image_new(:,:,3)=uint8(30);figure,imshow(Image_new/255);%%% Cloud generatefunction Cloud_texture=Cloud_generate(baseNoise,persistance,octaveCount)[row, col]=size(baseNoise);Cloud_texture=zeros(row,col);totalAmplitude = 0.0;for i=0:octaveCountamplitude=persistance.^(octaveCount-i);% amplitude=persistance.^i;totalAmplitude=totalAmplitude+amplitude;Cloud_texture=Cloud_texture+Generate_smoothnoise(baseNoise, i)*amplitude;endCloud_texture=Cloud_texture/totalAmplitude;
效果图
，放手后的微笑，只是用来掩盖疼痛的伤疤…
