clc;
clear all;
addpath('E:\PhotoShop Algortihm\Image Processing\PS Algorithm');
Image=imread('4.jpg');
Image=double(Image)*0;
coeff_r=1;
coeff_g=1;
coeff_b=1;
[row, col, layer]=size(Image);
% 花环的中心位置
Center_X=(col+1)/2;
Center_Y=(row+1)/2;
a=150; % 控制花瓣的半径
N=720; % 控制组成花瓣的点数,越大,显得越密
k=4; % 控制花环的形状,不同的k生成不同形状的花环
delta_angle=360/N;
for angle=0:delta_angle:360
theta=angle*pi/180;
r=(a*sin(k*theta));
x=(r*cos(theta));
y=(r*sin(theta));
x0=floor(x+Center_X);
y0=floor(Center_Y-y);
Image(y0,x0,1)=coeff_r;
Image(y0,x0,2)=coeff_g;
Image(y0,x0,3)=coeff_b;
end
imshow(Image);
K=2
K=3
K=4