i am trying to implement probality density function on an image but i can not understand how to calculate data, mu and sigma.here is my code is it right to take data as pixl value

1 次查看（过去 30 天）
bushra mughal
bushra mughal 2015-8-23
评论： bushra mughal 2015-8-29
k = imread('2.jpg');
img2=rgb2gray(k);
sigma =?;
mu=?
pd = makedist('Normal',mu,sigma);
data = img2(I,j)
y = pdf(pd,data);
figure,
plot(data,y,'LineWidth',2)

请先登录，再回答此问题。

采纳的回答

Walter Roberson
Walter Roberson 2015-8-23
mu = mean2(img2);
sigma = std2(img2);
  4 个评论
显示 2更早的评论

请先登录，再进行评论。

更多回答（0 个）

类别

在 Help Center 和 File Exchange 中查找有关 Geometric Transformation and Image Registration 的更多信息

标签

Community Treasure Hunt

Find the treasures in MATLAB Central and discover how the community can help you!

Start Hunting!

Translated by