compare the intensity of a pixel with the one next to it

1 次查看（过去 30 天）
Yassine Zaafouri
Yassine Zaafouri 2017-1-25
评论： Yassine Zaafouri 2017-1-25
I have an Image (grayscale) and i want to compare each Pixel with the one next to it and if the value increases or decreases with more than 300 , i want to store its Location and then plot it with another Color on the picture . can any one help me please ? Thank you

请先登录，再回答此问题。

采纳的回答

Takuji Fukumoto
Takuji Fukumoto 2017-1-25
if 'one next to it' means right side pixcel, you can identify the value increase/decrease more than 300.
I = imread('filename');
r = numel(I(:,1))
ext = zeros(r,1);
I1 = [I ext];
I2 = [ext I];
I3 = I1-I2;
Iout = abs(I3) > 300;

更多回答（0 个）

类别

在 Help Center 和 File Exchange 中查找有关 Image Processing Toolbox 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