How to find the pixel value of the center pixel and the maximum pixel value difference of the image?

14 次查看（过去 30 天）
Warid Islam
Warid Islam 2022-9-30
评论： Warid Islam 2022-9-30
I want to extract a couple of properties from an image, They are:
1) Pixel value of the center pixel
2) Maximum pixel value difference of the image.
I tried impixel for the first part but I don't get any value. Any suggestions would be appreciated. Thank you.

请先登录，再回答此问题。

采纳的回答

Image Analyst
Image Analyst 2022-9-30
Try this
[rows, columns, numberOfColorChannels] = size(yourImage);
% Find location of the center pixel.
middleRow = round(rows/2);
middleColumn = round(columns/2);
% Get its gray level.
centerPixelValue = yourImage(middleRow, middleColumn, :)
To get the max pixel value difference over the whole image do
maxGrayLevelRange = range(yourImage, 'all')

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

产品


版本

R2022a

Community Treasure Hunt

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

Start Hunting!

Translated by