清空筛选条件
清空筛选条件

how to plot in red colour on image

9 次查看（过去 30 天）
mohd
mohd 2012-4-19
hi.. i have coordinate (x y)on image. i want to plot to red color on that image. how to do this. thanks

请先登录，再回答此问题。

采纳的回答

Image Analyst
Image Analyst 2012-4-19
Maybe you mean
plot(columnX, rowY, 'r+', 'MarkerSize', 30, 'LineWidth', 3);
If not, describe what you mean by "plot to red".

更多回答（1 个）

Geoff
Geoff 2012-4-19
You mean you want to change the pixel at x,y to red?
img(y,x,:) = [255 0 0]

类别

在 Help Center 和 File Exchange 中查找有关 Image Arithmetic 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