marking a pixel on an image

hello, I am working with hyperspectral images.After certain calculations on latitude longitude values i got back the pixel values.Now i want to mark those pixels on the image.Can you please help me??

Thank you!! Ekta Shah

Answer 1

[Image Analyst]

Use

hold on;
plot(longitude, latitude, 'r+', 'MarkerSize', 5, 'LineWidth', 3);

or other parameters in plot() to get it looking the way you want.

(longitude, latitude) are the (x,y) values (i.e., column, row) values of your image.