The question is to plot the intensity profile of pixels along the middle row of an image.

I am unable to find the middle row's first and last coordinates of the image and I want to do automatically not manually entering the coordinates.I have attached the image for which I have to find intensity profile.Could you help..

Answer 1

[Image Analyst]

Try this:

% Get size of image:
[rows, columns, numberOfColorChannels] = size(yourImage);
middleRow = round(rows/2)
x = 1 : columns;
plot(x, middleRow, 'b-', 'LineWidth', 2);
grid on;
xlabel('Column', 'FontSize', 15);
ylabel('Gray Level', 'FontSize', 15);

[Abhinandan Hazarika]

Thank you.I tried this code and it is working fine.