How can I find maxima and minima points of intensity plot of one row of an image?

I want to plot intensity of single row of an MRI image, for that firstly I wrote -

i=dicomread('mri_7.dcm');
imshow(i)
improfile

from this I got intensity plot of any row or column. Now I want to find maximum and minimum values of that plot.So,please help me to get solution of this obstacle.

Thank you

Answer 1

[Image Analyst]

Don't use i (the imaginary variable) as an image name or loop counter.

Try this:

oneRow = grayImage(myRow, :);
% Find the min and max
[minGL, indexOfMin] = min(oneRow)
[maxGL, indexOfMax] = max(oneRow)

See my demo, test.m, attached below in blue, which will generate the following figure.

[Samidha]

thank you very much for your reply.. I get max nd min value in numerical form, I don't find profile plot which i want. I write- grayImage=dicomread('mri_7.dcm'); oneRow = grayImage(111, :); % Find the min and max [minGL, indexOfMin] = min(oneRow) [maxGL, indexOfMax] = max(oneRow)

minGL =

    0

indexOfMin =

     1

maxGL =

105

indexOfMax =

    97

[Samidha]

Hey I got output..I am sorry for last last comment. thank you v much

Answer 2

[sixwwwwww]

you can use

max(i) % to find maximum value in a row/column vector

and

min(i) % to find minimum value in a row/column vector

sharing image to give specific solution will be further helpful