Matlab Problem with an Image

Hi everyone,

I am new to MATLAB Image Processing and I need your help; how can I extract the values that belongs to an object like a line?Thanks in advance

Answer 1

[Matt J]

A=rgb2gray(imread('https://www.mathworks.com/matlabcentral/answers/uploaded_files/763086/image.jpeg'));

B=bwareafilt( imbinarize(A-medfilt2(A,[5,5])) ,1)  ;

pixelValues=A(B)

pixelValues = 75×1

237 215 207 250 246 176 187 226 243 242

imshow(B)