MATLAB QUESTIONS & EXPERT ANSWERS

 using the Laplacian of the Gaussian or Sobel filters, of user-specified size and parameters where applicable. how to apply filters of varying size...

I have an gray scale image of size uint16. when i try to open this image , i get warning that it is too big. I have tried imresize( ) function to make...

I need to get the rest of the numbers and characters in between?   for t = 1 between = (180:1:200); char = char(between); fprintf('%d %c\n',between ,...

I would like to create a NxM white image. But how to put color vectors [256 256 256] into a 2D array?  ...

I = imread('img.jpg'); I = (double(I).^3)   The problem is, when I do operations like I.^3, pixels go far away from 255 value. I need them to be in r...

I have black and white image data that is stored in a matrix, 'img'. When I execute the following commands, I can see the image in black and white:  ...

How do I obtain the coordinates of the mouse on the screen displayed somewhere in my figure window?...

I have created a GUI with GUIDE, and I would like to let app users print an image of the app with a button. How can I do this?  ...

I have signal and i want to plot it's power spectral density , What should i do? is it right if i first calculate the FFT of a signal and then get the...

I want to plot spectrum diagram which gives the frequency content of a signal x(t) for example if i draw spectrum of x(t) = 14 cos(200*pi*t -pi/3) by ...