MATLAB QUESTIONS & EXPERT ANSWERS

I am trying to plot the individual pixels of an image  on a surface plot, I have converted the image from RGB to grayscale - below is the code I have...

I want to find the indices (x y coordinate) of pixels that have a specfic RGB values (237,28,36) for example, in an image  with the dimension of (16x...

clc clear all MV = imread('cars1.jpg'); %To read image MV1 = imread('backgnd.jpg'); A = double(rgb2gray(MV));%convert to gray B= double(rgb2gray(MV1))...

I have an Image called checkerboard, now i know the size of one square block is 34 x 34 mm. how can i find that in that one square block 34mm has how ...

I am confused how regionprops organizes the results? I have a picture that has 7 dark spots on it and need to calculate the area of each.Using regionp...

I have an image(512x512) and i want to do zero-padding in order to covolute it with a filter . The problem here is that i dont know how to do that ,me...

i am trying to convolute an image (512x512) with a filter (3x3) .For this process i am using both covv2() and imfilter() . These functions are suppose...

I have a sequence of images and I would like to perform dilation on each of them with different dilation parameters. Then, I would like to save the pr...

i embeded a watermark in RGB color image now i want to calculate PSNR and MSE of original and watermarked images . how can i find PSNR and MSE of orig...

Hello, I'm working on image encryption. I need to see how well my encryption is so i thght of adding noise and testing it.I added gaussian noise with ...