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shikha gautam


Active since 2015

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I want to subtract gray values of two images and want to make those regions as black where gray values doesn't match.But I am having problem in coding in the if condition where I want to compare gray values of images.
Please let me know how to get gary value of every pixel location and how to compare them. The code what i have done is: ...

9 years ago | 1 answer | 0

1

answer

Question


How can we use integral image for forgery detection in code..
how to work with integral image for a given image J = integralImage(I); J gives dimention error,it should be 2 dimentional ima...

9 years ago | 1 answer | 0

1

answer

Question


How to get ith filter from the 8*8 DCT Basis .
I want to do convolution my image with the filters of 8*8 DCT Basis.But I am getting problem in getting ith filter from DCT Basi...

9 years ago | 0 answers | 0

0

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Question


how to use SVM classifier for a single image.
I want to classify image blocks based on variation in standard deviation of image blocks. I want to get those blocks whose stan...

9 years ago | 0 answers | 0

0

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Question


I want to pass each block and process them one by one using a function
For this I have used im2col for extracting each block one by one as column. and want pass it to a function and process each colu...

9 years ago | 0 answers | 0

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Question


Block Segmentation and get noise variance of each block using PCA. PCA code is attached.
Hello, I want to devide image into 32*32 image blocks and then find the noise variance of each block. for which I am usin...

9 years ago | 0 answers | 0

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Question


error: Maximum variable size allowed by the program is exceeded. in line matrix = zeros((m-63)*(n-63), 2+64*64);
count = 1; j = 1; matrix = zeros((m-63)*(n-63), 2+64*64); while(j+63<m) k = 1; while(k+63<n) dum=zeros(1...

9 years ago | 1 answer | 0

1

answer

Question


Please tell me how to resolve out of memory error of this code
count = 1; j = 1; matrix=[]; while(j+63<m) k = 1; while(k+63<n) dum=zeros(1,64*64); dum(1:(min(...

9 years ago | 1 answer | 0

1

answer