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Finding neighboring pixels surrounding a region/patch
Hello Dear Community. After trying and searching a lot, I ultimately have to put the question here. I need to find the neighb...
거의 9년 전 | 답변 수: 1 | 0
1
답변질문
Noise distribution in R.G.B channels
Hello, I needed to know if we add let's say a Gaussian noise to a color image so is the same noise added to a patch at same p...
9년 초과 전 | 답변 수: 0 | 0
0
답변질문
Finding 67000x67000 size weighting matrix
Hello, I need to find a large 67000x67000 size weighting matrix for a number of signals I have. For example I have 67000 sign...
9년 초과 전 | 답변 수: 0 | 0
0
답변질문
Grouping similar pixels in bins
Hi, Can someone tell me how do I divide the pixels in an image into let's say 16 bins? For example we have a grayscale image ...
9년 초과 전 | 답변 수: 1 | 0
1
답변질문
Correct way of plotting images
Hi community, I need to know what's the correct way of plotting an image. Let's say I have an original grayscale [0-255] imag...
9년 초과 전 | 답변 수: 2 | 0
2
답변질문
Quantizing a grayscale image into 256 levels
Hi community, I have a very simple question and I searched for it too but I am not getting the correct way of doing it. I hav...
9년 초과 전 | 답변 수: 1 | 0
1
답변질문
Generating a wavelet dictionary for sparse representation of images
Hello, I am trying to represent the patches of an image in terms of the wavelet basis/columns of a dictionary/sensing matrix ...
9년 초과 전 | 답변 수: 0 | 0
0
답변질문
Correlation coefficeint as a similarity index
Hello everyone, I am trying to find similarity among let's say 1000 signals via correlation coefficient. Each signal will be ...
9년 초과 전 | 답변 수: 1 | 0
1
답변질문
Difference between PSNR and SSIM comparison
Hello everyone. I have been reading about this but couldn't understand properly that's why posting it here. How would we diff...
9년 초과 전 | 답변 수: 1 | 0
1
답변질문
Normalizing columns of a matrix
Hello everyone, I have a matrix of, let's say 10000x10000 size, and I want to normalize each column of the matrix by its resp...
9년 초과 전 | 답변 수: 2 | 0
2
답변질문
Image denoising using MMSE
Hi everyone, I have a Gaussian noise corrupted image and I need to know how can I denoise the image using MMSE estimate in MA...
거의 10년 전 | 답변 수: 0 | 0
0
답변질문
MMSE of a Gaussian noisy image
Hi everyone, I have a Gaussian noise corrupted image and I need to know how can I find the MMSE estimate of the entire noisy...
거의 10년 전 | 답변 수: 1 | 0
1
답변질문
Probability of Symbol Error Rate (SER) of M-FSK plot against Es/No
Hello, I tried to plot theoretical probability of Symbol Error Rate (SER) of M-FSK plot against Es/No but I think the result...
대략 11년 전 | 답변 수: 0 | 0
0
답변질문
3D to 2D and then back from 2D to 3D
Hello, I am trying this image conversion. I read an image using matlab's command data = double(imread('image.jpg')); which gi...
대략 11년 전 | 답변 수: 2 | 0
