The structural similarity (SSIM) index is a method for measuring the similarity between two images
Questions tagged [ssim]
82 questions
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SSIM Coding Error
I have some questions. I try to follow some coding from Mathworks:
I = imread('cameraman.tif');
ssimValues = zeros(1,10);
qualityFactor = 10:10:100;
for i = 1:10
imwrite(I,'compressedImage.jpg','jpg','quality',qualityFactor(i));
…
Akmal Rahmat
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How do I use built-in MATLAB functions?
MATLAB has lots of built-in functions that I can call, such as "sin" and "norm." However, some of MATLAB's built-in functions are part of different libraries that I cannot access directly. For example, the function "ssim" is part of MATLAB's image…
Rainmaker
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how to random dc?
i want to make an image scrambling using DCT in matlab. i used a grayscale image. i want to random dc with random value. how to set the DC coefficient of each block to a random
value 0-255 and leave all others??these are steps for experiment:Divide…
theeya
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Use SSIM to calculate diff of two video frames
I'm trying to use SSIM to find differences between two images (from a camera, so view is fixed). But while the two images are almost identical except some small light changes, it shows tons of differences. My impression was SSIM would be more robust…
Tina J
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Compare Different Images Stored Inside a Dictionary
{1: [52896, 34525, 13422, 18945, 55787],
3: [66831, 32906, 44984, 18537, 51682],
6: [49239, 53087, 59521, 3221, 11184],
7: [6628, 30861, 15325, 64671, 51520],
0: [47524, 12454, 42290, 5301, 16277],
4: [48736, 6874, 49780, 25624, 25399],
2:…
trunksabhi -
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Python quality inspection with opencv (ssim)
I'm currently an intern at a quality inspector company. My job is to write a program that can detect faulty products (for example, missing screw). They take a picture of every single product. My idea is that I choose an image which could serve as a…
Monard
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MATLAB-SSIM calculating for images
I am searching a aulgorithm to find the similarity between two images, and I found SSIM, and even the codes like:
function [mssim, ssim_map] = SSIM(img1, img2, K, window, L)
if (size(img1) ~= size(img2))
ssim_index = -Inf;
ssim_map = -Inf;
…
user2753594
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