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Feature matching in Matlab with multiple images

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Davide Baitelli
Davide Baitelli 2018-1-9
Hi,
this code, taken from Matlab documentation, detects keypoints, extracts features and matches vectors of features.
points1 = detectSURFFeatures(im1);
[featuresIm1, valid_points] = extractFeatures(im1, points1);
points2 = detectSURFFeatures(im2);
[featuresIm2, valid_points] = extractFeatures(im2, points2);
indexPairs = matchFeatures(featuresIm1, featuresIm2)
But what if I need to match the features of a test image with those of a training set? I'm currently calling matchPoints once for each train image, speeding up the process with a parfor. Is there a better (less computational time) and smart way to do this?

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