Top "Sift" questions

Opencv 3.0 - module object has no attribute 'xfeatures2d'

I have shifted from OpenCV 2.4.9 to 3.0 to make use of drawMatches and drawMatchesKnn function. I came to know that it …

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OpenCV-Python dense SIFT

OpenCV has very good documentation on generating SIFT descriptors, but this is a version of "weak SIFT", where the key …

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Scale Invariant Feature Transform (SIFT ) Implementation in Matlab

I am trying to implement SIFT in matlab. I am following the Lowe's 2004 paper. I completed upto calculation of keypoints …

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Python+OpenCV 3 - cant use SIFT

I compiled OpenCV 3 & opencv_contrib from latest source code. Installed it into site-packages folder for Python 2.7. I can follow …

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How does the Lowe's ratio test work?

Suppose I have a set of N images and I have already computed the SIFT descriptors of each image. I …

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SIFT, HOG and SURF c++, opencv

I have a simple question, which I want to know, what kind of libraries are available and can give good …

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OpenCV Python and SIFT features

I know there is a lot of questions about Python and OpenCV but I didn't find help on this special …

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How to estimate homography using RANSAC on SIFT mathing results

In image matching, with Matlab, I found a vector of correspondences of two images using Sift and now I have …

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Sift Extraction - opencv

I'm trying to get started working with sift feature extraction using (C++) OpenCv. I need to extract features using SIFT, …

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Training of SVM classifier in OpenCV using SIFT and ORB features

I'm trying to train a SVM classifier to recognize pedestrians in a set of 64x128 images. I've already done that …

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