Top "Sift" questions

Can't use SURF, SIFT in OpenCV

I'm trying a simple thing like detector = cv2.SIFT() and get this bad error detector = cv2.SIFT() AttributeError: 'module' object …

python opencv sift surf

Sift implementation with OpenCV 2.2

Does someone know the link of example of SIFT implementation with OpenCV 2.2. regards,

opencv sift

How to use SIFT algorithm to compute how similar two images are?

I have used the SIFT implementation of Andrea Vedaldi, to calculate the sift descriptors of two similar images (the second …

matlab pattern-matching computer-vision sift image-comparison

how to use SIFT in opencv

I am learning C++ and OpenCV these days. Given an image, I want to extract its SIFT features. From http://…

c++ opencv sift

ValueError: cannot copy sequence with size 2 to array axis with dimension 4

Can any one explain to me where is this error come from? and what does it mean? and how can …

python opencv python-2.7 sift

SURF vs SIFT, is SURF really faster?

I am testing some object detection with SURF and SIFT. SURF claims to be faster and more robust than SIFT …

algorithm opencv sift surf

How do I use SIFT in OpenCV 3.0 with c++?

I have OpenCV 3.0, and I have compiled & installed it with the opencv_contrib module so that's not a problem. …

c++ opencv sift opencv3.0

SIFT and SURF feature extraction Implementation using MATLAB

I am doing an ancient coins recognition system using matlab. What I have done so far is: convert to grayscale …

matlab image-processing sift surf

What are keypoints in image processing?

When using OpenCV for example, algorithms like SIFT or SURF are often used to detect keypoints. My question is what …

opencv image-processing sift surf keypoint

OpenCV feature matching for multiple images

How can I optimise the SIFT feature matching for many pictures using FLANN? I have a working example taken from …

python opencv sift flann