Questions tagged [sift]

I am implementing the CV detection pipeline with the use of SIFT and KNN Matcher. Image keypoints matched to the query keypoints produce the following image: The matched objects have a lot of key points on them and there are some false matches. I…

I need to understand how SIFT calculates the descriptors for the keypoints. Intuitively, I understand that it takes each keypoint, calculates the gradients for each pixel in a neighborhood of the keypoint, and that's basically the descriptor for the…

I know how to use SIFT algorithm for images but I never use it for other kinds of data. I have tabular data (x, y, z, time) where x,y,z is the joint position along x, y, z coordinates. Now, can I apply the SIFT algorithm to this data to find…

Is it possible to train a neural network or a classifier on SIFT keypoints and descriptors? I am working on a project which involves detecting an object (a bottle of energy drink) in an image and then detect keypoints and descriptors of that object.…