Keypoint Detection for SIFT Transform
Keypoint detection for SIFT transformation involving contrast determination and Hessian matrix calculation, with final output providing coordinates of keypoints within the Difference of Gaussian (DOG) space!
MATLAB Implementation of Image DOG (Difference of Gaussians) Processing
A MATLAB-based image processing program for generating Difference of Gaussians (DOG) maps, featuring Gaussian filtering operations and pixel-level differential calculations
Gaussian Pyramid and DOG Generation in SIFT Operator
The generation of Gaussian pyramid and Difference of Gaussian (DOG) represents the initial computational steps in the SIFT feature detection algorithm