This is a demo code for our paper titled "POS-GIFT: A Geometric and Intensity-Invariant Feature Transformation for Multimodal Images" published in the Information Fusion journal.
POS-GIFT is a feature matching algorithm for multi-modal, resistant to modality, scales, and rotation differences. If it is helpful for you, please cite our paper: Z. Hou, Y. Liu, L. Zhang, POS-GIFT: A geometric and intensity-invariant feature transformation for multimodal images, Information Fusion, 102 (2024) 102027.
MATLAB version: 2021,2022... VLFeat Download: https://www.vlfeat.org/
