1. Bayesian speckle noise reduction using the discrete wavelet transform;Zeng,1998
2. ASIFT: A New Framework for Fully Affine Invariant Image Comparison
3. Key. net: Keypoint detection by handcrafted and learned cnn filters;Barroso-Laguna,2019
4. A combined corner and edge detector;Harris,1988
5. Rotational invariant image operators;Beaudet,1978