1. Fingerprint enhancement by shape adaptation of scale-space operators with automatic scale-selection;Almansa;IEEE Transactions on Image Processing,2000
2. Axioms and fundamental equations of image processing;Alvarez;Archive for Rational Mechanics,1993
3. Uniqueness of the Gaussian kernel for scale-space filtering;Babaud;IEEE Transactions on Pattern Analysis and Machine Intelligence,1986
4. Affine invariant texture segmentation and shape from texture by variational methods;Ballester;Journal of Mathematical Imaging and Vision,1998
5. Reliable feature matching across widely separated views;Baumberg,2000