Characterization of fetal heart rate irregularity using approximate entropy and wavelet filtering. In Computers in CardiologyComput Cardiol (Vol. 33, pp. 933 - 936).
(2006). A new method for the detection of singular points in fingerprint images. In 2009 Workshop on Applications of Computer Vision, WACV 2009Workshop Appl. Comput. Vis., WACV.
(2009).