• 17 Jun, 2018 — Mihcak's denoising filter for 2D images — Motivation A compressible signal is generally composed by only a few principle components. Keeping only principle components and discarding redundant components are the goal of many compression algorithms. We can think of a compressible signal as the composition of many... Read more...

• 20 Apr, 2017 — Camera Fingerprint Clustering — Summarization Each digital image contains a unique intrinsic trace left by the camera through the image acquisition process, the so-called camera fingerprint. Such camera fingerprint uniquely identifies the acquisition camera and can be exploited for multiple forensic purposes. Up-to-date technologies... Read more...

• 20 Apr, 2017 — Face spoofing detection — Summarization Face recognition is one of the most commonly used techniques in applications of biometrics, e.g. access control, law enforcement, multimedia communication, human-computer interaction. Like other biometric modalities, however, a face recognition system can be attacked easily and at very... Read more...