Blotchy noise is one of the most common and visually annoying noises noticed in digitized motion picture films. This work investigates a three-stage blotchy noise reduction scheme combining efforts of temporal median filtering, ICA unsupervised learning and deflation after motion/compensation estimation. Implementation of each module of the scheme is discussed; finally performance of the scheme is tested and compared with other methods over real short sequences and results are discussed.
|Titolo:||Blotch removal in degraded digital video using independent component analysis|
|Data di pubblicazione:||2004|
|Appare nelle tipologie:||4.1 Contributo in Atti di convegno|