Title :
Sharper bounds on Occam filters and application to digital video
Author_Institution :
Hewlett-Packard Co., Palo Alto, CA, USA
Abstract :
Occam filters are a general technique for filtering random noise via data compression. Previously it was established that these filters converge in a learning theoretic sense, with convergence bounds that depended on the probability distribution of the noise variable. The paper presents a convergence bound for uniformly sampled signals that is independent of the probability distribution of the noise variable, barring some minimal assumptions. It also examines an application of Occam filters to remove random noise from digital video, thereby enabling improved nearly lossless compression
Keywords :
data compression; digital filters; filtering and prediction theory; image processing; random noise; video signals; Occam filters; convergence bounds; data compression; digital video; learning theory; lossless compression; noise variable; probability distribution; random noise filtering; uniformly sampled signals; Compression algorithms; Convergence; Data compression; Digital filters; Filtering; Gaussian noise; Noise cancellation; Noise level; Probability distribution; Video compression;
Conference_Titel :
Data Compression Conference, 1994. DCC '94. Proceedings
Conference_Location :
Snowbird, UT
Print_ISBN :
0-8186-5637-9
DOI :
10.1109/DCC.1994.305951