Naslov
Inverse Error Diffusion Using Table Look-Up and Vector Quantization: A Novel Scheme For Low Bit Rate

Autori
Dujmić, Hrvoje ; Rožić, Nikola ; Ursić, Jurica

Vrsta, podvrsta i kategorija rada
Radovi u zbornicima skupova, cjeloviti rad (in extenso), znanstveni

Izvornik
Proceedings of ICASSP 2000 / Abut, Huseyin ; Onural, Levent - Istanbul : Institute of Electrical and Electronics Engineers (IEEE), 2000, 1899-1902

Skup
International Conference on Acoustics, Speech and Signal Processing (ICASSP)

Mjesto i datum
Istanbul, Turska, 05.06.2000. - 09.06.2000

Vrsta sudjelovanja
Predavanje

Vrsta recenzije
Međunarodna recenzija

Ključne riječi
inverse error diffusion; table look-up; vector quantization; halftoning

Sažetak
This paper considers inverse error diffusion and data compression of binary error diffused images using table look-up and vector quantization (VQ). The encoding process needs a table look-up which transforms a halftoned images to a set of codewords. The decoding process requires table look-up and low pass filtering. Using proposed scheme the reconstructed gray-scale image is stored in a compressed form. Also, error diffused image can be compressed in the gray-scale domain. Our method integrates the processes of inverse halftoning and compression and is useful when error diffusion halftoning algorithm is applied. Proposed scheme outperforms, for low bit rate (0.25bpp to 0.5bpp), similar existing techniques and is of low computational complexity.

Izvorni jezik
Engleski

Znanstvena područja
Elektrotehnika

POVEZANOST RADA