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Bibliographic record number: 71281

Journal

Authors: Rimac-Drlje, Snježana; Zovko-Cihlar, Branka; Grgić, Sonja
Title: Wavelet Adapted and Visually Tuned Compression
Source: PROCEEDINGS VIPromCom-2001, 3rd International Symposium on Video Processing and Multimedia Communications / Grgić, Mislav (ed). - Zagreb : ELMAR , 2001. 117-120.
Meeting: 3rd International Symposium on Video Processing and Multimedia Communications
Location and date: Zadar, Hrvatska, 13-15.06.2001.
Keywords: Wavelet Transform; Image Compression; Visually Weighted Quantization
Abstract:
In this article we have proposed a new expression for calculating visually tuned quantization steps for wavelet coefficients quantization. This expression is based on the measurement results for five wavelets and a theoretic relationship between quantization noise visibility in the resonstructed image and wavelet filters frequency characteristics. We have shown that quantization with steps adapted to wavelet in such a way gives better image subjective quality.
Type of meeting: Predavanje
Type of presentation in a journal: Full-text (1500 words and more)
Type of peer-review: International peer-review
Project / theme: 036015, 036041
Original language: ENG
Category: Znanstveni
Research fields:
Electrical engineering



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