Wavelet Adapted and Visually Tuned Compression (CROSBI ID 481440)
Prilog sa skupa u zborniku | izvorni znanstveni rad | međunarodna recenzija
Podaci o odgovornosti
Rimac-Drlje, Snježana ; Zovko-Cihlar, Branka ; Grgić, Sonja
engleski
Wavelet Adapted and Visually Tuned Compression
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.
Wavelet Transform; Image Compression; Visually Weighted Quantization
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Podaci o prilogu
117-120-x.
2001.
objavljeno
Podaci o matičnoj publikaciji
PROCEEDINGS VIPromCom-2001, 3rd International Symposium on Video Processing and Multimedia Communications
Grgić, Mislav
Zagreb: Hrvatsko društvo Elektronika u pomorstvu (ELMAR)
Podaci o skupu
3rd International Symposium on Video Processing and Multimedia Communications
predavanje
13.06.2001-15.06.2001
Zadar, Hrvatska