Quantization of wavelet coefficients
ICCSC'02. 1st IEEE International Conference on Circuits and Systems for Communications. Proceedings (IEEE Cat. No.02EX605) - Trang 202-205
Tóm tắt
The wavelet coefficients quantization model is suggested in this paper. Quantization is represented as addition of noise by equal parts in all bands of the wavelet transform. The linear approximation model of dependence of quantizing distortion power from a quantizing interval is considered. It is shown that use of the pointed model allows increased efficiency of picture coding.
Từ khóa
#Quantization #Wavelet coefficients #Frequency #PSNR #Image coding #Wavelet transforms #Interpolation #Discrete transforms #Hydrogen #Low-frequency noiseTài liệu tham khảo
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