Title :
New linear phase QMF filter design for sub-band coding
Author :
Jeon, J.-H. ; Kim, J.-K.
Author_Institution :
Dept. of Electr. Eng., Korea Adv. Inst. of Sci. & Technol., Seoul, South Korea
Abstract :
A new technique for designing linear phase quadrature mirror filters (QMF) filters is proposed. These filters have the frequency responses of sharp and symmetrical transition characteristics, and the properties of perfect reconstruction and simple implementation.
Keywords :
coding errors; decoding; digital filters; encoding; filtering and prediction theory; frequency response; picture processing; QMF filter design; frequency responses; image processing; linear phase; perfect reconstruction; quadrature mirror filters; sub-band coding;
Journal_Title :
Electronics Letters
DOI :
10.1049/el:19910201
