Title :
A general purpose VLSI median filter and its applications for image processing
Author :
Karaman, Mustafa ; Onural, Levent ; Atalar, Abdullah
Author_Institution :
Dept. of Electr. & Electron. Eng., Bilkent Univ., Ankara, Turkey
Abstract :
A general purpose median filter configuration consisting of two single chip median filters is proposed. One of the chips is designed for applications requiring variable word-length and variable window size, whereas the other is for real-time applications. The architectures of the chips are based on odd/even transposition sorting. The chips are implemented in 3-μm M2CMOS using full-custom VLSI design techniques. The chips together with a reasonable external hardware can be used for the realizations of many median filtering techniques. The VLSI design procedure of the chips and their applications to different median filtering techniques for image processing are presented
Keywords :
CMOS integrated circuits; VLSI; digital filters; picture processing; 3 micron; 3-μm M2CMOS; architectures; full-custom VLSI design; general purpose median filter; image processing; odd/even transposition sorting; real-time applications; variable window size; variable word-length; Adaptive filters; Application software; Filtering; Hardware; Image processing; Nonlinear filters; Signal design; Smoothing methods; Sorting; Very large scale integration;
Conference_Titel :
Electrotechnical Conference, 1989. Proceedings. 'Integrating Research, Industry and Education in Energy and Communication Engineering', MELECON '89., Mediterranean
Conference_Location :
Lisbon
DOI :
10.1109/MELCON.1989.50057
