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Titolo:
RETIMAC - REAL-TIME MOTION ANALYSIS CHIP
Autore:
NESI P; INNOCENTI F; PEZZATI P;
Indirizzi:
UNIV FLORENCE,DEPT SYST & INFORMAT I-50121 FLORENCE ITALY CESVIT SPA,HI TECH AGCY,CTR MICROELECT FLORENCE ITALY
Titolo Testata:
IEEE transactions on circuits and systems. 2, Analog and digital signal processing
fascicolo: 3, volume: 45, anno: 1998,
pagine: 361 - 375
SICI:
1057-7130(1998)45:3<361:R-RMAC>2.0.ZU;2-0
Fonte:
ISI
Lingua:
ENG
Soggetto:
BLOCK-MATCHING ALGORITHM; OPTICAL-FLOW; ARRAY ARCHITECTURES; VLSI ARCHITECTURE; IMAGE SEQUENCES; MODEL; COMPUTATION; PERCEPTION;
Keywords:
ASIC; COMPUTER VISION; MOTION ESTIMATION; OPTICAL FLOW ESTIMATION; REAL-TIME IMPLEMENTATION;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Science Citation Index Expanded
Citazioni:
63
Recensione:
Indirizzi per estratti:
Citazione:
P. Nesi et al., "RETIMAC - REAL-TIME MOTION ANALYSIS CHIP", IEEE transactions on circuits and systems. 2, Analog and digital signal processing, 45(3), 1998, pp. 361-375

Abstract

Motion estimation is relevant for applications of both motion-compensated image sequence processing and dynamic scene analysis of computer vision. Different approaches and solutions have been proposed for these two applicative fields. In some cases, parallel architectures and dedicated chips for motion estimation in real-time have been developed. In this paper, a low-cost REal-TIme Motion Analysis Chip, RETIMAC, is presented, which is suitable for dynamic scene analysis in computer vision applications. This chip is capable of estimating optical how fields in real-time, and has been especially developed for project OFCOMP (Optical Plow for COunting Moving People) DIM 45 ESPRIT III MEPI. It can be profitably used also for autonomous navigation, tracking, surveillance, counting moving objects, measuring velocity, etc., and for several computer vision applications which require as a first processing step the estimation of the apparent velocity of each pixel in the image plane (e.g., optical how, velocity held). RETIMAC implements a gradient-based solution which has been demonstrated to be more reliable andprecise with respect to several solutions proposed in the literature.

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Documento generato il 03/07/20 alle ore 00:36:51