MULTI-PINHOLE WIDE-ANGLE HIGH-RESOLUTION LIGHT POSITION DETECTOR

Authors
MA CCH TAN CK LAWRENCE PD
Citation
Cch. Ma et al., MULTI-PINHOLE WIDE-ANGLE HIGH-RESOLUTION LIGHT POSITION DETECTOR, IEEE transactions on instrumentation and measurement, 45(1), 1996, pp. 195-200
Citations number
11
Categorie Soggetti
Engineering, Eletrical & Electronic","Instument & Instrumentation
Journal title
IEEE transactions on instrumentation and measurement → ACNP
ISSN journal
00189456
Volume
45
Issue
1
Year of publication
1996
Pages
195 - 200
Database
ISI
SICI code
0018-9456(1996)45:1<195:MWHLPD>2.0.ZU;2-R
Abstract
A point light source angular position-detecting system with wide opera ting range and high resolution is developed. The sensing part consists of a simple mask with multiple pinholes to cast multiple images of a point light source onto a single CCD area image sensor. The 2D angular position of the light source is computed from results of curve-fittin g through the image positions, The computational burden is low, yet an unusually wide operating angle at high resolution throughout is achie ved with a single image sensor.