DocumentCode
393772
Title
A hybrid analog-digital system for two dimensional light-spot position
Author
Notohara, Daisuke ; Ohtani, Kozo ; Baba, Mitsburn
Author_Institution
Okayama Univ., Japan
Volume
3
fYear
2002
fDate
5-7 Aug. 2002
Firstpage
1407
Abstract
In this paper, we propose a hybrid analog-digital system for the detection of plural two-dimensional (2D) light spot positions. The system consists of three parts: matrix sensor array unit, analog peak detecting unit and digital interpolation unit. First, the system receives the plural light spots by the matrix sensor array unit. Next, the peak values produced by the sensor elements are detected by an analog peak detecting unit. Finally, the actual 2D positions of the plural light spots are evaluated using the digital interpolation unit which consists of FPGA.
Keywords
computerised instrumentation; image sensors; interpolation; optical variables measurement; position measurement; 2D light-spot position detection; analog peak detecting unit; digital interpolation; digital interpolation unit; hybrid analog-digital system; matrix sensor array unit; range-imaging sensor; Analog-digital conversion; Voltage;
fLanguage
English
Publisher
ieee
Conference_Titel
SICE 2002. Proceedings of the 41st SICE Annual Conference
Print_ISBN
0-7803-7631-5
Type
conf
DOI
10.1109/SICE.2002.1196509
Filename
1196509
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