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Variable Length Coded Address Compression for High-Speed 3-D Range-Finder Using Light-Section Method
IEICE TRANSACTIONS on Electronics Vol.E94-C No.1 pp.124-127
Publication Date: 2011/01/01
Online ISSN: 1745-1353
Print ISSN: 0916-8516
Type of Manuscript: BRIEF PAPER
Category: Microwaves, Millimeter-Waves
Full Text: PDF
This paper presents an architecture and a circuit design of readout address compression for a high-speed 3-D range-finding image sensor using the light-section method. We utilize a kind of variable-length code which is modified to suit the 3-D range-finder. The best compression rate by the proposed compression technique is 33.3%. The worst compression and the average compression rate is 56.4% and 42.4%, respectively, when we simulated the effectivity by using the example of measured sheet scans. We also show the measurement result of the fabricated image sensor with the address compression.