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A low-complexity circuit for On-sensor concurrent A/D conversion and compression

delete2007-09-01
delete8
PRE
AI
W
Walter D. Leon-Salas *
S
Sina Balkır
K
Khalid Sayood
N
Nathan Schemm
M
Michael W. Hoffman
DOI：10.1109/JSEN.2007.902952delete
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Abstract

Abstract

En 中文
A low-complexity circuit for on-sensor compression is presented. The proposed circuit achieves complexity savings by combining a single-slope analog-to-digital converter with a Golomb-Rice entropy encoder and by implementing a low-complexity adaptation rule. The adaptation rule monitors the output codewords and minimizes their length by incrementing or decrementing the value of the Golomb-Rice coding parameter k. Its hardware implementation is one order of magnitude lower than existing adaptive algorithms. The compression circuit has been fabricated using a 0.35 mu m CMOS technology and occupies an area of 0.0918 mm(2). Test measurements confirm the validity of the design.
Keywords:
data compression
on-sensor computation
source coding
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Key information extracted from the uploaded paper, including a brief overview, abstract, background, key highlights, visual analysis, and future outlook.

Journal

IEEE Sensors Journal cover
IEEE Sensors Journal
IF:
4.5
Papers:
2.1W
Citations:
7.3W

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No organization information available