Conversion time analysis of time domain digital pixel sensor in uniform and non-uniform quantizers

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Abstract

This paper analyzes the conversion time of a time domain digital pixel sensor based on pulse width modulation scheme. Two quantization schemes are studied namely the Uniform Time domain (UQ) and the Non Uniform Time domain (NUQ) quantizers. It is shown that the latter scheme not only permits to linearize the non-liner response of a PWM vision sensor but also allows to significantly speed-up the conversion time particularly for wide dynamic range and lower coding resolution. The VLSI architecture of a reconfigurable DPS for variable spatial and coding resolutions is proposed in 1-poly, 5 metal CMOS 0.35μm n-well process.

Original languageEnglish
Title of host publicationProceedings - Fifth International Workshop on System-on-Chip for Real-Time Applications, IWSOC 2005
Pages172-175
Number of pages4
Volume2005
DOIs
Publication statusPublished - 2005
Externally publishedYes
EventFifth International Workshop on System-on-Chip for Real-Time Applications, IWSOC 2005 - Banff, Alta., Canada
Duration: 20 Jul 200524 Jul 2005

Other

OtherFifth International Workshop on System-on-Chip for Real-Time Applications, IWSOC 2005
CountryCanada
CityBanff, Alta.
Period20/7/0524/7/05

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ASJC Scopus subject areas

  • Engineering(all)

Cite this

Bermak, A. (2005). Conversion time analysis of time domain digital pixel sensor in uniform and non-uniform quantizers. In Proceedings - Fifth International Workshop on System-on-Chip for Real-Time Applications, IWSOC 2005 (Vol. 2005, pp. 172-175). [1530936] https://doi.org/10.1109/IWSOC.2005.47