An offset reduction infrared tracking system with winner-take-all implementation for CMOS thermal microsensor

Jun Qi Wang, Chih-Hsiung Shen

Research output: Chapter in Book/Report/Conference proceedingConference contribution

1 Citation (Scopus)

Abstract

A new modified infrared tracking sensor array is proposed, which identifies the locations and sizes of thermal object efficiently with the winner-take-all (WTA) circuit and a low offset correlated double sampling (CDS) circuit. The winnertake-all (WTA) circuit is used in combination with active readout circuit for thermopile array. The offset reduction with CDS technique enhances the sensitivity of winner-take-all (WTA) circuit and shows a sharp selectivity which makes it possible to pick up only one winner pixel from each thermal object. In order to simulate and present the infrared thermal sensor array in this paper, the sensor array is integrated by using a 2P4M 0.35μm standard CMOS technology. This proposed architecture shows a high resolution with two orders higher than the circuits without CDS. The results have shown that integrated thermopile array with WTA and CDS can approach a high level of development, reliability and easy for high accuracy infrared tracking applications.

Original languageEnglish
Title of host publicationIEEE Sensors 2009 Conference - SENSORS 2009
Pages1701-1704
Number of pages4
DOIs
Publication statusPublished - 2009 Dec 1
EventIEEE Sensors 2009 Conference - SENSORS 2009 - Christchurch, New Zealand
Duration: 2009 Oct 252009 Oct 28

Publication series

NameProceedings of IEEE Sensors

Other

OtherIEEE Sensors 2009 Conference - SENSORS 2009
CountryNew Zealand
CityChristchurch
Period09-10-2509-10-28

Fingerprint

Microsensors
Infrared radiation
Networks (circuits)
Sensor arrays
Thermopiles
Sampling
Hot Temperature
Pixels

All Science Journal Classification (ASJC) codes

  • Electrical and Electronic Engineering

Cite this

Wang, J. Q., & Shen, C-H. (2009). An offset reduction infrared tracking system with winner-take-all implementation for CMOS thermal microsensor. In IEEE Sensors 2009 Conference - SENSORS 2009 (pp. 1701-1704). [5398507] (Proceedings of IEEE Sensors). https://doi.org/10.1109/ICSENS.2009.5398507
Wang, Jun Qi ; Shen, Chih-Hsiung. / An offset reduction infrared tracking system with winner-take-all implementation for CMOS thermal microsensor. IEEE Sensors 2009 Conference - SENSORS 2009. 2009. pp. 1701-1704 (Proceedings of IEEE Sensors).
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Wang, JQ & Shen, C-H 2009, An offset reduction infrared tracking system with winner-take-all implementation for CMOS thermal microsensor. in IEEE Sensors 2009 Conference - SENSORS 2009., 5398507, Proceedings of IEEE Sensors, pp. 1701-1704, IEEE Sensors 2009 Conference - SENSORS 2009, Christchurch, New Zealand, 09-10-25. https://doi.org/10.1109/ICSENS.2009.5398507

An offset reduction infrared tracking system with winner-take-all implementation for CMOS thermal microsensor. / Wang, Jun Qi; Shen, Chih-Hsiung.

IEEE Sensors 2009 Conference - SENSORS 2009. 2009. p. 1701-1704 5398507 (Proceedings of IEEE Sensors).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

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Wang JQ, Shen C-H. An offset reduction infrared tracking system with winner-take-all implementation for CMOS thermal microsensor. In IEEE Sensors 2009 Conference - SENSORS 2009. 2009. p. 1701-1704. 5398507. (Proceedings of IEEE Sensors). https://doi.org/10.1109/ICSENS.2009.5398507