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Optical Engineering

Design and development of a high-performance third-generation hand-held thermal camera
Author(s): Ajay Kumar Garg; Satya S. Negi; S. Sarkar; R. P. Agarwal
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Paper Abstract

A high-performance hand-held thermal imaging camera has been developed, based on a 320×256-element InSb infrared focal plane array (FPA) operating in the medium-wave infrared region. The primary design objective was a low-cost, compact, lightweight, and portable thermal camera with a recognition range of 2 km. A staring FPA based on InSb technology with long and variable integration time provides the answer best suited to these requirements. The system provides such features as two-point and adaptive nonuniformity correction, bad-pixel detection and replacement, dynamic range compression, contrast and edge enhancement, histogram equalization, and digital scan conversion for CCIR-B-compatible output. The design methodology and the performance are presented.

Paper Details

Date Published: 1 September 2006
PDF: 5 pages
Opt. Eng. 45(9) 096401 doi: 10.1117/1.2354039
Published in: Optical Engineering Volume 45, Issue 9
Show Author Affiliations
Ajay Kumar Garg, Instruments Research and Development Establishment (India)
Satya S. Negi, Instruments Research & Development Establishment (India)
S. Sarkar, Indian Institute of Technology Roorkee (India)
R. P. Agarwal, Indian Institute of Technology Roorkee (India)


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