Techniques for image preprocessing in variable acuity focal plane arrays

J. T. Caulfield; P. L. McCarley; J. P. Curzan; M. A. Massie; C. Baxter

doi:10.1117/12.722965

14 May 2007 Techniques for image preprocessing in variable acuity focal plane arrays

J. T. Caulfield, P. L. McCarley, J. P. Curzan, M. A. Massie, C. Baxter

Proceedings Volume 6542, Infrared Technology and Applications XXXIII; 654213 (2007) https://doi.org/10.1117/12.722965
Event: Defense and Security Symposium, 2007, Orlando, Florida, United States

Abstract

We report on processing techniques to effectively control the data bandwidth in larger format Focal Plane Array (FPA) sensors. We have developed an image processing architecture for variable acuity FPAs that give a controlled reduction in the data rate via simple circuits that estimate activity on the FPA image plane. Integrated on-FPA signal processing goals are to perform pre-processing that is usually performed downstream in a dedicated processing module. Techniques for image pre-processing described in this paper allow transmitting "active" pixel data while skipping unchanging pixels. These techniques for image pre-processing adjacent to the FPA allows significant reductions in the data rate, size, weight and power for small and low cost systems that cannot work with a large image processing.

Citation Download Citation

J. T. Caulfield, P. L. McCarley, J. P. Curzan, M. A. Massie, and C. Baxter "Techniques for image preprocessing in variable acuity focal plane arrays", Proc. SPIE 6542, Infrared Technology and Applications XXXIII, 654213 (14 May 2007); https://doi.org/10.1117/12.722965

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KEYWORDS

Sensors

Staring arrays

Image processing

Target detection

Detection and tracking algorithms

Signal processing

Electronics

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