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Proceedings Paper

Image stabilization for moving platform surveillance
Author(s): Zahir Ahmed Ansari; Somnath Sengupta; Arun Kumar Singh; Avnish Kumar
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Paper Abstract

Line of sight jitter degrades the image/real time video quality of a high performance sighting system, resulting in reduced detection/recognition/identification ranges. Line of sight jitter results from residual dynamics on the sighting system from the host platform. A scheme for fine image/video stabilization, in presence of high magnitude line of sight jitter, has been presented in this paper. The proposed scheme is a combination of conventional gyro stabilization of payload line of sight (i.e. Mechanical Image Stabilization-MIS) and Digital Image Stabilization (DIS). Gyro stabilization technique is used to minimize the computation requirement of DIS technique. The proposed technique has been implemented and evaluated using standard hardware (SMT8039). Inclusion of DIS algorithms has given an additional disturbance isolation of at least 10 dB in our experiments, while image smoothness index also improved by a factor of four or more. The proposed method also indicated that higher image smoothness and disturbance isolation are possible at comparatively higher frequencies (limited by computation capability of the computing platform).

Paper Details

Date Published: 3 May 2012
PDF: 10 pages
Proc. SPIE 8360, Airborne Intelligence, Surveillance, Reconnaissance (ISR) Systems and Applications IX, 836009 (3 May 2012); doi: 10.1117/12.919151
Show Author Affiliations
Zahir Ahmed Ansari, Instruments Research & Development Establishment (India)
Indian Institute of Technology Kharagpur (India)
Somnath Sengupta, Indian Institute of Technology Kharagpur (India)
Arun Kumar Singh, Instruments Research & Development Establishment (India)
Avnish Kumar, Instruments Research & Development Establishment (India)


Published in SPIE Proceedings Vol. 8360:
Airborne Intelligence, Surveillance, Reconnaissance (ISR) Systems and Applications IX
Daniel J. Henry; Davis A. Lange; Dale Linne von Berg; Darrell L. Young; Kenneth L. Bernier; Jeff J. Guell; Sreekanth Danny Rajan, Editor(s)

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