Mathematical analysis of image registration algorithms for infrared images

Ronda Venkateswarlu; B. N. Chatterji; Anindya Biswas

doi:10.1117/12.156904

1 October 1993 Mathematical analysis of image registration algorithms for infrared images

Ronda Venkateswarlu, B. N. Chatterji, Anindya Biswas

Proceedings Volume 1950, Acquisition, Tracking, and Pointing VII; (1993) https://doi.org/10.1117/12.156904
Event: Optical Engineering and Photonics in Aerospace Sensing, 1993, Orlando, FL, United States

Abstract

The performance of image registration algorithms for IR images depends on different system parameters such as SNR, gain, offset, image variance etc. in a very complex fashion. A statistical approach has been adopted to predict the performance of image registration algorithms , classical Correlation and Mean Absolute Difference algorithms, in terms of probability of correct registration as a function of different system parameters. Considering the complexity of the problem, some simplifying assumptions have been made regarding the random nature of different images as well as criteria function values which may not be strictly true for real environments. This analysis helps in understanding the sensitivity of different algorithms to different system parameters. This in turn helps to compare the performance of different registration algorithms in differe nt environments. A scheme for choosing adaptive threshold to meet constraints as probability of false hit and probability of miss, has also been proposed

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Ronda Venkateswarlu, B. N. Chatterji, and Anindya Biswas "Mathematical analysis of image registration algorithms for infrared images", Proc. SPIE 1950, Acquisition, Tracking, and Pointing VII, (1 October 1993); https://doi.org/10.1117/12.156904

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