A Differential Invariant for Zooming

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This paper presents an invariant under scaling and linear brightness change. The invariant is based on differentials and therefore is a local feature. Rotationally invariant 2-d differential Gaussian operators up to third order are proposed for the implementation of the invariant. The performance is analyzed by simulating a camera zoom-out.
5 pages, 7 figures

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Computer Vision and Pattern Recognition, I.4.7

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http://salesiana.dossiersoluciones.com/handle/123456789/33280

Consulte el texto completo en el siguiente enlace:

https://arxiv.org/abs/cs/9908017
 http://arxiv.org/abs/cs/9908017
 Proceedings 1999 International Conference on Image Processing, Kobe, 25-28 October 1999

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arXiv