Development of distortion-invariant texture operators

Gopalan Ravichandran; Mohan M. Trivedi

doi:10.1117/12.160592

15 October 1993 Development of distortion-invariant texture operators

Gopalan Ravichandran, Mohan M. Trivedi

Proceedings Volume 1960, Automatic Object Recognition III; (1993) https://doi.org/10.1117/12.160592
Event: Optical Engineering and Photonics in Aerospace Sensing, 1993, Orlando, FL, United States

Abstract

In this paper, we provide insight into the development of a new set of distortion-invariant texture operators. These `circular-Mellin' operators are invariant to both scale and orientation of the target and represent the spectral decomposition of the image scene in the log-polar coordinate system. Coupled with the shift invariance property of the correlator architecture, we show that these circular-Mellin operators can be used for rotation-, scale-, and shift- invariant feature extraction. We also note that these feature extractors have a functional form that is similar to the Gabor transforms. Detailed analytical description of these operators and preliminary results are presented in this paper.

Citation Download Citation

Gopalan Ravichandran and Mohan M. Trivedi "Development of distortion-invariant texture operators", Proc. SPIE 1960, Automatic Object Recognition III, (15 October 1993); https://doi.org/10.1117/12.160592

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