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1 February 1998 Image recognition using a directional field technique
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Abstract
An approach to the interpretation and recognition of images base on the directional field is developed. A model of an image with structure redundancy is introduced. Digital methods for the construction of the directional field, including the method of coal quadratic approximation, the spectral method, and the variance method, are considered. An optical scheme for the construction of the directional field with the use of radial segment spatial filters is presented. The developed approach is tested in the analysis of fingerprint images, tear crystallograms and interferograms.
© (1998) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Victor A. Soifer, Victor V. Kotlyar, Svetlana N. Khonina, Alexander G. Khramov, and R. V. Skidanov "Image recognition using a directional field technique", Proc. SPIE 3346, Sixth International Workshop on Digital Image Processing and Computer Graphics: Applications in Humanities and Natural Sciences, (1 February 1998); https://doi.org/10.1117/12.301374
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