1 February 1991 Comparison of images on the basis of structural features
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When studying the structural features of images composed of a finite set of concrete objects one often faces the necessity to extract and analyse the information concerning their mutual position. A similar task must be tackled in pattern recognition using spatial features, i.e. in the cases of congruent images with coinciding component location even those images are different. An example of an input image compared might be one group of A's and one group of B's which shall be considered congruent only if the respective location of the letters are identical. In cases like that the direct measurement and the comparison of the obtained results appear to be complicated because, with different objects, it's hard to conclusive determine zero points (bench-marks). Holographic correlator would also be of little use even though the objects are similar since the contribution of decisive features to correlation response is too small compared to other features. The present paper is a systematic approach to the solution of the task: analysts and comparison of the images on the bases of structural features.
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Vladimir B. Markov, Vladimir B. Markov, Vladimir F. Shishkov, Vladimir F. Shishkov, A. B. Voroshnin, A. B. Voroshnin, "Comparison of images on the basis of structural features", Proc. SPIE 1238, Three-Dimensional Holography: Science, Culture, Education, (1 February 1991); doi: 10.1117/12.19423; https://doi.org/10.1117/12.19423

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