CENTRAL AND LOGARITHMIC CENTRAL IMAGE CHORD TRANSFORMATIONS FOR INVARIANT OBJECT RECOGNITION

CENTRAL AND LOGARITHMIC CENTRAL IMAGE CHORD TRANSFORMATIONS FOR INVARIANT OBJECT RECOGNITION

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Pattern descriptors invariant to rotation, scaling, and translation represents an important direction in the elaboration of the real time object recognition systems.In this article, the new kinds of object descriptors based on chord transformation are presented.There are described new methods of image Stoves Sterling S1000DF 100cm Dual Fuel Range Cooker - Black 444444491 presentation - Central and Logarithmic Central Image Chord Transformations (CICT and LCICT).It is shown that the CICToperation makes it possible to achieve invariance to object rotation.In the case of implementation of the LCICT transformation, invariance to changes in the rotation and scale of the object ring is achieved.

The possibilities of implementing the CICTand LCICToperations are discussed.The algorithms of these operations for contour images are presented.The possibilities of integrated implementation of CICT and LCICT operations are considered.A generalized CICT operation for a full (halftone) image is defined.The structures of the coherent optical processors that implement operations of basic and integral image chord transformations are presented.