Fast algorithm for generation of moment invariants. (English) Zbl 1070.68587
Summary: Moment invariants are important shape descriptors in computer vision. The method of decomposing the trigonometric function is suggested to obtain various moment invariants. Based on this method, the “multi-filter” algorithm is introduced as an efficient way to generate large numbers of moment invariants. A great deal of repeated computation on sub-polynomial is avoided. General explicit constructions of basic moment invariants are also provided. Furthermore, the proposed magnitude-normalized method makes invariants more stable and easier for classification.
MSC:
| 68T10 | Pattern recognition, speech recognition |
| 68T45 | Machine vision and scene understanding |
| 68U10 | Computing methodologies for image processing |
Keywords:
Moment invariant; Trigonometric functions; Fast algorithm; Explicit construction of moment invariantsReferences:
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