Abstract
Moment invariants have been used as feature descriptors in a variety of object recognition applications. When assuming a continuous image function, moments calculated using a double-integral formulation, are invariant to variations in translation, rotation, and size of the object. However, due to the recursive nature of the calculations and the limited speed of microprocessors, the moments were not computable in real-time. In this paper we present fast invariant moment computations using the “Delta Method”, as a means of scene representation. This method computes moments of contiguous images by using the contribution of each line rather than individual pixel.
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