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1. Sparse representation of approximation to identity.

Author

Qu, Wei, Chui, Charles K., Deng, Guan-Tie, and Qian, Tao

Subjects
SPARSE approximations, IMAGE analysis, HILBERT space
Abstract

The Dirac- δ distribution may be realized through sequences of convolutions, the latter being also regarded as approximation to the identity. This paper proposes the real form of pre-orthogonal adaptive Fourier decomposition (POAFD) method to realize fast approximation to the identity. It belongs to sparse representation of signals having potential applications in signal and image analysis. [ABSTRACT FROM AUTHOR]

Published
2022
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