2003•Unpublished venueRequires access

Scale-free object detection using three-dimensional fourier transform

Sang-Il Jin, You-Seek Bae, Soo Young Lee

Abstract

Originally a 3D Fourier transform is used for utilizing the 3D nature of objects. Using this 3D optical Fourier transform, one can do spatial filtering and a correlation on the entire 3D input distribution. For example, with a 3D Fourier transform a conventional 2D joint transform correlator (JTC) can be extended to 3D.

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Available abstract

Key concepts: Fourier transform, Fractional Fourier transform, Non-uniform discrete Fourier transform, Short-time Fourier transform, Discrete Fourier transform (general), Harmonic wavelet transform, Discrete-time Fourier transform, Computer science