Mathematical equivalence of zero-padding interpolation and circular sampling theorem interpolation with implications for direct Fourier image reconstruction

Proceedings of SPIE - The International Society for Optical Engineering

Volumn 3338, Issue , 1998, Pages 1117-1126

  La Rivière, Patrick J ^a   Pan, Xiaochuan ^a  

^a UNIVERSITY OF CHICAGO   (United States)

Author keywords

Circular sampling theorem; Direct fourier methods; FFT; Image reconstruction; Interpolation; Zero padding

Indexed keywords

FAST FOURIER TRANSFORMS; IMAGE RECONSTRUCTION; IMAGE SENSORS; IMAGING SYSTEMS; MEDICAL IMAGING; RESTORATION; SAMPLING; TURPENTINE;

2-D FFT; BILINEAR INTERPOLATIONS; CARTESIAN GRIDS; CIRCULAR SAMPLING THEOREM; DIRECT FOURIER METHODS; FFT; FOURIER DATUM; FOURIER IMAGES; HIGH-QUALITY IMAGES; IMAGE ARTIFACTS; INTERPOLATION SCHEMES; NYQUIST CRITERION; PERIODIC FUNCTIONS; POLAR GRIDS; PROJECTION DATUM; RADIAL DIRECTIONS; ZERO-PADDING;

INTERPOLATION;

EID: 33751409172     PISSN: 0277786X     EISSN: None     Source Type: Conference Proceeding    
DOI: 10.1117/12.310838     Document Type: Conference Paper

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