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SQUARE TO HEXAGONAL LATTICE CONVERSION IN THE FREQUENCY DOMAIN

Citation Author(s):
Xiangguo Li, Bryan Gardiner, Sonya A. Coleman
Submitted by:
Xiangguo Li
Last updated:
5 September 2017 - 7:27am
Document Type:
Poster
Document Year:
2017
Event:
Presenters:
Xiangguo Li
Paper Code:
ICIP-2614
 

Currently, hexagonal image processing is mainly based on simulated data generated by square lattice conversions. For the evaluation of the conversion quality, this paper presents a method for ideal square to hexagonal lattice conversion. Based on the square lattice discrete-time Fourier transform (DTFT), the method first determines the values of the hexagonal discrete Fourier transform (HDFT), and performs the inverse HDFT to obtain the ideal conversion. This method provides a benchmark for evaluating other practical conversions and such evaluation is presented in this paper.

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