Title :
Digital image sharpening using Riesz fractional order derivative and discrete hartley transform
Author :
Chien-Cheng Tseng ; Su-Ling Lee
Author_Institution :
Dept. of Comput. & Commun. Eng., Nat. Kaohsiung First Univ. of Sci. & Tech., Kaohsiung, Taiwan
Abstract :
In this paper, a digital image sharpening method using Riesz fractional order derivative (RFOD) and discrete Hartley transform (DHT) is presented. First, the definition of Riesz fractional order derivative is reviewed briefly. Then, the DHT interpolation method is described. Next, the RFOD, DHT interpolation and Mach band effect are used to construct a digital image sharpening algorithm. Finally, several numerical examples are demonstrated to show the effectiveness of the proposed digital image sharpening approach.
Keywords :
Hartley transforms; image processing; interpolation; DHT interpolation method; Mach band effect; RFOD; Riesz fractional order derivative; digital image sharpening method; discrete Hartley transform; Color; Digital images; Finite impulse response filters; Fourier transforms; Interpolation;
Conference_Titel :
Circuits and Systems (APCCAS), 2014 IEEE Asia Pacific Conference on
Conference_Location :
Ishigaki
DOI :
10.1109/APCCAS.2014.7032824
