Title :
FPGA implementation of vector directional distance filter
Author :
Boudabous, A. ; Ben Atitallah, A. ; Khriji, L. ; Kadionik, P. ; Masmoudi, N.
Author_Institution :
Lab. of Electron. & Inf. Technol. (E.N.I.S.), Sfax, Tunisia
Abstract :
In this paper, we present a fast implementation of the vector directional distance filter (VDDF) for noise suppression and fine-details preservation in color image, based on FPGA hardware/software (HW/SW) environment. For the ease of implementation, we have proposed some approximations. An efficient hardware implementation is developed to acquire best execution time. After validation, using NiosII development board, we demonstrate a clearly improvement in the filtering speed compared to the software solution. Experiments on a large and diverse image sets show that our implementation approach achieves an excellent balance between simplicity, accuracy, and computational speed.
Keywords :
digital signal processing chips; field programmable gate arrays; filtering theory; hardware-software codesign; image colour analysis; noise; FPGA hardware/software environment; NiosII development board; color image; filtering speed improvement; noise suppression; vector directional distance filter; Color; Colored noise; Digital filters; Digital signal processing; Field programmable gate arrays; Filtering; Hardware; Nonlinear filters; Pixel; Statistics;
Conference_Titel :
Design and Technology of Integrated Systems in Nanoscale Era (DTIS), 2010 5th International Conference on
Conference_Location :
Hammamet
Print_ISBN :
978-1-4244-6338-1
DOI :
10.1109/DTIS.2010.5487600