Title :
On the effects of multipath and link length of PLC channels on image quality
Author :
Al-Hinai, Noura ; Sadik, Amin Z. ; Hussain, Zahir M.
Author_Institution :
Sch. of Electr. & Comput. Eng., RMIT Univ., Melbourne, VIC, Australia
Abstract :
Transmission of wavelet-compressed still images using FFT-OFDM over multipath power line communication (PLC) channels under additive white Gaussian noise (AWGN) and impulsive noise is addressed. Only the low-subbands coefficients were chosen to be transmitted from each decomposition level for compression, rather than using a global threshold for the compression of the wavelet coefficients. A study of the number of paths and length of link have been carried out to observe their effect on the quality of image via structural similarity quality assessment.
Keywords :
AWGN channels; OFDM modulation; carrier transmission on power lines; data compression; discrete wavelet transforms; fast Fourier transforms; image coding; impulse noise; FFT-OFDM; PLC channels; additive white Gaussian noise; image quality; impulsive noise; link length; low-subbands coefficients; power line communication; structural similarity quality assessment; wavelet-compressed still images; AWGN; Attenuation; Image coding; Image quality; Mathematical model; OFDM; DWT; OFDM; PLC; image quality assessment; structural similarity;
Conference_Titel :
GCC Conference & Exhibition, 2009 5th IEEE
Conference_Location :
Kuwait City
Print_ISBN :
978-1-4244-3885-3
DOI :
10.1109/IEEEGCC.2009.5734260
