WASET
	%0 Journal Article
	%A Kibaek Kim and  Dongjin Jung and  Jinik Jang and  Jechang Jeong
	%D 2011
	%J International Journal of Electronics and Communication Engineering
	%B World Academy of Science, Engineering and Technology
	%I Open Science Index 55, 2011
	%T Intra Prediction using Weighted Average of Pixel Values According to Prediction Direction
	%U https://publications.waset.org/pdf/8359
	%V 55
	%X In this paper, we proposed a method to reduce
quantization error. In order to reduce quantization error, low pass
filtering is applied on neighboring samples of current block in
H.264/AVC. However, it has a weak point that low pass filtering is
performed regardless of prediction direction. Since it doesn-t consider
prediction direction, it may not reduce quantization error effectively.
Proposed method considers prediction direction for low pass filtering
and uses a threshold condition for reducing flag bit. We compare our
experimental result with conventional method in H.264/AVC and we
can achieve the average bit-rate reduction of 1.534% by applying the
proposed method. Bit-rate reduction between 0.580% and 3.567% are
shown for experimental results.
	%P 815 - 818