Hybrid Predictor and Field-Biased Context Pixel Selection Based on PPVO

Table 2

Comparisons of embedding capacity (/bit) in terms of different context pixels between PPVO and HPPVO.

Image
		Lena	44,118/44,564	34,210/34,226		28,561/28,562	18,195/22,212	20,175/20,175
35,825/36,201	30,535/30,452			24,199/23,806
Baboon	13,548/13,576	10,361/10,361	8,367/8,367	5,995/6,532	5,779/5,779
		10,830/10,630	9,172/8,876	7,047/6,958
Barbara	34,930/35,266	27,013/27,024	23,127/23,127	16,036/18,429	17,147/17,147
		28,416/29,056	24,480/25,174	19,873/19,982
Boat	29,194/29,369	22,930/22,937	18,946/18,946	12,622/14,575	13,126/13,126
		24,005/23,741	20,151/20,096	15,827/15,891
Peppers	33,439/33,628	26,341/26,344	21,524/21,524	14,469/16,865	15,435/15,435
		27,311/27,368	23,267/23,265	18,226/18,249
F16	66,923/68,955	53,372/53,663	45,455/45,518	26,888/35,540	32,411/32,414
		56,643/56,704	48,319/48,775	38,170/38,836
Cluster Average	37,025/37,560	29,021/29,093	24,330/24,356	15,701/19,026	17,346/17,346
		30,505/30,617	25,987/26,106	20,557/20,620