International organisation for standardisation organisation internationale de normalisation

Lossy coding results

		AI-MT	AI-HT	AI-SHT	RA-MT	RA-HT	LB-MT	LB-HT
Test 1	Class F	−2.9%	−3.0%	−3.0%	−2.1%	−2.0%	−1.2%	−1.3%
	Class B	0.0%	0.0%	0.0%	0.1%	0.1%	0.1%	0.1%
	SC RGB 444	−8.3%	−10.4%	−12.2%	−7.6%	−9.1%	−6.4%	−7.8%
	Animation RGB 444	0.0%	0.0%	0.0%	0.1%	0.0%	0.1%	0.0%
	SC YUV 444	−7.1%	−9.4%	−11.2%	−6.2%	−8.2%	−4.6%	−6.2%
	Animation YUV 444	0.0%	0.0%	0.0%	0.1%	0.1%	0.2%	0.1%
	RangeExt	0.0%	0.0%	0.0%	0.1%	0.1%	0.1%	0.1%
	SC(444) GBR Optional	−28.1%	−31.6%	−37.0%	−24.0%	−27.5%	−20.2%	−24.9%
	SC(444) YUV Optional	−16.4%	−22.4%	−29.7%	−14.8%	−19.6%	−13.9%	−17.5%
	Enc. Time[%]	102%	102%	102%	102%	102%	102%	101%
	Dec. Time[%]	102%	101%	101%	110%	109%	112%	112%

		AI-MT	AI-HT	AI-SHT	RA-MT	RA-HT	LB-MT	LB-HT
Test 2	Class F	−0.6%	−1.1%	−1.4%	−0.3%	−0.5%	0.0%	−0.2%
	Class B	0.1%	0.0%	0.0%	0.2%	0.1%	0.1%	0.1%
	SC RGB 444	−10.0%	−13.0%	−16.3%	−9.3%	−11.4%	−4.2%	−5.4%
	Animation RGB 444	0.0%	0.0%	0.0%	0.0%	0.0%	0.0%	0.0%
	SC YUV 444	−7.0%	−11.1%	−14.7%	−6.8%	−10.3%	−2.9%	−4.4%
	Animation YUV 444	0.0%	0.0%	0.0%	0.1%	0.1%	0.1%	0.0%
	RangeExt	0.0%	0.0%	0.0%	0.1%	0.0%	0.2%	0.1%
	SC(444) GBR Optional	−26.8%	−30.5%	−37.1%	−21.8%	−24.9%	−11.1%	−15.0%
	SC(444) YUV Optional	−22.0%	−29.4%	−37.2%	−19.3%	−24.3%	−10.2%	−14.0%
	Enc. Time[%]	118%	116%	115%	107%	106%	106%	105%
	Dec. Time[%]	99%	98%	96%	100%%	99%	101%	100%

Lossless coding results

			AI			RA			LB
	Bit-rate saving	Average	Min	Max	Average	Min	Max	Average	Min	Max
Test 1	Class F	−0.6%	−1.5%	0.0%	−0.2%	−0.4%	0.0%	0.0%	−0.1%	0.0%
	Class B	0.0%	0.0%	0.0%	0.0%	0.0%	0.0%	0.0%	0.0%	0.0%
	SC RGB 444	−12.6%	−36.8%	−0.1%	−10.4%	−36.6%	0.2%	−9.7%	−34.6%	−0.1%
	Animation RGB 444	−0.2%	−0.5%	0.0%	−0.2%	−0.5%	0.0%	−0.2%	−0.5%	0.0%
	SC YUV 444	−8.6%	−26.9%	−0.3%	−7.2%	−26.6%	−0.1%	−6.0%	−23.6%	−0.1%
	Animation YUV 444	−0.4%	−1.2%	0.0%	−0.4%	−1.2%	0.0%	−0.4%	−1.2%	0.0%
	RangeExt	0.0%	0.0%	0.0%	0.0%	0.0%	0.0%	0.0%	0.0%	0.0%
	SC(444) GBR Optional	−34.5%	−48.0%	−14.4%	−31.8%	−45.7%	−9.6%	−27.0%	−41.6%	−9.3%
	SC(444) YUV Optional	−27.1%	−40.3%	−12.2%	−24.9%	−39.5%	−6.3%	−22.4%	−37.4%	−5.7%
	Enc. Time[%]		103%			102%			102%
	Dec. Time[%]		94%			104%			107%

			AI			RA			LB
	Bit-rate saving	Average	Min	Max	Average	Min	Max	Average	Min	Max
Test 2	Class F	−0.4%	−1.2%	0.0%	0.0%	−0.1%	0.3%	0.0%	0.0%	0.1%
	Class B	0.0%	0.0%	0.0%	0.0%	0.0%	0.0%	0.0%	0.0%	0.0%
	SC RGB 444	−17.8%	−42.5%	−0.3%	−12.0%	−41.8%	−0.2%	−8.2%	−35.0%	−0.1%
	Animation RGB 444	0.0%	−0.1%	0.0%	0.0%	0.0%	0.0%	0.0%	0.0%	0.0%
	SC YUV 444	−17.4%	−40.5%	−0.3%	−12.4%	−39.8%	−0.1%	−8.4%	−33.4%	0.0%
	Animation YUV 444	−0.8%	−2.5%	0.0%	−0.1%	−0.2%	0.0%	0.0%	−0.2%	0.0%
	RangeExt	0.0%	0.0%	0.0%	0.0%	0.0%	0.0%	0.0%	0.0%	0.0%
	SC(444) GBR Optional	−38.9%	−48.5%	−27.1%	−27.8%	−39.0%	−7.0%	−17.3%	−23.8%	−6.2%
	SC(444) YUV Optional	−37.5%	−48.6%	−15.9%	−29.8%	−46.5%	−0.8%	−22.4%	−33.6%	−0.1%
	Enc. Time[%]		123%			108%			105%
	Dec. Time[%]		100%			101%			102%

For P0108, some reservation was expressed on the grounds that the method is not fully understood w.r.t. the quantization table in the escape mode. Some other issues on both P0108 and P0198 are recorded in the notes of related proposals in non-RCE4 section.

2.