Table 3.

Compression ratios and objective target quality for each encoder and modality combination

HREM
Encoder	Target quality	Compression ratio	Encoder	Target quality	Compression ratio
JPEG 2000	65 dB	10	H.265/HEVC	60 dB (QP 2)	45
	60 dB	33		58 dB (QP 5)	112
	55 dB	159		56 dB (QP 10)	274
	50 dB	643		54 dB (QP 17)	941
µMRI
JPEG 2000	55 dB	9	H.265/HEVC	57 dB (QP 2)	10
	50 dB	15		54 dB (QP 5)	14
	45 dB	44		49 dB (QP 10)	34
				48 dB (QP 12)	52
µCT
JPEG 2000	57 dB	8	H.265/HEVC	53 dB (QP 5)	16
	55 dB	9		50 dB (QP 8)	34
	53 dB	12		48 dB (QP 10)	58