Decoding of main 4: 2: 2 10-bit bitstreams in HEVC Main 8-bit best-effort decoders

Woo Seok Jeong, Hyunmin Jung, Soo-Ik Chae

Abstract: This paper describes a new method of best effort decoding that substantially reduces PSNR loss especially in intra prediction and an HEVC Main-profile best-effort decoder that can decode 4:2:2 10-bit bitstreams. For inter prediction in the decoder, reference pixels are decoded in the 4:2:2 10-bit format and non-reference pixels are in the 4:2:0 8-bit format. The PSNR loss in the best-effort decoder is from 0.07 dB to 1.19 dB for QP values in the range of 22 to 37.