The inverse conversion for the above four equations should be computed as. t ((Cb-(1<<(BitDepthc-1)))>>1 (E-30) G = Cliply(t+(Cb-(1<<(BitDepthc-1))) (E-31) B = Cliply(t-((Cr-(1<<(BitDepthc >1)) (E-32) R = Cliply(B +(Cr-(1<< (BitDepthc (E-33) Rec. ITU-T H.264 (01/2012) Table E-5 - Matrix coefficients Value Matrix Informative remark Typically referred to as RGB; see Equations E-16 to E-18 KR=0.2126;KB=0.0722 ITU-R Rec. BT.709-5 ITU-R Rec. BT.1361 conventional colour gamut system and extended colour gamut system IEC 61966-2-4 xvYCC709 Society of Motion Picture and Television Engineers RP 177 (1993) Annex B Unspecified Image characteristics are unknown or are determined by the application. Reserved For future use by ITU-T | ISO/IEC KR=0.30; Kg 0.11 United States Federal Communications Commission Title 47 Code of Federal Regulations (2003) 73.682 (a) (20) KR=0.299;KB = 0.114 ITU-R Rec. BT.470-6 System B, G (historical) ITU-R Rec. BT.601-6 625 ITU-R Rec. BT.1358 625 ITU-R Rec. BT.1700 625 PAL and 625 SECAM IEC 61966-2-4 xvYCC601 (functionally the same as the value 6) KR=0.299;KB=0.114 ITU-R Rec. BT.601-6 525 ITU-R Rec. BT.1358 525 ITU-R Rec. BT.1700 NTSC Society of Motion Picture and Television Engineers 170M (2004) (functionally the same as the value 5) Kr=0.212;Kg 0.087 Society of Motion Picture and Television Engineers 240M (1999) YCgCo See Equations E-19 to E-33 9..255 Reserved For future use by ITU-T ISO/IEC chroma_loc_info_present_flag equal to 1 specifies that chroma_sample_loc_type_top_field chroma_sample_loc_type_bottom_field are present. chroma_loc_info_present_fla, equal to 0 specifies that chroma_sample_loc_type_top_field and chroma_sample_loc_type_bottom_fieldare not present. When chroma_format_idc is not equal to 1,chroma_loc_info_present_flagshould be equal to 0. chroma_sample_loc_type_top_field and 1chroma_sample_loc_type_bottom_field specify the location of chroma samples as follows: If chroma_format_idc is equal to 1 (4:2:0 chroma format), chroma_sample_loc_type_top_field and chroma_sample_loc_type_bo