Custom Query (1442 matches)
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Ticket | Resolution | Summary | Owner | Reporter |
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#313 | fixed | Missing QpBdOffsetC in equations for deriving chroma QPs | bbross | hao |
Description |
The derivation of chroma QPs (p.83) is described as follows. The values of QP'Cb and QP'Cr are derived as QP'Cb = Clip3(0, 51, QP'Y + chroma_cb_qp_offset) (7-22) QP'Cr = Clip3(0, 51, QP'Y + chroma_cr_qp_offset) (7-22) QpBdOffsetC should be employed here, for example as follows. QP'Cb = Clip3(0, 51+QpBdOffsetC, QP'Y + chroma_cb_qp_offset) (7-23) QP'Cr = Clip3(0, 51+QpBdOffsetC, QP'Y + chroma_cr_qp_offset) (7-24) |
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#319 | fixed | mismatch between HM and WD on scaling list | bbross | teruhiko |
Description |
Default scaling list is defined as 1D array in zigzag scan order. This must be converted into 2D array of ScalingFactor. This conversion from zigzag scan to 2D array is missing in the WD5 d9. Proposed fix is included in the attachment of JCTVC-H0230 together with the description adopted at San Jose. |
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#320 | fixed | mismatch between HM and WD on default scaling list for 16x16/32x32 | bbross | teruhiko |
Description |
The default value of scaling list for 16x16 and 32x32 are not correct. The correct values are included in JCTVC-G1016-v4.zip |