Opened 9 years ago

Closed 9 years ago

#467 closed defect (fixed)

Typo and editorial enhancemend in Field indication SEI

Reported by: kchono Owned by: bbross
Priority: minor Milestone:
Component: Text Version: D6 (H1003) dI/dJ/dK
Keywords: field indication Cc: bbross, wjhan, jct-vc@…

Description

[Typo]
Table D-1's title is incorrect. The title should be replaced by "Interpretation of combinations of sequence_type_flag and progressive_source_flag values" as in JCTVC-H0720.doc

[Editorial enhancement]
The note of sequence_type_flag semantics should be improved. Access units containing pictures that represent 1080i fields cannot have dimensions of 1920x540 because the minimum CU size is 8 in the current spec. The following text may be more appropriate:

"NOTE - The video coding layer of HEVC does not treat access units conveying pictures that represent fields or frames differently. A sequence of pictures that represent fields would therefore be coded with picture dimensions of a field. For example, access units containing pictures that represent 1080i fields would commonly have dimensions of 1920x544 when its minimum coding unit size is equal to 8, while the sequence picture rate would express the rate of the source fields (typically between 50 Hz and 60 Hz), instead of the source frame rate (typically between 25 and 30 Hz)."

Change History (4)

comment:1 Changed 9 years ago by DefaultCC Plugin

  • Cc bbross wjhan jct-vc@… added

comment:2 Changed 9 years ago by bbross

  • Milestone changed from WD6 to D7

In d7 HLS text, sequence_type_flag is replaced by field_pic_flag and the table caption is changed accordingly.

Although 1920x540 is not changed to 1920x544 in the note.

comment:3 Changed 9 years ago by bbross

  • Milestone D7 deleted

comment:4 Changed 9 years ago by bbross

  • Resolution set to fixed
  • Status changed from new to closed
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  • Benjamin Bross(Owner, Subscriber, Participant)
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  • Karsten Suehring(Always)
  • Keiichi Chono(Reporter)
  • Woo-Jin Han(Subscriber)