Coding method, decoding method, coding apparatus, decoding apparatus, program, and integrated circuit

    公开(公告)号:AU2011250758B2

    公开(公告)日:2012-04-05

    申请号:AU2011250758

    申请日:2011-11-11

    Abstract: A method of decoding a coded stream obtained by coding a first picture group and a second picture group for each access unit including a picture of the first picture group 5 and a picture of the second picture group that corresponds to the picture of the first picture group, the first picture group and the second picture group being interlaced and captured at different view points, and said method comprising: extracting, from the coded stream, 10 first flag information indicating whether pictures included in the access unit are coded on a per-field basis or on a per-frame basis, and decoding the first flag information; decoding the picture of the second picture group on a per-frame basis by referring to the picture of 15 the first picture group on a per-frame basis, when the first flag information indicates that the pictures included in the access unit are coded on a per-frame basis; extracting, from the coded stream, second flag information indicating whether the pictures included in 20 the access unit are coded as top fields or bottom fields when the first flag information indicates that the pictures included in the access unit are coded on a per field basis, and decoding the second flag information; decoding the picture of the second picture group as a 25 top field by referring to the picture of the first picture group on a per-field basis, when the second flag information indicates that the pictures included in the access unit are coded as top fields; and decoding the picture of the second picture group as a bottom field by 30 referring to the picture of the first picture group on a per-field basis, when the second flag information indicates that the pictures included in the access unit are coded as bottom fields. 2949151_1 (GHMatters) P84360.AU.2 11/11/11 Code view components in access unit Determine reference field-pic-flag value S502 Start processing on each view component in access unit S1 Start processing on each slice in view component S512 Set field_pic flag value in slice header of slice to S514 be equal to reference field pic flag value Field_picflag equal to ""? Ys S55066 SS50 7 S !et 0" !tSetfebottom bfieldjlflag vauei -toireferen bottomfieldflag Next lice of view component s unit available?S5 Nos Net iew componve in acce i av ie 53 o 1 Endoto ildfa vlei

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