Title:
データ生成方法及び復号装置
Document Type and Number:
Japanese Patent JP6851028
Kind Code:
B2
Abstract:
A data generation device comprises: a generating circuit configured to generate video data according to an Advanced Video Coding (AVC) standard and a second opto-electrical transfer function (OETF), an intensity of light within a second range being input into the second OETF; and a storage to store: video usability information (VUI) including a first value indicating a first OETF; and supplemental enhancement information (SEI) including a second value indicating the second OETF, wherein the first OETF supports a first range of an input intensity of light and the second range is wider than the first range, and the first value is to be referred to by a decoding device that does not support the second OETF, the second OETF is a combination of a square root function and a logarithmic function, the SEI is provided in a multiplexing layer other than a video coding layer, and the second OETF has compatibility with the first OETF.
Inventors:
Virginia dorjon
Takahiro Nishi
Masamasa Toma
Takahiro Nishi
Masamasa Toma
Application Number:
JP2020188697A
Publication Date:
March 31, 2021
Filing Date:
November 12, 2020
Export Citation:
Assignee:
Panasonic IP Management Co., Ltd.
International Classes:
H04N21/235; H05B44/00
Domestic Patent References:
| JP2014531821A |
Foreign References:
| WO2014178286A1 | ||||
| WO2014002901A1 | ||||
| WO2015190246A1 |
Attorney, Agent or Firm:
Hiromori Arai
Eisaku Teratani
Shinichi Michisaka
Eisaku Teratani
Shinichi Michisaka