FILE PROCESSING DEVICE, FILE PROCESSING METHOD, AND PROGRAM

WIPO Patent Application WO/2020/255756

A1

The present technology relates to a file processing device, a file processing method, and a program that make it possible to associate images that are stored in files with external data that is outside the files. According to the present invention, a file control unit generates a High Efficiency Image File Format (HEIF) file that has a reserve region that is reserved for storing relationship information that relates to the association between an image that is stored in the HEIF file and specifying information that specifies external data that is outside the HEIF file and is associated with the image. The file control unit uses the reserve region to write the relationship information into the HEIF file. The present technology can be applied to situations in which an HEIF file is generated and then an image that has been stored in the HEIF file is to be associated with external data.

FUNAMOTO DAISUKE (JP)
ITO RYOGO (JP)
ISOBE YUKIO (JP)
ISHIZAKA TOSHIHIRO (JP)
MATSUI YUJI (JP)
YAMADA TAKAHARU (JP)

PCT/JP2020/022380

December 24, 2020

June 05, 2020

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SONY CORP (JP)

H04N5/232; G06F16/14; H04N5/76; H04N5/92

US20190052937A1

2019-02-14

ANONYMOUS: "ISO/IEC 23008-12 Information technology - High efficiency coding and media delivery in heterogeneous environments Part 12: Image File Format", ISO/IEC STANDARD,20171130ISO/IEC, CH, 30 November 2017 (2017-11-30), pages 1 - 72, XP009522782
"Information technology -- High efficiency coding and media delivery in heterogeneous environments", ISO/IEC 23008-12:2017
See also references of EP 3975544A4

NISHIKAWA Takashi et al. (JP)

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