Title:
MEDIA FILE PROCESSING METHOD AND DEVICE THEREFOR
Document Type and Number:
WIPO Patent Application WO/2022/065893
Kind Code:
A1
Abstract:
According to one embodiment of the present document, provided is a media file generating method performed by a media file generating device. The method comprises the steps of: constructing subpicture tracks comprising subpicture image data; constructing a base track referencing the subpicture tracks; and generating a media file comprising the subpicture tracks and the base track, wherein a sample of the base track forms a rectangular area without holes and overlaps, the holes indicate areas that are not covered by at least one of samples of the referenced subpicture tracks, and the overlaps indicate areas that are covered more than once by the samples of the referenced subpicture tracks.
Inventors:
HENDRY HENDRY (KR)
Application Number:
PCT/KR2021/012996
Publication Date:
March 31, 2022
Filing Date:
September 24, 2021
Export Citation:
Assignee:
LG ELECTRONICS INC (KR)
International Classes:
H04N21/2343; H04N19/105; H04N19/174; H04N19/44; H04N19/70; H04N21/236; H04N21/434; H04N21/4402
Domestic Patent References:
| WO2020002122A1 | 2020-01-02 |
Foreign References:
| KR20190131077A | 2019-11-25 | |||
| KR20200110415A | 2020-09-23 | |||
| US20200228837A1 | 2020-07-16 | |||
| KR20200085921A | 2020-07-15 |
Attorney, Agent or Firm:
ENVISION PATENT & LAW FIRM (KR)
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