Method and device for designing low-frequency non-separable transform
US-2024373011-A1 · Nov 7, 2024 · US
Picture encoding and decoding method, picture encoding and decoding device and network system
US9106897B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-9106897-B2 |
| Application number | US-201314026682-A |
| Country | US |
| Kind code | B2 |
| Filing date | Sep 13, 2013 |
| Priority date | Mar 16, 2011 |
| Publication date | Aug 11, 2015 |
| Grant date | Aug 11, 2015 |
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Abstract
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A picture encoding and decoding method, a picture encoding and decoding device and a network system are provided, in which, the picture encoding method includes: determining a prediction block used by a picture block according to a division manner of the picture block; determining a corresponding division level in the picture block or the prediction block of transform blocks corresponding to the picture block or the prediction block, in which, the transform blocks corresponding to the picture block or the prediction block include one or more transform blocks; determining a size of the transform blocks corresponding to the picture block or the prediction block according to the division manner of the picture block and the division level; determining identification information for identifying the division level corresponding to the transform blocks corresponding to the picture block or the prediction block; and writing the identification information into a code stream.
First claim
Opening claim text (preview).
What is claimed is: 1. A picture encoding method, comprising: determining a prediction block used by a picture block according to a division manner of the picture block; determining a corresponding division level in the picture block or the prediction block of a transform block corresponding to the picture block or the prediction block; determining a size of the transform block corresponding to the picture block or the prediction block according to the division manner of the p…
Assignees
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Classifications
- H04N19/61Primary
Electricity · mapped topic
Electricity · mapped topic
Electricity · mapped topic
Electricity · mapped topic
Electricity · mapped topic
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Frequently asked questions
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- What does patent US9106897B2 cover?
- A picture encoding and decoding method, a picture encoding and decoding device and a network system are provided, in which, the picture encoding method includes: determining a prediction block used by a picture block according to a division manner of the picture block; determining a corresponding division level in the picture block or the prediction block of transform blocks corresponding to th…
- Who is the assignee on this patent?
- Univ Tsinghua, Huawei Tech Co Ltd
- What technology area does this patent fall under?
- Primary CPC classification H04N19/61. Mapped technology areas include Electricity.
- When was this patent published?
- Publication date Tue Aug 11 2015 00:00:00 GMT+0000 (Coordinated Universal Time) (B2). Legal status and post-grant events are not shown on this page.
- What related patents are in patentsdb?
- We list 8 related publications on this page (citations in our corpus or others sharing the same primary CPC).