


Xiaomi leads Huawei, Tencent, OPPO, and Honor to jointly apply to formulate a single-layer HDR image format standard
According to news from this site on March 21, the World Ultra-HD Video Industry Alliance (UWA Alliance) recently announced that the "High Dynamic Range (HDR) Still Image No. 2" led by Beijing Xiaomi Electronic Products Co., Ltd. and other units Part: Single-layer format》The group standards meet the project requirements, and the project is now approved. At the same time, participating units are solicited from member units.
The application obtained by this site shows that this standard project is led by Xiaomi, Xiaomi, China Electronics Technology Standardization Institute, Huawei, Tencent, OPPO, and Honor jointly applied, starting and ending of the plan The period is from March 2024 to December 2024.
According to the project establishment standards, the HDR still image distribution format will be divided into single layer and double layer. The double layer is HDR SDR, and the single layer is only HDR.
The application shows that the dual-layer HDR distribution format is basically finalized and can be quickly reached a consensus and released, while the single-layer distribution format takes longer; the single- and double-layer distribution format is completely different Similarly, the single-layer distribution format does not need to be compatible with the existing SDR image format, and has more freedom to solve the problems of the existing format (such as removing private data during distribution, etc.).
Single-layer HDR images have obvious advantages in the following scenarios:
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1. Taking HDR photos and producing HDR images does not require additional production of SDR content
2. Editing HDR images is more efficient, and there is no need to adjust the SDR part.
3. It has higher compression efficiency, saving storage space and Transmission bandwidth
4. When distributing HDR images, private information can be individually erased

##This standard will specify the distribution format of single-layer HDR images, including requirements for system block diagram, image encapsulation, metadata, HDR to SDR conversion, etc. This standard applies to the production, editing, transmission, rendering and display of single-layer HDR images.

The above is the detailed content of Xiaomi leads Huawei, Tencent, OPPO, and Honor to jointly apply to formulate a single-layer HDR image format standard. For more information, please follow other related articles on the PHP Chinese website!

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