18419297. Gradual Decoding Refresh In Video Coding simplified abstract (Huawei Technologies Co., Ltd.)

Gradual Decoding Refresh In Video Coding

Organization Name

Huawei Technologies Co., Ltd.

Inventor(s)

FNU Hendry of San Diego CA (US)

Ye-Kui Wang of San Diego CA (US)

Jianle Chen of San Diego CA (US)

Gradual Decoding Refresh In Video Coding - A simplified explanation of the abstract

This abstract first appeared for US patent application 18419297 titled 'Gradual Decoding Refresh In Video Coding

Simplified Explanation: The patent application describes a method for decoding a coded video bitstream by a video decoder. The method involves determining the value of a flag from an external input, setting flags accordingly to prevent output of certain pictures, decoding specific pictures, and storing them in a buffer.

• The video decoder checks if a value for a first flag is provided by an external input.
• The first flag is set based on the external input, along with a second flag to prevent output of certain pictures.
• The method involves decoding a specific type of picture known as a Gradual Decoding Refresh (GDR) picture.
• The decoded GDR picture is then stored in a Decoded Picture Buffer (DPB).

Key Features and Innovation:

• External input determines flag values.
• Flags prevent output of specific pictures.
• Decoding and storing of GDR pictures.

Potential Applications: This technology can be used in video decoding systems to efficiently process and store video data.

Problems Solved: This method helps in managing the output of certain types of pictures in a video bitstream, ensuring efficient decoding and storage.

Benefits:

• Improved video decoding efficiency.
• Better management of picture output.
• Enhanced video processing capabilities.

Commercial Applications: Potential commercial applications include video streaming services, surveillance systems, and video editing software.

Prior Art: Prior research in video decoding methods and picture storage techniques may be relevant to this technology.

Frequently Updated Research: Stay updated on advancements in video decoding algorithms and storage technologies for potential improvements in this method.

Questions about Video Decoding: 1. How does this method improve the efficiency of video decoding processes? 2. What are the potential applications of this technology in the video industry?

Original Abstract Submitted

A method of decoding a coded video bitstream implemented by a video decoder is provided. The method includes the video decoder determining whether a value for a first flag is provided by an external input; setting a first flag equal to the value provided by the external input and a second flag equal to the value of the first flag to prevent a gradual decoding refresh (GDR) picture from being output when the value for the first flag is provided by the external input; decoding the GDR picture; and storing the GDR picture in a decoded picture buffer (DPB).