Huawei technologies co., ltd. (20240121421). MOTION VECTOR OBTAINING METHOD AND APPARATUS simplified abstract

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MOTION VECTOR OBTAINING METHOD AND APPARATUS

Organization Name

huawei technologies co., ltd.

Inventor(s)

Huanbang Chen of Shenzhen (CN)

Yin Zhao of Hangzhou (CN)

Haitao Yang of Shenzhen (CN)

Jianle Chen of San Diego CA (US)

MOTION VECTOR OBTAINING METHOD AND APPARATUS - A simplified explanation of the abstract

This abstract first appeared for US patent application 20240121421 titled 'MOTION VECTOR OBTAINING METHOD AND APPARATUS

Simplified Explanation

The patent application describes a method and apparatus for obtaining motion vectors in video processing. Here are the key points explained in bullet form:

  • Determining a target offset vector and identifier information of a target picture for a block containing sub-blocks.
  • Locating the sub-block within the block.
  • Clipping the initial location coordinate value based on the sub-block location and target offset vector to obtain a target location coordinate value for a collocated sub-block.
  • Obtaining a motion vector for the sub-block based on the motion vector corresponding to the target location coordinate value.
      1. Potential Applications

This technology can be applied in video compression, video editing software, and motion tracking systems.

      1. Problems Solved

This technology reduces memory read times and optimizes the process of obtaining motion vectors in video processing.

      1. Benefits

The method and apparatus described in the patent application improve efficiency in motion vector calculation, leading to faster video processing and reduced memory usage.

      1. Potential Commercial Applications

This technology can be utilized in video streaming services, surveillance systems, and virtual reality applications.

      1. Possible Prior Art

One possible prior art could be existing methods for motion vector calculation in video processing systems.

        1. Unanswered Questions
        1. How does this technology compare to existing motion vector calculation methods in terms of accuracy and efficiency?

This article does not provide a direct comparison with existing methods, leaving the question of performance unanswered.

        1. Are there any limitations or constraints in the implementation of this technology in real-world video processing systems?

The article does not address any potential limitations or constraints that may arise when implementing this technology, leaving this aspect unexplored.


Original Abstract Submitted

this application provides a motion vector obtaining method and apparatus. the method includes: determining a target offset vector of a block and identifier information of a target picture, wherein the block comprises at least one sub-block; determining a location of the sub-block; determining, as a target location coordinate value of a collocated sub-block, a location coordinate value obtained by performing a clipping operation on an initial location coordinate value in a range, wherein the initial location coordinate value is based on the location of the sub-block and the target offset vector; and obtaining a motion vector of the sub-block based on a motion vector corresponding to the target location coordinate value. thus, a range of the target offset vector is limited, so that a quantity of memory read times can be reduced in a process of obtaining the motion vector of the collocated sub-block.

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