Video encoding / decoding apparatus and method and non-transitory recording medium
By adaptively adjusting the motion vector resolution, the efficiency problem of existing video coding technologies when image characteristics change is solved, achieving more efficient video coding and decoding.
CN116567209BActive Publication Date: 2026-06-19SK TELECOM CO LTD
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- SK TELECOM CO LTD
- Filing Date
- 2017-10-17
- Publication Date
- 2026-06-19
AI Technical Summary
Technical Problem
Existing video coding technologies suffer from insufficient resolution of motion vectors when dealing with changes in image characteristics, resulting in low coding efficiency and an inability to effectively adapt to increases in image size and resolution.
Method used
By adaptively determining the motion vector resolution of the current block and encoding its information, and using a motion vector resolution decoder and a video decoder to predict and decode video blocks, efficient adjustment of motion vectors is achieved.
Benefits of technology
It improves the efficiency of video encoding and decoding, adapts to changes in image characteristics, reduces data volume, and enhances encoding quality.
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Figure CN116567209B_ABST
Abstract
This disclosure relates to a video encoding / decoding apparatus and method, and a non-transitory recording medium. The present invention provides a method for encoding an image, the method comprising: determining a motion vector resolution of a current block; determining a motion vector of the current block based on the motion vector resolution; predicting and encoding the current block using the motion vector; and encoding information about the motion vector resolution.
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