Image encoding/decoding method and device for performing PROF, and method for transmitting bitstream
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United States of America Patent
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Feb 27, 2024
Grant Date -
Mar 23, 2023
app pub date -
Oct 20, 2022
filing date -
Sep 19, 2019
priority date (Note) -
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status (Latency Note)
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Abstract
An image encoding/decoding method and apparatus are provided. An image decoding method according to the present disclosure is performed by an image decoding apparatus. The image decoding method comprises deriving a prediction sample of a current block based on motion information of the current block, deriving a reference picture resampling (RPR) condition for the current block, determining whether prediction refinement with optical flow (PROF) applies to the current block based on the RPR condition, and deriving a refined prediction sample for the current block by applying PROF to the current block.
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