Nicolas Horst

2 accepted papers

2024

Complexity Reduction of Template Matching-Based Reference Picture Padding in Video Coding

ICASSP 2024accepted

Reference Picture Padding removes the restriction for motion vectors to point completely inside the reference picture. Removing this restriction increases the compression efficiency and is, therefore, applied in many video coding standards. However, artifacts can occur at the picture boundaries if t…

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2023

A Template Matching Approach for Reference Picture Padding in Video Coding

Nicolas Horst, Priyanka Das, Mathias Wien

ICASSP 2023accepted

Reference picture padding is needed in areas close to the picture boundary. It lifts the restriction of motion vectors not to point over the boundary when using inter prediction. Especially, when independently decodable subpictures are used e.g. in viewport-adaptive streaming, many boundaries occur,…

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