Research Topics of Multimedia Communications Group

Tile Based HEVC Video for Virtual Reality

Fraunhofer HHI's technique for Compressed Domain Tile Aggregation drastically reduces decoder requirements for VR enabling 16K VR video to be packed in 4K resolution. Video quality and resolution is adapted on-the-fly based on user viewport without transcoding.

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Large-scale Data-driven Video Analysis

Videos have become ubiquitous on the Internet, which profoundly increased the necessity for automatically analyzing their semantic content for vision applications such as classification, recognition, and tracking. Recently, deep learning-based methods have proved to be very successful in automatic analysis of videos.

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Compressed Domain Video Compositing

Video compositing is used in many applications, e.g. IPTV services, in which user interface elements are displayed as a video overlay. Fraunhofer HHI has developed a lightweight technique for compositing of HEVC coded video in the compressed domain.

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Advertisement Overlay Insertion for HEVC based services

Insertion of transparent advertisement overlays into coded video is much more robust against ad blocking and further removal techniques compared to side channel advertising such as via HTML5 or Adobe Flash.

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Advanced MPEG-DASH

The combination of Dynamic Adaptive Streaming over HTTP (DASH) with layered codecs, such as SVC and MVC opens up a wide range of possibilities for a more improved usage of network resources.

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Improved DASH over LTE

A novel technique, which combines LTE features with knowledge about HTTP Streaming sessions for optimization of the wireless resources. The combined optimization yields an improved transmission of videos over cellular wireless systems which are based on LTE and LTE-Advanced.

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Further Topics

A collection of initial works on multimedia communication and transmission for 3G and DVB-T/DVB-H networks as well as joint source/channel coding.

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