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Design of an 8x8 Intra Prediction Module
Norwegian University of Science and Technology, Faculty of Information Technology, Mathematics and Electrical Engineering, Department of Electronics and Telecommunications.
2014 (English)MasteroppgaveStudent thesis
Abstract [en]

In this thesis, a proposed hardware architecture of an H.264/AVC 8 × 8 luminance intra prediction module is designed and realized in VHDL to be used on an FPGA. The module is a part of a MPEG-2 to H.264/AVC transcoder and its implementation is based on an existing design of a 4 × 4 luminance intra prediction module used in the same transcoder. Intra prediction is characterized by high data dependency between input video frames which makes it hard to achieve a high throughput. This is solved by processing 16 image samples in parallel and by implementing a partial pipeline to increase efficiency. The design is implemented and synthesized on the Kintex-7 XC7K325T board with a maximum clock frequency of 129.34 MHz, which gives a throughput of 456.32 Mpixels/s. This is enough to encode 2160p (4k UHD) video frames at 30 frames per second in real time.

Place, publisher, year, edition, pages
Institutt for elektronikk og telekommunikasjon , 2014. , 92 p.
URN: urn:nbn:no:ntnu:diva-26442Local ID: ntnudaim:11641OAI: diva2:747520
Available from: 2014-09-16 Created: 2014-09-16 Last updated: 2014-09-16Bibliographically approved

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