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Design and Implementation of a Data-Driven Parallel Video Codec

Xianwei Rong

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Abstract

Generic video codec systems are based upon standard compression algorithms such as MPEG4 and H.264. Since these standard algorithms include high-complexity computation like discrete cosine transform and motion estimation, they are generally implemented by hardware-based methods for real-time applications. However, such kinds of codec systems endure long-period implementation, expensive spending and poor flexibility because they are hardwired. This paper introduces a data-driven parallel video codec system that uses a low-complexity Adaptive Block Truncation-Coding (ABTC) scheme. The efficiency of the codec system introduced is confirmed using standard video sequences.

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What this paper is about

Generic video codec systems are based upon standard compression algorithms such as MPEG4 and H.264. Since these standard algorithms include high-complexity computation like discrete cosine transform and motion estimation, they are generally implemented by hardware-based methods for real-time applications. However, such kinds of codec systems endure long-period implementation, expensive spending and poor flexibility because they are hardwired. This paper introduces a data-driven parallel video codec system that uses a low-complexity Adaptive Block Truncation-Coding (ABTC) scheme. The efficiency of the codec system introduced is confirmed using standard video sequences.

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Available abstract

Generic video codec systems are based upon standard compression algorithms such as MPEG4 and H.264. Since these standard algorithms include high-complexity computation like discrete cosine transform and motion estimation, they are generally implemented by hardware-based methods for real-time applications. However, such kinds of codec systems endure long-period implementation, expensive spending and poor flexibility because they are hardwired. This paper introduces a data-driven parallel video codec system that uses a low-complexity Adaptive Block Truncation-Coding (ABTC) scheme. The efficiency of the codec system introduced is confirmed using standard video sequences.

Key concepts: Computer science, Codec, Discrete cosine transform, Data compression, Computer hardware, Adaptive Multi-Rate audio codec, Motion estimation, Block (permutation group theory)

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