Recent Advances on HEVC Inter-frame Coding: From Optimization to Implementation and Beyond
Yongfei Zhang, Chao Zhang, Rui Fan, Siwei Ma, Zhibo Chen, C.-C. Jay, Kuo

TL;DR
This paper reviews recent advances in HEVC inter-frame coding, focusing on optimization, hardware implementation, and new techniques to improve efficiency and reduce complexity for real-time applications.
Contribution
It provides the first comprehensive review of state-of-the-art HEVC inter-frame coding techniques, comparing algorithms across multiple aspects and guiding future research and development.
Findings
Various algorithms improve coding efficiency and reduce complexity.
Hardware implementations enable real-time HEVC encoding.
Advanced techniques enhance inter-frame coding performance.
Abstract
High Efficiency Video Coding (HEVC) has doubled the video compression ratio with equivalent subjective quality as compared to its predecessor H.264/AVC. The significant coding efficiency improvement is attributed to many new techniques. Inter-frame coding is one of the most powerful yet complicated techniques therein and has posed high computational burden thus main obstacle in HEVC-based real-time applications. Recently, plenty of research has been done to optimize the inter-frame coding, either to reduce the complexity for real-time applications, or to further enhance the encoding efficiency. In this paper, we provide a comprehensive review of the state-of-the-art techniques for HEVC inter-frame coding from three aspects, namely fast inter coding solutions, implementation on different hardware platforms as well as advanced inter coding techniques. More specifically, different…
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