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A probabilistic-based CU size pre-determination method for parallel processing of HEVC encoders
2015 IEEE International Conference on Consumer Electronics (ICCE)
Year: 2015 | Conference Paper |
The advent of the state-of-the-art video coding standard, High Efficiency Video Coding (HEVC) is expected to bring great changes to relevant fields of broadcasting, storage and communications. HEVC achieves higher coding gains compared to its previous video coding standards in terms of rate-distortion (R-D) performance with various improved coding tools. This leads to heavy computational complexit...Show More
Edge-based fast mode decision algorithm for intra prediction in HEVC
2014 IEEE International Conference on Consumer Electronics (ICCE)
Year: 2014 | Conference Paper |
Cited by: Papers (27)
High efficiency video coding (HEVC) appears due to the demand on high compression video coding beyond H.264/AVC in ultra-high definition (UHD) videos, and it brings high computational complexity with a variety of state of the art coding tools. As for intra prediction, HEVC has 35 prediction modes while H.264/AVC has 9 intra modes. To exploit the spatial correlation, we adopt an edge detection meth...Show More
Lossless embedded compression algorithm with context-based error compensation for video application
2012 IEEE 16th International Symposium on Consumer Electronics
Year: 2012 | Conference Paper |
Cited by: Papers (2)
With the increase of image resolution in video application, the memory bandwidth is a critical problem in video coding. An embedded compression algorithm is a technique that can compress the frame data when stored in memory. It is possible to reduce memory requirements. In this paper, we propose a lossless embedded compression algorithm with context-based error compensation to reduce the memory ba...Show More
Embedded compression algorithm using error-aware quantization and hybrid DPCM/BTC coding
2011 IEEE International Conference on Multimedia and Expo
Year: 2011 | Conference Paper |
An embedded compression (EC) is a technique that can compress on-the-fly the frame data when stored in video memory; it has been used to effectively reduce the system memory requirements. In this paper, we propose a lossy EC algorithm that uses hybrid coding scheme of feedforward DPCM and modified four-level BTC, which aims at the target specification of the 4 × 2 block-wise random access at 50 % ...Show More
Adaptive quantization scheme using dual-interleaved scalar quantizers for image/video coding
2011 IEEE International Conference on Consumer Electronics (ICCE)
Year: 2011 | Conference Paper |
Proposed is an adaptive scalar quantization scheme. The main advantage is to improve coding performance by suppressing the sum of absolute quantization errors (SAQE) under half the maximal SAQE, assuming that the errors have uniform distribution. This fact was proven and demonstrated, integrated into H.264.Show More
Hardware Dedicated Integer-Pel Motion Estimator for High Definition H.264/AVC Video Encoder
2008 Digest of Technical Papers - International Conference on Consumer Electronics
Year: 2008 | Conference Paper |
This paper presents a hardware oriented algorithm and its architecture of an integer-pel motion estimation for H.264/AVC. Proposed motion estimation architecture has a capability of real-time processing for 1080@60P with 2 reference frames and a search range of [-2048, +2047] in the horizontal and [-64, +63] in the vertical direction at the operating frequency of 266 MHz.Show More
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