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- research-articleJuly 2018
Fast adaptive motion estimation algorithm and its efficient VLSI system for high definition videos
Expert Systems with Applications: An International Journal (EXWA), Volume 101, Issue CPages 159–175https://doi.org/10.1016/j.eswa.2018.02.020Adaptive motion estimation algorithm and VLSI design that can process HD frames.The algorithm exploits the considerable correlation within neighboring macroblocks.VLSI design generates adaptive pattern and uses interleaved memory organization.Working at ...
- research-articleJanuary 2018
Adaptive Fractional-Pixel Motion Estimation Skipped Algorithm for Efficient HEVC Motion Estimation
ACM Transactions on Multimedia Computing, Communications, and Applications (TOMM), Volume 14, Issue 1Article No.: 12, Pages 1–19https://doi.org/10.1145/3159170High-Efficiency Video Coding (HEVC) efficiently addresses the storage and transmit problems of high-definition videos, especially for 4K videos. The variable-size Prediction Units (PUs)--based Motion Estimation (ME) contributes a significant compression ...
- research-articleAugust 2016
Efficient VLSI design of adaptive rood pattern search algorithm for motion estimation of high definition videos
Microprocessors & Microsystems (MSYS), Volume 45, Issue PAPages 105–114https://doi.org/10.1016/j.micpro.2016.04.003Block-based motion estimation plays a significant role in video codecs by exploiting and reducing the temporal redundancies that exist between consecutive frames in a video sequence. Adaptive Rood Pattern Search (ARPS) is one of the most popular fast ...
- articleAugust 2016
Fast motion estimation using priority-based inter-prediction mode decision method in high efficiency video coding
Journal of Real-Time Image Processing (SPJRTIP), Volume 12, Issue 2Pages 433–441https://doi.org/10.1007/s11554-015-0493-7The latest video coding standard, high efficiency video coding (HEVC), is developed to acquire a more efficient coding performance than the previous standard, H.264/AVC. To achieve this coding performance, elaborate coding tools were implemented in ...
- articleJanuary 2015
Hardware-friendly HEVC motion estimation: new algorithms and efficient VLSI designs targeting high definition videos
Analog Integrated Circuits and Signal Processing (KLU-ALOG), Volume 82, Issue 1Pages 135–146https://doi.org/10.1007/s10470-014-0342-9In this article the spread and iterative search (S&IS) and the low density and iterative search (LD&IS) motion estimation algorithms are presented. The proposed algorithms are hardware-friendly because they have a regular number of cycles to encode a ...
- articleOctober 2011
A neighborhood elimination approach for block matching in motion estimation
Image Communication (IMAG), Volume 26, Issue 8-9Pages 438–454https://doi.org/10.1016/j.image.2011.06.002A new algorithm has been proposed for reducing the number of search locations in block matching based motion estimation. This algorithm uses spatial correlation to eliminate neighboring blocks having low probability of being best match to the candidate ...
- ArticleApril 2010
A Multi-Pattern Search Algorithm for Block Motion Estimation in Video Coding
APWEB '10: Proceedings of the 2010 12th International Asia-Pacific Web ConferencePages 407–410https://doi.org/10.1109/APWeb.2010.74In this paper, we propose a novel multi-pattern based search technique, TCon search, for fast block matching motion estimation. It starts with small cross shaped and small triangular shaped patterns. Afterwards, based on the previous step optimal motion ...
- research-articleMay 2009
Two-bit transform based block motion estimation using second derivatives
IEEE Transactions on Consumer Electronics (ITOCE), Volume 55, Issue 2Pages 902–910https://doi.org/10.1109/TCE.2009.5174473Binary motion estimation algorithms reduce the computational complexity of motion estimation, but, sometimes generate an inaccurate motion vector. This paper proposes a novel two-bit representation, called twobit transform-second derivatives (2BT-SD) ...
- research-articleMay 2009
New fast full search algorithms using DCT coefficients
IEEE Transactions on Consumer Electronics (ITOCE), Volume 55, Issue 2Pages 845–849https://doi.org/10.1109/TCE.2009.5174464This paper presents new fast full search motion estimation (ME) algorithms using discrete cosine transform (DCT) coefficients as a gradient magnitude. The proposed algorithms use intra DCT coefficients to arrange the matching scan order. The proposed ...
- articleNovember 2008
New pixel-decimation patterns for block matching in motion estimation
Image Communication (IMAG), Volume 23, Issue 10Pages 725–738https://doi.org/10.1016/j.image.2008.08.004This paper presents a boundary-based approach towards pixel decimation with applications in block-matching algorithms (BMAs). The proposed approach is based on the observation that new objects usually enter macroblocks (MBs) through their boundaries. ...
- articleJune 2007
Fast multiresolution motion estimation algorithms for wavelet-based scalable video coding
Image Communication (IMAG), Volume 22, Issue 5Pages 448–465https://doi.org/10.1016/j.image.2007.03.001Motion estimation and compensation in wavelet domain have received much attention recently. To overcome the inefficiency of motion estimation in critically sampled wavelet domain, the low-band-shift (LBS) method and the complete-to-overcomplete discrete ...
