Bi-predictive motion estimation for HEVC on a graphics processing unit (GPU)
High Efficiency Video Coding (HEVC), the latest video compression standard, will play an important role in many multimedia applications in the foreseeable future. Its superior compression performance enables HEVC to be particularly suitable for high-definition videos in consumer electronics environm...
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| Veröffentlicht in: | IEEE transactions on consumer electronics 2014-11, Vol.60 (4), p.728-736 |
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| container_title | IEEE transactions on consumer electronics |
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| creator | Radicke, Stefan Hahn, Jens-Uwe Qi Wang Grecos, Christos |
| description | High Efficiency Video Coding (HEVC), the latest video compression standard, will play an important role in many multimedia applications in the foreseeable future. Its superior compression performance enables HEVC to be particularly suitable for high-definition videos in consumer electronics environments; however, it comes with the price of substantially high computational complexity. The HEVC encoding process, especially the Motion Estimation (ME), is very time consuming, which makes HEVC impractical for real-time applications at the moment. In this work, a hybrid encoding architecture with a set of algorithms is proposed, exploring a Graphics Processing Unit (GPU) to perform both uni-predictive and bi-predictive ME in a highly parallel manner. This reduces the complexity of the uni- and bipredictive ME on the Central Processing Unit (CPU) by up to 99% and 95% respectively, and brings significant overall time savings of up to 57.65% and 54.16% for the low delay P and the random access coding configurations respectively. The Rate-Distortion (RD) performance is only marginally affected in both cases. |
| doi_str_mv | 10.1109/TCE.2014.7027349 |
| format | Article |
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Its superior compression performance enables HEVC to be particularly suitable for high-definition videos in consumer electronics environments; however, it comes with the price of substantially high computational complexity. The HEVC encoding process, especially the Motion Estimation (ME), is very time consuming, which makes HEVC impractical for real-time applications at the moment. In this work, a hybrid encoding architecture with a set of algorithms is proposed, exploring a Graphics Processing Unit (GPU) to perform both uni-predictive and bi-predictive ME in a highly parallel manner. This reduces the complexity of the uni- and bipredictive ME on the Central Processing Unit (CPU) by up to 99% and 95% respectively, and brings significant overall time savings of up to 57.65% and 54.16% for the low delay P and the random access coding configurations respectively. The Rate-Distortion (RD) performance is only marginally affected in both cases.</description><subject>Bi-Predictive Motion Estimation (ME)</subject><subject>Complexity theory</subject><subject>Encoding</subject><subject>Graphics Processing Unit (GPU)</subject><subject>Graphics processing units</subject><subject>High Efficiency Video Coding (HEVC)</subject><subject>Instruction sets</subject><subject>Kernel</subject><subject>Prediction algorithms</subject><subject>Vectors</subject><subject>Video compression</subject><issn>0098-3063</issn><issn>1558-4127</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2014</creationdate><recordtype>article</recordtype><sourceid>RIE</sourceid><recordid>eNo9kM1LAzEQxYMoWKt3wUvAix62TpLdbHLUpbZCQQ-t15BNk5pid9dkW_C_N7XV0zyY9-bjh9A1gREhIB_m1XhEgeSjEmjJcnmCBqQoRJYTWp6iAYAUGQPOztFFjGtIzoKKAZo9-awLdulN73cWb9retw22sfcb_StdG_B0_F7hpDVeBd19eBNxF1pjY_TNCm8b3-O7ydvi_hKdOf0Z7dWxDtHieTyvptnsdfJSPc4yQyXps5pyzqgEp2unneDaMCsscGFcIVjtlnKpgVMBxOSCc10yy4ra5UK40jFi2RDdHuamK7626Vi1brehSSsV4SInogQhkwsOLhPaGIN1qgvpq_CtCKg9M5WYqT0zdWSWIjeHiLfW_tv_uj-b-2at</recordid><startdate>201411</startdate><enddate>201411</enddate><creator>Radicke, Stefan</creator><creator>Hahn, Jens-Uwe</creator><creator>Qi Wang</creator><creator>Grecos, Christos</creator><general>IEEE</general><general>The Institute of Electrical and Electronics Engineers, Inc. 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| source | IEEE Electronic Library (IEL) |
| subjects | Bi-Predictive Motion Estimation (ME) Complexity theory Encoding Graphics Processing Unit (GPU) Graphics processing units High Efficiency Video Coding (HEVC) Instruction sets Kernel Prediction algorithms Vectors Video compression |
| title | Bi-predictive motion estimation for HEVC on a graphics processing unit (GPU) |
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