Please use this identifier to cite or link to this item:
http://hdl.handle.net/10397/65318
DC Field | Value | Language |
---|---|---|
dc.contributor | Department of Electronic and Information Engineering | - |
dc.creator | Zhang, H | - |
dc.creator | Fu, C | - |
dc.creator | Su, W | - |
dc.creator | Chan, Y | - |
dc.creator | Siu, W | - |
dc.date.accessioned | 2017-05-22T02:08:22Z | - |
dc.date.available | 2017-05-22T02:08:22Z | - |
dc.identifier.issn | 1009-5896 | - |
dc.identifier.uri | http://hdl.handle.net/10397/65318 | - |
dc.language.iso | zh | en_US |
dc.publisher | 中国科学院电子学研究所 | en_US |
dc.rights | © 2016 中国学术期刊电子杂志出版社。本内容的使用仅限于教育、科研之目的。 | en_US |
dc.rights | © 2016 China Academic Journal Electronic Publishing House. It is to be used strictly for educational and research purposes. | en_US |
dc.subject | 3D-HEVC | en_US |
dc.subject | Coding unit | en_US |
dc.subject | Corner Point (CP) detection | en_US |
dc.subject | Depth map | en_US |
dc.subject | Intra coding | en_US |
dc.title | Fast coding unit decision algorithm for depth intra coding in 3D-HEVC | en_US |
dc.type | Journal/Magazine Article | en_US |
dc.identifier.spage | 2523 | - |
dc.identifier.epage | 2530 | - |
dc.identifier.volume | 38 | - |
dc.identifier.issue | 10 | - |
dc.identifier.doi | 10.11999/JEIT151426 | - |
dcterms.abstract | 針對3維高性能視頻編碼(3D-HEVC)中深度圖像幀內編碼單元(Coding Unit, CU) 劃分復雜度高的問題, 該文提出一種基于角點和彩色圖像的自適應快速CU劃分算法。 首先利用角點算子, 并根據量化參數選取一定數目的角點,以此進行CU的預劃分; 然后聯合彩色圖像的CU劃分對預劃分的CU深度級進行調整;最后依據調整后的CU深度級,縮小當前CU的深度級范圍。實驗結果表明,與原始3D-HEVC的算法相比, 該文所提算法平均減少了約63%的編碼時間;與只基于彩色圖像的算法相比, 該文的算法減少了約13%的編碼時間, 同時降低了約3%的平均比特率,有效地提高了編碼效率。 | - |
dcterms.abstract | An efficient Coding Unit (CU) decision algorithm is proposed for depth intra coding, in which the depth level of CU is predicted by Corner-Point (CP) and the co-located texture CU. More specially, firstly, the CPs are obtained by corner detector in junction with the quantization parameter, which are further used to pre-allocate the depth level. After that, the refinement of pre-allocation depth level is performed by considering the block partition of the co-located texture. Finally, different depth search range is selected based on the final pre-allocation depth levels. Simulation results show that the proposed algorithm can provide about 63% time saving with maintaining coding performance compared with the original 3D-HEVC method. On the other hand, it can achieve about 13% time saving while the BD-rate 3% decreased over the CU decision method that only considers the texture information. | - |
dcterms.accessRights | open access | en_US |
dcterms.alternative | 3D-HEVC深度圖像幀內編碼單元劃分快速算法 | - |
dcterms.bibliographicCitation | 电子与信息学报 (Journal of electronics and information technology), 2016, v. 38, no. 10, p. 2523-2530 | - |
dcterms.isPartOf | 电子与信息学报 (Journal of electronics and information technology) | - |
dcterms.issued | 2016 | - |
dc.identifier.scopus | 2-s2.0-84991830735 | - |
dc.description.oa | Version of Record | en_US |
dc.identifier.FolderNumber | OA_IR/PIRA | en_US |
dc.description.pubStatus | Published | en_US |
Appears in Collections: | Journal/Magazine Article |
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File | Description | Size | Format | |
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Zhang_Fast_Coding_Unit.pdf | 931.94 kB | Adobe PDF | View/Open |
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