Low complexity content-aware video retargeting for mobile devices
In this paper, a low complexity content-aware video retargeting method suitable for mobile multimedia devices is presented. We propose two types of energy functions for intra- and inter-frames to obtain the pixel significance in the video frames. Since the energy functions are defined using only the...
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| Veröffentlicht in: | IEEE transactions on consumer electronics 2010-02, Vol.56 (1), p.182-189 |
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| container_title | IEEE transactions on consumer electronics |
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| creator | Nam, Hyeong-Min Byun, Keun-Yung Jeong, Jae-Yun Choi, Kang-Sun Ko, Sung-Jea |
| description | In this paper, a low complexity content-aware video retargeting method suitable for mobile multimedia devices is presented. We propose two types of energy functions for intra- and inter-frames to obtain the pixel significance in the video frames. Since the energy functions are defined using only the compressed-domain information such as discrete cosine transform (DCT) coefficients and motion vectors (MVs), instead of fully decoded pixel domain information, the spatiotemporal energy map can be constructed without excessive computations. Based on the proposed energy function, we also introduce a fast seam carving method for mobile devices that carves out the one-dimensional (1-D) seams without annoying artifacts such as jitter and flicker, taking into account the object motion based on MVs. Experimental results show that the proposed video retargeting scheme can achieve high subjective quality with significantly reduced computational loads as compared with existing methods. |
| doi_str_mv | 10.1109/TCE.2010.5439143 |
| format | Article |
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We propose two types of energy functions for intra- and inter-frames to obtain the pixel significance in the video frames. Since the energy functions are defined using only the compressed-domain information such as discrete cosine transform (DCT) coefficients and motion vectors (MVs), instead of fully decoded pixel domain information, the spatiotemporal energy map can be constructed without excessive computations. Based on the proposed energy function, we also introduce a fast seam carving method for mobile devices that carves out the one-dimensional (1-D) seams without annoying artifacts such as jitter and flicker, taking into account the object motion based on MVs. Experimental results show that the proposed video retargeting scheme can achieve high subjective quality with significantly reduced computational loads as compared with existing methods.</description><identifier>ISSN: 0098-3063</identifier><identifier>EISSN: 1558-4127</identifier><identifier>DOI: 10.1109/TCE.2010.5439143</identifier><identifier>CODEN: ITCEDA</identifier><language>eng</language><publisher>New York: IEEE</publisher><subject>comdomain processing ; Complexity ; Computation ; Computer interfaces ; content-aware ; Decoding ; Discrete cosine transforms ; Energy use ; Hardware ; Jitter ; low complexity ; Mathematical analysis ; Mathematical models ; Mobile communication systems ; Mobile computing ; Pixels ; seam carvingpressed ; Seams ; Spatiotemporal phenomena ; Technological innovation ; Video compression ; Video retargeting</subject><ispartof>IEEE transactions on consumer electronics, 2010-02, Vol.56 (1), p.182-189</ispartof><rights>Copyright The Institute of Electrical and Electronics Engineers, Inc. (IEEE) Feb 2010</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c323t-5a2f89b0ac10ed5c41a1a64af97a2b79d0ded418848745f6e2eb795b84bd595c3</citedby><cites>FETCH-LOGICAL-c323t-5a2f89b0ac10ed5c41a1a64af97a2b79d0ded418848745f6e2eb795b84bd595c3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://ieeexplore.ieee.org/document/5439143$$EHTML$$P50$$Gieee$$H</linktohtml><link.rule.ids>314,780,784,796,27923,27924,54757</link.rule.ids><linktorsrc>$$Uhttps://ieeexplore.ieee.org/document/5439143$$EView_record_in_IEEE$$FView_record_in_$$GIEEE</linktorsrc></links><search><creatorcontrib>Nam, Hyeong-Min</creatorcontrib><creatorcontrib>Byun, Keun-Yung</creatorcontrib><creatorcontrib>Jeong, Jae-Yun</creatorcontrib><creatorcontrib>Choi, Kang-Sun</creatorcontrib><creatorcontrib>Ko, Sung-Jea</creatorcontrib><title>Low complexity content-aware video retargeting for mobile devices</title><title>IEEE transactions on consumer electronics</title><addtitle>T-CE</addtitle><description>In this paper, a low complexity content-aware video retargeting method suitable for mobile multimedia devices is presented. We propose two types of energy functions for intra- and inter-frames to obtain the pixel significance in the video frames. Since the energy functions are defined using only the compressed-domain information such as discrete cosine transform (DCT) coefficients and motion vectors (MVs), instead of fully decoded pixel domain information, the spatiotemporal energy map can be constructed without excessive computations. Based on the proposed energy function, we also introduce a fast seam carving method for mobile devices that carves out the one-dimensional (1-D) seams without annoying artifacts such as jitter and flicker, taking into account the object motion based on MVs. Experimental results show that the proposed video retargeting scheme can achieve high subjective quality with significantly reduced computational loads as compared with existing methods.</description><subject>comdomain processing</subject><subject>Complexity</subject><subject>Computation</subject><subject>Computer interfaces</subject><subject>content-aware</subject><subject>Decoding</subject><subject>Discrete cosine transforms</subject><subject>Energy use</subject><subject>Hardware</subject><subject>Jitter</subject><subject>low complexity</subject><subject>Mathematical analysis</subject><subject>Mathematical models</subject><subject>Mobile communication systems</subject><subject>Mobile computing</subject><subject>Pixels</subject><subject>seam carvingpressed</subject><subject>Seams</subject><subject>Spatiotemporal phenomena</subject><subject>Technological innovation</subject><subject>Video compression</subject><subject>Video retargeting</subject><issn>0098-3063</issn><issn>1558-4127</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2010</creationdate><recordtype>article</recordtype><sourceid>RIE</sourceid><recordid>eNpdkDtPwzAQgC0EEqWwI7FEYmBK8TOxx6oqD6kSS5ktx7lUrpK42GlL_z2uWhiY7vXd6fQhdE_whBCsnpez-YTiVAnOFOHsAo2IEDLnhJaXaISxkjnDBbtGNzGuMSZcUDlC04XfZ9Z3mxa-3XBIaT9AP-RmbwJkO1eDzwIMJqxgcP0qa3zIOl-5FrIads5CvEVXjWkj3J3jGH2-zJezt3zx8fo-my5yyygbcmFoI1WFjSUYamE5McQU3DSqNLQqVY1rqDmRksuSi6YACqkrKsmrWihh2Rg9ne5ugv_aQhx056KFtjU9-G3UihaMUFmUiXz8R679NvTpOU0wLUmBaUEThU-UDT7GAI3eBNeZcEiQPirVSak-KtVnpWnl4bTiAOAP_53-APMTcZY</recordid><startdate>201002</startdate><enddate>201002</enddate><creator>Nam, Hyeong-Min</creator><creator>Byun, Keun-Yung</creator><creator>Jeong, Jae-Yun</creator><creator>Choi, Kang-Sun</creator><creator>Ko, Sung-Jea</creator><general>IEEE</general><general>The Institute of Electrical and Electronics Engineers, Inc. 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We propose two types of energy functions for intra- and inter-frames to obtain the pixel significance in the video frames. Since the energy functions are defined using only the compressed-domain information such as discrete cosine transform (DCT) coefficients and motion vectors (MVs), instead of fully decoded pixel domain information, the spatiotemporal energy map can be constructed without excessive computations. Based on the proposed energy function, we also introduce a fast seam carving method for mobile devices that carves out the one-dimensional (1-D) seams without annoying artifacts such as jitter and flicker, taking into account the object motion based on MVs. Experimental results show that the proposed video retargeting scheme can achieve high subjective quality with significantly reduced computational loads as compared with existing methods.</abstract><cop>New York</cop><pub>IEEE</pub><doi>10.1109/TCE.2010.5439143</doi><tpages>8</tpages></addata></record> |
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| source | IEEE Electronic Library (IEL) |
| subjects | comdomain processing Complexity Computation Computer interfaces content-aware Decoding Discrete cosine transforms Energy use Hardware Jitter low complexity Mathematical analysis Mathematical models Mobile communication systems Mobile computing Pixels seam carvingpressed Seams Spatiotemporal phenomena Technological innovation Video compression Video retargeting |
| title | Low complexity content-aware video retargeting for mobile devices |
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