Nonuniform Video Size Reduction for Moving Objects
Moving objects of interest (MOOIs) in surveillance videos are detected and encapsulated by bounding boxes. Since moving objects are defined by temporal activities through the consecutive video frames, it is necessary to examine a group of frames (GoF) to detect the moving objects. To do that, the tr...
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| Format: | Article |
| Language: | English |
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Wiley
2014-01-01
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| Series: | The Scientific World Journal |
| Online Access: | http://dx.doi.org/10.1155/2014/832871 |
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| _version_ | 1832555368171962368 |
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| author | Anh Vu Le Seung-Won Jung Chee Sun Won |
| author_facet | Anh Vu Le Seung-Won Jung Chee Sun Won |
| author_sort | Anh Vu Le |
| collection | DOAJ |
| description | Moving objects of interest (MOOIs) in surveillance videos are detected and encapsulated by bounding boxes. Since moving objects are defined by temporal activities through the consecutive video frames, it is necessary to examine a group of frames (GoF) to detect the moving objects. To do that, the traces of moving objects in the GoF are quantified by forming a spatiotemporal gradient map (STGM) through the GoF. Each pixel value in the STGM corresponds to the maximum temporal gradient of the spatial gradients at the same pixel location for all frames in the GoF. Therefore, the STGM highlights boundaries of the MOOI in the GoF and the optimal bounding box encapsulating the MOOI can be determined as the local areas with the peak average STGM energy. Once an MOOI and its bounding box are identified, the inside and outside of it can be treated differently for object-aware size reduction. Our optimal encapsulation method for the MOOI in the surveillance videos makes it possible to recognize the moving objects even after the low bitrate video compressions. |
| format | Article |
| id | doaj-art-f448c74ddc244803a9d5fb8919c1020e |
| institution | Kabale University |
| issn | 2356-6140 1537-744X |
| language | English |
| publishDate | 2014-01-01 |
| publisher | Wiley |
| record_format | Article |
| series | The Scientific World Journal |
| spelling | doaj-art-f448c74ddc244803a9d5fb8919c1020e2025-02-03T05:48:25ZengWileyThe Scientific World Journal2356-61401537-744X2014-01-01201410.1155/2014/832871832871Nonuniform Video Size Reduction for Moving ObjectsAnh Vu Le0Seung-Won Jung1Chee Sun Won2Department of Electrical and Electronic Engineering, Dongguk University-Seoul, Seoul 100-715, Republic of KoreaDepartment of Multimedia Engineering, Dongguk University-Seoul, Seoul 100-715, Republic of KoreaDepartment of Electrical and Electronic Engineering, Dongguk University-Seoul, Seoul 100-715, Republic of KoreaMoving objects of interest (MOOIs) in surveillance videos are detected and encapsulated by bounding boxes. Since moving objects are defined by temporal activities through the consecutive video frames, it is necessary to examine a group of frames (GoF) to detect the moving objects. To do that, the traces of moving objects in the GoF are quantified by forming a spatiotemporal gradient map (STGM) through the GoF. Each pixel value in the STGM corresponds to the maximum temporal gradient of the spatial gradients at the same pixel location for all frames in the GoF. Therefore, the STGM highlights boundaries of the MOOI in the GoF and the optimal bounding box encapsulating the MOOI can be determined as the local areas with the peak average STGM energy. Once an MOOI and its bounding box are identified, the inside and outside of it can be treated differently for object-aware size reduction. Our optimal encapsulation method for the MOOI in the surveillance videos makes it possible to recognize the moving objects even after the low bitrate video compressions.http://dx.doi.org/10.1155/2014/832871 |
| spellingShingle | Anh Vu Le Seung-Won Jung Chee Sun Won Nonuniform Video Size Reduction for Moving Objects The Scientific World Journal |
| title | Nonuniform Video Size Reduction for Moving Objects |
| title_full | Nonuniform Video Size Reduction for Moving Objects |
| title_fullStr | Nonuniform Video Size Reduction for Moving Objects |
| title_full_unstemmed | Nonuniform Video Size Reduction for Moving Objects |
| title_short | Nonuniform Video Size Reduction for Moving Objects |
| title_sort | nonuniform video size reduction for moving objects |
| url | http://dx.doi.org/10.1155/2014/832871 |
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