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Directional Filtering for Sequential Image Analysis
Image sequences produced by, e.g., electro-optical sensors are being used increasingly for continuous quality monitoring and surveillance. This letter considers the important problem of multiframe change point detection of signals with unknown dynamics. We propose a new CUSUM-based (cumulative SUM)...
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| Published in: | IEEE signal processing letters 2008, Vol.15, p.902-905 |
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| Main Authors: | , , , , , , , |
| Format: | Article |
| Language: | English |
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| cited_by | cdi_FETCH-LOGICAL-c290t-eb68155c8809718d765c0a92dc5d25735968b41de9bfa4febe777a5ef3a9704d3 |
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| cites | cdi_FETCH-LOGICAL-c290t-eb68155c8809718d765c0a92dc5d25735968b41de9bfa4febe777a5ef3a9704d3 |
| container_end_page | 905 |
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| container_start_page | 902 |
| container_title | IEEE signal processing letters |
| container_volume | 15 |
| creator | Vihonen, J. Jylha, J. Ala-Kleemola, T. Ruotsalainen, M. Kauppila, J. Huotilainen, T. Rauhamaa, J. Visa, A. |
| description | Image sequences produced by, e.g., electro-optical sensors are being used increasingly for continuous quality monitoring and surveillance. This letter considers the important problem of multiframe change point detection of signals with unknown dynamics. We propose a new CUSUM-based (cumulative SUM) detector for detecting noise-obscured signals in a sequence of frames. Our sequential detector adopts directional filtering, a search philosophy of interesting pixels, of state-of-the-art detector that employs dynamic programming (DP) for so-called track-before-detect (TBD) processing. In case of a persistent change, a detailed comparison reveals our CUSUM-based detector superior to the DP-based TBD detector. |
| doi_str_mv | 10.1109/LSP.2008.2007616 |
| format | article |
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This letter considers the important problem of multiframe change point detection of signals with unknown dynamics. We propose a new CUSUM-based (cumulative SUM) detector for detecting noise-obscured signals in a sequence of frames. Our sequential detector adopts directional filtering, a search philosophy of interesting pixels, of state-of-the-art detector that employs dynamic programming (DP) for so-called track-before-detect (TBD) processing. 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This letter considers the important problem of multiframe change point detection of signals with unknown dynamics. We propose a new CUSUM-based (cumulative SUM) detector for detecting noise-obscured signals in a sequence of frames. Our sequential detector adopts directional filtering, a search philosophy of interesting pixels, of state-of-the-art detector that employs dynamic programming (DP) for so-called track-before-detect (TBD) processing. In case of a persistent change, a detailed comparison reveals our CUSUM-based detector superior to the DP-based TBD detector.</description><subject>Detectors</subject><subject>Dynamic programming</subject><subject>Electrooptic devices</subject><subject>Filtering</subject><subject>Image analysis</subject><subject>Image sensors</subject><subject>Image sequence analysis</subject><subject>Image sequences</subject><subject>Monitoring</subject><subject>sequential detection</subject><subject>Signal detection</subject><subject>Surveillance</subject><issn>1070-9908</issn><issn>1558-2361</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2008</creationdate><recordtype>article</recordtype><recordid>eNo9kE1Lw0AQhhdRsFbvgpfgPXU2yX4dS7VaCChUz8tmMylb0qTupof-ezekeJkZmGeGh5eQRwoLSkG9lNuvRQYgxyI45VdkRhmTaZZzeh1nEJAqBfKW3IWwh0hSyWYkf3Ue7eD6zrTJ2rUDetftkqb3yRZ_T9gNLi42B7PDZBmZc3Dhntw0pg34cOlz8rN--159pOXn-2a1LFObKRhSrLiMClZKUILKWnBmwaistqzOmMiZ4rIqaI2qakzRYIVCCMOwyY0SUNT5nDxPf4--jyph0Pv-5KNE0JLnTBScFxGCCbK-D8Fjo4_eHYw_awp6TEbHZPSYjL4kE0-ephOHiP94wRWFqPUHgypeFw</recordid><startdate>2008</startdate><enddate>2008</enddate><creator>Vihonen, J.</creator><creator>Jylha, J.</creator><creator>Ala-Kleemola, T.</creator><creator>Ruotsalainen, M.</creator><creator>Kauppila, J.</creator><creator>Huotilainen, T.</creator><creator>Rauhamaa, J.</creator><creator>Visa, A.</creator><general>IEEE</general><general>The Institute of Electrical and Electronics Engineers, Inc. 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This letter considers the important problem of multiframe change point detection of signals with unknown dynamics. We propose a new CUSUM-based (cumulative SUM) detector for detecting noise-obscured signals in a sequence of frames. Our sequential detector adopts directional filtering, a search philosophy of interesting pixels, of state-of-the-art detector that employs dynamic programming (DP) for so-called track-before-detect (TBD) processing. In case of a persistent change, a detailed comparison reveals our CUSUM-based detector superior to the DP-based TBD detector.</abstract><cop>New York</cop><pub>IEEE</pub><doi>10.1109/LSP.2008.2007616</doi><tpages>4</tpages></addata></record> |
| fulltext | fulltext |
| identifier | ISSN: 1070-9908 |
| ispartof | IEEE signal processing letters, 2008, Vol.15, p.902-905 |
| issn | 1070-9908 1558-2361 |
| language | eng |
| recordid | cdi_ieee_primary_4691057 |
| source | IEEE Electronic Library (IEL) Journals |
| subjects | Detectors Dynamic programming Electrooptic devices Filtering Image analysis Image sensors Image sequence analysis Image sequences Monitoring sequential detection Signal detection Surveillance |
| title | Directional Filtering for Sequential Image Analysis |
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