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Conference Paper: Affine-invariant shape matching and recognition under partial occlusion
| Title | Affine-invariant shape matching and recognition under partial occlusion |
|---|---|
| Authors | |
| Keywords | Affine-invariant matching Partial occlusion Planar curves Smith-waterman algorithm |
| Issue Date | 2010 |
| Publisher | I E E E. The Journal's web site is located at http://ieeexplore.ieee.org/xpl/conhome.jsp?punumber=1000349 |
| Citation | The 17th IEEE International Conference on Image Processing (ICIP 2010), Hong Kong, China, 26-29 September 2010. In Proceedings of 17th ICIP, 2010, p. 4605-4608 How to Cite? |
| Abstract | In this paper, a new approach for matching and recognizing affine-distorted planar shapes is proposed, which allows for partial occlusions. In our approach, each shape is divided into a sequence of ordered affine-invariant segments based on the properties of curvature scale space (CSS) shape descriptor. Then Smith-Waterman algorithm is applied for matching the pair of affine-invariant segment sequences. Finally the point correspondences along the two shapes are obtained and the affine transform is estimated accordingly. Experiments show that our algorithm is effective for matching and recognizing shapes which are distorted by affine transforms, including translation, rotation, scaling, and shearing. Furthermore, it is capable of dealing with the case where one of the shapes or both shapes are partially occluded. © 2010 IEEE. |
| Persistent Identifier | http://hdl.handle.net/10722/136450 |
| ISSN | 2020 SCImago Journal Rankings: 0.315 |
| ISI Accession Number ID | |
| References |
| DC Field | Value | Language |
|---|---|---|
| dc.contributor.author | Mai, F | en_HK |
| dc.contributor.author | Chang, CQ | en_HK |
| dc.contributor.author | Hung, YS | en_HK |
| dc.date.accessioned | 2011-07-27T02:16:25Z | - |
| dc.date.available | 2011-07-27T02:16:25Z | - |
| dc.date.issued | 2010 | en_HK |
| dc.identifier.citation | The 17th IEEE International Conference on Image Processing (ICIP 2010), Hong Kong, China, 26-29 September 2010. In Proceedings of 17th ICIP, 2010, p. 4605-4608 | en_HK |
| dc.identifier.issn | 1522-4880 | en_HK |
| dc.identifier.uri | http://hdl.handle.net/10722/136450 | - |
| dc.description.abstract | In this paper, a new approach for matching and recognizing affine-distorted planar shapes is proposed, which allows for partial occlusions. In our approach, each shape is divided into a sequence of ordered affine-invariant segments based on the properties of curvature scale space (CSS) shape descriptor. Then Smith-Waterman algorithm is applied for matching the pair of affine-invariant segment sequences. Finally the point correspondences along the two shapes are obtained and the affine transform is estimated accordingly. Experiments show that our algorithm is effective for matching and recognizing shapes which are distorted by affine transforms, including translation, rotation, scaling, and shearing. Furthermore, it is capable of dealing with the case where one of the shapes or both shapes are partially occluded. © 2010 IEEE. | en_HK |
| dc.language | eng | en_US |
| dc.publisher | I E E E. The Journal's web site is located at http://ieeexplore.ieee.org/xpl/conhome.jsp?punumber=1000349 | en_HK |
| dc.relation.ispartof | Proceedings - International Conference on Image Processing, ICIP | en_HK |
| dc.rights | ©2010 IEEE. Personal use of this material is permitted. However, permission to reprint/republish this material for advertising or promotional purposes or for creating new collective works for resale or redistribution to servers or lists, or to reuse any copyrighted component of this work in other works must be obtained from the IEEE. | - |
| dc.subject | Affine-invariant matching | en_HK |
| dc.subject | Partial occlusion | en_HK |
| dc.subject | Planar curves | en_HK |
| dc.subject | Smith-waterman algorithm | en_HK |
| dc.title | Affine-invariant shape matching and recognition under partial occlusion | en_HK |
| dc.type | Conference_Paper | en_HK |
| dc.identifier.openurl | http://library.hku.hk:4550/resserv?sid=HKU:IR&issn=1522-4880&volume=&spage=4605&epage=4608&date=2010&atitle=Affine-invariant+shape+matching+and+recognition+under+partial+occlusion | - |
| dc.identifier.email | Chang, CQ: cqchang@eee.hku.hk | en_HK |
| dc.identifier.email | Hung, YS: yshung@hkucc.hku.hk | en_HK |
| dc.identifier.authority | Chang, CQ=rp00095 | en_HK |
| dc.identifier.authority | Hung, YS=rp00220 | en_HK |
| dc.description.nature | published_or_final_version | - |
| dc.identifier.doi | 10.1109/ICIP.2010.5651645 | en_HK |
| dc.identifier.scopus | eid_2-s2.0-78651087654 | en_HK |
| dc.identifier.hkuros | 187902 | en_US |
| dc.relation.references | http://www.scopus.com/mlt/select.url?eid=2-s2.0-78651087654&selection=ref&src=s&origin=recordpage | en_HK |
| dc.identifier.spage | 4605 | en_HK |
| dc.identifier.epage | 4608 | en_HK |
| dc.identifier.isi | WOS:000287728004160 | - |
| dc.publisher.place | United States | en_HK |
| dc.description.other | The 17th IEEE International Conference on Image Processing (ICIP 2010), Hong Kong, China, 26-29 September 2010. In Proceedings of 17th ICIP, 2010, p. 4605-4608 | - |
| dc.identifier.scopusauthorid | Mai, F=12804393400 | en_HK |
| dc.identifier.scopusauthorid | Chang, CQ=7407033052 | en_HK |
| dc.identifier.scopusauthorid | Hung, YS=8091656200 | en_HK |
| dc.identifier.issnl | 1522-4880 | - |