Type

Conference Proceedings

Authors

Alan F. Smeaton
Cathal Gurrin
Rami Albatal
Zhenxing Zhang

Subjects

Computer Science

Topics
search multimedia systems computational complexity low cost consistency information retrieval text retrieval image collections

Instance search with weak geometric correlation consistency (2016)

Abstract Finding object instances from large image collections is a challenging problem with many practical applications. Recent methods inspired by text retrieval achieved good results; however a re-ranking stage based on spatial verification is still required to boost performance. To improve the effectiveness of such instance retrieval systems while avoiding the computational complexity of a re-ranking stage, we explored the geometric correlations among local features and incorporate these correlations with each individual match to form a transformation consistency in rotation and scale space. This weak geometric correlation consistency can be used to effectively eliminate inconsistent feature matches and can be applied to all candidate images at a low computational cost. Experimental results on three standard evaluation benchmarks show that the proposed approach results in a substantial performance improvement compared with recently proposed methods.
Collections Ireland -> Dublin City University -> Publication Type = Conference or Workshop Item
Ireland -> Dublin City University -> Status = Published
Ireland -> Dublin City University -> Subject = Computer Science: Multimedia systems
Ireland -> Dublin City University -> Subject = Computer Science: Information retrieval
Ireland -> Dublin City University -> DCU Faculties and Centres = Research Initiatives and Centres: INSIGHT Centre for Data Analytics

Full list of authors on original publication

Alan F. Smeaton, Cathal Gurrin, Rami Albatal, Zhenxing Zhang

Experts in our system

1
Alan F. Smeaton
Dublin City University
Total Publications: 450
 
2
Cathal Gurrin
Dublin City University
Total Publications: 182
 
3
Rami Albatal
Dublin City University
Total Publications: 27
 
4
Zhenxing Zhang
Dublin City University
Total Publications: 11