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CVPR
2007
IEEE
14 years 12 months ago
Principal Curvature-Based Region Detector for Object Recognition
This paper presents a new structure-based interest region detector called Principal Curvature-Based Regions (PCBR) which we use for object class recognition. The PCBR interest ope...
Hongli Deng, Wei Zhang, Eric N. Mortensen, Thomas ...
ICDE
2007
IEEE
112views Database» more  ICDE 2007»
14 years 11 months ago
Indexing Point Triples Via Triangle Geometry
Database search for images containing icons with specific mutual spatial relationships can be facilitated by an appropriately structured index. For the case of images containing s...
Charles Ben Cranston, Hanan Samet
CCS
2007
ACM
14 years 4 months ago
Do background images improve "draw a secret" graphical passwords?
Draw a secret (DAS) is a representative graphical password scheme. Rigorous theoretical analysis suggests that DAS supports an overall password space larger than that of the ubiqu...
Paul Dunphy, Jeff Yan
CIT
2007
Springer
14 years 4 months ago
Performance Assessment of Some Clustering Algorithms Based on a Fuzzy Granulation-Degranulation Criterion
In this paper a fuzzy quantization dequantization criterion is used to propose an evaluation technique to determine the appropriate clustering algorithm suitable for a particular ...
Sriparna Saha, Sanghamitra Bandyopadhyay
BVAI
2005
Springer
14 years 3 months ago
Multi-scale Keypoints in V1 and Face Detection
Abstract. End-stopped cells in cortical area V1, which combine outputs of complex cells tuned to different orientations, serve to detect line and edge crossings (junctions) and po...
João Rodrigues, J. M. Hans du Buf