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Content Provider | IEEE Xplore Digital Library |
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Author | Qi Li |
Copyright Year | 1992 |
Abstract | The imbalance oriented selection scheme was recently introduced to detect stable interest points in weakly or sparsely textured images. The scheme chooses image points whose one-pixel-wide directional intensity variations can be clustered into two imbalanced classes as candidates. An important property of imbalance oriented selection is that imbalanced points can be contiguous to others, i.e., imbalanced points have local geometry coherent property. In this paper, we propose general imbalance decided by multipixel-wide directional intensity variations. We give a theoretical analysis on a relation between imbalance and general imbalance. In terms of the local geometry coherent property of general imbalanced points, we propose a global-to-local appearance based matching scheme for imbalanced point correspondence. Last, we present an application of general imbalanced points to road sign detection, which demonstrates the good potential of general imbalanced points. |
Sponsorship | IEEE Signal Processing Society |
Page Count | 11 |
File Size | 1195832 |
Starting Page | 2536 |
Ending Page | 2546 |
File Format | |
ISSN | 10577149 |
Volume Number | 18 |
Issue Number | 11 |
Language | English |
Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
Publisher Date | 2009-11-01 |
Publisher Place | U.S.A. |
Access Restriction | Subscribed |
Rights Holder | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
Subject Keyword | Detectors Geometry Filtering Autocorrelation Filters Roads Object detection Object recognition Lighting Color interest points Appearance-based matching candidate selection |
Content Type | Text |
Resource Type | Article |
Subject | Computer Graphics and Computer-Aided Design Software |
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