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Cited by 175

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Discriminant Embedding for Local Image Descriptors

Hua, Gang, Brown, Matthew, Winder, Simon·2007·2007 IEEE 11th International Conference on Computer Vision

Abstract

Invariant feature descriptors such as SIFT and GLOH have been demonstrated to be very robust for image matching and visual recognition. However, such descriptors are generally parameterised in very high dimensional spaces e.g. 128 dimensions in the case of SIFT. This limits the performance of feature matching techniques in terms of speed and scalability. Furthermore, these descriptors have traditionally been carefully hand crafted by manually tuning many parameters. In this paper, we tackle both of these problems by formulating descriptor design as a non- parametric dimensionality reduction problem. In contrast to previous approaches that use only the global statistics of the inputs, we adopt a discriminative approach. Starting from a large training set of labelled match/non-match pairs, we pursue lower dimensional embeddings that are optimised for their discriminative power. Extensive comparative experiments demonstrate that we can exceed the performance of the current state of the art techniques such as SIFT with far fewer dimensions, and with virtually no parameters to be tuned by hand.

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Metadata

Authors
Hua, G., Brown, M., & Winder, S.
Venue
2007 IEEE 11th International Conference on Computer Vision
Publisher
IEEE
Published
2007
Pages
1-8
OpenAlex
W2170536761
Cited by
175
References
4
FWCI
9.85
Type
conference paper
Language
en
Open access
closed

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CoChat. (2026). Citation check: Discriminant Embedding for Local Image Descriptors. https://app.cochat.ai/papers/10.1109/iccv.2007.4408857
The paper
Hua, G., Brown, M., & Winder, S. (2007). Discriminant Embedding for Local Image Descriptors. 2007 IEEE 11th International Conference on Computer Vision. https://doi.org/10.1109/iccv.2007.4408857

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