123 search results - page 20 / 25 » OCR in a Hierarchical Feature Space |
AUSAI
2005
Springer
15 years 4 months ago
2005
Springer
Abstract. Text documents have sparse data spaces, and nearest neighbors may belong to different classes when using current existing proximity measures to describe the correlation ...
108
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ML
2006
ACM
14 years 10 months ago
2006
ACM
This paper addresses the problem of transductive learning of the kernel matrix from a probabilistic perspective. We define the kernel matrix as a Wishart process prior and construc...
IJPRAI
2002
14 years 10 months ago
2002
This paper presents a new approach for shape description and invariant recognition by geometric-normalization implemented by neural networks. The neural system consists of a shape...
97
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ICPR
2000
IEEE
15 years 11 months ago
2000
IEEE
This paper presents an algorithm, called the winnerupdate algorithm, for accelerating the nearest neighbor search. By constructing a hierarchical structure ,for each feature point...
118
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CIKM
2005
Springer
15 years 4 months ago
2005
Springer
We present data representations, distance measures and organizational structures for fast and efficient retrieval of similar shapes in image databases. Using the Hough Transform w...