PR 2007 | Sciweavers

27

PR
2007

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13 years 12 months ago

In this paper, we propose a novel image denoising method by incorporating the dual-tree complex wavelets into the ordinary ridgelet transform. The approximate shift invariant prop...

Guangyi Chen, Balázs Kégl

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49

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PR
2007

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Fast and robust fuzzy c-means clustering algorithms incorporating local information for image segmentation

13 years 12 months ago

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— Fuzzy c-means (FCM) algorithms with spatial constraints (FCM_S) have been proven effective for image segmentation. However, they still have the following disadvantages: 1) Alth...

Weiling Cai, Songcan Chen, Daoqiang Zhang

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10

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PR
2007

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A novel edge detection method based on the maximizing objective function

13 years 12 months ago

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Chung-Chia Kang, Wen-June Wang

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11

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PR
2007

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A robust associative watermarking technique based on similarity diagrams

13 years 12 months ago

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Jau-Ji Shen, Po-Wei Hsu

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31

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PR
2007

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Optimizing resources in model selection for support vector machine

13 years 12 months ago

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Tuning SVM hyperparameters is an important step in achieving a high-performance learning machine. It is usually done by minimizing an estimate of generalization error based on the...

Mathias M. Adankon, Mohamed Cheriet

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40

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PR
2007

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Calculating geometric properties of three-dimensional objects from the spherical harmonic representation

13 years 12 months ago

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The volume, location of the centroid, and second order moments of a threedimensional star-shaped object are determined in terms of the spherical harmonic coeﬃcients of its bound...

Artemy Baxansky, Nahum Kiryati

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36

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PR
2007

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Weighted and robust learning of subspace representations

13 years 12 months ago

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A reliable system for visual learning and recognition should enable a selective treatment of individual parts of input data and should successfully deal with noise and occlusions....

Danijel Skocaj, Ales Leonardis, Horst Bischof

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25

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PR
2007

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The effect of imbalanced data sets on LDA: A theoretical and empirical analysis

13 years 12 months ago

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This paper demonstrates that the imbalanced data sets have a negative effect on the performance of LDA theoretically. This theoretical analysis is conﬁrmed by the experimental r...

Jigang Xie, ZhengDing Qiu

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37

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PR
2007

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Active learning for image retrieval with Co-SVM

13 years 12 months ago

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In relevance feedback algorithms, selective sampling is often used to reduce the cost of labeling and explore the unlabeled data. In this paper, we proposed an active learning alg...

Jian Cheng, Kongqiao Wang

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37

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PR
2007

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Fast and versatile algorithm for nearest neighbor search based on a lower bound tree

13 years 12 months ago