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Author:

Yu, Naigong (Yu, Naigong.) (Scholars:于乃功) | Jiao, Panna (Jiao, Panna.)

Indexed by:

CPCI-S

Abstract:

Feature extraction, as one of the two important components in handwritten digit recognition systems, is still a key research area. Principal Component Analysis (PCA) is an efficient linear feature extraction algorithm and is widely used in handwritten digit recognition system. However, it can hardly deal with the pattern with complex nonlinear variations, such as the writing interrupt, noise pollution and so on. This paper proposes an efficient handwritten digit recognition method based on distance Kernel PCA (KPCA). First, the initial input data is mapped into a higher-dimensional space with the distance kernel and describes the whole features as much as possible. Then, PCA method is used to extract the Principal Component from the kernel matrix. Last, SVM acts as the classifier to make decision. To test and evaluate the proposed method performance, a series of studies has been conducted on the MINST database. Compared with the other models, the approach proposed shows a better recognition rate and is more satisfying.

Keyword:

Author Community:

  • [ 1 ] [Yu, Naigong]Beijing Univ Technol, Dept Control Sci & Engn, Chaoyang Dist 100022, Peoples R China
  • [ 2 ] [Jiao, Panna]Beijing Univ Technol, Dept Control Sci & Engn, Chaoyang Dist 100022, Peoples R China

Reprint Author's Address:

  • 于乃功

    [Yu, Naigong]Beijing Univ Technol, Dept Control Sci & Engn, Chaoyang Dist 100022, Peoples R China

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Source :

2012 IEEE FIFTH INTERNATIONAL CONFERENCE ON ADVANCED COMPUTATIONAL INTELLIGENCE (ICACI)

Year: 2012

Page: 689-693

Language: English

Cited Count:

WoS CC Cited Count: 3

SCOPUS Cited Count:

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 8

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