图像深度层次特征提取算法<sup>*</sup>

doi:10.16451/j.cnki.issn1003-6059.201702004

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Abstract Extracting the image features with strong representation is critical to complete different vision tasks. The traditional features only describe one aspect of the image information, and therefore their representation capability is limited. In this paper, deep hierarchical feature(DHF) extraction algorithm based on the convolutional neural networks(CNN) is proposed. The essential information hidden inside the image is effectively mined by abstractly expressing the image in different layers. Firstly, the feature maps of the image are created based on CNN, and those in the convolutional layers are selected to construct the hierarchical structure of the image. Then, the best layer combination is determined according to the matching experiment. The feature maps in the low layers are described by the information entropy, and the ones in high layers are described by averaging the pixels in specified region. the DHF with strong representative capability is ultimately constructed. The experiment demonstrates that the proposed DHF has evident advantages compared with the existing features, and it can complete the matching task with high efficiency.

Key words： Deep Hierarchical Feature(DHF) Convolutional Neural Network(CNN) Feature Maps Feature Representative Capability

Received: 21 September 2016

ZTFLH:

TP 391

Fund:Supported by National Natural Science Foundation of China(No.41201390), Project of Science and Technology Innovation of Henan Province(No.142101510005)

About author:: (LI Qin, born in 1990, Ph.D. candidate. His research interests include computer vision and deep learning.)(YOU Xiong, born in 1962, Ph.D., professor. His research interests include virtual geographic environment(VGE) and geographic information system(GIS).)(LI Ke(Corresponding author), born in 1977, Ph,D., associate professor. His research interests include image processing and computer vision.) (TANG Fen, born in 1991, Ph.D. candidate. His research interests include map design.)

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	LI Qin
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Cite this article:

LI Qin,YOU Xiong,LI Ke等. Deep Hierarchical Feature Extraction Algorithm[J]. , 2017, 30(2): 127-136.

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http://manu46.magtech.com.cn/Jweb_prai/EN/10.16451/j.cnki.issn1003-6059.201702004 OR http://manu46.magtech.com.cn/Jweb_prai/EN/Y2017/V30/I2/127

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