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Constructing Deep Sparse Coding Network for image classification

delete2017-04-01
delete64
PRE
AI
S
Shizhou Zhang
J
Jinjun Wang *
X
Xiaoyu Tao
GONG YIHONG 封面图
GONG YIHONG (Yihong Gong)
N
Nanning Zheng
DOI:10.1016/j.patcog.2016.10.032delete
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摘要

摘要

En 中文
This paper introduces a deep model called Deep Sparse-Coding Network (DeepSCNet) to combine the advantages of Convolutional Neural Network (CNN) and sparse-coding techniques for image feature representation. DeepSCNet consists of four type of basic layers: The sparse-coding layer performs generalized linear coding for local patch within the receptive field by replacing the convolution operation in CNN into sparse-coding. The Pooling layer and the Normalization layer perform identical operations as that in CNN. And finally the Map reduction layer reduces CPU/memory consumption by reducing the number of feature maps before stacking with the following layers. These four type of layers can be easily stacked to construct a deep model for image feature learning. The paper further discusses the multi-scale, multi-locality extension to the basic DeepSCNet, and the overall approach is fully unsupervised. Compared to CNN, training DeepSCNet is relatively easier even with training set of moderate size. Experiments show that DeepSCNet can automatically discover highly discriminative feature directly from raw image pixels.
Keyword:
Sparse Coding
Deep Model
Multi-scale
Multi-locality
Image classification
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期刊

Pattern Recognition 封面图
Pattern Recognition
IF:
7.6
论文数:
1.3W
被引数:
4.5W

机构

X
xi'an jiaotong university
学者数:
9.3W
论文数: 6.7W
被引数: 75
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