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Journals >
Laser & Optoelectronics Progress >
Volume 57 >
Issue 12 >
Page 121011 > Article
Laser & Optoelectronics Progress
Vol. 57, Issue 12, 121011 (2020)
Bilinear Residual Attention Networks for Fine-Grained Image Classification
Yang Wang and Libo Liu
*
Author Affiliations
School of Information Engineering, Ningxia University, Yinchuan, Ningxia 750021, China
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DOI:
10.3788/LOP57.121011
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Yang Wang, Libo Liu. Bilinear Residual Attention Networks for Fine-Grained Image Classification[J]. Laser & Optoelectronics Progress, 2020, 57(12): 121011
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Fig. 1.
Architecture of B-CNN model
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Fig. 2.
Schematic of bilinear feature combination
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Fig. 3.
Structure of residual unit
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Fig. 4.
Channel attention module
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Fig. 5.
Spatial attention module
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Fig. 6.
Residual attention structure of BRAN model
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Fig. 7.
Example of training data augmentation
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Fig. 8.
Visualization of different feature maps. (a) Original images; (b) B-CNN; (c) channel attention maps; (d) spatial attention maps
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Dataset
Class
Train
Test
Total
CUB-200-2011
200
5994
5794
11788
Stanford Dogs
120
12000
8580
20580
Stanford Cars
196
8144
8041
16185
Table 1.
Detailed statistics of three fine-grained image datasets
Approach
Backbone
Accuracy /%
B-CNN(baseline)
VGG-M+VGG-D
84.1
B-CNN(resnet×2)
ResNet-34×2
85.0
BRAN(cha. attention)
ResNet-34×2 + channel attention
86.2
BRAN(spa. attention)
ResNet-34×2 + spatial attention
85.5
BRAN(cha.& spa. attention)
ResNet-34×2 + cha. & spa. attention
87.2
Table 2.
Ablation experiment and analysis of proposed method on CUB-200-2011 dataset
Approach
Backbone
Accuracy /%
Birds
[
9
]
Dogs
[
10
]
Cars
[
11
]
Two-level attention
[
22
]
VGG19
77.9
-
-
NAC
[
23
]
VGG19
81.01
68.61
-
B-CNN
[
6
]
VGG-M+VGG-D
84.1
-
91.3
ST-CNN
[
24
]
Inception-v2×3
84.1
-
-
DVAN
[
25
]
VGG-16×3
79.0
81.5
87.1
RA-CNN
[
26
]
VGG-19×3
85.3
87.3
92.5
MA-CNN
[
19
]
VGG-19×3
86.5
-
92.8
MAMC
[
27
]
ResNet-101
86.5
85.2
93.0
BRAN
ResNet-34×2
87.2
89.2
92.5
Table 3.
Comparison with weakly-supervised methods in terms of classification accuracy
Abstract
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References (27)
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Yang Wang, Libo Liu. Bilinear Residual Attention Networks for Fine-Grained Image Classification[J]. Laser & Optoelectronics Progress, 2020, 57(12): 121011
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Paper Information
Category: Image Processing
Received: Aug. 19, 2019
Accepted: Nov. 2, 2019
Published Online: May. 30, 2020
The Author Email: Liu Libo (liulib@163.com)
DOI:
10.3788/LOP57.121011
Recommended Topics
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