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Journals >
Acta Optica Sinica >
Volume 39 >
Issue 4 >
Page 0415006 > Article
Acta Optica Sinica
Vol. 39, Issue 4, 0415006 (2019)
Light-Weight Object Detection Networks for Embedded Platform
Jiahua Cui
1
, Yunzhou Zhang
1、2、*
, Zheng Wang
1
, and Jiwei Liu
1
Author Affiliations
1
College of Information Science & Engineering, Northeastern University, Shenyang, Liaoning 110819, China;
2
Faculty of Robot Science and Engineering, Northeastern University, Shenyang, Liaoning 110819, China
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DOI:
10.3788/AOS201939.0415006
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Jiahua Cui, Yunzhou Zhang, Zheng Wang, Jiwei Liu. Light-Weight Object Detection Networks for Embedded Platform[J]. Acta Optica Sinica, 2019, 39(4): 0415006
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Fig. 1.
Flow chart of MTYOLO object detection algorithm
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Fig. 2.
Basic structure of depth separable convolution network. (a) Standard convolution filter; (b) depthwise convolution filter; (c) pointwise convolution filter
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Fig. 3.
Architecture of MTYOLO network
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Fig. 4.
Comparison of proposed algorithm and Tiny-Yolo algorithm. (a) Input image; (b) Tiny-Yolo algorithm; (c) proposed algorithm
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Conv2
Conv3
Conv4
Conv5
Conv6
Conv7
Conv10
P
mAP
×
×
×
×
×
×
×
54.2
×
×
×
√
√
×
×
56.7
×
×
√
√
√
×
×
57.6
×
√
√
√
√
×
×
58.4
√
√
√
√
√
×
×
58.2
×
√
√
√
√
√
×
58.9
×
√
√
√
√
√
√
59.3
Table 1.
Comparison of detection accuracy after merging different layers
BN layer
P
mAP
Speed /(frame·s
-1
)
×
52.7
31
√
56.2
29
Table 2.
Comparison of experimental results of MTYOLO with BN layer
Model
Speed /(frame·s
-1
)
Model size /MB
Yolo-v2
3
193
Tiny-Yolo
18
61
Using feature
map fusion
15
63
Using pointwise
23
50
Using depthwise
29
41
Table 3.
Comparison of experimental results of different network architectures
Method
P
mAP
FPS
aero
bike
bird
boat
bottle
bus
car
cat
chair
Tiny-Yolo
54.2
18
57.4
67.5
44.9
34.8
20.4
67.5
62.9
67.4
32.0
MTYOLO
57.25
29
65.3
74.2
49.6
39.1
30.2
69.8
65.8
69.5
34.2
Method
cow
table
dog
horse
mbike
person
plant
sheep
sofa
train
TV
Tiny-Yolo
53.7
58.1
61.6
70.5
69.1
58.0
27.8
52.8
51.1
68.5
57.4
MTYOLO
56.2
59.3
63.5
72.1
70.2
59.2
29.8
55.1
53.6
69.1
59.2
Table 4.
Comparison of detection results on VOC dataset by proposed algorithm and Tiny-Yolo
Abstract
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Jiahua Cui, Yunzhou Zhang, Zheng Wang, Jiwei Liu. Light-Weight Object Detection Networks for Embedded Platform[J]. Acta Optica Sinica, 2019, 39(4): 0415006
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Paper Information
Category: Machine Vision
Received: Oct. 22, 2018
Accepted: Dec. 25, 2018
Published Online: Apr. 8, 2019
The Author Email:
DOI:
10.3788/AOS201939.0415006
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