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author:

吴建耀 (吴建耀.) [1] | 程树英 (程树英.) [2] | 郑茜颖 (郑茜颖.) [3]

Indexed by:

PKU

Abstract:

针对DSOD目标检测算法对小目标检测能力较弱的问题,提出在DSOD中引入RFB_a网络模块和Atrous卷积层予以改进。首先,该算法将DSOD网络的第二个转接层产生的特征图输入到RFB_a网络模块中,经过RFB_a网络不同采样步长的Atrous卷积提取具有不同感受野的特征,为后续检测小目标步骤提供所需特征;其次,为了增加特征图的语义信息,在第二个无池化转接层后加入采样步长为6的Atrous卷积层;最后,在损失函数中加入IOG惩罚项,防止在预测密集的同类型目标时出现同类预测框重叠,从而避免在NMS后处理时出现漏检。实验表明,该算法相对于原DSOD算法具有更高的检测精度,提高了对小目标的检测能力,...

Keyword:

Atrous卷积层 DSOD 卷积神经网络 目标检测

Community:

  • [ 1 ] 福州大学微纳器件与太阳能电池研究所

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Source :

半导体光电

Year: 2019

Issue: 03

Volume: 40

Page: 428-432,437

Cited Count:

WoS CC Cited Count:

SCOPUS Cited Count:

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 0

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