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基于改进Deeplabv3+的烟雾区域分割识别算法 被引量:12

Smoke region segmentation recognition algorithm based on improved Deeplabv3+
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摘要 烟雾遮挡使基于图像的寻的制导系统目标识别困难,如何提高该类区域分割识别准确性、降低虚警率是一个亟待解决的课题。现有Deeplabv3+算法对烟雾分割时存在漏分割、错分割等问题,细节损失严重,整体分割精度低。本文提出基于改进Deeplabv3+模型的烟雾区域分割算法,创新异感受野融合的基于空洞卷积的金字塔构型(atrous spatial pyramid pooling,ASPP)结构,进一步扩大空洞卷积感受野,降低信息损失带来的不良影响;优化骨干网络,加入多尺度融合模块,降低网络参数量和计算量;引入通道注意力模块,强化对重点通道的特征学习能力,提高模型训练速度和分割精度。实验结果表明,改进Deeplabv3+模型在测试集中平均交并比为91.03%,分割效率为12.64帧/秒,分割效果远远优于传统模式识别算法;与Deeplabv3+基础模型相比,以较小的检测效率损失为代价取得了更高的分割精度,全场景理解和细节处理能力均有明显提升。 Smoke occlusion has an adverse effect on the target recognition of image-based homing guidance system.It is an urgent problem to improve the accuracy of smoke region segmentation recognition accuracy and reduce the false alarm rate.Some problems exist in Deeplabv3+basic algorithm such as missing and wrong segmentation,which result in serious loss of details and low overall segmentation accuracy.This paper proposes a smoke region segmentation algorithm based on improved Deeplabv3+model.An atrous spatial pyramid pooling(ASPP)structure of different-sensory field fusion based on the empty convolution is proposed to further expand the empty convolution receptive field and reduce the adverse impact of information loss.The backbone network is optimized and multi-scale fusion module is added to reduce the network parameters and calculation.The channel attention module is introduced to strengthen the feature learning ability of key channels,speed up the model training and improve the model segmentation accuracy.The experimental result shows that the improved Deeplabv3+model has an mean intersection over union(MIoU)ratio of 91.03%in the test set and a segmentation efficiency of 12.64 FPS,which has better result of segmentation than the traditional pattern recognition algorithm.The improved Deeplabv3+model achieves higher segmentation accuracy at the cost of less detection efficiency loss compared with the Deeplabv3+basic model,and the abilities of full scene understanding and detail processing are significantly improved.
作者 刘志赢 谢春思 李进军 桑雨 LIU Zhiying;XIE Chunsi;LI Jinjun;SANG Yu(Midshipmen Group Five,Dalian Naval Academy,Dalian 116018 China;Department of Missile&Shipborne Gunnery,Dalian Naval Academy,Dalian 116018 China)
出处 《系统工程与电子技术》 EI CSCD 北大核心 2021年第2期328-335,共8页 Systems Engineering and Electronics
关键词 语义分割 深度学习 烟雾 识别算法 semantic segmentation deep learning smoke recognition algorithm
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