An Efficient Module for Instance Segmentation Based on Multi-Level Features and Attention Mechanisms

Recently, multi-level feature networks have been extensively used in instance segmentation. However, because not all features are beneficial to instance segmentation tasks, the performance of networks cannot be adequately improved by synthesizing multi-level convolutional features indiscriminately....

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Main Authors: Yingchun Sun, Wang Gao, Shuguo Pan, Tao Zhao, Yahui Peng
Format: Article
Language:English
Published: MDPI AG 2021-01-01
Series:Applied Sciences
Subjects:
Online Access:https://www.mdpi.com/2076-3417/11/3/968
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author Yingchun Sun
Wang Gao
Shuguo Pan
Tao Zhao
Yahui Peng
author_facet Yingchun Sun
Wang Gao
Shuguo Pan
Tao Zhao
Yahui Peng
author_sort Yingchun Sun
collection DOAJ
description Recently, multi-level feature networks have been extensively used in instance segmentation. However, because not all features are beneficial to instance segmentation tasks, the performance of networks cannot be adequately improved by synthesizing multi-level convolutional features indiscriminately. In order to solve the problem, an attention-based feature pyramid module (AFPM) is proposed, which integrates the attention mechanism on the basis of a multi-level feature pyramid network to efficiently and pertinently extract the high-level semantic features and low-level spatial structure features; for instance, segmentation. Firstly, we adopt a convolutional block attention module (CBAM) into feature extraction, and sequentially generate attention maps which focus on instance-related features along the channel and spatial dimensions. Secondly, we build inter-dimensional dependencies through a convolutional triplet attention module (CTAM) in lateral attention connections, which is used to propagate a helpful semantic feature map and filter redundant informative features irrelevant to instance objects. Finally, we construct branches for feature enhancement to strengthen detailed information to boost the entire feature hierarchy of the network. The experimental results on the Cityscapes dataset manifest that the proposed module outperforms other excellent methods under different evaluation metrics and effectively upgrades the performance of the instance segmentation method.
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spelling doaj.art-866e3cdd3b804471b5c3f648a172c7972023-12-03T14:08:38ZengMDPI AGApplied Sciences2076-34172021-01-0111396810.3390/app11030968An Efficient Module for Instance Segmentation Based on Multi-Level Features and Attention MechanismsYingchun Sun0Wang Gao1Shuguo Pan2Tao Zhao3Yahui Peng4School of Instrument Science and Engineering, Southeast University, Nanjing 210096, ChinaSchool of Instrument Science and Engineering, Southeast University, Nanjing 210096, ChinaSchool of Instrument Science and Engineering, Southeast University, Nanjing 210096, ChinaSchool of Instrument Science and Engineering, Southeast University, Nanjing 210096, ChinaSchool of Instrument Science and Engineering, Southeast University, Nanjing 210096, ChinaRecently, multi-level feature networks have been extensively used in instance segmentation. However, because not all features are beneficial to instance segmentation tasks, the performance of networks cannot be adequately improved by synthesizing multi-level convolutional features indiscriminately. In order to solve the problem, an attention-based feature pyramid module (AFPM) is proposed, which integrates the attention mechanism on the basis of a multi-level feature pyramid network to efficiently and pertinently extract the high-level semantic features and low-level spatial structure features; for instance, segmentation. Firstly, we adopt a convolutional block attention module (CBAM) into feature extraction, and sequentially generate attention maps which focus on instance-related features along the channel and spatial dimensions. Secondly, we build inter-dimensional dependencies through a convolutional triplet attention module (CTAM) in lateral attention connections, which is used to propagate a helpful semantic feature map and filter redundant informative features irrelevant to instance objects. Finally, we construct branches for feature enhancement to strengthen detailed information to boost the entire feature hierarchy of the network. The experimental results on the Cityscapes dataset manifest that the proposed module outperforms other excellent methods under different evaluation metrics and effectively upgrades the performance of the instance segmentation method.https://www.mdpi.com/2076-3417/11/3/968AFPMmulti-level featuresinter-dimensional interactionattention mechanisminstance segmentation
spellingShingle Yingchun Sun
Wang Gao
Shuguo Pan
Tao Zhao
Yahui Peng
An Efficient Module for Instance Segmentation Based on Multi-Level Features and Attention Mechanisms
Applied Sciences
AFPM
multi-level features
inter-dimensional interaction
attention mechanism
instance segmentation
title An Efficient Module for Instance Segmentation Based on Multi-Level Features and Attention Mechanisms
title_full An Efficient Module for Instance Segmentation Based on Multi-Level Features and Attention Mechanisms
title_fullStr An Efficient Module for Instance Segmentation Based on Multi-Level Features and Attention Mechanisms
title_full_unstemmed An Efficient Module for Instance Segmentation Based on Multi-Level Features and Attention Mechanisms
title_short An Efficient Module for Instance Segmentation Based on Multi-Level Features and Attention Mechanisms
title_sort efficient module for instance segmentation based on multi level features and attention mechanisms
topic AFPM
multi-level features
inter-dimensional interaction
attention mechanism
instance segmentation
url https://www.mdpi.com/2076-3417/11/3/968
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