Combine Supervised Edge and Semantic Supplement for Instance Segmentation

Two-stage instance segmentation method outperforms the one-stage counterpart on complex occasions. However, we found that the RoIAlign operation identifies the feature map to smaller size, and the convolution or up-sampling causes the loss of detailed information. All these make it difficult to achi...

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Main Authors: Yakun Yang, Wenjie Luo, Xuedong Tian
Format: Article
Language:English
Published: IEEE 2022-01-01
Series:IEEE Access
Subjects:
Online Access:https://ieeexplore.ieee.org/document/9866044/
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author Yakun Yang
Wenjie Luo
Xuedong Tian
author_facet Yakun Yang
Wenjie Luo
Xuedong Tian
author_sort Yakun Yang
collection DOAJ
description Two-stage instance segmentation method outperforms the one-stage counterpart on complex occasions. However, we found that the RoIAlign operation identifies the feature map to smaller size, and the convolution or up-sampling causes the loss of detailed information. All these make it difficult to achieve precise segmentation. To circumvent the issue, we propose a simple and efficient anchor-free model for instance segmentation. We name it as CSAS because it combines the detection-based and segmentation-based idea. The CSAS adopts the two-stage paradigm, which mainly includes detection and segmentation. The box head not only considers the location accuracy into confidence score but calculates the IoU loss of regression, which leads to a gain of 1.5%. The mask head adopts the multi-task learning to accomplish precise segmentation, and it grows 1.7 points. Using the ResNet-50-FPN, a single CSAS obtains 1.6% improvement over the Mask R-CNN. Our result demonstrates that CSAS is capable of gaining the complete mask of instance. We conclude that the detailed feature information is essential for precise segmentation, the idea is available for other segmentation tasks.
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spelling doaj.art-3cf83c7bf9dc44efb2f613662bcb727c2022-12-22T04:31:41ZengIEEEIEEE Access2169-35362022-01-0110898528986010.1109/ACCESS.2022.32013459866044Combine Supervised Edge and Semantic Supplement for Instance SegmentationYakun Yang0Wenjie Luo1https://orcid.org/0000-0002-2070-465XXuedong Tian2https://orcid.org/0000-0002-2746-2278School of Cyber Security and Computer, Hebei University, Baoding, ChinaSchool of Cyber Security and Computer, Hebei University, Baoding, ChinaSchool of Cyber Security and Computer, Hebei University, Baoding, ChinaTwo-stage instance segmentation method outperforms the one-stage counterpart on complex occasions. However, we found that the RoIAlign operation identifies the feature map to smaller size, and the convolution or up-sampling causes the loss of detailed information. All these make it difficult to achieve precise segmentation. To circumvent the issue, we propose a simple and efficient anchor-free model for instance segmentation. We name it as CSAS because it combines the detection-based and segmentation-based idea. The CSAS adopts the two-stage paradigm, which mainly includes detection and segmentation. The box head not only considers the location accuracy into confidence score but calculates the IoU loss of regression, which leads to a gain of 1.5%. The mask head adopts the multi-task learning to accomplish precise segmentation, and it grows 1.7 points. Using the ResNet-50-FPN, a single CSAS obtains 1.6% improvement over the Mask R-CNN. Our result demonstrates that CSAS is capable of gaining the complete mask of instance. We conclude that the detailed feature information is essential for precise segmentation, the idea is available for other segmentation tasks.https://ieeexplore.ieee.org/document/9866044/Instance segmentationmulti-task learninganchor-free modelinstance boundary
spellingShingle Yakun Yang
Wenjie Luo
Xuedong Tian
Combine Supervised Edge and Semantic Supplement for Instance Segmentation
IEEE Access
Instance segmentation
multi-task learning
anchor-free model
instance boundary
title Combine Supervised Edge and Semantic Supplement for Instance Segmentation
title_full Combine Supervised Edge and Semantic Supplement for Instance Segmentation
title_fullStr Combine Supervised Edge and Semantic Supplement for Instance Segmentation
title_full_unstemmed Combine Supervised Edge and Semantic Supplement for Instance Segmentation
title_short Combine Supervised Edge and Semantic Supplement for Instance Segmentation
title_sort combine supervised edge and semantic supplement for instance segmentation
topic Instance segmentation
multi-task learning
anchor-free model
instance boundary
url https://ieeexplore.ieee.org/document/9866044/
work_keys_str_mv AT yakunyang combinesupervisededgeandsemanticsupplementforinstancesegmentation
AT wenjieluo combinesupervisededgeandsemanticsupplementforinstancesegmentation
AT xuedongtian combinesupervisededgeandsemanticsupplementforinstancesegmentation