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Interlaced Sparse Self-Attention for Semantic Segmentation

Introduction

Official Repo

Code Snippet

ISANet (ArXiv'2019/IJCV'2021)
@article{huang2019isa,
  title={Interlaced Sparse Self-Attention for Semantic Segmentation},
  author={Huang, Lang and Yuan, Yuhui and Guo, Jianyuan and Zhang, Chao and Chen, Xilin and Wang, Jingdong},
  journal={arXiv preprint arXiv:1907.12273},
  year={2019}
}

The technical report above is also presented at:
@article{yuan2021ocnet,
  title={OCNet: Object Context for Semantic Segmentation},
  author={Yuan, Yuhui and Huang, Lang and Guo, Jianyuan and Zhang, Chao and Chen, Xilin and Wang, Jingdong},
  journal={International Journal of Computer Vision},
  pages={1--24},
  year={2021},
  publisher={Springer}
}

Results and models

Cityscapes

Method Backbone Crop Size Lr schd Mem (GB) Inf time (fps) mIoU mIoU(ms+flip) config download
ISANet R-50-D8 512x1024 40000 5.869 2.91 78.49 79.44 config model | log
ISANet R-50-D8 512x1024 80000 5.869 2.91 78.68 80.25 config model | log
ISANet R-50-D8 769x769 40000 6.759 1.54 78.70 80.28 config model | log
ISANet R-50-D8 769x769 80000 6.759 1.54 79.29 80.53 config model | log
ISANet R-101-D8 512x1024 40000 9.425 2.35 79.58 81.05 config model | log
ISANet R-101-D8 512x1024 80000 9.425 2.35 80.32 81.58 config model | log
ISANet R-101-D8 769x769 40000 10.815 0.92 79.68 80.95 config model | log
ISANet R-101-D8 769x769 80000 10.815 0.92 80.61 81.59 config model | log

ADE20K

Method Backbone Crop Size Lr schd Mem (GB) Inf time (fps) mIoU mIoU(ms+flip) config download
ISANet R-50-D8 512x512 80000 9.0 22.55 41.12 42.35 config model | log
ISANet R-50-D8 512x512 160000 9.0 22.55 42.59 43.07 config model | log
ISANet R-101-D8 512x512 80000 12.562 10.56 43.51 44.38 config model | log
ISANet R-101-D8 512x512 160000 12.562 10.56 43.80 45.4 config model | log

Pascal VOC 2012 + Aug

Method Backbone Crop Size Lr schd Mem (GB) Inf time (fps) mIoU mIoU(ms+flip) config download
ISANet R-50-D8 512x512 20000 5.9 23.08 76.78 77.79 config model | log
ISANet R-50-D8 512x512 40000 5.9 23.08 76.20 77.22 config model | log
ISANet R-101-D8 512x512 20000 9.465 7.42 78.46 79.16 config model | log
ISANet R-101-D8 512x512 40000 9.465 7.42 78.12 79.04 config model | log