DCT-Mask: Discrete Cosine Transform Mask Representation for Instance Segmentation

@article{Shen2020DCTMaskDC,
  title={DCT-Mask: Discrete Cosine Transform Mask Representation for Instance Segmentation},
  author={Xing Shen and Jirui Yang and Chunbo Wei and Bing Deng and Jianqiang Huang and Xiansheng Hua and Xiaoliang Cheng and Kewei Liang},
  journal={2021 IEEE/CVF Conference on Computer Vision and Pattern Recognition (CVPR)},
  year={2020},
  pages={8716-8725}
}
  • Xing ShenJirui Yang K. Liang
  • Published 19 November 2020
  • Computer Science
  • 2021 IEEE/CVF Conference on Computer Vision and Pattern Recognition (CVPR)
Binary grid mask representation is broadly used in instance segmentation. A representative instantiation is Mask R-CNN which predicts masks on a 28×28 binary grid. Generally, a low-resolution grid is not sufficient to capture the details, while a high-resolution grid dramatically increases the training complexity. In this paper, we propose a new mask representation by applying the discrete cosine transform(DCT) to encode the high-resolution binary grid mask into a compact vector. Our method… 

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