Panoptic-DeepLab: A Simple, Strong, and Fast Baseline for Bottom-Up Panoptic Segmentation

[JisuHann]

Panoptic-DeepLab: A Simple, Strong, and Fast Baseline for Bottom-Up Panoptic Segmentation

arxiv, Center regression code

• Why am I reading this paper? Check how they segmented the background and classified the background for the sake of instance segmentation.
• QnA
  • How they segmented the background: Used simple instance representation/grouping
    1. Simple instance representation: represent each object by its center of mass {C_n: (i_n,j_n)} - this seems same as bbox regression
    2. Simple instance grouping: predicting a 'thing' pixel with an offset vector O(i,j) to its instance center.
    3. Efficient merging: "majority vote"
  • Application that I'm thinking: Applying on center regression or efficient merging seems possible