/SECOND

Case Study for SECOND

Coding

Created: Nov 30, 2020 6:37 PM Status: MainList

SECOND

Pre-process

  • Points File (.bin) Load and reshape
  • Voxels Generation and Points Sampling

Voxel Net

  • Point-Wise Voxel Feature Encode
    • Pre-Process
    • FCN
      • Linear Layer
      • Batch Normalization
      • ReLU
    • Max-Pooling
    • Concentration
  • Voxel-wise Feature Extract

Sparse Convolution

Convolutional Middle Layer

  • 3D Convolution
  • Batch Normalization
  • ReLU

RPN

Regional Proposal Neural Network

  • Tensor Reshape (4D → 3D)
  • 2D Convolution
    • Convolution
    • Batch Normalization
    • ReLU
  • De-convolution (Up-Sampling)
  • Concentration
  • Regression

Note https://www.notion.so/babe730f76da4281b451df2c6b7be3dd?v=4d240bfa8b6b4603a3962004a7b47538