===Object_Detection===
Feature Pyramid Networks for Object Detection, https://arxiv.org/abs/1612.03144.
R-FCN: Object Detection via Region-based Fully Convolutional Networks, https://arxiv.org/abs/1605.06409.
PVANET: Deep but Lightweight Neural Networks for Real-time Object Detection, https://arxiv.org/abs/1608.08021.
Spatial Pyramid Pooling in Deep Convolutional Networks for Visual Recognition, https://arxiv.org/abs/1406.4729.
===3D_OD===