Point Pillar

Bird-eye view.

Laser Net

Input height, intensity & depth & image. Project the LiDAR point to the image. Then do the 2D image detection.

Multi-fusion

bird-eye view & perspective voxel view(polar corrdinate).

Range RCNN

提取range feature，再映射回bird view。

NMS && Anchors

AFDet

NMS & Anchor free.

Lasso & Ridge Regression

Lasso could reduce dimension.

https://towardsdatascience.com/ridge-and-lasso-regression-a-complete-guide-with-python-scikit-learn-e20e34bcbf0b