There are 2 repositories under kitti-2d topic.
TF Object Detection on Kitti Data
This repository contains a C++ code to convert lidar images from kitti dataset to 2D depth images
Object Detector for Autonomous Vehicles Based on Improved Faster-RCNN
OpenCV applications on KITTI dataset and on inbuilt camera of JetsonTx2
Annotation File Converter is a GitHub repository that includes Python-based conversion scripts to convert annotations from one format to another.