activity
20192023
most citedRefinedMPL: Refined Monocular PseudoLiDAR for 3D Object Detection in Autonomous Driving

42 citations · 120 across the 20 of their papers we have counts for

collaborators

20 papers

cs.CV2023

GPA-3D: Geometry-aware Prototype Alignment for Unsupervised Domain Adaptive 3D Object Detection from Point Clouds

Ziyu Li, Jingming Guo, Tongtong Cao +2

LiDAR-based 3D detection has made great progress in recent years. However, the performance of 3D detectors is considerably limited when deployed in unseen environments, owing to th…

cs.CV2023★ 2 cited

Improving LiDAR 3D Object Detection via Range-based Point Cloud Density Optimization

Eduardo R. Corral-Soto, Alaap Grandhi, Yannis Y. He +2

In recent years, much progress has been made in LiDAR-based 3D object detection mainly due to advances in detector architecture designs and availability of large-scale LiDAR datase…

cs.CV2023

NeRFVS: Neural Radiance Fields for Free View Synthesis via Geometry Scaffolds

Chen Yang, Peihao Li, Zanwei Zhou +5

We present NeRFVS, a novel neural radiance fields (NeRF) based method to enable free navigation in a room. NeRF achieves impressive performance in rendering images for novel views…

cs.CV2023★ 2 cited

AOP-Net: All-in-One Perception Network for Joint LiDAR-based 3D Object Detection and Panoptic Segmentation

Yixuan Xu, Hamidreza Fazlali, Yuan Ren +1

LiDAR-based 3D object detection and panoptic segmentation are two crucial tasks in the perception systems of autonomous vehicles and robots. In this paper, we propose All-in-One Pe…

cs.RO2022

PCGen: Point Cloud Generator for LiDAR Simulation

Chenqi Li, Yuan Ren, Bingbing Liu

Data is a fundamental building block for LiDAR perception systems. Unfortunately, real-world data collection and annotation is extremely costly & laborious. Recently, real data bas…

cs.CV2022

Domain Adaptation in 3D Object Detection with Gradual Batch Alternation Training

Mrigank Rochan, Xingxin Chen, Alaap Grandhi +2

We consider the problem of domain adaptation in LiDAR-based 3D object detection. Towards this, we propose a simple yet effective training strategy called Gradual Batch Alternation…

cs.CV2022★ 3 cited

A Versatile Multi-View Framework for LiDAR-based 3D Object Detection with Guidance from Panoptic Segmentation

Hamidreza Fazlali, Yixuan Xu, Yuan Ren +1

3D object detection using LiDAR data is an indispensable component for autonomous driving systems. Yet, only a few LiDAR-based 3D object detection methods leverage segmentation inf…

cs.CV2021★ 2 cited

CPSeg: Cluster-free Panoptic Segmentation of 3D LiDAR Point Clouds

Enxu Li, Ryan Razani, Yixuan Xu +1

A fast and accurate panoptic segmentation system for LiDAR point clouds is crucial for autonomous driving vehicles to understand the surrounding objects and scenes. Existing approa…

cs.CV2021

How to Build a Curb Dataset with LiDAR Data for Autonomous Driving

Dongfeng Bai, Tongtong Cao, Jingming Guo +1

Curbs are one of the essential elements of urban and highway traffic environments. Robust curb detection provides road structure information for motion planning in an autonomous dr…

cs.CV2021★ 1 cited

GP-S3Net: Graph-based Panoptic Sparse Semantic Segmentation Network

Ryan Razani, Ran Cheng, Enxu Li +3

Panoptic segmentation as an integrated task of both static environmental understanding and dynamic object identification, has recently begun to receive broad research interest. In…

cs.CV2021

Unsupervised Domain Adaptation in LiDAR Semantic Segmentation with Self-Supervision and Gated Adapters

Mrigank Rochan, Shubhra Aich, Eduardo R. Corral-Soto +2

In this paper, we focus on a less explored, but more realistic and complex problem of domain adaptation in LiDAR semantic segmentation. There is a significant drop in performance o…

cs.CV2021

Lite-HDSeg: LiDAR Semantic Segmentation Using Lite Harmonic Dense Convolutions

Ryan Razani, Ran Cheng, Ehsan Taghavi +1

Autonomous driving vehicles and robotic systems rely on accurate perception of their surroundings. Scene understanding is one of the crucial components of perception modules. Among…

cs.CV2021★ 1 cited

S3Net: 3D LiDAR Sparse Semantic Segmentation Network

Ran Cheng, Ryan Razani, Yuan Ren +1

Semantic Segmentation is a crucial component in the perception systems of many applications, such as robotics and autonomous driving that rely on accurate environmental perception…

cs.CV2021★ 28 cited

(AF)2-S3Net: Attentive Feature Fusion with Adaptive Feature Selection for Sparse Semantic Segmentation Network

Ran Cheng, Ryan Razani, Ehsan Taghavi +2

Autonomous robotic systems and self driving cars rely on accurate perception of their surroundings as the safety of the passengers and pedestrians is the top priority. Semantic seg…

cs.CV2020★ 8 cited

S3CNet: A Sparse Semantic Scene Completion Network for LiDAR Point Clouds

Ran Cheng, Christopher Agia, Yuan Ren +2

With the increasing reliance of self-driving and similar robotic systems on robust 3D vision, the processing of LiDAR scans with deep convolutional neural networks has become a tre…

cs.CV2020★ 9 cited

Bidirectional Attention Network for Monocular Depth Estimation

Shubhra Aich, Jean Marie Uwabeza Vianney, Md Amirul Islam +2

In this paper, we propose a Bidirectional Attention Network (BANet), an end-to-end framework for monocular depth estimation (MDE) that addresses the limitation of effectively integ…

cs.CV2020★ 15 cited

TORNADO-Net: mulTiview tOtal vaRiatioN semAntic segmentation with Diamond inceptiOn module

Martin Gerdzhev, Ryan Razani, Ehsan Taghavi +1

Semantic segmentation of point clouds is a key component of scene understanding for robotics and autonomous driving. In this paper, we introduce TORNADO-Net - a neural network for…

cs.CV2019★ 42 cited

RefinedMPL: Refined Monocular PseudoLiDAR for 3D Object Detection in Autonomous Driving

Jean Marie Uwabeza Vianney, Shubhra Aich, Bingbing Liu

In this paper, we strive for solving the ambiguities arisen by the astoundingly high density of raw PseudoLiDAR for monocular 3D object detection for autonomous driving. Without mu…

cs.CV2019

BoxNet: A Deep Learning Method for 2D Bounding Box Estimation from Bird's-Eye View Point Cloud

Ehsan Nezhadarya, Yang Liu, Bingbing Liu

We present a learning-based method to estimate the object bounding box from its 2D bird's-eye view (BEV) LiDAR points. Our method, entitled BoxNet, exploits a simple deep neural ne…

cs.CV2019★ 7 cited

Adaptive Hierarchical Down-Sampling for Point Cloud Classification

Ehsan Nezhadarya, Ehsan Taghavi, Ryan Razani +2

While several convolution-like operators have recently been proposed for extracting features out of point clouds, down-sampling an unordered point cloud in a deep neural network ha…