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Yukai Ma

18 accepted papers

2026

From Seeing to Experiencing: Scaling Navigation Foundation Models with Reinforcement Learning

ICLR 2026poster

Navigation foundation models trained on massive web-scale data enable agents to generalize across diverse environments and embodiments. However, these models, which are trained solely on offline data, often lack the capacity to reason about the consequences of their actions or adapt through counterf…

Cited by 0SourceScholar
2026

Learning Sidewalk Autopilot from Multi-Scale Imitation with Corrective Behavior Expansion

ICRA 2026poster

Sidewalk micromobility is a promising solution for last-mile transportation, but current learning-based control methods struggle in complex urban environments. Imitation learning (IL) learns policies from human demonstrations, yet its reliance on fixed offline data often leads to compounding errors,…

2025

DriveArena: A Closed-loop Generative Simulation Platform for Autonomous Driving

ICCV 2025poster

This paper introduces DriveArena, the first high-fidelity closed-loop simulation system designed for driving agents navigating real-world scenarios. DriveArena comprises two core components: Traffic Manager, a traffic simulator capable of generating realistic traffic flow on any global street map, a…

Cited by 0SourcePDFScholar
2025

Driving in the Occupancy World: Vision-Centric 4D Occupancy Forecasting and Planning via World Models for Autonomous Driving

AAAI 2025technical

World models envision potential future states based on various ego actions. They embed extensive knowledge about the driving environment, facilitating safe and scalable autonomous driving. Most existing methods primarily focus on either data generation or the pretraining paradigms of world models. U…

Cited by 4SourcePDFScholar
2025

L2COcc: Lightweight Camera-Centric Semantic Scene Completion via Distillation of LiDAR Model

IROS 2025

Semantic Scene Completion (SSC) constitutes a pivotal element in autonomous driving perception systems, tasked with inferring the 3D semantic occupancy of a scene from sensory data. To improve accuracy, prior research has implemented various computationally demanding and memory-intensive 3D operatio

Cited by 3SourcecodeScholar
2025

LiCROcc: Teach Radar for Accurate Semantic Occupancy Prediction Using LiDAR and Camera

RA-L 2025

Semantic Scene Completion (SSC) is pivotal in autonomous driving perception, frequently confronted with the complexities of weather and illumination changes. The long-term strategy involves fusing multi-modal information to bolster the system's robustness. Radar, increasingly utilized for 3D target

Cited by 18SourceScholar
2025

X-Scene: Large-Scale Driving Scene Generation with High Fidelity and Flexible Controllability

NeurIPS 2025poster

Diffusion models are advancing autonomous driving by enabling realistic data synthesis, predictive end-to-end planning, and closed-loop simulation, with a primary focus on temporally consistent generation. However, large-scale 3D scene generation requiring spatial coherence remains underexplored. In…

Cited by 0SourceScholar
2024

A Coarse-to-Fine Place Recognition Approach using Attention-guided Descriptors and Overlap Estimation

ICRA 2024poster

Place recognition is a challenging but crucial task in robotics. Current description-based methods may be limited by representation capabilities, while pairwise similarity-based methods require exhaustive searches, which is time-consuming. In this paper, we present a novel coarse-to-fine approach to…

Cited by 1SourcecodeScholar
2024

Continuously Learning, Adapting, and Improving: A Dual-Process Approach to Autonomous Driving

NeurIPS 2024poster

Autonomous driving has advanced significantly due to sensors, machine learning, and artificial intelligence improvements. However, prevailing methods struggle with intricate scenarios and causal relationships, hindering adaptability and interpretability in varied environments. To address the above p…

2024

Monocular Event-Inertial Odometry with Adaptive decay-based Time Surface and Polarity-aware Tracking

IROS 2024poster

Event cameras have garnered considerable attention due to their advantages over traditional cameras in low power consumption, high dynamic range, and no motion blur. This paper proposes a monocular event-inertial odometry incorporating an adaptive decay kernel-based time surface with polarity-aware…

Cited by 2SourceScholar
2024

RadarCam-Depth: Radar-Camera Fusion for Depth Estimation with Learned Metric Scale

ICRA 2024poster

We present a novel approach for metric dense depth estimation based on the fusion of a single-view image and a sparse, noisy Radar point cloud. The direct fusion of heterogeneous Radar and image data, or their encodings, tends to yield dense depth maps with significant artifacts, blurred boundaries,…

Cited by 11SourcecodeScholar
2023

Coco-LIC: Continuous-Time Tightly-Coupled LiDAR-Inertial-Camera Odometry Using Non-Uniform B-Spline

RA-L 2023

In this letter, we propose an efficient continuous-time LiDAR-Inertial-Camera Odometry, utilizing non-uniform B-splines to tightly couple measurements from the LiDAR, IMU, and camera. In contrast to uniform B-spline-based continuous-time methods, our non-uniform B-spline approach offers significant

Cited by 39SourcecodeScholar
2023

Geo-Localization With Transformer-Based 2D-3D Match Network

RA-L 2023

This letter presents a novel method for geographical localization by registering satellite maps with LiDAR point clouds. This method includes a Transformer-based 2D-3D matching network called D-GLSNet that directly matches the LiDAR point clouds and satellite images through end-to-end learning. With

Cited by 18SourceScholar
2023

SUBP: Soft Uniform Block Pruning for 1$\times$N Sparse CNNs Multithreading Acceleration

NeurIPS 2023poster

The study of sparsity in Convolutional Neural Networks (CNNs) has become widespread to compress and accelerate models in environments with limited resources. By constraining N consecutive weights along the output channel to be group-wise non-zero, the recent network with 1$\times$N sparsity has rece…

2022

Ctrl-VIO: Continuous-Time Visual-Inertial Odometry for Rolling Shutter Cameras

RA-L 2022

In this letter, we propose a probabilistic continuous-time visual-inertial odometry (VIO) for rolling shutter cameras. The continuous-time trajectory formulation naturally facilitates the fusion of asynchronized high-frequency IMU data and motion-distorted rolling shutter images. To prevent intracta

Cited by 27SourcecodeScholar