activity
20162026
most citedOptimizing Information Freshness in a Multiple Access Channel with Heterogeneous Devices

4 citations · 13 across the 19 of their papers we have counts for

collaborators

19 papers

cs.CV2026

ForestSim: A Synthetic Benchmark for Intelligent Vehicle Perception in Unstructured Forest Environments

Pragat Wagle, Zheng Chen, Lantao Liu

Robust scene understanding is essential for intelligent vehicles operating in natural, unstructured environments. While semantic segmentation datasets for structured urban driving…

cs.RO2025

Navigating the Wild: Pareto-Optimal Visual Decision-Making in Image Space

Durgakant Pushp, Weizhe Chen, Zheng Chen +3

Navigating complex real-world environments requires semantic understanding and adaptive decision-making. Traditional reactive methods without maps often fail in cluttered settings,…

cs.CV2024

C^2DA: Contrastive and Context-aware Domain Adaptive Semantic Segmentation

Md. Al-Masrur Khan, Zheng Chen, Lantao Liu

Unsupervised domain adaptive semantic segmentation (UDA-SS) aims to train a model on the source domain data (e.g., synthetic) and adapt the model to predict target domain data (e.g…

cs.RO2024

Context-Generative Default Policy for Bounded Rational Agent

Durgakant Pushp, Junhong Xu, Zheng Chen +1

Bounded rational agents often make decisions by evaluating a finite selection of choices, typically derived from a reference point termed the default policy,' based on previous…

cs.RO2024

Visual-Geometry GP-based Navigable Space for Autonomous Navigation

Mahmoud Ali, Durgkant Pushp, Zheng Chen +1

Autonomous navigation in unknown environments is challenging and demands the consideration of both geometric and semantic information in order to parse the navigability of the envi…

cs.RO2023

POVNav: A Pareto-Optimal Mapless Visual Navigator

Durgakant Pushp, Zheng Chen, Chaomin Luo +2

Mapless navigation has emerged as a promising approach for enabling autonomous robots to navigate in environments where pre-existing maps may be inaccurate, outdated, or unavailabl…

cs.CV2023

Pseudo-Trilateral Adversarial Training for Domain Adaptive Traversability Prediction

Zheng Chen, Durgakant Pushp, Jason M. Gregory +1

Traversability prediction is a fundamental perception capability for autonomous navigation. Deep neural networks (DNNs) have been widely used to predict traversability during the l…

cs.CV2023

IDA: Informed Domain Adaptive Semantic Segmentation

Zheng Chen, Zhengming Ding, Jason M. Gregory +1

Mixup-based data augmentation has been validated to be a critical stage in the self-training framework for unsupervised domain adaptive semantic segmentation (UDA-SS), which aims t…

cs.CV2023

SePaint: Semantic Map Inpainting via Multinomial Diffusion

Zheng Chen, Deepak Duggirala, David Crandall +2

Prediction beyond partial observations is crucial for robots to navigate in unknown environments because it can provide extra information regarding the surroundings beyond the curr…

cs.RO2022

CALI: Coarse-to-Fine ALIgnments Based Unsupervised Domain Adaptation of Traversability Prediction for Deployable Autonomous Navigation

Zheng Chen, Durgakant Pushp, Lantao Liu

Traversability prediction is a fundamental perception capability for autonomous navigation. The diversity of data in different domains imposes significant gaps to the prediction pe…

cs.RO2021★ 3 cited

Kernel-based diffusion approximated Markov decision processes for autonomous navigation and control on unstructured terrains

Junhong Xu, Kai Yin, Zheng Chen +3

We propose a diffusion approximation method to the continuous-state Markov Decision Processes (MDPs) that can be utilized to address autonomous navigation and control in unstructur…

cs.CV2021

Polyline Generative Navigable Space Segmentation for Autonomous Visual Navigation

Zheng Chen, Zhengming Ding, David Crandall +1

Detecting navigable space is a fundamental capability for mobile robots navigating in unknown or unmapped environments. In this work, we treat visual navigable space segmentation a…

cs.RO2021

NSS-VAEs: Generative Scene Decomposition for Visual Navigable Space Construction

Zheng Chen, Lantao Liu

Detecting navigable space is the first and also a critical step for successful robot navigation. In this work, we treat the visual navigable space segmentation as a scene decomposi…

cs.RO2021

Efficient Map Prediction via Low-Rank Matrix Completion

Zheng Chen, Shi Bai, Lantao Liu

In many autonomous mapping tasks, the maps cannot be accurately constructed due to various reasons such as sparse, noisy, and partial sensor measurements. We propose a novel map pr…

cs.RO2021

Multi-Objective Autonomous Exploration on Real-Time Continuous Occupancy Maps

Zheng Chen, Weizhe Chen, Shi Bai +1

Autonomous exploration in unknown environments using mobile robots is the pillar of many robotic applications. Existing exploration frameworks either select the nearest geometric f…

math.NA2021★ 1 cited

Solving the linear transport equation by a deep neural network approach

Zheng Chen, Liu Liu, Lin Mu

In this paper, we study the linear transport model by adopting the deep learning method, in particular the deep neural network (DNN) approach. While the interest of using DNN to st…

cs.IT2019★ 4 cited

Optimizing Information Freshness in a Multiple Access Channel with Heterogeneous Devices

Zheng Chen, Nikolaos Pappas, Emil Björnson +1

In this work, we study age-optimal scheduling with stability constraints in a multiple access channel with two heterogeneous source nodes transmitting to a common destination. The…

cs.RO2019★ 3 cited

Creating Navigable Space from Sparse Noisy Map Points

Zheng Chen, Lantao Liu

We present a framework for creating navigable space from sparse and noisy map points generated by sparse visual SLAM methods. Our method incrementally seeds and creates local conve…

cs.NI2016★ 2 cited

On the Performance of Delay Aware Shared Access with Priorities

Zheng Chen, Nikolaos Pappas, Marios Kountouris +1

In this paper, we analyze a shared access network with a fixed primary node and randomly distributed secondary nodes whose distribution follows a Poisson point process (PPP). The s…