Search Results for author: Jingyi Xu

Found 22 papers, 14 papers with code

Unifying Lane-Level Traffic Prediction from a Graph Structural Perspective: Benchmark and Baseline

1 code implementation22 Mar 2024 Shuhao Li, Yue Cui, Jingyi Xu, Libin Li, Lingkai Meng, Weidong Yang, Fan Zhang, Xiaofang Zhou

Traffic prediction has long been a focal and pivotal area in research, witnessing both significant strides from city-level to road-level predictions in recent years.

Autonomous Driving Traffic Prediction

Visual Foundation Models Boost Cross-Modal Unsupervised Domain Adaptation for 3D Semantic Segmentation

1 code implementation15 Mar 2024 Jingyi Xu, Weidong Yang, Lingdong Kong, Youquan Liu, Rui Zhang, Qingyuan Zhou, Ben Fei

Then, another VFM trained on fine-grained 2D masks is adopted to guide the generation of semantically augmented images and point clouds to enhance the performance of neural networks, which mix the data from source and target domains like view frustums (FrustumMixing).

3D Semantic Segmentation Autonomous Driving +2

Explicit Interaction for Fusion-Based Place Recognition

1 code implementation27 Feb 2024 Jingyi Xu, Junyi Ma, Qi Wu, Zijie Zhou, Yue Wang, Xieyuanli Chen, Ling Pei

Fusion-based place recognition is an emerging technique jointly utilizing multi-modal perception data, to recognize previously visited places in GPS-denied scenarios for robots and autonomous vehicles.

Autonomous Vehicles

3D Gaussian as a New Vision Era: A Survey

no code implementations11 Feb 2024 Ben Fei, Jingyi Xu, Rui Zhang, Qingyuan Zhou, Weidong Yang, Ying He

3D Gaussian Splatting (3D-GS) has emerged as a significant advancement in the field of Computer Graphics, offering explicit scene representation and novel view synthesis without the reliance on neural networks, such as Neural Radiance Fields (NeRF).

Autonomous Navigation Novel View Synthesis

Cam4DOcc: Benchmark for Camera-Only 4D Occupancy Forecasting in Autonomous Driving Applications

1 code implementation29 Nov 2023 Junyi Ma, Xieyuanli Chen, Jiawei Huang, Jingyi Xu, Zhen Luo, Jintao Xu, Weihao Gu, Rui Ai, Hesheng Wang

Furthermore, the standardized evaluation protocol for preset multiple tasks is also provided to compare the performance of all the proposed baselines on present and future occupancy estimation with respect to objects of interest in autonomous driving scenarios.

Autonomous Driving

LCPR: A Multi-Scale Attention-Based LiDAR-Camera Fusion Network for Place Recognition

1 code implementation6 Nov 2023 Zijie Zhou, Jingyi Xu, Guangming Xiong, Junyi Ma

However, most existing multimodal place recognition methods only use limited field-of-view camera images, which leads to an imbalance between features from different modalities and limits the effectiveness of sensor fusion.

Autonomous Vehicles Sensor Fusion

Zero-Shot Object Counting with Language-Vision Models

no code implementations22 Sep 2023 Jingyi Xu, Hieu Le, Dimitris Samaras

Thus, we propose zero-shot object counting (ZSC), a new setting where only the class name is available during test time.

Object Object Counting

Learning from Pseudo-labeled Segmentation for Multi-Class Object Counting

no code implementations15 Jul 2023 Jingyi Xu, Hieu Le, Dimitris Samaras

In this paper, we point out that the task of counting objects of interest when there are multiple object classes in the image (namely, multi-class object counting) is particularly challenging for current object counting models.

Object Object Counting +1

Generating Features with Increased Crop-related Diversity for Few-Shot Object Detection

no code implementations CVPR 2023 Jingyi Xu, Hieu Le, Dimitris Samaras

To mitigate this issue, we propose a novel variational autoencoder (VAE) based data generation model, which is capable of generating data with increased crop-related diversity.

Few-Shot Object Detection object-detection

Zero-shot Object Counting

1 code implementation CVPR 2023 Jingyi Xu, Hieu Le, Vu Nguyen, Viresh Ranjan, Dimitris Samaras

By applying this model to all the candidate patches, we can select the most suitable patches as exemplars for counting.

Object Object Counting +1

CVTNet: A Cross-View Transformer Network for Place Recognition Using LiDAR Data

1 code implementation3 Feb 2023 Junyi Ma, Guangming Xiong, Jingyi Xu, Xieyuanli Chen

LiDAR-based place recognition (LPR) is one of the most crucial components of autonomous vehicles to identify previously visited places in GPS-denied environments.

Autonomous Vehicles

SeqOT: A Spatial-Temporal Transformer Network for Place Recognition Using Sequential LiDAR Data

1 code implementation16 Sep 2022 Junyi Ma, Xieyuanli Chen, Jingyi Xu, Guangming Xiong

It uses multi-scale transformers to generate a global descriptor for each sequence of LiDAR range images in an end-to-end fashion.

Autonomous Vehicles

Contemporary Recommendation Systems on Big Data and Their Applications: A Survey

no code implementations31 May 2022 Ziyuan Xia, Anchen Sun, Jingyi Xu, Yuanzhe Peng, Rui Ma, Minghui Cheng

This survey paper conducts a comprehensive analysis of the evolution and contemporary landscape of recommendation systems, which have been extensively incorporated across a myriad of web applications.

Collaborative Filtering Recommendation Systems

Generating Representative Samples for Few-Shot Classification

1 code implementation CVPR 2022 Jingyi Xu, Hieu Le

To mitigate this issue, we propose to generate visual samples based on semantic embeddings using a conditional variational autoencoder (CVAE) model.

Few-Shot Learning General Classification

FedCorr: Multi-Stage Federated Learning for Label Noise Correction

1 code implementation CVPR 2022 Jingyi Xu, Zihan Chen, Tony Q. S. Quek, Kai Fong Ernest Chong

Although there exist methods in centralized learning for tackling label noise, such methods do not perform well on heterogeneous label noise in FL settings, due to the typically smaller sizes of client datasets and data privacy requirements in FL.

Federated Learning Privacy Preserving

A Comparative Study of Deep Reinforcement Learning-based Transferable Energy Management Strategies for Hybrid Electric Vehicles

1 code implementation22 Feb 2022 Jingyi Xu, Zirui Li, Li Gao, Junyi Ma, Qi Liu, Yanan Zhao

Different exploration methods of DRL, including adding action space noise and parameter space noise, are compared against each other in the transfer learning process in this work.

energy management Management +3

Training Classifiers that are Universally Robust to All Label Noise Levels

1 code implementation27 May 2021 Jingyi Xu, Tony Q. S. Quek, Kai Fong Ernest Chong

In particular, we shall assume that a small subset of any given noisy dataset is known to have correct labels, which we treat as "positive", while the remaining noisy subset is treated as "unlabeled".

Ranked #7 on Image Classification on Clothing1M (using clean data) (using extra training data)

Image Classification

Learning Clusterable Visual Features for Zero-Shot Recognition

no code implementations7 Oct 2020 Jingyi Xu, Zhixin Shu, Dimitris Samaras

However, some testing data are considered "hard" as they lie close to the decision boundaries and are prone to misclassification, leading to performance degradation for ZSL.

Classification Few-Shot Learning +2

GOMP: Grasp-Optimized Motion Planning for Bin Picking

no code implementations5 Mar 2020 Jeffrey Ichnowski, Michael Danielczuk, Jingyi Xu, Vishal Satish, Ken Goldberg

Rapid and reliable robot bin picking is a critical challenge in automating warehouses, often measured in picks-per-hour (PPH).

Robotics

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