Search Results for author: Zhijun Li

Found 23 papers, 11 papers with code

FoCTTA: Low-Memory Continual Test-Time Adaptation with Focus

no code implementations28 Feb 2025 Youbing Hu, Yun Cheng, Zimu Zhou, Anqi Lu, Zhiqiang Cao, Zhijun Li

Second, updating all BN layers requires storing the activations of all BN layers for backpropagation, exacerbating the memory demand.

All Test-time Adaptation

FocusDD: Real-World Scene Infusion for Robust Dataset Distillation

no code implementations11 Jan 2025 Youbing Hu, Yun Cheng, Olga Saukh, Firat Ozdemir, Anqi Lu, Zhiqiang Cao, Zhijun Li

To further improve the generalization of the distilled dataset, each synthesized image is augmented with a downsampled view of the original image.

Dataset Distillation object-detection +1

MBPU: A Plug-and-Play State Space Model for Point Cloud Upsamping with Fast Point Rendering

no code implementations21 Oct 2024 Jiayi Song, Weidong Yang, Zhijun Li, Wen-Ming Chen, Ben Fei

Extensive experiments have demonstrated that our MBPU outperforms other off-the-shelf methods in terms of point cloud upsampling, especially for large-scale point clouds.

Mamba point cloud upsampling

GS-PT: Exploiting 3D Gaussian Splatting for Comprehensive Point Cloud Understanding via Self-supervised Learning

no code implementations8 Sep 2024 Keyi Liu, Yeqi Luo, Weidong Yang, Jingyi Xu, Zhijun Li, Wen-Ming Chen, Ben Fei

3DGS utilizes multi-view rendered images as input to generate enhanced point cloud distributions and novel view images, facilitating data augmentation and cross-modal contrastive learning.

3DGS 3D Object Classification +4

Vision-based Wearable Steering Assistance for People with Impaired Vision in Jogging

1 code implementation1 Aug 2024 Xiaotong Liu, Binglu Wang, Zhijun Li

Meanwhile, we utilized the positions of the track lines and obstacles as constraints to guide people with impaired vision safely along the current track.

HGL: Hierarchical Geometry Learning for Test-time Adaptation in 3D Point Cloud Segmentation

1 code implementation17 Jul 2024 Tianpei Zou, Sanqing Qu, Zhijun Li, Alois Knoll, Lianghua He, Guang Chen, Changjun Jiang

HGL comprises three complementary modules from local, global to temporal learning in a bottom-up manner. Technically, we first construct a local geometry learning module for pseudo-label generation.

Point Cloud Segmentation Pseudo Label +1

Gyroscope-Assisted Motion Deblurring Network

1 code implementation10 Feb 2024 Simin Luan, Cong Yang, Zeyd Boukhers, Xue Qin, Dongfeng Cheng, Wei Sui, Zhijun Li

Yet, their practical usage in real-world deblurring, especially motion blur, remains limited due to the lack of pixel-aligned training triplets (background, blurred image, and blur heat map) and restricted information inherent in blurred images.

Deblurring Image Restoration +1

Personal LLM Agents: Insights and Survey about the Capability, Efficiency and Security

2 code implementations10 Jan 2024 Yuanchun Li, Hao Wen, Weijun Wang, Xiangyu Li, Yizhen Yuan, Guohong Liu, Jiacheng Liu, Wenxing Xu, Xiang Wang, Yi Sun, Rui Kong, Yile Wang, Hanfei Geng, Jian Luan, Xuefeng Jin, Zilong Ye, Guanjing Xiong, Fan Zhang, Xiang Li, Mengwei Xu, Zhijun Li, Peng Li, Yang Liu, Ya-Qin Zhang, Yunxin Liu

Next, we discuss several key challenges to achieve intelligent, efficient and secure Personal LLM Agents, followed by a comprehensive survey of representative solutions to address these challenges.

Task Planning

Spreeze: High-Throughput Parallel Reinforcement Learning Framework

no code implementations11 Dec 2023 Jing Hou, Guang Chen, Ruiqi Zhang, Zhijun Li, Shangding Gu, Changjun Jiang

While existing parallel RL frameworks encompass a variety of RL algorithms and parallelization techniques, the excessively burdensome communication frameworks hinder the attainment of the hardware's limit for final throughput and training effects on a single desktop.

reinforcement-learning Reinforcement Learning +1

PneumoLLM: Harnessing the Power of Large Language Model for Pneumoconiosis Diagnosis

1 code implementation6 Dec 2023 Meiyue Song, Zhihua Yu, Jiaxin Wang, Jiarui Wang, Yuting Lu, Baicun Li, Xiaoxu Wang, Qinghua Huang, Zhijun Li, Nikolaos I. Kanellakis, Jiangfeng Liu, Jing Wang, Binglu Wang, Juntao Yang

Yet, this approach often requires optimization of extensive learnable parameters in the text branch and the dialogue head, potentially diminishing the LLMs' efficacy, especially with limited training data.

Diagnostic Language Modeling +2

Improved Dense Nested Attention Network Based on Transformer for Infrared Small Target Detection

1 code implementation15 Nov 2023 Chun Bao, Jie Cao, Yaqian Ning, Tianhua Zhao, Zhijun Li, Zechen Wang, Li Zhang, Qun Hao

To address this issue, we propose a novel method for detecting infrared small targets called improved dense nested attention network (IDNANet), which is based on the transformer architecture.

TMA: Temporal Motion Aggregation for Event-based Optical Flow

1 code implementation ICCV 2023 Haotian Liu, Guang Chen, Sanqing Qu, Yanping Zhang, Zhijun Li, Alois Knoll, Changjun Jiang

In this paper, we argue that temporal continuity is a vital element of event-based optical flow and propose a novel Temporal Motion Aggregation (TMA) approach to unlock its potential.

Event-based Optical Flow Optical Flow Estimation

Edge-Cloud Cooperation for DNN Inference via Reinforcement Learning and Supervised Learning

no code implementations11 Oct 2022 Tinghao Zhang, Zhijun Li, Yongrui Chen, Kwok-Yan Lam, Jun Zhao

A reinforcement learning (RL)-based DNN compression approach is used to generate the lightweight model suitable for the edge from the heavyweight model.

Image Classification object-detection +3

BMD: A General Class-balanced Multicentric Dynamic Prototype Strategy for Source-free Domain Adaptation

1 code implementation6 Apr 2022 Sanqing Qu, Guang Chen, Jing Zhang, Zhijun Li, wei he, DaCheng Tao

Source-free Domain Adaptation (SFDA) aims to adapt a pre-trained source model to the unlabeled target domain without accessing the well-labeled source data, which is a much more practical setting due to the data privacy, security, and transmission issues.

Clustering Pseudo Label +1

Comprehensive Review of Deep Learning-Based 3D Point Cloud Completion Processing and Analysis

no code implementations7 Mar 2022 Ben Fei, Weidong Yang, Wenming Chen, Zhijun Li, Yikang Li, Tao Ma, Xing Hu, Lipeng Ma

Point cloud completion is a generation and estimation issue derived from the partial point clouds, which plays a vital role in the applications in 3D computer vision.

Point Cloud Completion Survey

Edge-Cloud Collaborated Object Detection via Difficult-Case Discriminator

no code implementations29 Aug 2021 Zhiqiang Cao, Zhijun Li, Pan Heng, Yongrui Chen, Daqi Xie, Jie Liu

To address this challenge, we propose a small-big model framework that deploys a big model in the cloud and a small model on the edge devices.

Object object-detection +1

Lightweight Convolutional Neural Network with Gaussian-based Grasping Representation for Robotic Grasping Detection

no code implementations25 Jan 2021 Hu Cao, Guang Chen, Zhijun Li, Jianjie Lin, Alois Knoll

Extensive experiments on two public grasping datasets, Cornell and Jacquard demonstrate the state-of-the-art performance of our method in balancing accuracy and inference speed.

object-detection Robotic Grasping

PointINet: Point Cloud Frame Interpolation Network

1 code implementation18 Dec 2020 Fan Lu, Guang Chen, Sanqing Qu, Zhijun Li, Yinlong Liu, Alois Knoll

Generally, the frame rates of mechanical LiDAR sensors are 10 to 20 Hz, which is much lower than other commonly used sensors like cameras.

3D Point Cloud Interpolation

MoNet: Motion-based Point Cloud Prediction Network

no code implementations21 Nov 2020 Fan Lu, Guang Chen, Yinlong Liu, Zhijun Li, Sanqing Qu, Tianpei Zou

3D point clouds accurately model 3D information of surrounding environment and are crucial for intelligent vehicles to perceive the scene.

Autonomous Driving Prediction

Cannot find the paper you are looking for? You can Submit a new open access paper.