Search Results for author: Wenbin Li

Found 67 papers, 25 papers with code

Uni-Mlip: Unified Self-supervision for Medical Vision Language Pre-training

no code implementations20 Nov 2024 Ameera Bawazir, Kebin Wu, Wenbin Li

Recent advancements in vision-language pre-training via contrastive learning have significantly improved performance across computer vision tasks.

Contrastive Learning Image Classification +4

Neural Implicit Representation for Highly Dynamic LiDAR Mapping and Odometry

no code implementations26 Sep 2024 Qi Zhang, He Wang, Ru Li, Wenbin Li

By identifying and excluding dynamic elements from the mapping process, this segmentation enables the creation of a dense 3D map that accurately represents the static background only.

3D Scene Reconstruction Simultaneous Localization and Mapping

3D Gaussian Splatting: Survey, Technologies, Challenges, and Opportunities

1 code implementation24 Jul 2024 Yanqi Bao, Tianyu Ding, Jing Huo, Yaoli Liu, Yuxin Li, Wenbin Li, Yang Gao, Jiebo Luo

3D Gaussian Splatting (3DGS) has emerged as a prominent technique with the potential to become a mainstream method for 3D representations.

Survey

PORCA: Root Cause Analysis with Partially Observed Data

no code implementations8 Jul 2024 Chang Gong, Di Yao, Jin Wang, Wenbin Li, Lanting Fang, Yongtao Xie, Kaiyu Feng, Peng Han, Jingping Bi

In this paper, we unveil the issues of unobserved confounders and heterogeneity in partial observation and come up with a new problem of root cause analysis with partially observed data.

Causal Discovery Scheduling

STBench: Assessing the Ability of Large Language Models in Spatio-Temporal Analysis

1 code implementation27 Jun 2024 Wenbin Li, Di Yao, Ruibo Zhao, Wenjie Chen, Zijie Xu, Chengxue Luo, Chang Gong, Quanliang Jing, Haining Tan, Jingping Bi

The rapid evolution of large language models (LLMs) holds promise for reforming the methodology of spatio-temporal data mining.

In-Context Learning

CausalMMM: Learning Causal Structure for Marketing Mix Modeling

no code implementations24 Jun 2024 Chang Gong, Di Yao, Lei Zhang, Sheng Chen, Wenbin Li, Yueyang Su, Jingping Bi

We argue that causal MMM needs dynamically discover specific causal structures for different shops and the predictions should comply with the prior known marketing response patterns.

Marketing Variational Inference

Zero-Shot Video Editing through Adaptive Sliding Score Distillation

no code implementations7 Jun 2024 Lianghan Zhu, Yanqi Bao, Jing Huo, Jing Wu, Yu-Kun Lai, Wenbin Li, Yang Gao

To address these challenges, this study proposes a novel paradigm of video-based score distillation, facilitating direct manipulation of original video content.

Denoising Text-to-Video Generation +2

IPixMatch: Boost Semi-supervised Semantic Segmentation with Inter-Pixel Relation

no code implementations29 Apr 2024 Kebin Wu, Wenbin Li, Xiaofei Xiao

The scarcity of labeled data in real-world scenarios is a critical bottleneck of deep learning's effectiveness.

Relation Semi-Supervised Semantic Segmentation

Continual Offline Reinforcement Learning via Diffusion-based Dual Generative Replay

1 code implementation16 Apr 2024 Jinmei Liu, Wenbin Li, Xiangyu Yue, Shilin Zhang, Chunlin Chen, Zhi Wang

Finally, by interleaving pseudo samples with real ones of the new task, we continually update the state and behavior generators to model progressively diverse behaviors, and regularize the multi-head critic via behavior cloning to mitigate forgetting.

Continual Learning reinforcement-learning +1

ONNXPruner: ONNX-Based General Model Pruning Adapter

no code implementations10 Apr 2024 Dongdong Ren, Wenbin Li, Tianyu Ding, Lei Wang, Qi Fan, Jing Huo, Hongbing Pan, Yang Gao

However, the practical application of these algorithms across various models and platforms remains a significant challenge.

Exploiting Inter-sample and Inter-feature Relations in Dataset Distillation

1 code implementation CVPR 2024 Wenxiao Deng, Wenbin Li, Tianyu Ding, Lei Wang, Hongguang Zhang, Kuihua Huang, Jing Huo, Yang Gao

However, these methods face two primary limitations: the dispersed feature distribution within the same class in synthetic datasets, reducing class discrimination, and an exclusive focus on mean feature consistency, lacking precision and comprehensiveness.

Dataset Distillation

DIO: Dataset of 3D Mesh Models of Indoor Objects for Robotics and Computer Vision Applications

no code implementations19 Feb 2024 Nillan Nimal, Wenbin Li, Ronald Clark, Sajad Saeedi

These images were processed using a photogrammetry software known as Meshroom to generate a dense surface reconstruction of the scene.

Surface Reconstruction

AccidentGPT: Large Multi-Modal Foundation Model for Traffic Accident Analysis

no code implementations5 Jan 2024 Kebin Wu, Wenbin Li, Xiaofei Xiao

This paper introduces the idea of AccidentGPT, a foundation model of traffic accident analysis, which incorporates multi-modal input data to automatically reconstruct the accident process video with dynamics details, and furthermore provide multi-task analysis with multi-modal outputs.

Privacy Preserving

A multi-layer refined network model for the identification of essential proteins

no code implementations6 Dec 2023 Haoyue Wang, Li Pan, Bo Yang, Junqiang Jiang, Wenbin Li

In order to improve the accuracy of the identification of essential proteins, researchers attempted to obtain a refined PIN by combining multiple biological information to filter out some unreliable interactions in the PIN.

Specificity

InsertNeRF: Instilling Generalizability into NeRF with HyperNet Modules

1 code implementation26 Aug 2023 Yanqi Bao, Tianyu Ding, Jing Huo, Wenbin Li, Yuxin Li, Yang Gao

By utilizing multiple plug-and-play HyperNet modules, InsertNeRF dynamically tailors NeRF's weights to specific reference scenes, transforming multi-scale sampling-aware features into scene-specific representations.

Efficient Last-iterate Convergence Algorithms in Solving Games

no code implementations22 Aug 2023 Linjian Meng, Zhenxing Ge, Wenbin Li, Bo An, Yang Gao

Recent works propose a Reward Transformation (RT) framework for MWU, which removes the uniqueness condition and achieves competitive performance with OMWU.

counterfactual

Where and How: Mitigating Confusion in Neural Radiance Fields from Sparse Inputs

1 code implementation5 Aug 2023 Yanqi Bao, Yuxin Li, Jing Huo, Tianyu Ding, Xinyue Liang, Wenbin Li, Yang Gao

Neural Radiance Fields from Sparse input} (NeRF-S) have shown great potential in synthesizing novel views with a limited number of observed viewpoints.

Attribute

Efficient Prediction of Peptide Self-assembly through Sequential and Graphical Encoding

1 code implementation17 Jul 2023 Zihan Liu, Jiaqi Wang, Yun Luo, Shuang Zhao, Wenbin Li, Stan Z. Li

In recent years, there has been an explosion of research on the application of deep learning to the prediction of various peptide properties, due to the significant development and market potential of peptides.

Benchmarking Deep Learning

Unleashing Realistic Air Quality Forecasting: Introducing the Ready-to-Use PurpleAirSF Dataset

1 code implementation24 Jun 2023 Jingwei Zuo, Wenbin Li, Michele Baldo, Hakim Hacid

Air quality forecasting has garnered significant attention recently, with data-driven models taking center stage due to advancements in machine learning and deep learning models.

Spatio-Temporal Forecasting

Causal Discovery from Temporal Data: An Overview and New Perspectives

no code implementations17 Mar 2023 Chang Gong, Di Yao, Chuzhe Zhang, Wenbin Li, Jingping Bi

Existing causal discovery works can be divided into two highly correlated categories according to whether the temporal data is calibrated, ie, multivariate time series causal discovery, and event sequence causal discovery.

Causal Discovery Time Series

RotoGBML: Towards Out-of-Distribution Generalization for Gradient-Based Meta-Learning

no code implementations12 Mar 2023 Min Zhang, Zifeng Zhuang, Zhitao Wang, Donglin Wang, Wenbin Li

OOD exacerbates inconsistencies in magnitudes and directions of task gradients, which brings challenges for GBML to optimize the meta-knowledge by minimizing the sum of task gradients in each minibatch.

Few-Shot Image Classification Meta-Learning +1

Visual Perception System for Autonomous Driving

no code implementations3 Mar 2023 Qi Zhang, Siyuan Gou, Wenbin Li

The recent surge in interest in autonomous driving stems from its rapidly developing capacity to enhance safety, efficiency, and convenience.

Autonomous Driving Camera Localization +4

Resource-Constrained Station-Keeping for Helium Balloons using Reinforcement Learning

no code implementations2 Mar 2023 Jack Saunders, Loïc Prenevost, Özgür Şimşek, Alan Hunter, Wenbin Li

Very recently, reinforcement learning has been proposed as a control scheme to maintain the balloon in the region of a fixed location, facilitated through diverse opposing wind-fields at different altitudes.

continuous-control Continuous Control +4

A Comprehensive Review and a Taxonomy of Edge Machine Learning: Requirements, Paradigms, and Techniques

no code implementations16 Feb 2023 Wenbin Li, Hakim Hacid, Ebtesam Almazrouei, Merouane Debbah

Nevertheless, edge-powered ML solutions are more complex to realize due to the joint constraints from both edge computing and AI domains, and the corresponding solutions are expected to be efficient and adapted in technologies such as data processing, model compression, distributed inference, and advanced learning paradigms for Edge ML requirements.

Edge-computing Model Compression

MAP: Towards Balanced Generalization of IID and OOD through Model-Agnostic Adapters

1 code implementation ICCV 2023 Min Zhang, Junkun Yuan, Yue He, Wenbin Li, Zhengyu Chen, Kun Kuang

To achieve this goal, we apply a bilevel optimization to explicitly model and optimize the coupling relationship between the OOD model and auxiliary adapter layers.

Bilevel Optimization Inductive Bias

A Unified Framework for Contrastive Learning from a Perspective of Affinity Matrix

no code implementations26 Nov 2022 Wenbin Li, Meihao Kong, Xuesong Yang, Lei Wang, Jing Huo, Yang Gao, Jiebo Luo

In this study, we present a new unified contrastive learning representation framework (named UniCLR) suitable for all the above four kinds of methods from a novel perspective of basic affinity matrix.

Contrastive Learning Representation Learning

Learning Explicit Credit Assignment for Cooperative Multi-Agent Reinforcement Learning via Polarization Policy Gradient

1 code implementation10 Oct 2022 Wubing Chen, Wenbin Li, Xiao Liu, Shangdong Yang, Yang Gao

Empirically, we evaluate MAPPG on the well-known matrix game and differential game, and verify that MAPPG can converge to the global optimum for both discrete and continuous action spaces.

Multi-agent Reinforcement Learning reinforcement-learning +3

Deep object detection for waterbird monitoring using aerial imagery

1 code implementation10 Oct 2022 Krish Kabra, Alexander Xiong, Wenbin Li, Minxuan Luo, William Lu, Raul Garcia, Dhananjay Vijay, Jiahui Yu, Maojie Tang, Tianjiao Yu, Hank Arnold, Anna Vallery, Richard Gibbons, Arko Barman

In this work, we present a deep learning pipeline that can be used to precisely detect, count, and monitor waterbirds using aerial imagery collected by a commercial drone.

Management Object +1

Modeling Inter-Class and Intra-Class Constraints in Novel Class Discovery

1 code implementation CVPR 2023 Wenbin Li, Zhichen Fan, Jing Huo, Yang Gao

Specifically, we propose an inter-class sKLD constraint to effectively exploit the disjoint relationship between labelled and unlabelled classes, enforcing the separability for different classes in the embedding space.

Novel Class Discovery

Dense RGB-D-Inertial SLAM with Map Deformations

no code implementations22 Jul 2022 Tristan Laidlow, Michael Bloesch, Wenbin Li, Stefan Leutenegger

While dense visual SLAM methods are capable of estimating dense reconstructions of the environment, they suffer from a lack of robustness in their tracking step, especially when the optimisation is poorly initialised.

3D Reconstruction

Tree Structure-Aware Few-Shot Image Classification via Hierarchical Aggregation

1 code implementation14 Jul 2022 Min Zhang, Siteng Huang, Wenbin Li, Donglin Wang

To solve this problem, we present a plug-in Hierarchical Tree Structure-aware (HTS) method, which not only learns the relationship of FSL and pretext tasks, but more importantly, can adaptively select and aggregate feature representations generated by pretext tasks to maximize the performance of FSL tasks.

Few-Shot Image Classification Few-Shot Learning

Playing Lottery Tickets in Style Transfer Models

no code implementations25 Mar 2022 Meihao Kong, Jing Huo, Wenbin Li, Jing Wu, Yu-Kun Lai, Yang Gao

(2) Using iterative magnitude pruning, we find the matching subnetworks at 89. 2% sparsity in AdaIN and 73. 7% sparsity in SANet, which demonstrates that style transfer models can play lottery tickets too.

Style Transfer

Keeping Minimal Experience to Achieve Efficient Interpretable Policy Distillation

no code implementations2 Mar 2022 Xiao Liu, Shuyang Liu, Wenbin Li, Shangdong Yang, Yang Gao

Although deep reinforcement learning has become a universal solution for complex control tasks, its real-world applicability is still limited because lacking security guarantees for policies.

Deep Reinforcement Learning

Attention-based Interpretation and Response to The Trade-Off of Adversarial Training

no code implementations29 Sep 2021 Changbin Shao, Wenbin Li, ZhenHua Feng, Jing Huo, Yang Gao

To boost the robustness of a model against adversarial examples, adversarial training has been regarded as a benchmark method.

LibFewShot: A Comprehensive Library for Few-shot Learning

2 code implementations10 Sep 2021 Wenbin Li, Ziyi, Wang, Xuesong Yang, Chuanqi Dong, Pinzhuo Tian, Tiexin Qin, Jing Huo, Yinghuan Shi, Lei Wang, Yang Gao, Jiebo Luo

Furthermore, based on LibFewShot, we provide comprehensive evaluations on multiple benchmarks with various backbone architectures to evaluate common pitfalls and effects of different training tricks.

Data Augmentation Few-Shot Image Classification +2

Trip-ROMA: Self-Supervised Learning with Triplets and Random Mappings

1 code implementation22 Jul 2021 Wenbin Li, Xuesong Yang, Meihao Kong, Lei Wang, Jing Huo, Yang Gao, Jiebo Luo

However, in small data regimes, we can not obtain a sufficient number of negative pairs or effectively avoid the over-fitting problem when negatives are not used at all.

Representation Learning Self-Supervised Learning +2

LoFGAN: Fusing Local Representations for Few-Shot Image Generation

1 code implementation ICCV 2021 Zheng Gu, Wenbin Li, Jing Huo, Lei Wang, Yang Gao

Given only a few available images for a novel unseen category, few-shot image generation aims to generate more data for this category.

Generative Adversarial Network Image Generation

CariMe: Unpaired Caricature Generation with Multiple Exaggerations

2 code implementations1 Oct 2020 Zheng Gu, Chuanqi Dong, Jing Huo, Wenbin Li, Yang Gao

Previous caricature generation methods are obsessed with predicting definite image warping from a given photo while ignoring the intrinsic representation and distribution for exaggerations in caricatures.

Caricature Image-to-Image Translation

Embedded Deep Bilinear Interactive Information and Selective Fusion for Multi-view Learning

no code implementations13 Jul 2020 Jinglin Xu, Wenbin Li, Jiantao Shen, Xinwang Liu, Peicheng Zhou, Xiangsen Zhang, Xiwen Yao, Junwei Han

That is, we seamlessly embed various intra-view information, cross-view multi-dimension bilinear interactive information, and a new view ensemble mechanism into a unified framework to make a decision via the optimization.

Classification General Classification +1

Manifold Alignment for Semantically Aligned Style Transfer

1 code implementation ICCV 2021 Jing Huo, Shiyin Jin, Wenbin Li, Jing Wu, Yu-Kun Lai, Yinghuan Shi, Yang Gao

In this paper, we make a new assumption that image features from the same semantic region form a manifold and an image with multiple semantic regions follows a multi-manifold distribution.

Semantic Segmentation Style Transfer

Alleviating the Incompatibility between Cross Entropy Loss and Episode Training for Few-shot Skin Disease Classification

no code implementations21 Apr 2020 Wei Zhu, Haofu Liao, Wenbin Li, Weijian Li, Jiebo Luo

Inspired by the recent success of Few-Shot Learning (FSL) in natural image classification, we propose to apply FSL to skin disease identification to address the extreme scarcity of training sample problem.

Few-Shot Learning General Classification +2

RGBD-Dog: Predicting Canine Pose from RGBD Sensors

1 code implementation CVPR 2020 Sinead Kearney, Wenbin Li, Martin Parsons, Kwang In Kim, Darren Cosker

We evaluate our model on both synthetic and real RGBD images and compare our results to previously published work fitting canine models to images.

Pose Estimation Pose Prediction

Diversity Helps: Unsupervised Few-shot Learning via Distribution Shift-based Data Augmentation

1 code implementation13 Apr 2020 Tiexin Qin, Wenbin Li, Yinghuan Shi, Yang Gao

Importantly, we highlight the value and importance of the distribution diversity in the augmentation-based pretext few-shot tasks, which can effectively alleviate the overfitting problem and make the few-shot model learn more robust feature representations.

Data Augmentation Diversity +2

Asymmetric Distribution Measure for Few-shot Learning

no code implementations1 Feb 2020 Wenbin Li, Lei Wang, Jing Huo, Yinghuan Shi, Yang Gao, Jiebo Luo

Given the natural asymmetric relation between a query image and a support class, we argue that an asymmetric measure is more suitable for metric-based few-shot learning.

Few-Shot Image Classification Few-Shot Learning

Semantic Regularization: Improve Few-shot Image Classification by Reducing Meta Shift

no code implementations18 Dec 2019 Da Chen, Yong-Liang Yang, Zunlei Feng, Xiang Wu, Mingli Song, Wenbin Li, Yuan He, Hui Xue, Feng Mao

This strategy leads to severe meta shift issues across multiple tasks, meaning the learned prototypes or class descriptors are not stable as each task only involves their own support set.

Decoder Few-Shot Image Classification +2

Defensive Few-shot Learning

1 code implementation16 Nov 2019 Wenbin Li, Lei Wang, Xingxing Zhang, Lei Qi, Jing Huo, Yang Gao, Jiebo Luo

(2) how to narrow the distribution gap between clean and adversarial examples under the few-shot setting?

Adversarial Defense Few-Shot Learning

Revisiting Local Descriptor based Image-to-Class Measure for Few-shot Learning

1 code implementation CVPR 2019 Wenbin Li, Lei Wang, Jinglin Xu, Jing Huo, Yang Gao, Jiebo Luo

Its key difference from the literature is the replacement of the image-level feature based measure in the final layer by a local descriptor based image-to-class measure.

Few-Shot Image Classification Few-Shot Learning +1

MID-Fusion: Octree-based Object-Level Multi-Instance Dynamic SLAM

1 code implementation19 Dec 2018 Binbin Xu, Wenbin Li, Dimos Tzoumanikas, Michael Bloesch, Andrew Davison, Stefan Leutenegger

It can provide robust camera tracking in dynamic environments and at the same time, continuously estimate geometric, semantic, and motion properties for arbitrary objects in the scene.

Instance Segmentation Object +3

CariGAN: Caricature Generation through Weakly Paired Adversarial Learning

no code implementations1 Nov 2018 Wenbin Li, Wei Xiong, Haofu Liao, Jing Huo, Yang Gao, Jiebo Luo

Furthermore, an attention mechanism is introduced to encourage our model to focus on the key facial parts so that more vivid details in these regions can be generated.

Caricature Diversity

InteriorNet: Mega-scale Multi-sensor Photo-realistic Indoor Scenes Dataset

no code implementations3 Sep 2018 Wenbin Li, Sajad Saeedi, John McCormac, Ronald Clark, Dimos Tzoumanikas, Qing Ye, Yuzhong Huang, Rui Tang, Stefan Leutenegger

Datasets have gained an enormous amount of popularity in the computer vision community, from training and evaluation of Deep Learning-based methods to benchmarking Simultaneous Localization and Mapping (SLAM).

Benchmarking Simultaneous Localization and Mapping

A Multilayer Framework for Online Metric Learning

1 code implementation15 May 2018 Wenbin Li, Yanfang Liu, Jing Huo, Yinghuan Shi, Yang Gao, Lei Wang, Jiebo Luo

Furthermore, in a progressively and nonlinearly learning way, MLOML has a stronger learning ability than traditional online metric learning in the case of limited available training data.

Metric Learning Triplet

Acquiring Target Stacking Skills by Goal-Parameterized Deep Reinforcement Learning

no code implementations ICLR 2018 Wenbin Li, Jeannette Bohg, Mario Fritz

We created a synthetic block stacking environment with physics simulation in which the agent can learn a policy end-to-end through trial and error.

Deep Reinforcement Learning reinforcement-learning +1

Learn to Model Motion from Blurry Footages

no code implementations19 Apr 2017 Wenbin Li, Da Chen, Zhihan Lv, Yan Yan, Darren Cosker

It is difficult to recover the motion field from a real-world footage given a mixture of camera shake and other photometric effects.

Optical Flow Estimation

WebCaricature: a benchmark for caricature recognition

no code implementations9 Mar 2017 Jing Huo, Wenbin Li, Yinghuan Shi, Yang Gao, Hujun Yin

In this paper, a new caricature dataset is built, with the objective to facilitate research in caricature recognition.

Caricature Face Recognition

OPML: A One-Pass Closed-Form Solution for Online Metric Learning

no code implementations29 Sep 2016 Wenbin Li, Yang Gao, Lei Wang, Luping Zhou, Jing Huo, Yinghuan Shi

To achieve a low computational cost when performing online metric learning for large-scale data, we present a one-pass closed-form solution namely OPML in this paper.

Event Detection Face Verification +2

Visual Stability Prediction and Its Application to Manipulation

no code implementations15 Sep 2016 Wenbin Li, Aleš Leonardis, Mario Fritz

We present a learning-based approach based on simulated data that predicts stability of towers comprised of wooden blocks under different conditions and quantities related to the potential fall of the towers.

Dense Motion Estimation for Smoke

no code implementations7 Sep 2016 Da Chen, Wenbin Li, Peter Hall

We propose an algorithm for dense motion estimation of smoke.

Motion Estimation

To Fall Or Not To Fall: A Visual Approach to Physical Stability Prediction

no code implementations31 Mar 2016 Wenbin Li, Seyedmajid Azimi, Aleš Leonardis, Mario Fritz

In this paper, we contrast a more traditional approach of taking a model-based route with explicit 3D representations and physical simulation by an end-to-end approach that directly predicts stability and related quantities from appearance.

Drift Robust Non-rigid Optical Flow Enhancement for Long Sequences

no code implementations7 Mar 2016 Wenbin Li, Darren Cosker, Matthew Brown

We demonstrate the success of our approach by showing significant error reduction on 6 popular optical flow algorithms applied to a range of real-world nonrigid benchmarks.

Optical Flow Estimation

Blur Robust Optical Flow using Motion Channel

no code implementations7 Mar 2016 Wenbin Li, Yang Chen, JeeHang Lee, Gang Ren, Darren Cosker

It is hard to estimate optical flow given a realworld video sequence with camera shake and other motion blur.

Optical Flow Estimation

Learning Multi-Scale Representations for Material Classification

no code implementations13 Aug 2014 Wenbin Li, Mario Fritz

The recent progress in sparse coding and deep learning has made unsupervised feature learning methods a strong competitor to hand-crafted descriptors.

Classification General Classification +3

Optical Flow Estimation Using Laplacian Mesh Energy

no code implementations CVPR 2013 Wenbin Li, Darren Cosker, Matthew Brown, Rui Tang

In this paper we present a novel non-rigid optical flow algorithm for dense image correspondence and non-rigid registration.

Optical Flow Estimation

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