Search Results for author: Bo Lin

Found 23 papers, 5 papers with code

Computing committor functions for the study of rare events using deep learning with importance sampling

no code implementations ICLR 2019 Qianxiao Li, Bo Lin, Weiqing Ren

The committor function is a central object of study in understanding transitions between metastable states in complex systems.

Feature Engineering

Deep Learning Method for Computing Committor Functions with Adaptive Sampling

no code implementations9 Apr 2024 Bo Lin, Weiqing Ren

In this work, we propose a deep learning method with two novel adaptive sampling schemes (I and II).

Texture Classification Network Integrating Adaptive Wavelet Transform

no code implementations8 Apr 2024 Su-Xi Yu, Jing-Yuan He, Yi Wang, Yu-Jiao Cai, Jun Yang, Bo Lin, Wei-Bin Yang, Jian Ruan

Graves' disease is a common condition that is diagnosed clinically by determining the smoothness of the thyroid texture and its morphology in ultrasound images.

Classification Texture Classification

Computing Transition Pathways for the Study of Rare Events Using Deep Reinforcement Learning

no code implementations8 Apr 2024 Bo Lin, Yangzheng Zhong, Weiqing Ren

In fact, computing the transition pathway is a challenging task for complex and high-dimensional systems.

Environment Reconstruction based on Multi-User Selection and Multi-Modal Fusion in ISAC

no code implementations26 Mar 2024 Bo Lin, Chuanbin Zhao, Feifei Gao, Geoffrey Ye Li

Integrated sensing and communications (ISAC) has been deemed as a key technology for the sixth generation (6G) wireless communications systems.

Moving Target Sensing for ISAC Systems in Clutter Environment

no code implementations3 Nov 2023 Dongqi Luo, Huihui Wu, Hongliang Luo, Bo Lin, Feifei Gao

In this paper, we consider the moving target sensing problem for integrated sensing and communication (ISAC) systems in clutter environment.

Boosting Generalization with Adaptive Style Techniques for Fingerprint Liveness Detection

no code implementations20 Oct 2023 Kexin Zhu, Bo Lin, Yang Qiu, Adam Yule, Yao Tang, Jiajun Liang

We introduce a high-performance fingerprint liveness feature extraction technique that secured first place in LivDet 2023 Fingerprint Representation Challenge.

Style Transfer

AutoLTS: Automating Cycling Stress Assessment via Contrastive Learning and Spatial Post-processing

no code implementations15 Aug 2023 Bo Lin, Shoshanna Saxe, Timothy C. Y. Chan

Cycling stress assessment, which quantifies cyclists' perceived stress imposed by the built environment and motor traffics, increasingly informs cycling infrastructure planning and cycling route recommendation.

Contrastive Learning

PDE+: Enhancing Generalization via PDE with Adaptive Distributional Diffusion

1 code implementation25 May 2023 Yige Yuan, Bingbing Xu, Bo Lin, Liang Hou, Fei Sun, HuaWei Shen, Xueqi Cheng

The generalization of neural networks is a central challenge in machine learning, especially concerning the performance under distributions that differ from training ones.

Data Augmentation

A Generalized Semantic Communication System: from Sources to Channels

no code implementations11 Jan 2023 Zhijin Qin, Feifei Gao, Bo Lin, Xiaoming Tao, Guangyi Liu, Chengkang Pan

This article introduces a framework for generalized semantic communication system, which exploits the semantic information in both the multimodal source and the wireless channel environment.

SimpleDG: Simple Domain Generalization Baseline without Bells and Whistles

1 code implementation26 Oct 2022 Zhi Lv, Bo Lin, Siyuan Liang, Lihua Wang, Mochen Yu, Yao Tang, Jiajun Liang

We present a simple domain generalization baseline, which wins second place in both the common context generalization track and the hybrid context generalization track respectively in NICO CHALLENGE 2022.

Domain Generalization

Machine Learning-Augmented Optimization of Large Bilevel and Two-stage Stochastic Programs: Application to Cycling Network Design

no code implementations20 Sep 2022 Timothy C. Y. Chan, Bo Lin, Shoshanna Saxe

We prove bounds on the optimality gap of the generated leader decision as measured by the original objective that considers the full follower set.

Representation Learning

Efficient One Pass Self-distillation with Zipf's Label Smoothing

1 code implementation26 Jul 2022 Jiajun Liang, Linze Li, Zhaodong Bing, Borui Zhao, Yao Tang, Bo Lin, Haoqiang Fan

This paper proposes an efficient self-distillation method named Zipf's Label Smoothing (Zipf's LS), which uses the on-the-fly prediction of a network to generate soft supervision that conforms to Zipf distribution without using any contrastive samples or auxiliary parameters.

Multi-Camera View Based Proactive BS Selection and Beam Switching for V2X

no code implementations12 Jul 2022 Bo Lin, Feifei Gao, Yong Zhang, Chengkang Pan, Guangyi Liu

In this paper, we proposed a multi-camera view based proactive BS selection and beam switching that can predict the optimal BS of the user in the future frame and switch the corresponding beam pair.

Multi-Task Learning

Deep Learning based Antenna Selection and CSI Extrapolation in Massive MIMO Systems

no code implementations18 Jan 2021 Bo Lin, Feifei Gao, Shun Zhang, Ting Zhou, Ahmed Alkhateeb

A critical bottleneck of massive multiple-input multiple-output (MIMO) system is the huge training overhead caused by downlink transmission, like channel estimation, downlink beamforming and covariance observation.

Combinatorial Optimization

A Data Driven Method for Computing Quasipotentials

no code implementations13 Dec 2020 Bo Lin, Qianxiao Li, Weiqing Ren

The quasipotential is a natural generalization of the concept of energy functions to non-equilibrium systems.

Deep Reinforcement Learning for Electric Vehicle Routing Problem with Time Windows

no code implementations5 Oct 2020 Bo Lin, Bissan Ghaddar, Jatin Nathwani

The past decade has seen a rapid penetration of electric vehicles (EV) in the market, more and more logistics and transportation companies start to deploy EVs for service provision.

Graph Embedding reinforcement-learning +1

Bounding The Number of Linear Regions in Local Area for Neural Networks with ReLU Activations

no code implementations14 Jul 2020 Rui Zhu, Bo Lin, Haixu Tang

In this paper, we present the first method to estimate the upper bound of the number of linear regions in any sphere in the input space of a given ReLU neural network.

Tropical Optimal Transport and Wasserstein Distances

1 code implementation13 Nov 2019 Wonjun Lee, Wuchen Li, Bo Lin, Anthea Monod

We study the problem of optimal transport in tropical geometry and define the Wasserstein-$p$ distances in the continuous metric measure space setting of the tropical projective torus.

Optimization and Control Metric Geometry Statistics Theory Statistics Theory

Computing Committor Functions for the Study of Rare Events Using Deep Learning

no code implementations14 Jun 2019 Qianxiao Li, Bo Lin, Weiqing Ren

The committor function is a central object of study in understanding transitions between metastable states in complex systems.

Feature Engineering

Linear and Rational Factorization of Tropical Polynomials

1 code implementation11 Jul 2017 Bo Lin, Ngoc Mai Tran

Already for bivariate tropical polynomials, factorization is an NP-Complete problem.

Combinatorics

Demand-Driven Incremental Object Queries

no code implementations14 Nov 2015 Yanhong A. Liu, Jon Brandvein, Scott D. Stoller, Bo Lin

Object queries are essential in information seeking and decision making in vast areas of applications.

Decision Making Object

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