Search Results for author: Yan Chen

Found 49 papers, 7 papers with code

Gender Bias in Natural Language Processing Across Human Languages

no code implementations NAACL (TrustNLP) 2021 Abigail Matthews, Isabella Grasso, Christopher Mahoney, Yan Chen, Esma Wali, Thomas Middleton, Mariama Njie, Jeanna Matthews

In this paper, a team including speakers of 9 languages - Chinese, Spanish, English, Arabic, German, French, Farsi, Urdu, and Wolof - reports and analyzes measurements of gender bias in the Wikipedia corpora for these 9 languages.

Decision Making

Towards Generalizeable Semantic Product Search by Text Similarity Pre-training on Search Click Logs

no code implementations ECNLP (ACL) 2022 Zheng Liu, Wei zhang, Yan Chen, Weiyi Sun, Tianchuan Du, Benjamin Schroeder

Recently, semantic search has been successfully applied to E-commerce product search and the learned semantic space for query and product encoding are expected to generalize well to unseen queries or products.

text similarity

Roadblocks in Gender Bias Measurement for Diachronic Corpora

1 code implementation LChange (ACL) 2022 Saied Alshahrani, Esma Wali, Abdullah R Alshamsan, Yan Chen, Jeanna Matthews

The use of word embeddings is an important NLP technique for extracting meaningful conclusions from corpora of human text.

Word Embeddings

MMST-ViT: Climate Change-aware Crop Yield Prediction via Multi-Modal Spatial-Temporal Vision Transformer

1 code implementation16 Sep 2023 Fudong Lin, Summer Crawford, Kaleb Guillot, Yihe Zhang, Yan Chen, Xu Yuan, Li Chen, Shelby Williams, Robert Minvielle, Xiangming Xiao, Drew Gholson, Nicolas Ashwell, Tri Setiyono, Brenda Tubana, Lu Peng, Magdy Bayoumi, Nian-Feng Tzeng

In this work, we develop a deep learning-based solution, namely Multi-Modal Spatial-Temporal Vision Transformer (MMST-ViT), for predicting crop yields at the county level across the United States, by considering the effects of short-term meteorological variations during the growing season and the long-term climate change on crops.

Contrastive Learning Crop Yield Prediction +1

DiLogics: Creating Web Automation Programs With Diverse Logics

no code implementations10 Aug 2023 Kevin Pu, Jim Yang, Angel Yuan, Minyi Ma, Rui Dong, Xinyu Wang, Yan Chen, Tovi Grossman

Knowledge workers frequently encounter repetitive web data entry tasks, like updating records or placing orders.

Deep Factor Model: A Novel Approach for Motion Compensated Multi-Dimensional MRI

no code implementations31 Mar 2023 Yan Chen, James H. Holmes, Curtis Corum, Vincent Magnotta, Mathews Jacob

Recent quantitative parameter mapping methods including MR fingerprinting (MRF) collect a time series of images that capture the evolution of magnetization.

Motion Estimation Time Series

Risk-Aware Objective-Based Forecasting in Inertia Management

no code implementations21 Mar 2023 Haipeng Zhang, Ran Li, Yan Chen, Zhongda Chu, Mingyang Sun, Fei Teng

The objective-based forecasting considers the asymmetric and non-linear impacts of forecasting errors on decision objectives, thus improving the effectiveness of its downstream decision-making process.

Decision Making Management

SMoA: Sparse Mixture of Adapters to Mitigate Multiple Dataset Biases

no code implementations28 Feb 2023 Yanchen Liu, Jing Yan, Yan Chen, Jing Liu, Hua Wu

Recent studies reveal that various biases exist in different NLP tasks, and over-reliance on biases results in models' poor generalization ability and low adversarial robustness.

Adversarial Robustness Natural Language Inference +1

RFPose-OT: RF-Based 3D Human Pose Estimation via Optimal Transport Theory

no code implementations26 Dec 2022 Cong Yu, Dongheng Zhang, Zhi Wu, Zhi Lu, Chunyang Xie, Yang Hu, Yan Chen

Different from existing methods that predict human poses from RF signals on the signal level directly, we consider the structure difference between the RF signals and the human poses, propose to transform the RF signals to the pose domain on the feature level based on Optimal Transport (OT) theory, and generate human poses from the transformed features.

3D Human Pose Estimation

An Ontology for the Social Determinants of Health Domain

no code implementations15 Nov 2022 Navya Martin Kollapally, Yan Chen, Julia Xu, James Geller

We present a prototype ontology called Social Determinant of Health Ontology (SOHO) that covers relevant concepts and IS--A relationships describing impacts and associations of social determinants.

A monitoring framework for deployed machine learning models with supply chain examples

no code implementations11 Nov 2022 Bradley Eck, Duygu Kabakci-Zorlu, Yan Chen, France Savard, Xiaowei Bao

We use our implementation to study drift in model features, predictions, and performance on three real data sets.

Self-Supervised Intensity-Event Stereo Matching

no code implementations1 Nov 2022 Jinjin Gu, Jinan Zhou, Ringo Sai Wo Chu, Yan Chen, Jiawei Zhang, Xuanye Cheng, Song Zhang, Jimmy S. Ren

Event cameras are novel bio-inspired vision sensors that output pixel-level intensity changes in microsecond accuracy with a high dynamic range and low power consumption.

Self-Supervised Learning Stereo Matching

Decentralized Policy Gradient for Nash Equilibria Learning of General-sum Stochastic Games

no code implementations14 Oct 2022 Yan Chen, Tao Li

For the case with exact pseudo gradients, we design a two-loop algorithm by the equivalence of Nash equilibrium and variational inequality problems.

Less Learn Shortcut: Analyzing and Mitigating Learning of Spurious Feature-Label Correlation

1 code implementation25 May 2022 Yanrui Du, Jing Yan, Yan Chen, Jing Liu, Sendong Zhao, Qiaoqiao She, Hua Wu, Haifeng Wang, Bing Qin

In this study, we focus on the spurious correlation between word features and labels that models learn from the biased data distribution of training data.

Natural Language Inference Sentiment Analysis

Noise-Tolerant Learning for Audio-Visual Action Recognition

no code implementations16 May 2022 Haochen Han, Qinghua Zheng, Minnan Luo, Kaiyao Miao, Feng Tian, Yan Chen

To address this challenge, we use the audio-visual action recognition task as a proxy and propose a noise-tolerant learning framework to find anti-interference model parameters against both noisy labels and noisy correspondence.

Action Recognition Noise Estimation +1

Towards Generalizable Semantic Product Search by Text Similarity Pre-training on Search Click Logs

no code implementations11 Apr 2022 Zheng Liu, Wei zhang, Yan Chen, Weiyi Sun, Tianchuan Du, Benjamin Schroeder

Recently, semantic search has been successfully applied to e-commerce product search and the learned semantic space(s) for query and product encoding are expected to generalize to unseen queries or products.

text similarity

Deep Learning Serves Traffic Safety Analysis: A Forward-looking Review

no code implementations7 Mar 2022 Abolfazl Razi, Xiwen Chen, Huayu Li, Hao Wang, Brendan Russo, Yan Chen, Hongbin Yu

This paper explores Deep Learning (DL) methods that are used or have the potential to be used for traffic video analysis, emphasizing driving safety for both Autonomous Vehicles (AVs) and human-operated vehicles.

Anomaly Detection Autonomous Vehicles +5

Integrated routing for a vehicle-robot pickup and delivery system with time constraints

no code implementations9 Feb 2022 Yongjian Li, Yan Chen, Gaicong Guo, Huiwen Wu, Zhao Yuan

This paper considers an unmanned vehicle-robot pickup and delivery system, in which a self-driving vehicle carrying multiple unmanned robots in the form of the mother ship travels from a depot to a number of stations distributed in a neighborhood to perform multiple pickup and delivery services.

RFMask: A Simple Baseline for Human Silhouette Segmentation with Radio Signals

no code implementations25 Jan 2022 Zhi Wu, Dongheng Zhang, Chunyang Xie, Cong Yu, Jinbo Chen, Yang Hu, Yan Chen

To overcome such limitations, in this paper, we propose to utilize the radio signals, which can traverse obstacles and are unaffected by the lighting conditions to achieve silhouette segmentation.

Human Detection

Multi-Person Passive WiFi Indoor Localization with Intelligent Reflecting Surface

no code implementations5 Jan 2022 Ganlin Zhang, Dongheng Zhang, Ying He, Jinbo Chen, Fang Zhou, Yan Chen

The past years have witnessed increasing research interest in achieving passive human localization with commodity WiFi devices.

Indoor Localization

Radio-Assisted Human Detection

no code implementations16 Dec 2021 Chengrun Qiu, Dongheng Zhang, Yang Hu, Houqiang Li, Qibin Sun, Yan Chen

In this paper, we propose a radio-assisted human detection framework by incorporating radio information into the state-of-the-art detection methods, including anchor-based onestage detectors and two-stage detectors.

Human Detection Region Proposal

DuQM: A Chinese Dataset of Linguistically Perturbed Natural Questions for Evaluating the Robustness of Question Matching Models

1 code implementation16 Dec 2021 Hongyu Zhu, Yan Chen, Jing Yan, Jing Liu, Yu Hong, Ying Chen, Hua Wu, Haifeng Wang

For this purpose, we create a Chinese dataset namely DuQM which contains natural questions with linguistic perturbations to evaluate the robustness of question matching models.

Natural Questions

Contactless Electrocardiogram Monitoring with Millimeter Wave Radar

no code implementations13 Dec 2021 Jinbo Chen, Dongheng Zhang, Zhi Wu, Fang Zhou, Qibin Sun, Yan Chen

Specifically, we develop a millimeter-wave radar system to contactlessly measure cardiac mechanical activity and reconstruct ECG without any contact in.

RFGAN: RF-Based Human Synthesis

no code implementations7 Dec 2021 Cong Yu, Zhi Wu, Dongheng Zhang, Zhi Lu, Yang Hu, Yan Chen

To the best of our knowledge, this is the first work to generate optical images based on RF signals.

Frequency Fitness Assignment: Optimization without Bias for Good Solutions can be Efficient

no code implementations1 Dec 2021 Thomas Weise, Zhize Wu, Xinlu Li, Yan Chen, Jörg Lässig

A fitness assignment process transforms the features (such as the objective value) of a candidate solution to a scalar fitness, which then is the basis for selection.

High-Resolution WiFi Imaging with Reconfigurable Intelligent Surfaces

no code implementations1 Dec 2021 Ying He, Dongheng Zhang, Yan Chen

Thus, in this paper, we propose a RIS-aided WiFi imaging framework to achieve high-resolution imaging with the off-the-shelf WiFi devices.

Privacy Preserving Quantization +3

Unsupervised Domain Adaptation for Device-free Gesture Recognition

no code implementations20 Nov 2021 Bin-Bin Zhang, Dongheng Zhang, Yadong Li, Yang Hu, Yan Chen

To tackle this challenge, we propose an unsupervised domain adaptation framework for device free gesture recognition by making effective use of the unlabeled target domain data.

Data Augmentation Gesture Recognition +1

Towards Domain-Independent and Real-Time Gesture Recognition Using mmWave Signal

1 code implementation11 Nov 2021 Yadong Li, Dongheng Zhang, Jinbo Chen, Jinwei Wan, Dong Zhang, Yang Hu, Qibin Sun, Yan Chen

To enhance the robustness of the system and reduce data collecting efforts, we design a data augmentation framework for mmWave signals based on correlations between signal patterns and gesture variations.

Data Augmentation Gesture Recognition

Personalized Outfit Recommendation With Learnable Anchors

no code implementations CVPR 2021 Zhi Lu, Yang Hu, Yan Chen, Bing Zeng

To accommodate the variety of users' preferences, we characterize each user with a set of anchors, i. e. a group of learnable latent vectors in the outfit space that are the representatives of the outfits the user likes.

Recent Advances on Non-Line-of-Sight Imaging: Conventional Physical Models, Deep Learning, and New Scenes

no code implementations28 Apr 2021 Ruixu Geng, Yang Hu, Yan Chen

As an emerging technology that has attracted huge attention, non-line-of-sight (NLOS) imaging can reconstruct hidden objects by analyzing the diffuse reflection on a relay surface, with broad application prospects in the fields of autonomous driving, medical imaging, and defense.

Autonomous Driving

Cyclic Arbitrage in Decentralized Exchanges

no code implementations21 Apr 2021 Ye Wang, Yan Chen, Haotian Wu, Liyi Zhou, Shuiguang Deng, Roger Wattenhofer

We find that traders have executed 292, 606 cyclic arbitrages over eleven months and exploited more than 138 million USD in revenue.

Three-dimensional Kinematic Metamaterial with tuneable directional permeability

no code implementations17 Feb 2021 Yunfang Yang, Perla Maiolino, Yan Chen, Zhong You

Reconfigurable metamaterials are constructed from tessellation of deformable modules that give rise to a set of tuneable properties.

Applied Physics

Deep Learning Based Equalizer for MIMO-OFDM Systems with Insufficient Cyclic Prefix

no code implementations23 Jul 2020 Yan Sun, Chao Wang, Huan Cai, Chunming Zhao, Yiqun Wu, Yan Chen

In this paper, we study the equalization design for multiple-input multiple-output (MIMO) orthogonal frequency division multiplexing (OFDM) systems with insufficient cyclic prefix (CP).

Is Machine Learning Speaking my Language? A Critical Look at the NLP-Pipeline Across 8 Human Languages

no code implementations11 Jul 2020 Esma Wali, Yan Chen, Christopher Mahoney, Thomas Middleton, Marzieh Babaeianjelodar, Mariama Njie, Jeanna Neefe Matthews

Natural Language Processing (NLP) is increasingly used as a key ingredient in critical decision-making systems such as resume parsers used in sorting a list of job candidates.

Decision Making

Bayesian Inversion Of Generative Models For Geologic Storage Of Carbon Dioxide

no code implementations8 Jan 2020 Gavin H. Graham, Yan Chen

Carbon capture and storage (CCS) can aid decarbonization of the atmosphere to limit further global temperature increases.

Modeling e-Learners' Cognitive and Metacognitive Strategy in Comparative Question Solving

no code implementations4 Jun 2019 Feng Tian, Jia Yue, Kuo-Ming Chao, Buyue Qian, Nazaraf Shah, Longzhuang Li, Haiping Zhu, Yan Chen, Bin Zeng, Qinghua Zheng

from "The C Programming Language" course and "What are similarities and differences between packet switching and circuit switching?"

Generalizing Monocular 3D Human Pose Estimation in the Wild

1 code implementation11 Apr 2019 Luyang Wang, Yan Chen, Zhenhua Guo, Keyuan Qian, Mude Lin, Hongsheng Li, Jimmy S. Ren

We observe that recent innovation in this area mainly focuses on new techniques that explicitly address the generalization issue when using this dataset, because this database is constructed in a highly controlled environment with limited human subjects and background variations.

3D Pose Estimation Monocular 3D Human Pose Estimation

Very Power Efficient Neural Time-of-Flight

no code implementations19 Dec 2018 Yan Chen, Jimmy Ren, Xuanye Cheng, Keyuan Qian, Jinwei Gu

Therefore, the design of a power efficient ToF camera always creates a painful dilemma for the illumination and the performance trade-off.

AliMe Chat: A Sequence to Sequence and Rerank based Chatbot Engine

no code implementations ACL 2017 Minghui Qiu, Feng-Lin Li, Siyu Wang, Xing Gao, Yan Chen, Weipeng Zhao, Haiqing Chen, Jun Huang, Wei Chu

We propose AliMe Chat, an open-domain chatbot engine that integrates the joint results of Information Retrieval (IR) and Sequence to Sequence (Seq2Seq) based generation models.

Chatbot Information Retrieval +1

DroidNative: Semantic-Based Detection of Android Native Code Malware

no code implementations15 Feb 2016 Shahid Alam, Zhengyang Qu, Ryan Riley, Yan Chen, Vaibhav Rastogi

This paper proposes DroidNative, an Android malware detector that uses specific control flow patterns to reduce the effect of obfuscations, provides automation and platform independence, and as far as we know is the first system that operates at the Android native code level, allowing it to detect malware embedded in both native code and bytecode.

Cryptography and Security

Principled Evaluation of Differentially Private Algorithms using DPBench

1 code implementation15 Dec 2015 Michael Hay, Ashwin Machanavajjhala, Gerome Miklau, Yan Chen, Dan Zhang

Differential privacy has become the dominant standard in the research community for strong privacy protection.

Databases Cryptography and Security

Differentially Private Algorithms for Empirical Machine Learning

no code implementations20 Nov 2014 Ben Stoddard, Yan Chen, Ashwin Machanavajjhala

In this paper, we develop differentially private algorithms that mirror real world empirical machine learning workflows.

BIG-bench Machine Learning General Classification

Distributed Adaptive Networks: A Graphical Evolutionary Game-Theoretic View

no code implementations6 Dec 2012 Chunxiao Jiang, Yan Chen, K. J. Ray Liu

In this paper, we study the adaptive network from the game theoretic perspective and formulate the distributed adaptive filtering problem as a graphical evolutionary game.

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