Search Results for author: Boyu Zhang

Found 32 papers, 7 papers with code

Mechanical Characterization and Inverse Design of Stochastic Architected Metamaterials Using Neural Operators

no code implementations23 Nov 2023 Hanxun Jin, Enrui Zhang, Boyu Zhang, Sridhar Krishnaswamy, George Em Karniadakis, Horacio D. Espinosa

Our work marks a significant advancement in the field of materials-by-design, potentially heralding a new era in the discovery and development of next-generation metamaterials with unparalleled mechanical characteristics derived directly from experimental insights.

Instruct-FinGPT: Financial Sentiment Analysis by Instruction Tuning of General-Purpose Large Language Models

1 code implementation22 Jun 2023 Boyu Zhang, Hongyang Yang, Xiao-Yang Liu

Sentiment analysis is a vital tool for uncovering insights from financial articles, news, and social media, shaping our understanding of market movements.

Sentiment Analysis

Kinship can hinder cooperation in heterogeneous populations

no code implementations30 May 2023 Boyu Zhang, Yali Dong, Cheng-Zhong Qin, Sergey Gavrilets

Two sets of interrelated results are established: a set of analytical results focusing on the subgame perfect equilibrium and a set of agent-based simulation results based on an evolutionary game model.

Data-aware customization of activation functions reduces neural network error

no code implementations16 Jan 2023 Fuchang Gao, Boyu Zhang

Activation functions play critical roles in neural networks, yet current off-the-shelf neural networks pay little attention to the specific choice of activation functions used.

Image Classification

High-Quality Real-Time Rendering Using Subpixel Sampling Reconstruction

no code implementations3 Jan 2023 Boyu Zhang, Hongliang Yuan, Mingyan Zhu, Ligang Liu, Jue Wang

Generating high-quality, realistic rendering images for real-time applications generally requires tracing a few samples-per-pixel (spp) and using deep learning-based approaches to denoise the resulting low-spp images.

2k Denoising

Detachable Novel Views Synthesis of Dynamic Scenes Using Distribution-Driven Neural Radiance Fields

1 code implementation1 Jan 2023 Boyu Zhang, Wenbo Xu, Zheng Zhu, Guan Huang

Specifically, it employs a neural representation to capture the scene distribution in the static background and a 6D-input NeRF to represent dynamic objects, respectively.

Autonomous Driving

TextRGNN: Residual Graph Neural Networks for Text Classification

no code implementations30 Dec 2021 Jiayuan Chen, Boyu Zhang, Yinfei Xu, Meng Wang

Recently, text classification model based on graph neural network (GNN) has attracted more and more attention.

Language Modelling text-classification +1

Auto-Encoding Score Distribution Regression for Action Quality Assessment

2 code implementations22 Nov 2021 Boyu Zhang, Jiayuan Chen, Yinfei Xu, HUI ZHANG, Xu Yang, Xin Geng

Traditionally, AQA is treated as a regression problem to learn the underlying mappings between videos and action scores.

Action Quality Assessment regression

BI-RADS-Net: An Explainable Multitask Learning Approach for Cancer Diagnosis in Breast Ultrasound Images

no code implementations5 Oct 2021 Boyu Zhang, Aleksandar Vakanski, Min Xian

In healthcare, it is essential to explain the decision-making process of machine learning models to establish the trustworthiness of clinicians.

Decision Making

A Use of Even Activation Functions in Neural Networks

no code implementations23 Nov 2020 Fuchang Gao, Boyu Zhang

The key to success is to effectively integrate existing knowledge or hypotheses about the underlying structure of the data into the architecture of deep learning models to guide machine learning.

Inference on tissue transplantation experiments

no code implementations6 Oct 2020 Yue Wang, Boyu Zhang, Jérémie Kropp, Nadya Morozova

This method can provide the most probable results of a group of experiments or the probability of a specific result for each experiment.

The Relationship between Deteriorating Mental Health Conditions and Longitudinal Behavioral Changes in Google and YouTube Usages among College Students in the United States during COVID-19: Observational Study

no code implementations5 Sep 2020 Anis Zaman, Boyu Zhang, Ehsan Hoque, Vincent Silenzio, Henry Kautz

The goal of this study is to examine, among college students, the relationship between deteriorating mental health conditions and changes in user behaviors when engaging with Google Search and YouTube during COVID-19.

A Novel DNN Training Framework via Data Sampling and Multi-Task Optimization

no code implementations2 Jul 2020 Boyu Zhang, A. K. Qin, Hong Pan, Timos Sellis

The training set is used for training the model while the validation set is used to estimate the generalization performance of the trained model as the training proceeds to avoid over-fitting.

Transfer Learning

Statistical Mechanical Analysis of Neural Network Pruning

1 code implementation30 Jun 2020 Rupam Acharyya, Ankani Chattoraj, Boyu Zhang, Shouman Das, Daniel Stefankovic

We inspect different pruning techniques under the statistical mechanics formulation of a teacher-student framework and derive their generalization error (GE) bounds.

Computational Efficiency Network Pruning

Breast Anatomy Enriched Tumor Saliency Estimation

no code implementations23 Oct 2019 Fei Xu, Yingtao Zhang, Min Xian, H. D. Cheng, Boyu Zhang, Jianrui Ding, Chunping Ning, Ying Wang

Then we refine the layers by integrating a non-semantic breast anatomy model to solve the problems of incomplete mammary layers.

Anatomy Saliency Prediction

Fuzzy Semantic Segmentation of Breast Ultrasound Image with Breast Anatomy Constraints

no code implementations14 Sep 2019 Kuan Huang, Yingtao Zhang, H. D. Cheng, Ping Xing, Boyu Zhang

Due to low cost, portable, no radiation, and high efficiency, breast ultrasound (BUS) imaging is the most popular approach for diagnosing early breast cancer.

Anatomy Image Augmentation +1

Efficient Inference of CNNs via Channel Pruning

no code implementations8 Aug 2019 Boyu Zhang, Azadeh Davoodi, Yu Hen Hu

The deployment of Convolutional Neural Networks (CNNs) on resource constrained platforms such as mobile devices and embedded systems has been greatly hindered by their high implementation cost, and thus motivated a lot research interest in compressing and accelerating trained CNN models.

Tumor Saliency Estimation for Breast Ultrasound Images via Breast Anatomy Modeling

no code implementations18 Jun 2019 Fei Xu, Yingtao Zhang, Min Xian, H. D. Cheng, Boyu Zhang, Jianrui Ding, Chunping Ning, Ying Wang

First, we model breast anatomy and decompose breast ultrasound image into layers using Neutro-Connectedness; then utilize the layers to generate the foreground and background maps; and finally propose a novel objective function to estimate the tumor saliency by integrating the foreground map, background map, adaptive center bias, and region-based correlation cues.

Anatomy Feature Correlation +1

A Mixture of Expert Approach for Low-Cost Customization of Deep Neural Networks

no code implementations31 Oct 2018 Boyu Zhang, Azadeh Davoodi, Yu-Hen Hu

Since the customized dataset is in general very small, the cost of training LE and GN would be much lower than that of re-training of GE.

A Hybrid Framework for Tumor Saliency Estimation

no code implementations27 Jun 2018 Fei Xu, Min Xian, Yingtao Zhang, Kuan Huang, H. D. Cheng, Boyu Zhang, Jianrui Ding, Chunping Ning, Ying Wang

Automatic tumor segmentation of breast ultrasound (BUS) image is quite challenging due to the complicated anatomic structure of breast and poor image quality.

Saliency Prediction Segmentation +1

Computer-Aided Knee Joint Magnetic Resonance Image Segmentation - A Survey

no code implementations13 Feb 2018 Boyu Zhang, Yingtao Zhang, H. D. Cheng, Min Xian, Shan Gai, Olivia Cheng, Kuan Huang

In this survey paper, we classify the existing methods by their principles and discuss the current research status and point out the future research trend in-depth.

Image Segmentation MRI segmentation +2

BUSIS: A Benchmark for Breast Ultrasound Image Segmentation

1 code implementation9 Jan 2018 Min Xian, Yingtao Zhang, H. D. Cheng, Fei Xu, Kuan Huang, Boyu Zhang, Jianrui Ding, Chunping Ning, Ying Wang

Breast ultrasound (BUS) image segmentation is challenging and critical for BUS Comput-er-Aided Diagnosis (CAD) systems.

Image Segmentation Segmentation +1

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