Search Results for author: Tianyang Wang

Found 48 papers, 7 papers with code

From Aleatoric to Epistemic: Exploring Uncertainty Quantification Techniques in Artificial Intelligence

no code implementations5 Jan 2025 Tianyang Wang, Yunze Wang, Jun Zhou, Benji Peng, Xinyuan Song, Charles Zhang, Xintian Sun, Qian Niu, Junyu Liu, Silin Chen, Keyu Chen, Ming Li, Pohsun Feng, Ziqian Bi, Ming Liu, Yichao Zhang, Cheng Fei, Caitlyn Heqi Yin, Lawrence KQ Yan

Uncertainty quantification (UQ) is a critical aspect of artificial intelligence (AI) systems, particularly in high-risk domains such as healthcare, autonomous systems, and financial technology, where decision-making processes must account for uncertainty.

Decision Making Ensemble Learning +1

From Noise to Nuance: Advances in Deep Generative Image Models

no code implementations12 Dec 2024 Benji Peng, Chia Xin Liang, Ziqian Bi, Ming Liu, Yichao Zhang, Tianyang Wang, Keyu Chen, Xinyuan Song, Pohsun Feng

We examine how recent developments in Stable Diffusion, DALL-E, and consistency models have redefined the capabilities and performance boundaries of image synthesis, while addressing persistent challenges in efficiency and quality.

Computational Efficiency Image Generation

Deep Learning, Machine Learning, Advancing Big Data Analytics and Management

no code implementations3 Dec 2024 Weiche Hsieh, Ziqian Bi, Keyu Chen, Benji Peng, Sen Zhang, Jiawei Xu, Jinlang Wang, Caitlyn Heqi Yin, Yichao Zhang, Pohsun Feng, Yizhu Wen, Tianyang Wang, Ming Li, Chia Xin Liang, Jintao Ren, Qian Niu, Silin Chen, Lawrence K. Q. Yan, Han Xu, Hong-Ming Tseng, Xinyuan Song, Bowen Jing, Junjie Yang, Junhao Song, Junyu Liu, Ming Liu

This work explores the theoretical foundations, methodological advancements, and practical implementations of these technologies, emphasizing their role in uncovering actionable insights from massive, high-dimensional datasets.

Anomaly Detection Deep Learning +6

A Comprehensive Survey and Guide to Multimodal Large Language Models in Vision-Language Tasks

no code implementations9 Nov 2024 Chia Xin Liang, Pu Tian, Caitlyn Heqi Yin, Yao Yua, Wei An-Hou, Li Ming, Tianyang Wang, Ziqian Bi, Ming Liu

This survey and application guide to multimodal large language models(MLLMs) explores the rapidly developing field of MLLMs, examining their architectures, applications, and impact on AI and Generative Models.

Visual Storytelling

Large Language Model Benchmarks in Medical Tasks

no code implementations28 Oct 2024 Lawrence K. Q. Yan, Qian Niu, Ming Li, Yichao Zhang, Caitlyn Heqi Yin, Cheng Fei, Benji Peng, Ziqian Bi, Pohsun Feng, Keyu Chen, Tianyang Wang, Yunze Wang, Silin Chen, Ming Liu, Junyu Liu

With the increasing application of large language models (LLMs) in the medical domain, evaluating these models' performance using benchmark datasets has become crucial.

Image Captioning Language Modeling +6

Deep Learning, Machine Learning -- Digital Signal and Image Processing: From Theory to Application

no code implementations27 Oct 2024 Weiche Hsieh, Ziqian Bi, Junyu Liu, Benji Peng, Sen Zhang, Xuanhe Pan, Jiawei Xu, Jinlang Wang, Keyu Chen, Caitlyn Heqi Yin, Pohsun Feng, Yizhu Wen, Tianyang Wang, Ming Li, Jintao Ren, Qian Niu, Silin Chen, Ming Liu

Digital Signal Processing (DSP) and Digital Image Processing (DIP) with Machine Learning (ML) and Deep Learning (DL) are popular research areas in Computer Vision and related fields.

Image Enhancement

Deep Learning and Machine Learning: Advancing Big Data Analytics and Management with Design Patterns

no code implementations4 Oct 2024 Keyu Chen, Ziqian Bi, Tianyang Wang, Yizhu Wen, Pohsun Feng, Qian Niu, Junyu Liu, Benji Peng, Sen Zhang, Ming Li, Xuanhe Pan, Jiawei Xu, Jinlang Wang, Ming Liu

This book, Design Patterns in Machine Learning and Deep Learning: Advancing Big Data Analytics Management, presents a comprehensive study of essential design patterns tailored for large-scale machine learning and deep learning applications.

Management

Deep Learning and Machine Learning, Advancing Big Data Analytics and Management: Unveiling AI's Potential Through Tools, Techniques, and Applications

no code implementations2 Oct 2024 Pohsun Feng, Ziqian Bi, Yizhu Wen, Xuanhe Pan, Benji Peng, Ming Liu, Jiawei Xu, Keyu Chen, Junyu Liu, Caitlyn Heqi Yin, Sen Zhang, Jinlang Wang, Qian Niu, Ming Li, Tianyang Wang

Artificial intelligence (AI), machine learning, and deep learning have become transformative forces in big data analytics and management, enabling groundbreaking advancements across diverse industries.

AutoML Edge-computing +3

LaDTalk: Latent Denoising for Synthesizing Talking Head Videos with High Frequency Details

no code implementations1 Oct 2024 Jian Yang, Xukun Wang, Wentao Wang, Guoming Li, Qihang Fang, Ruihong Yuan, Tianyang Wang, Jason Zhaoxin Fan

Our experiments further demonstrate that the high-frequency texture deficiency of the foundation model can be temporally consistently recovered by the Space-Optimised Vector Quantised Auto Encoder (SOVQAE) we introduced, thereby facilitating the creation of realistic talking head videos.

Denoising Talking Head Generation

Deep Learning and Machine Learning, Advancing Big Data Analytics and Management: Object-Oriented Programming

no code implementations30 Sep 2024 Tianyang Wang, Ziqian Bi, Keyu Chen, Jiawei Xu, Qian Niu, Junyu Liu, Benji Peng, Ming Li, Sen Zhang, Xuanhe Pan, Jinlang Wang, Pohsun Feng, Yizhu Wen, Ming Liu

Object-Oriented Programming (OOP) has become a crucial paradigm for managing the growing complexity of modern software systems, particularly in fields like machine learning, deep learning, large language models (LLM), and data analytics.

Management

Multimodal Generalized Category Discovery

no code implementations18 Sep 2024 Yuchang Su, Renping Zhou, Siyu Huang, Xingjian Li, Tianyang Wang, Ziyue Wang, Min Xu

Generalized Category Discovery (GCD) aims to classify inputs into both known and novel categories, a task crucial for open-world scientific discoveries.

Contrastive Learning

From Text to Multimodality: Exploring the Evolution and Impact of Large Language Models in Medical Practice

no code implementations14 Sep 2024 Qian Niu, Keyu Chen, Ming Li, Pohsun Feng, Ziqian Bi, Lawrence KQ Yan, Yichao Zhang, Caitlyn Heqi Yin, Cheng Fei, Junyu Liu, Benji Peng, Tianyang Wang, Yunze Wang, Silin Chen, Ming Liu

This comprehensive review explores the progression of LLMs to Multimodal Large Language Models (MLLMs) and their growing influence in medical practice.

Large Language Models and Cognitive Science: A Comprehensive Review of Similarities, Differences, and Challenges

no code implementations4 Sep 2024 Qian Niu, Junyu Liu, Ziqian Bi, Pohsun Feng, Benji Peng, Keyu Chen, Ming Li, Lawrence KQ Yan, Yichao Zhang, Caitlyn Heqi Yin, Cheng Fei, Tianyang Wang, Yunze Wang, Silin Chen, Ming Liu

This comprehensive review explores the intersection of Large Language Models (LLMs) and cognitive science, examining similarities and differences between LLMs and human cognitive processes.

Classifier-Free Diffusion-Based Weakly-Supervised Approach for Health Indicator Derivation in Rotating Machines: Advancing Early Fault Detection and Condition Monitoring

no code implementations3 Sep 2024 Wenyang Hu, Gaetan Frusque, Tianyang Wang, Fulei Chu, Olga Fink

To address these issues, we propose a diffusion-based weakly-supervised approach for deriving health indicators of rotating machines, enabling early fault detection and continuous monitoring of condition evolution.

Fault Detection

Training-free CryoET Tomogram Segmentation

1 code implementation8 Jul 2024 Yizhou Zhao, Hengwei Bian, Michael Mu, Mostofa R. Uddin, Zhenyang Li, Xiang Li, Tianyang Wang, Min Xu

In addition to prompt-based single-particle instance segmentation, our approach can automatically search for similar features, facilitating full tomogram semantic segmentation with only one prompt.

Contrastive Learning Cryogenic Electron Tomography +5

Cycle-YOLO: A Efficient and Robust Framework for Pavement Damage Detection

no code implementations28 May 2024 Zhengji Li, Xi Xiao, Jiacheng Xie, Yuxiao Fan, Wentao Wang, Gang Chen, Liqiang Zhang, Tianyang Wang

Due to a substantial difference between the images generated by CycleGAN and real road images, we proposed a data enhancement method based on an improved Scharr filter, CycleGAN, and Laplacian pyramid.

Multi-dimension Transformer with Attention-based Filtering for Medical Image Segmentation

no code implementations20 May 2024 Wentao Wang, Xi Xiao, Mingjie Liu, Qing Tian, Xuanyao Huang, Qizhen Lan, Swalpa Kumar Roy, Tianyang Wang

MDT-AF incorporates an attention-based feature filtering mechanism into the patch embedding blocks and employs a coarse-to-fine process to mitigate the impact of low signal-to-noise ratio.

Image Segmentation Medical Image Segmentation +2

Surveying Attitudinal Alignment Between Large Language Models Vs. Humans Towards 17 Sustainable Development Goals

no code implementations22 Apr 2024 Qingyang Wu, Ying Xu, Tingsong Xiao, Yunze Xiao, Yitong Li, Tianyang Wang, Yichi Zhang, Shanghai Zhong, Yuwei Zhang, Wei Lu, Yifan Yang

This study conducts a comprehensive review and analysis of the existing literature on the attitudes of LLMs towards the 17 SDGs, emphasizing the comparison between their attitudes and support for each goal and those of humans.

Decision Making

Uncertainty-Aware Adapter: Adapting Segment Anything Model (SAM) for Ambiguous Medical Image Segmentation

no code implementations16 Mar 2024 Mingzhou Jiang, Jiaying Zhou, Junde Wu, Tianyang Wang, Yueming Jin, Min Xu

The Segment Anything Model (SAM) gained significant success in natural image segmentation, and many methods have tried to fine-tune it to medical image segmentation.

Image Segmentation Medical Image Segmentation +3

Privacy-Enhancing Collaborative Information Sharing through Federated Learning -- A Case of the Insurance Industry

no code implementations22 Feb 2024 Panyi Dong, Zhiyu Quan, Brandon Edwards, Shih-han Wang, Runhuan Feng, Tianyang Wang, Patrick Foley, Prashant Shah

In such a way, FL is implemented as a privacy-enhancing collaborative learning technique that addresses the challenges posed by the sensitivity and privacy of data in traditional machine learning solutions.

Federated Learning Fraud Detection

Temporal Output Discrepancy for Loss Estimation-based Active Learning

no code implementations20 Dec 2022 Siyu Huang, Tianyang Wang, Haoyi Xiong, Bihan Wen, Jun Huan, Dejing Dou

Inspired by the fact that the samples with higher loss are usually more informative to the model than the samples with lower loss, in this paper we present a novel deep active learning approach that queries the oracle for data annotation when the unlabeled sample is believed to incorporate high loss.

Active Learning Image Classification +1

Deep Active Learning with Noise Stability

no code implementations26 May 2022 Xingjian Li, Pengkun Yang, Yangcheng Gu, Xueying Zhan, Tianyang Wang, Min Xu, Chengzhong Xu

We provide theoretical analyses by leveraging the small Gaussian noise theory and demonstrate that our method favors a subset with large and diverse gradients.

Active Learning

Towards Inadequately Pre-trained Models in Transfer Learning

no code implementations ICCV 2023 Andong Deng, Xingjian Li, Di Hu, Tianyang Wang, Haoyi Xiong, Chengzhong Xu

Based on the contradictory phenomenon between FE and FT that better feature extractor fails to be fine-tuned better accordingly, we conduct comprehensive analyses on features before softmax layer to provide insightful explanations.

Transfer Learning

Boosting Active Learning via Improving Test Performance

1 code implementation10 Dec 2021 Tianyang Wang, Xingjian Li, Pengkun Yang, Guosheng Hu, Xiangrui Zeng, Siyu Huang, Cheng-Zhong Xu, Min Xu

In this work, we explore such an impact by theoretically proving that selecting unlabeled data of higher gradient norm leads to a lower upper-bound of test loss, resulting in better test performance.

Active Learning Electron Tomography +2

Semi-Supervised Active Learning with Temporal Output Discrepancy

1 code implementation ICCV 2021 Siyu Huang, Tianyang Wang, Haoyi Xiong, Jun Huan, Dejing Dou

To lower the cost of data annotation, active learning has been proposed to interactively query an oracle to annotate a small proportion of informative samples in an unlabeled dataset.

Active Learning Image Classification +1

An Evaluation of novel method of Ill-Posed Problem for the Black-Scholes Equation solution

1 code implementation18 Nov 2020 Kirill V. Golubnichiy, Tianyang Wang, Andrey V. Nikitin

It was proposed by Klibanov a new empirical mathematical method to work with the Black-Scholes equation.

Numerical Analysis Numerical Analysis 35R30, 65K05, 35R25, 65M30 G.1.8; G.1.6

Conversion and Implementation of State-of-the-Art Deep Learning Algorithms for the Classification of Diabetic Retinopathy

no code implementations7 Oct 2020 Mihir Rao, Michelle Zhu, Tianyang Wang

In this paper, comprehensive experimental studies of implementing state-of-the-art CNNs for the detection and classification of DR are conducted in order to determine the top performing classifiers for the task.

Binary Classification Classification +4

Parameter-Free Style Projection for Arbitrary Style Transfer

1 code implementation17 Mar 2020 Siyu Huang, Haoyi Xiong, Tianyang Wang, Bihan Wen, Qingzhong Wang, Zeyu Chen, Jun Huan, Dejing Dou

This paper further presents a real-time feed-forward model to leverage Style Projection for arbitrary image style transfer, which includes a regularization term for matching the semantics between input contents and stylized outputs.

Style Transfer

Instance-based Deep Transfer Learning

no code implementations8 Sep 2018 Tianyang Wang, Jun Huan, Michelle Zhu

It makes use of pre-trained models that are learned from a source domain, and utilizes these models for the tasks in a target domain.

Image Classification Transfer Learning

Data Dropout: Optimizing Training Data for Convolutional Neural Networks

no code implementations1 Sep 2018 Tianyang Wang, Jun Huan, Bo Li

In this paper, we demonstrate that deep learning models such as convolutional neural networks may not favor all training samples, and generalization accuracy can be further improved by dropping those unfavorable samples.

Image Classification Image Denoising

Imbalanced Malware Images Classification: a CNN based Approach

no code implementations27 Aug 2017 Songqing Yue, Tianyang Wang

To mitigate this issue, we propose a simple yet effective weighted softmax loss which can be employed as the final layer of deep CNNs.

Classification General Classification +1

Dilated Deep Residual Network for Image Denoising

no code implementations18 Aug 2017 Tianyang Wang, Mingxuan Sun, Kaoning Hu

It has been proven that the expansion of receptive field can boost the CNN performance in image classification, and we further demonstrate that it can also lead to competitive performance for denoising problem.

Color Image Denoising Image Classification +1

An ELU Network with Total Variation for Image Denoising

no code implementations14 Aug 2017 Tianyang Wang, Zhengrui Qin, Michelle Zhu

In this paper, we propose a novel convolutional neural network (CNN) for image denoising, which uses exponential linear unit (ELU) as the activation function.

Image Denoising

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