Search Results for author: Ziyang Wang

Found 52 papers, 27 papers with code

Focus-Driven Contrastive Learning for Medical Question Summarization

no code implementations COLING 2022 Ming Zhang, Shuai Dou, Ziyang Wang, Yunfang Wu

Automatic medical question summarization can significantly help the system to understand consumer health questions and retrieve correct answers.

Contrastive Learning Decoder +1

Spectral Enhancement and Pseudo-Anchor Guidance for Infrared-Visible Person Re-Identification

1 code implementation26 Dec 2024 Yiyuan Ge, Zhihao Chen, Ziyang Wang, Jiaju Kang, Mingya Zhang

The development of deep learning has facilitated the application of person re-identification (ReID) technology in intelligent security.

Person Re-Identification

SlimGPT: Layer-wise Structured Pruning for Large Language Models

no code implementations24 Dec 2024 Gui Ling, Ziyang Wang, Yuliang Yan, Qingwen Liu

Large language models (LLMs) have garnered significant attention for their remarkable capabilities across various domains, whose vast parameter scales present challenges for practical deployment.

TimeRefine: Temporal Grounding with Time Refining Video LLM

1 code implementation12 Dec 2024 Xizi Wang, Feng Cheng, Ziyang Wang, Huiyu Wang, Md Mohaiminul Islam, Lorenzo Torresani, Mohit Bansal, Gedas Bertasius, David Crandall

Recent work has focused on enabling Video LLMs to perform video temporal grounding via next-token prediction of temporal timestamps.

Temporal Localization

Deformation-Recovery Diffusion Model (DRDM): Instance Deformation for Image Manipulation and Synthesis

1 code implementation10 Jul 2024 Jian-Qing Zheng, Yuanhan Mo, Yang Sun, Jiahua Li, Fuping Wu, Ziyang Wang, Tonia Vincent, Bartłomiej W. Papież

The further experimental results in downstream tasks, 2D image segmentation and 3D image registration, indicate significant improvements resulting from DRDM, showcasing the potential of our model to advance image manipulation and synthesis in medical imaging and beyond.

Data Augmentation Few-Shot Learning +4

VideoTree: Adaptive Tree-based Video Representation for LLM Reasoning on Long Videos

1 code implementation29 May 2024 Ziyang Wang, Shoubin Yu, Elias Stengel-Eskin, Jaehong Yoon, Feng Cheng, Gedas Bertasius, Mohit Bansal

Specifically, we incorporate multigranularity information into a tree-based representation, allowing VideoTree to extract query-relevant details from long videos in a coarse-to-fine manner.

EgoSchema MME +3

Unleashing Large Language Models' Proficiency in Zero-shot Essay Scoring

no code implementations7 Apr 2024 Sanwoo Lee, Yida Cai, Desong Meng, Ziyang Wang, Yunfang Wu

Then, an LLM is prompted to extract trait scores from several conversational rounds, each round scoring one of the traits based on the scoring criteria.

Automated Essay Scoring

FPT: Feature Prompt Tuning for Few-shot Readability Assessment

1 code implementation3 Apr 2024 Ziyang Wang, Sanwoo Lee, Hsiu-Yuan Huang, Yunfang Wu

Our proposed method establishes a new architecture for prompt tuning that sheds light on how linguistic features can be easily adapted to linguistic-related tasks.

16k Few-Shot Text Classification +4

OC4-ReID: Occluded Cloth-Changing Person Re-Identification

no code implementations13 Mar 2024 Zhihao Chen, Yiyuan Ge, Ziyang Wang, Jiaju Kang, Mingya Zhang

The study of Cloth-Changing Person Re-identification (CC-ReID) focuses on retrieving specific pedestrians when their clothing has changed, typically under the assumption that the entire pedestrian images are visible.

Cloth-Changing Person Re-Identification Triplet

DAM: Dynamic Adapter Merging for Continual Video QA Learning

1 code implementation13 Mar 2024 Feng Cheng, Ziyang Wang, Yi-Lin Sung, Yan-Bo Lin, Mohit Bansal, Gedas Bertasius

Our DAM model outperforms prior state-of-the-art continual learning approaches by 9. 1% while exhibiting 1. 9% less forgetting on 6 VidQA datasets spanning various domains.

Continual Learning Image Classification +2

Weak-Mamba-UNet: Visual Mamba Makes CNN and ViT Work Better for Scribble-based Medical Image Segmentation

2 code implementations16 Feb 2024 Ziyang Wang, Chao Ma

Medical image segmentation is increasingly reliant on deep learning techniques, yet the promising performance often come with high annotation costs.

Cardiac Segmentation Decoder +5

Semi-Mamba-UNet: Pixel-Level Contrastive and Pixel-Level Cross-Supervised Visual Mamba-based UNet for Semi-Supervised Medical Image Segmentation

1 code implementation11 Feb 2024 Chao Ma, Ziyang Wang

Medical image segmentation is essential in diagnostics, treatment planning, and healthcare, with deep learning offering promising advancements.

Cardiac Segmentation Contrastive Learning +5

Mamba-UNet: UNet-Like Pure Visual Mamba for Medical Image Segmentation

1 code implementation7 Feb 2024 Ziyang Wang, Jian-Qing Zheng, Yichi Zhang, Ge Cui, Lei LI

Mamba-UNet adopts a pure Visual Mamba (VMamba)-based encoder-decoder structure, infused with skip connections to preserve spatial information across different scales of the network.

Cardiac Segmentation Computational Efficiency +6

A Simple LLM Framework for Long-Range Video Question-Answering

1 code implementation28 Dec 2023 Ce Zhang, Taixi Lu, Md Mohaiminul Islam, Ziyang Wang, Shoubin Yu, Mohit Bansal, Gedas Bertasius

Furthermore, we show that a specialized prompt that asks the LLM first to summarize the noisy short-term visual captions and then answer a given input question leads to a significant LVQA performance boost.

EgoSchema Large Language Model +3

Investigation of temperature stress tolerance in Arabidopsis STTM165/166 using electrophysiology and RNA-Seq

no code implementations8 Sep 2023 Dongjie Zhao, Qinghui Chen, Ziyang Wang, Lucy Arbanas, Guiliang Tang

These findings provide experimental evidence for the use of plant electrical signals in characterizing stress tolerance and explore potential ion mechanisms through patch-clamp recording and DEG Gene Ontology analysis.

Towards Hierarchical Policy Learning for Conversational Recommendation with Hypergraph-based Reinforcement Learning

1 code implementation4 May 2023 Sen Zhao, Wei Wei, Yifan Liu, Ziyang Wang, Wendi Li, Xian-Ling Mao, Shuai Zhu, Minghui Yang, Zujie Wen

Conversational recommendation systems (CRS) aim to timely and proactively acquire user dynamic preferred attributes through conversations for item recommendation.

Attribute Conversational Recommendation +3

A Unified Neural Network Model for Readability Assessment with Feature Projection and Length-Balanced Loss

1 code implementation19 Oct 2022 Wenbiao Li, Ziyang Wang, Yunfang Wu

For readability assessment, traditional methods mainly employ machine learning classifiers with hundreds of linguistic features.

Text Classification

EllipsoNet: Deep-learning-enabled optical ellipsometry for complex thin films

no code implementations11 Oct 2022 Ziyang Wang, Yuxuan Cosmi Lin, Kunyan Zhang, Wenjing Wu, Shengxi Huang

Optical spectroscopy is indispensable for research and development in nanoscience and nanotechnology, microelectronics, energy, and advanced manufacturing.

Deep Learning

Focus-Driven Contrastive Learniang for Medical Question Summarization

1 code implementation1 Sep 2022 Ming Zhang, Shuai Dou, Ziyang Wang, Yunfang Wu

Automatic medical question summarization can significantly help the system to understand consumer health questions and retrieve correct answers.

Contrastive Learning Decoder +1

Multi-level Contrastive Learning Framework for Sequential Recommendation

no code implementations27 Aug 2022 Ziyang Wang, Huoyu Liu, Wei Wei, Yue Hu, Xian-Ling Mao, Shaojian He, Rui Fang, Dangyang Chen

Different from the previous contrastive learning-based methods for SR, MCLSR learns the representations of users and items through a cross-view contrastive learning paradigm from four specific views at two different levels (i. e., interest- and feature-level).

Contrastive Learning Relation +1

Triple-View Feature Learning for Medical Image Segmentation

2 code implementations12 Aug 2022 Ziyang Wang, Irina Voiculescu

The confidence of each model gets improved through the other two views of the feature learning.

Decoder Image Segmentation +3

When CNN Meet with ViT: Towards Semi-Supervised Learning for Multi-Class Medical Image Semantic Segmentation

2 code implementations12 Aug 2022 Ziyang Wang, Tianze Li, Jian-Qing Zheng, Baoru Huang

A topological exploration of all alternative supervision modes with CNN and ViT are detailed validated, demonstrating the most promising performance and specific setting of our method on semi-supervised medical image segmentation tasks.

Image Segmentation Pseudo Label +2

Person-job fit estimation from candidate profile and related recruitment history with co-attention neural networks

1 code implementation18 Jun 2022 Ziyang Wang, Wei Wei, Chenwei Xu, Jun Xu, Xian-Ling Mao

Existing studies on person-job fit, however, mainly focus on calculating the similarity between the candidate resumes and the job postings on the basis of their contents, without taking the recruiters' experience (i. e., historical successful recruitment records) into consideration.

Multi-level Cross-view Contrastive Learning for Knowledge-aware Recommender System

1 code implementation19 Apr 2022 Ding Zou, Wei Wei, Xian-Ling Mao, Ziyang Wang, Minghui Qiu, Feida Zhu, Xin Cao

Different from traditional contrastive learning methods which generate two graph views by uniform data augmentation schemes such as corruption or dropping, we comprehensively consider three different graph views for KG-aware recommendation, including global-level structural view, local-level collaborative and semantic views.

Contrastive Learning Data Augmentation +2

Residual Aligner Network

1 code implementation7 Mar 2022 Jian-Qing Zheng, Ziyang Wang, Baoru Huang, Ngee Han Lim, Bartlomiej W. Papiez

Image registration is important for medical imaging, the estimation of the spatial transformation between different images.

Image Registration

Region Semantically Aligned Network for Zero-Shot Learning

no code implementations14 Oct 2021 Ziyang Wang, Yunhao Gou, Jingjing Li, Yu Zhang, Yang Yang

Zero-shot learning (ZSL) aims to recognize unseen classes based on the knowledge of seen classes.

Attribute Transfer Learning +1

Global Context Enhanced Graph Neural Networks for Session-based Recommendation

2 code implementations9 Jun 2021 Ziyang Wang, Wei Wei, Gao Cong, Xiao-Li Li, Xian-Ling Mao, Minghui Qiu

In GCE-GNN, we propose a novel global-level item representation learning layer, which employs a session-aware attention mechanism to recursively incorporate the neighbors' embeddings of each node on the global graph.

Representation Learning Session-Based Recommendations

Atrous Residual Interconnected Encoder to Attention Decoder Framework for Vertebrae Segmentation via 3D Volumetric CT Images

no code implementations8 Apr 2021 Wenqiang Li, YM Tang, Ziyang Wang, KM Yu, Sandy To

The proposed model is based on the structure of encoder to decoder, using layer normalization to optimize mini-batch training performance.

Computed Tomography (CT) Decoder +4

Quadruple Augmented Pyramid Network for Multi-class COVID-19 Segmentation via CT

no code implementations9 Mar 2021 Ziyang Wang, Irina Voiculescu

COVID-19, a new strain of coronavirus disease, has been one of the most serious and infectious disease in the world.

Decoder Segmentation +1

Learning Light-Weight Translation Models from Deep Transformer

1 code implementation27 Dec 2020 Bei Li, Ziyang Wang, Hui Liu, Quan Du, Tong Xiao, Chunliang Zhang, Jingbo Zhu

We proposed a novel group-permutation based knowledge distillation approach to compressing the deep Transformer model into a shallow model.

Knowledge Distillation Machine Translation +2

Exploiting Group-level Behavior Pattern forSession-based Recommendation

no code implementations10 Dec 2020 Ziyang Wang, Wei Wei, Xian-Ling Mao, Xiao-Li Li, Shanshan Feng

In RNMSR, we propose to learn the user preference from both instance-level and group-level, respectively: (i) instance-level, which employs GNNs on a similarity-based item-pairwise session graph to capture the users' preference in instance-level.

Representation Learning Session-Based Recommendations

Exploring Global Information for Session-based Recommendation

no code implementations20 Nov 2020 Ziyang Wang, Wei Wei, Gao Cong, Xiao-Li Li, Xian-Ling Mao, Minghui Qiu, Shanshan Feng

Based on BGNN, we propose a novel approach, called Session-based Recommendation with Global Information (SRGI), which infers the user preferences via fully exploring global item-transitions over all sessions from two different perspectives: (i) Fusion-based Model (SRGI-FM), which recursively incorporates the neighbor embeddings of each node on global graph into the learning process of session level item representation; and (ii) Constrained-based Model (SRGI-CM), which treats the global-level item-transition information as a constraint to ensure the learned item embeddings are consistent with the global item-transition.

Session-Based Recommendations

User-based Network Embedding for Collective Opinion Spammer Detection

no code implementations16 Nov 2020 Ziyang Wang, Wei Wei, Xian-Ling Mao, Guibing Guo, Pan Zhou, Shanshan Feng

Due to the huge commercial interests behind online reviews, a tremendousamount of spammers manufacture spam reviews for product reputation manipulation.

Network Embedding Relation

Shallow-to-Deep Training for Neural Machine Translation

1 code implementation EMNLP 2020 Bei Li, Ziyang Wang, Hui Liu, Yufan Jiang, Quan Du, Tong Xiao, Huizhen Wang, Jingbo Zhu

We find that stacking layers is helpful in improving the representation ability of NMT models and adjacent layers perform similarly.

Machine Translation NMT +2

Does Multi-Encoder Help? A Case Study on Context-Aware Neural Machine Translation

1 code implementation ACL 2020 Bei Li, Hui Liu, Ziyang Wang, Yufan Jiang, Tong Xiao, Jingbo Zhu, Tongran Liu, Changliang Li

In encoder-decoder neural models, multiple encoders are in general used to represent the contextual information in addition to the individual sentence.

Decoder fr-en +4

Deep Learning in Medical Ultrasound Image Segmentation: a Review

no code implementations18 Feb 2020 Ziyang Wang

Applying machine learning technologies, especially deep learning, into medical image segmentation is being widely studied because of its state-of-the-art performance and results.

3D Reconstruction Deep Learning +4

A Novel and Efficient Tumor Detection Framework for Pancreatic Cancer via CT Images

no code implementations11 Feb 2020 Zhengdong Zhang, Shuai Li, Ziyang Wang, Yun Lu

Experimental results achieve competitive performance in detection with the AUC of 0. 9455, which outperforms other state-of-the-art methods to our best of knowledge, demonstrating the proposed framework can detect the tumor of pancreatic cancer efficiently and accurately.

Computed Tomography (CT) Medical Image Analysis

A Single RGB Camera Based Gait Analysis with a Mobile Tele-Robot for Healthcare

no code implementations11 Feb 2020 Ziyang Wang

As gait analysis with a single camera is much more challenging compared to previous works utilizing multi-cameras, a RGB-D camera or wearable sensors, we propose using vision-based human pose estimation approaches.

Pose Estimation

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