Search Results for author: Chunhui Zhang

Found 19 papers, 8 papers with code

When Emotional Stimuli meet Prompt Designing: An Auto-Prompt Graphical Paradigm

no code implementations16 Apr 2024 Chenggian Ma, Xiangyu Zhao, Chunhui Zhang, Yanzhao Qin, Wentao Zhang

With the development of Large Language Models (LLM), numerous prompts have been proposed, each with a rich set of features and their own merits.

Breaking the Trilemma of Privacy, Utility, Efficiency via Controllable Machine Unlearning

1 code implementation28 Oct 2023 Zheyuan Liu, Guangyao Dou, Yijun Tian, Chunhui Zhang, Eli Chien, Ziwei Zhu

Exploring the full spectrum of trade-offs between privacy, model utility, and runtime efficiency is critical for practical unlearning scenarios.

Machine Unlearning

Expedited Training of Visual Conditioned Language Generation via Redundancy Reduction

1 code implementation5 Oct 2023 Yiren Jian, Tingkai Liu, Yunzhe Tao, Chunhui Zhang, Soroush Vosoughi, Hongxia Yang

Our experimental findings demonstrate that our approach accelerates the training of vision-language models by a factor of 5 without a noticeable impact on overall performance.

Representation Learning Text Generation

Promoting Fairness in GNNs: A Characterization of Stability

no code implementations7 Sep 2023 Yaning Jia, Chunhui Zhang

Additionally, we theoretically analyze how the Lipschitz constant of a GNN model could constrain the output perturbations induced by biases learned from data for fairness training.

Fairness

All in One: Exploring Unified Vision-Language Tracking with Multi-Modal Alignment

no code implementations7 Jul 2023 Chunhui Zhang, Xin Sun, Li Liu, Yiqian Yang, Qiong Liu, Xi Zhou, Yanfeng Wang

This approach achieves feature integration in a unified backbone, removing the need for carefully-designed fusion modules and resulting in a more effective and efficient VL tracking framework.

A Comprehensive Survey on Segment Anything Model for Vision and Beyond

1 code implementation14 May 2023 Chunhui Zhang, Li Liu, Yawen Cui, Guanjie Huang, Weilin Lin, Yiqian Yang, Yuehong Hu

As the first to comprehensively review the progress of segmenting anything task for vision and beyond based on the foundation model of SAM, this work focuses on its applications to various tasks and data types by discussing its historical development, recent progress, and profound impact on broad applications.

Generating and Weighting Semantically Consistent Sample Pairs for Ultrasound Contrastive Learning

1 code implementation8 Dec 2022 Yixiong Chen, Chunhui Zhang, Chris H. Q. Ding, Li Liu

In this work, we pre-train DNNs on ultrasound (US) domains instead of ImageNet to reduce the domain gap in medical US applications.

Contrastive Learning Meta-Learning +2

Boosting Graph Neural Networks via Adaptive Knowledge Distillation

no code implementations12 Oct 2022 Zhichun Guo, Chunhui Zhang, Yujie Fan, Yijun Tian, Chuxu Zhang, Nitesh Chawla

In this paper, we propose a novel adaptive KD framework, called BGNN, which sequentially transfers knowledge from multiple GNNs into a student GNN.

Graph Classification Graph Mining +3

HiCo: Hierarchical Contrastive Learning for Ultrasound Video Model Pretraining

1 code implementation10 Oct 2022 Chunhui Zhang, Yixiong Chen, Li Liu, Qiong Liu, Xi Zhou

This work proposes a hierarchical contrastive learning (HiCo) method to improve the transferability for the US video model pretraining.

Contrastive Learning

Diving into Unified Data-Model Sparsity for Class-Imbalanced Graph Representation Learning

no code implementations1 Oct 2022 Chunhui Zhang, Chao Huang, Yijun Tian, Qianlong Wen, Zhongyu Ouyang, Youhuan Li, Yanfang Ye, Chuxu Zhang

The effectiveness is further guaranteed and proved by the gradients' distance between the subset and the full set; (ii) empirically, we discover that during the learning process of a GNN, some samples in the training dataset are informative for providing gradients to update model parameters.

Contrastive Learning Graph Representation Learning

Contrastive Graph Few-Shot Learning

no code implementations30 Sep 2022 Chunhui Zhang, Hongfu Liu, Jundong Li, Yanfang Ye, Chuxu Zhang

Later, the trained encoder is frozen as a teacher model to distill a student model with a contrastive loss.

Contrastive Learning Few-Shot Learning +2

Graph Contrastive Learning with Cross-view Reconstruction

no code implementations16 Sep 2022 Qianlong Wen, Zhongyu Ouyang, Chunhui Zhang, Yiyue Qian, Yanfang Ye, Chuxu Zhang

In light of this, we introduce the Graph Contrastive Learning with Cross-View Reconstruction (GraphCV), which follows the information bottleneck principle to learn minimal yet sufficient representation from graph data.

Contrastive Learning Disentanglement +3

Heterogeneous Graph Masked Autoencoders

1 code implementation21 Aug 2022 Yijun Tian, Kaiwen Dong, Chunhui Zhang, Chuxu Zhang, Nitesh V. Chawla

In light of this, we study the problem of generative SSL on heterogeneous graphs and propose HGMAE, a novel heterogeneous graph masked autoencoder model to address these challenges.

Attribute Self-Supervised Learning

Label-invariant Augmentation for Semi-Supervised Graph Classification

no code implementations19 May 2022 Han Yue, Chunhui Zhang, Chuxu Zhang, Hongfu Liu

Recently, contrastiveness-based augmentation surges a new climax in the computer vision domain, where some operations, including rotation, crop, and flip, combined with dedicated algorithms, dramatically increase the model generalization and robustness.

Contrastive Learning Graph Classification

Towards Tailored Models on Private AIoT Devices: Federated Direct Neural Architecture Search

no code implementations23 Feb 2022 Chunhui Zhang, Xiaoming Yuan, Qianyun Zhang, Guangxu Zhu, Lei Cheng, Ning Zhang

To further adapt to both various data distributions and different types of devices with heterogeneous embedded hardware platforms, inspired by meta-learning, a Cluster Federated Direct Neural Architecture Search (CFDNAS) framework is proposed to achieve device-aware NAS, in the sense that each device can learn a tailored deep learning model for its particular data distribution and hardware constraint.

Federated Learning Meta-Learning +1

WebUAV-3M: A Benchmark for Unveiling the Power of Million-Scale Deep UAV Tracking

1 code implementation19 Jan 2022 Chunhui Zhang, Guanjie Huang, Li Liu, Shan Huang, Yinan Yang, Xiang Wan, Shiming Ge, DaCheng Tao

In this work, we propose WebUAV-3M, the largest public UAV tracking benchmark to date, to facilitate both the development and evaluation of deep UAV trackers.

Student Network Learning via Evolutionary Knowledge Distillation

no code implementations23 Mar 2021 Kangkai Zhang, Chunhui Zhang, Shikun Li, Dan Zeng, Shiming Ge

Inspired by that, we propose an evolutionary knowledge distillation approach to improve the transfer effectiveness of teacher knowledge.

Knowledge Distillation Transfer Learning

FDNAS: Improving Data Privacy and Model Diversity in AutoML

no code implementations6 Nov 2020 Chunhui Zhang, Yongyuan Liang, Xiaoming Yuan, Lei Cheng

To further adapt for various data distributions of clients, inspired by meta-learning, a cluster Federated Direct Neural Architecture Search (CFDNAS) framework is proposed to achieve client-aware NAS, in the sense that each client can learn a tailored deep learning model for its particular data distribution.

Federated Learning Meta-Learning +1

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