Search Results for author: Yixuan Liu

Found 21 papers, 8 papers with code

Edit as You See: Image-guided Video Editing via Masked Motion Modeling

no code implementations8 Jan 2025 Zhi-Lin Huang, Yixuan Liu, Chujun Qin, Zhongdao Wang, Dong Zhou, Dong Li, Emad Barsoum

In this paper, we propose a novel Image-guided Video Editing Diffusion model, termed IVEDiff for the image-guided video editing.

Optical Flow Estimation Self-Supervised Learning +1

ReNeg: Learning Negative Embedding with Reward Guidance

2 code implementations27 Dec 2024 Xiaomin Li, Yixuan Liu, Takashi Isobe, Xu Jia, Qinpeng Cui, Dong Zhou, Dong Li, You He, Huchuan Lu, Zhongdao Wang, Emad Barsoum

In text-to-image (T2I) generation applications, negative embeddings have proven to be a simple yet effective approach for enhancing generation quality.

DARWIN 1.5: Large Language Models as Materials Science Adapted Learners

1 code implementation16 Dec 2024 Tong Xie, Yuwei Wan, Yixuan Liu, Yuchen Zeng, Shaozhou Wang, Wenjie Zhang, Clara Grazian, Chunyu Kit, Wanli Ouyang, Dongzhan Zhou, Bram Hoex

Materials discovery and design aim to find compositions and structures with desirable properties over highly complex and diverse physical spaces.

Large Language Model Multi-Task Learning +2

Taming Diffusion Prior for Image Super-Resolution with Domain Shift SDEs

2 code implementations26 Sep 2024 Qinpeng Cui, Yixuan Liu, Xinyi Zhang, Qiqi Bao, Qingmin Liao, Li Wang, Tian Lu, Zicheng Liu, Zhongdao Wang, Emad Barsoum

In this paper, we present DoSSR, a Domain Shift diffusion-based SR model that capitalizes on the generative powers of pretrained diffusion models while significantly enhancing efficiency by initiating the diffusion process with low-resolution (LR) images.

Image Restoration Image Super-Resolution

Unleash the Power of Ellipsis: Accuracy-enhanced Sparse Vector Technique with Exponential Noise

no code implementations29 Jul 2024 YuHan Liu, Sheng Wang, Yixuan Liu, Feifei Li, Hong Chen

To provide a rigorous DP guarantee for SVT, prior works in the literature adopt a conservative privacy analysis by assuming the direct disclosure of noisy query results as in typical private query releases.

Privacy Preserving

DPDR: Gradient Decomposition and Reconstruction for Differentially Private Deep Learning

no code implementations4 Jun 2024 Yixuan Liu, Li Xiong, YuHan Liu, Yujie Gu, Ruixuan Liu, Hong Chen

Third, the model is updated with the gradient reconstructed from recycled common knowledge and noisy incremental information.

Deep Learning

Online Electricity Purchase for Data Center with Dynamic Virtual Battery from Flexibility Aggregation

no code implementations30 Apr 2024 Kekun Gao, Yuejun Yan, Yixuan Liu, Endong Liu, Pengcheng You

As a critical component of modern infrastructure, data centers account for a huge amount of power consumption and greenhouse gas emission.

Scheduling

The Ninth NTIRE 2024 Efficient Super-Resolution Challenge Report

3 code implementations16 Apr 2024 Bin Ren, Nancy Mehta, Radu Timofte, Hongyuan Yu, Cheng Wan, Yuxin Hong, Bingnan Han, Zhuoyuan Wu, Yajun Zou, Yuqing Liu, Jizhe Li, Keji He, Chao Fan, Heng Zhang, Xiaolin Zhang, Xuanwu Yin, Kunlong Zuo, Bohao Liao, Peizhe Xia, Long Peng, Zhibo Du, Xin Di, Wangkai Li, Yang Wang, Wei Zhai, Renjing Pei, Jiaming Guo, Songcen Xu, Yang Cao, ZhengJun Zha, Yan Wang, Yi Liu, Qing Wang, Gang Zhang, Liou Zhang, Shijie Zhao, Long Sun, Jinshan Pan, Jiangxin Dong, Jinhui Tang, Xin Liu, Min Yan, Menghan Zhou, Yiqiang Yan, Yixuan Liu, Wensong Chan, Dehua Tang, Dong Zhou, Li Wang, Lu Tian, Barsoum Emad, Bohan Jia, Junbo Qiao, Yunshuai Zhou, Yun Zhang, Wei Li, Shaohui Lin, Shenglong Zhou, Binbin Chen, Jincheng Liao, Suiyi Zhao, Zhao Zhang, Bo wang, Yan Luo, Yanyan Wei, Feng Li, Mingshen Wang, Yawei Li, Jinhan Guan, Dehua Hu, Jiawei Yu, Qisheng Xu, Tao Sun, Long Lan, Kele Xu, Xin Lin, Jingtong Yue, Lehan Yang, Shiyi Du, Lu Qi, Chao Ren, Zeyu Han, YuHan Wang, Chaolin Chen, Haobo Li, Mingjun Zheng, Zhongbao Yang, Lianhong Song, Xingzhuo Yan, Minghan Fu, Jingyi Zhang, Baiang Li, Qi Zhu, Xiaogang Xu, Dan Guo, Chunle Guo, Jiadi Chen, Huanhuan Long, Chunjiang Duanmu, Xiaoyan Lei, Jie Liu, Weilin Jia, Weifeng Cao, Wenlong Zhang, Yanyu Mao, Ruilong Guo, Nihao Zhang, Qian Wang, Manoj Pandey, Maksym Chernozhukov, Giang Le, Shuli Cheng, Hongyuan Wang, Ziyan Wei, Qingting Tang, Liejun Wang, Yongming Li, Yanhui Guo, Hao Xu, Akram Khatami-Rizi, Ahmad Mahmoudi-Aznaveh, Chih-Chung Hsu, Chia-Ming Lee, Yi-Shiuan Chou, Amogh Joshi, Nikhil Akalwadi, Sampada Malagi, Palani Yashaswini, Chaitra Desai, Ramesh Ashok Tabib, Ujwala Patil, Uma Mudenagudi

In sub-track 1, the practical runtime performance of the submissions was evaluated, and the corresponding score was used to determine the ranking.

Image Super-Resolution

PCDP-SGD: Improving the Convergence of Differentially Private SGD via Projection in Advance

no code implementations6 Dec 2023 Haichao Sha, Ruixuan Liu, Yixuan Liu, Hong Chen

We prove that pre-projection enhances the convergence of DP-SGD by reducing the dependence of clipping error and bias to a fraction of the top gradient eigenspace, and in theory, limits cross-client variance to improve the convergence under heterogeneous federation.

Federated Learning

DARWIN Series: Domain Specific Large Language Models for Natural Science

2 code implementations25 Aug 2023 Tong Xie, Yuwei Wan, Wei Huang, Zhenyu Yin, Yixuan Liu, Shaozhou Wang, Qingyuan Linghu, Chunyu Kit, Clara Grazian, Wenjie Zhang, Imran Razzak, Bram Hoex

To add new capabilities in natural science, enabling the acceleration and enrichment of automation of the discovery process, we present DARWIN, a series of tailored LLMs for natural science, mainly in physics, chemistry, and material science.

Knowledge Graphs

Echo of Neighbors: Privacy Amplification for Personalized Private Federated Learning with Shuffle Model

no code implementations11 Apr 2023 Yixuan Liu, Suyun Zhao, Li Xiong, YuHan Liu, Hong Chen

In this work, a general framework (APES) is built up to strengthen model privacy under personalized local privacy by leveraging the privacy amplification effect of the shuffle model.

Federated Learning

Large Language Models as Master Key: Unlocking the Secrets of Materials Science with GPT

no code implementations5 Apr 2023 Tong Xie, Yuwei Wan, Wei Huang, Yufei Zhou, Yixuan Liu, Qingyuan Linghu, Shaozhou Wang, Chunyu Kit, Clara Grazian, Wenjie Zhang, Bram Hoex

The amount of data has growing significance in exploring cutting-edge materials and a number of datasets have been generated either by hand or automated approaches.

feature selection Language Modelling

ESCL: Equivariant Self-Contrastive Learning for Sentence Representations

no code implementations9 Mar 2023 Jie Liu, Yixuan Liu, Xue Han, Chao Deng, Junlan Feng

Previous contrastive learning methods for sentence representations often focus on insensitive transformations to produce positive pairs, but neglect the role of sensitive transformations that are harmful to semantic representations.

Contrastive Learning Multi-Task Learning +2

Beyond the Granularity: Multi-Perspective Dialogue Collaborative Selection for Dialogue State Tracking

1 code implementation ACL 2022 Jinyu Guo, Kai Shuang, Jijie Li, Zihan Wang, Yixuan Liu

However, no matter how the dialogue history is used, each existing model uses its own consistent dialogue history during the entire state tracking process, regardless of which slot is updated.

Dialogue State Tracking

Extremal Analysis of Flooding Risk and Management

no code implementations1 Dec 2021 Chengxiu Ling, Jiayi Li, Yixuan Liu, Zhiyan Cai

Catastrophic losses caused by natural disasters receive a growing concern about the severe rise in magnitude and frequency.

Management

Solving reward-collecting problems with UAVs: a comparison of online optimization and Q-learning

1 code implementation30 Nov 2021 Yixuan Liu, Chrysafis Vogiatzis, Ruriko Yoshida, Erich Morman

Uncrewed autonomous vehicles (UAVs) have made significant contributions to reconnaissance and surveillance missions in past US military campaigns.

Autonomous Vehicles Q-Learning

Delayed Rewards Calibration via Reward Empirical Sufficiency

no code implementations21 Feb 2021 Yixuan Liu, Hu Wang, Xiaowei Wang, Xiaoyue Sun, Liuyue Jiang, Minhui Xue

Therefore, a purify-trained classifier is designed to obtain the distribution and generate the calibrated rewards.

CycAs: Self-supervised Cycle Association for Learning Re-identifiable Descriptions

no code implementations ECCV 2020 Zhongdao Wang, Jingwei Zhang, Liang Zheng, Yixuan Liu, Yifan Sun, Ya-Li Li, Shengjin Wang

This paper proposes a self-supervised learning method for the person re-identification (re-ID) problem, where existing unsupervised methods usually rely on pseudo labels, such as those from video tracklets or clustering.

Clustering Multi-Object Tracking +2

Towards Real-Time Multi-Object Tracking

12 code implementations ECCV 2020 Zhongdao Wang, Liang Zheng, Yixuan Liu, Ya-Li Li, Shengjin Wang

In this paper, we propose an MOT system that allows target detection and appearance embedding to be learned in a shared model.

Multiple Object Tracking Multi-Task Learning +2

Adversarial View-Consistent Learning for Monocular Depth Estimation

no code implementations4 Aug 2019 Yixuan Liu, Yuwang Wang, Shengjin Wang

To this end, we first design a differentiable depth map warping operation, which is end-to-end trainable, and then propose a pose generator to generate novel views for a given image in an adversarial manner.

Monocular Depth Estimation

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