Search Results for author: Zihao Xu

Found 16 papers, 9 papers with code

GenVP: Generating Visual Puzzles with Contrastive Hierarchical VAEs

no code implementations30 Mar 2025 Kalliopi Basioti, Pritish Sahu, Qingze Tony Liu, Zihao Xu, Hao Wang, Vladimir Pavlovic

Despite the current success of algorithms that solve this task, humans can generalize beyond a given puzzle and create new puzzles given a set of rules, whereas machines remain locked in solving a fixed puzzle from a curated choice list.

Visual Reasoning

AxisPose: Model-Free Matching-Free Single-Shot 6D Object Pose Estimation via Axis Generation

no code implementations9 Mar 2025 Yang Zou, Zhaoshuai Qi, Yating Liu, Zihao Xu, Weipeng Sun, Weiyi Liu, Xingyuan Li, Jiaqi Yang, Yanning Zhang

Specifically, AxisPose constructs an Axis Generation Module (AGM) to capture the latent geometric distribution of object axes through a diffusion model.

3D Feature Matching 6D Pose Estimation +4

STGCN-LSTM for Olympic Medal Prediction: Dynamic Power Modeling and Causal Policy Optimization

no code implementations29 Jan 2025 Yiquan Wang, Jiaying Wang, Jingyi Yang, Zihao Xu

This paper proposes a novel hybrid model, STGCN-LSTM, to forecast Olympic medal distributions by integrating the spatio-temporal relationships among countries and the long-term dependencies of national performance.

Causal Inference

NeurOp-Diff:Continuous Remote Sensing Image Super-Resolution via Neural Operator Diffusion

1 code implementation15 Jan 2025 Zihao Xu, Yuzhi Tang, Bowen Xu, Qingquan Li

To address this, we propose a diffusion model guided by neural operators for continuous remote sensing image super-resolution (NeurOp-Diff).

Denoising Image Super-Resolution

Rate-My-LoRA: Efficient and Adaptive Federated Model Tuning for Cardiac MRI Segmentation

no code implementations6 Jan 2025 Xiaoxiao He, Haizhou Shi, Ligong Han, Chaowei Tan, Bo Liu, Zihao Xu, Meng Ye, Leon Axel, Kang Li, Dimitris Metaxas

In this paper, we propose a novel efficient and adaptive federate learning method for cardiac segmentation that improves model performance while reducing the bandwidth requirement.

Cardiac Segmentation Federated Learning +3

MonoMM: A Multi-scale Mamba-Enhanced Network for Real-time Monocular 3D Object Detection

no code implementations1 Aug 2024 Youjia Fu, Zihao Xu, Junsong Fu, Huixia Xue, Shuqiu Tan, Lei LI

Recent advancements in transformer-based monocular 3D object detection techniques have exhibited exceptional performance in inferring 3D attributes from single 2D images.

Computational Efficiency Depth Estimation +3

Continuous Embedding Attacks via Clipped Inputs in Jailbreaking Large Language Models

1 code implementation16 Jul 2024 Zihao Xu, Yi Liu, Gelei Deng, Kailong Wang, Yuekang Li, Ling Shi, Stjepan Picek

Security concerns for large language models (LLMs) have recently escalated, focusing on thwarting jailbreaking attempts in discrete prompts.

Implicit In-context Learning

1 code implementation23 May 2024 Zhuowei Li, Zihao Xu, Ligong Han, Yunhe Gao, Song Wen, Di Liu, Hao Wang, Dimitris N. Metaxas

In-context Learning (ICL) empowers large language models (LLMs) to adapt to unseen tasks during inference by prefixing a few demonstration examples prior to test queries.

In-Context Learning Transfer Learning +1

Continual Learning of Large Language Models: A Comprehensive Survey

2 code implementations25 Apr 2024 Haizhou Shi, Zihao Xu, Hengyi Wang, Weiyi Qin, Wenyuan Wang, Yibin Wang, Zifeng Wang, Sayna Ebrahimi, Hao Wang

In this survey, we provide a comprehensive overview of the current research progress on LLMs within the context of CL.

Continual Learning Survey

A Comprehensive Study of Jailbreak Attack versus Defense for Large Language Models

1 code implementation21 Feb 2024 Zihao Xu, Yi Liu, Gelei Deng, Yuekang Li, Stjepan Picek

Large Language Models (LLMS) have increasingly become central to generating content with potential societal impacts.

Continual Learning via Manifold Expansion Replay

no code implementations12 Oct 2023 Zihao Xu, Xuan Tang, Yufei Shi, Jianfeng Zhang, Jian Yang, Mingsong Chen, Xian Wei

To address this problem, we propose a novel replay strategy called Manifold Expansion Replay (MaER).

Continual Learning Management

Taxonomy-Structured Domain Adaptation

2 code implementations13 Jun 2023 Tianyi Liu, Zihao Xu, Hao He, Guang-Yuan Hao, Guang-He Lee, Hao Wang

Domain adaptation aims to mitigate distribution shifts among different domains.

Domain Adaptation

Domain-Indexing Variational Bayes: Interpretable Domain Index for Domain Adaptation

4 code implementations6 Feb 2023 Zihao Xu, Guang-Yuan Hao, Hao He, Hao Wang

To address this challenge, we first provide a formal definition of domain index from the probabilistic perspective, and then propose an adversarial variational Bayesian framework that infers domain indices from multi-domain data, thereby providing additional insight on domain relations and improving domain adaptation performance.

Domain Adaptation

Graph-Relational Domain Adaptation

1 code implementation ICLR 2022 Zihao Xu, Hao He, Guang-He Lee, Yuyang Wang, Hao Wang

In this work, we relax such uniform alignment by using a domain graph to encode domain adjacency, e. g., a graph of states in the US with each state as a domain and each edge indicating adjacency, thereby allowing domains to align flexibly based on the graph structure.

Domain Adaptation

Visual Rhythm Prediction with Feature-Aligning Network

no code implementations29 Jan 2019 Yutong Xie, Haiyang Wang, Yan Hao, Zihao Xu

In this paper, we propose a data-driven visual rhythm prediction method, which overcomes the previous works' deficiency that predictions are made primarily by human-crafted hard rules.

Optical Flow Estimation Prediction +1

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