Search Results for author: Jia Fu

Found 12 papers, 6 papers with code

CASIA at SemEval-2022 Task 11: Chinese Named Entity Recognition for Complex and Ambiguous Entities

no code implementations SemEval (NAACL) 2022 Jia Fu, Zhen Gan, Zhucong Li, Sirui Li, Dianbo Sui, Yubo Chen, Kang Liu, Jun Zhao

This paper describes our approach to develop a complex named entity recognition system in SemEval 2022 Task 11: MultiCoNER Multilingual Complex Named Entity Recognition, Track 9 - Chinese.

Chinese Named Entity Recognition Data Augmentation +3

DiffPAD: Denoising Diffusion-based Adversarial Patch Decontamination

1 code implementation31 Oct 2024 Jia Fu, Xiao Zhang, Sepideh Pashami, Fatemeh Rahimian, Anders Holst

In the ever-evolving adversarial machine learning landscape, developing effective defenses against patch attacks has become a critical challenge, necessitating reliable solutions to safeguard real-world AI systems.

Adversarial Robustness Binarization +3

Advancing Open-Set Domain Generalization Using Evidential Bi-Level Hardest Domain Scheduler

1 code implementation26 Sep 2024 Kunyu Peng, Di Wen, Kailun Yang, Ao Luo, Yufan Chen, Jia Fu, M. Saquib Sarfraz, Alina Roitberg, Rainer Stiefelhagen

In this paper, we observe that an adaptive domain scheduler benefits more in OSDG compared with prefixed sequential and random domain schedulers.

Data Augmentation Domain Generalization +1

Referring Atomic Video Action Recognition

1 code implementation2 Jul 2024 Kunyu Peng, Jia Fu, Kailun Yang, Di Wen, Yufan Chen, Ruiping Liu, Junwei Zheng, Jiaming Zhang, M. Saquib Sarfraz, Rainer Stiefelhagen, Alina Roitberg

Since these existing methods underperform on RAVAR, we introduce RefAtomNet -- a novel cross-stream attention-driven method specialized for the unique challenges of RAVAR: the need to interpret a textual referring expression for the targeted individual, utilize this reference to guide the spatial localization and harvest the prediction of the atomic actions for the referring person.

Action Recognition Question Answering +4

AutoRAG-HP: Automatic Online Hyper-Parameter Tuning for Retrieval-Augmented Generation

no code implementations27 Jun 2024 Jia Fu, Xiaoting Qin, Fangkai Yang, Lu Wang, Jue Zhang, QIngwei Lin, Yubo Chen, Dongmei Zhang, Saravan Rajmohan, Qi Zhang

Recent advancements in Large Language Models have transformed ML/AI development, necessitating a reevaluation of AutoML principles for the Retrieval-Augmented Generation (RAG) systems.

AutoML Efficient Exploration +3

EffiQA: Efficient Question-Answering with Strategic Multi-Model Collaboration on Knowledge Graphs

no code implementations3 Jun 2024 Zixuan Dong, Baoyun Peng, YuFei Wang, Jia Fu, Xiaodong Wang, Yongxue Shan, Xin Zhou

Finally, the exploration results are fed to LLMs for self-reflection to further improve the global planning and efficient KG exploration.

Knowledge Graphs Question Answering

Component attention network for multimodal dance improvisation recognition

1 code implementation24 Aug 2023 Jia Fu, Jiarui Tan, Wenjie Yin, Sepideh Pashami, Mårten Björkman

Motion analysis of improvised dance can be challenging due to its unique dynamics.

UM-CAM: Uncertainty-weighted Multi-resolution Class Activation Maps for Weakly-supervised Fetal Brain Segmentation

no code implementations20 Jun 2023 Jia Fu, Tao Lu, Shaoting Zhang, Guotai Wang

To this end, we propose a novel weakly-supervised method with image-level labels based on semantic features and context information exploration.

Brain Segmentation Weakly supervised segmentation

Semantic Segmentation of Panoramic Images Using a Synthetic Dataset

1 code implementation2 Sep 2019 Yuanyou Xu, Kaiwei Wang, Kailun Yang, Dongming Sun, Jia Fu

In addition, it has been shown that by using panoramic images with a 180 degree FoV as training data the model has better performance.

Segmentation Semantic Segmentation

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