1 code implementation • 14 Oct 2024 • Hongfu Liu, Hengguan Huang, Hao Wang, Xiangming Gu, Ye Wang
Large language models (LLMs) pose significant risks due to the potential for generating harmful content or users attempting to evade guardrails.
1 code implementation • 27 Aug 2024 • Hongfu Liu, Yuxi Xie, Ye Wang, Michael Shieh
Further analysis on cross-model transfer indicates the pivotal role of first target token optimization in leveraging suffix transferability for efficient searching.
no code implementations • 27 May 2024 • Wenxiao Xiao, Hongfu Liu
Active learning strategically selects informative unlabeled data points and queries their ground truth labels for model training.
no code implementations • 25 May 2024 • Ziao Yang, Han Yue, Jian Chen, Hongfu Liu
Various approaches, including matrix decomposition, have been explored to expedite and approximate the inversion of the Hessian matrix, with the aim of making influence functions applicable to deep models.
no code implementations • 6 May 2024 • Anshuman Chhabra, Bo Li, Jian Chen, Prasant Mohapatra, Hongfu Liu
In this paper, we establish a bridge between identifying detrimental training samples via influence functions and outlier gradient detection.
1 code implementation • 8 Feb 2024 • Hengguan Huang, Songtao Wang, Hongfu Liu, Hao Wang, Ye Wang
Traditional applications of natural language processing (NLP) in healthcare have predominantly focused on patient-centered services, enhancing patient interactions and care delivery, such as through medical dialogue systems.
1 code implementation • 14 Oct 2023 • Hongfu Liu, Hengguan Huang, Ye Wang
In this work, we propose a novel wild acoustic TTA method tailored for ASR fine-tuned acoustic foundation models.
Automatic Speech Recognition Automatic Speech Recognition (ASR) +2
no code implementations • 13 Oct 2023 • Hongfu Liu, Ye Wang
Large Language models (LLMs) possess the capability to engage In-context Learning (ICL) by leveraging a few demonstrations pertaining to a new downstream task as conditions.
no code implementations • 16 Jun 2023 • TingWei Liu, Peizhao Li, Hongfu Liu
To address this gap, we propose a notion edge balance to measure the proportion of edges connecting different demographic groups in clusters.
no code implementations • 31 May 2023 • Hongfu Liu, Mingqian Shi, Ye Wang
Automatic Pronunciation Assessment (APA) is vital for computer-assisted language learning.
Automatic Speech Recognition Automatic Speech Recognition (ASR) +3
1 code implementation • 4 Mar 2023 • Wenxiao Xiao, Zhengming Ding, Hongfu Liu
Many research efforts have been committed to unsupervised domain adaptation (DA) problems that transfer knowledge learned from a labeled source domain to an unlabeled target domain.
no code implementations • 9 Feb 2023 • Zhaonan Li, Hongfu Liu
Generalized Zero-Shot Learning (GZSL) and Open-Set Recognition (OSR) are two mainstream settings that greatly extend conventional visual object recognition.
no code implementations • 29 Nov 2022 • Peizhao Li, Ethan Xia, Hongfu Liu
Fairness is essential for machine learning systems deployed in high-stake applications.
no code implementations • 14 Oct 2022 • Zizhang Chen, Peizhao Li, Hongfu Liu, Pengyu Hong
To fill this gap, we started with the simple graph convolution (SGC) model that operates on an attributed graph and formulated an influence function to approximate the changes in model parameters when a node or an edge is removed from an attributed graph.
1 code implementation • 4 Oct 2022 • Anshuman Chhabra, Peizhao Li, Prasant Mohapatra, Hongfu Liu
Experimentally, we observe that CFC is highly robust to the proposed attack and is thus a truly robust fair clustering alternative.
no code implementations • 2 Oct 2022 • Zhihuan Kuang, Shi Zong, Jianbing Zhang, Jiajun Chen, Hongfu Liu
In this paper, we consider a novel research problem: music-to-text synaesthesia.
no code implementations • 30 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.
no code implementations • 10 Jul 2022 • Han Yue, Steve Xia, Hongfu Liu
META consists of Positional Encoding, Transformer-based Autoencoder, and Multi-task Prediction to learn effective representations for both migration prediction and rating prediction.
1 code implementation • 22 May 2022 • Wenxiao Xiao, Zhengming Ding, Hongfu Liu
In this paper, we revisit the concept of visual words and propose the Learnable Visual Words (LVW) to interpret the model prediction behaviors with two novel modules: semantic visual words learning and dual fidelity preservation.
no code implementations • 19 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.
no code implementations • CVPR 2022 • Peizhao Li, Pu Wang, Karl Berntorp, Hongfu Liu
We consider the object recognition problem in autonomous driving using automotive radar sensors.
Ranked #2 on Multiple Object Tracking on RADIATE
1 code implementation • 1 Feb 2022 • Peizhao Li, Hongfu Liu
With the fast development of algorithmic governance, fairness has become a compulsory property for machine learning models to suppress unintentional discrimination.
1 code implementation • NeurIPS 2021 • Wenxiao Xiao, Zhengming Ding, Hongfu Liu
Partial Domain Adaptation (PDA) addresses the unsupervised domain adaptation problem where the target label space is a subset of the source label space.
no code implementations • 29 Sep 2021 • Peizhao Li, Xuchao Zhang, Ziyu Yao, Wei Cheng, Haifeng Chen, Hongfu Liu
To achieve this, we propose a machine learning approach to adapt the editorial style derived from few exemplars to a query code snippet.
no code implementations • 29 Sep 2021 • Han Yue, Jundong Li, Hongfu Liu
Unsupervised feature selection aims to select a subset from the original features that are most useful for the downstream tasks without external guidance information.
no code implementations • 1 Aug 2021 • Sibo Zhu, Handong Zhao, Hongfu Liu
By employing score-based outlier detectors for initialization, iPOF updates each data point's outlier score by averaging the outlier factors of its nearest common neighbors.
no code implementations • 21 Jul 2021 • ZiHao Wang, Kun Li, Steve Q. Xia, Hongfu Liu
We investigate the effectiveness of different machine learning methodologies in predicting economic cycles.
1 code implementation • 17 Jul 2021 • Hengguan Huang, Hongfu Liu, Hao Wang, Chang Xiao, Ye Wang
In this paper, we present a probabilistic ordinary differential equation (ODE), called STochastic boundaRy ODE (STRODE), that learns both the timings and the dynamics of time series data without requiring any timing annotations during training.
Automatic Speech Recognition Automatic Speech Recognition (ASR) +4
1 code implementation • 9 Jun 2021 • Hanyu Song, Peizhao Li, Hongfu Liu
In this paper, we focus on the fairness issues regarding unsupervised outlier detection.
no code implementations • CVPR 2021 • Peizhao Li, Jiuxiang Gu, Jason Kuen, Vlad I. Morariu, Handong Zhao, Rajiv Jain, Varun Manjunatha, Hongfu Liu
For downstream usage, we propose a novel modality-adaptive attention mechanism for multimodal feature fusion by adaptively emphasizing language and vision signals.
no code implementations • 4 Jun 2021 • Xiaoying Xing, Hongfu Liu, Chen Chen, Jundong Li
Feature selection is a prevalent data preprocessing paradigm for various learning tasks.
1 code implementation • ICCV 2021 • Taotao Jing, Hongfu Liu, Zhengming Ding
In this paper, we propose a novel framework to accurately identify the seen categories in target domain, and effectively recover the semantic attributes for unseen categories.
1 code implementation • ICLR 2021 • Peizhao Li, Yifei Wang, Han Zhao, Pengyu Hong, Hongfu Liu
Disparate impact has raised serious concerns in machine learning applications and its societal impacts.
no code implementations • 1 Jan 2021 • Han Yue, Pengyu Hong, Hongfu Liu
In this paper, we propose a Graph-Graph Similarity Network to tackle the graph classification problem by constructing a SuperGraph through learning the relationships among graphs.
no code implementations • 16 Jun 2020 • Peizhao Li, Zhengming Ding, Hongfu Liu
Unsupervised domain adaptation targets to transfer task-related knowledge from labeled source domain to unlabeled target domain.
1 code implementation • 9 Apr 2020 • Jun Li, Hongfu Liu, Zhiqiang Tao, Handong Zhao, Yun Fu
This paper studies the large-scale subspace clustering (LSSC) problem with million data points.
no code implementations • 31 May 2019 • Hongfu Liu, Zhiqiang Tao, Zhengming Ding
Consensus clustering fuses diverse basic partitions (i. e., clustering results obtained from conventional clustering methods) into an integrated one, which has attracted increasing attention in both academic and industrial areas due to its robust and effective performance.
1 code implementation • 7 May 2019 • Songyao Jiang, Hongfu Liu, Yue Wu, Yun Fu
Besides, a segmentor network is constructed to impose spatial constraints on the generator.
no code implementations • ICLR 2019 • Jun Li, Hongfu Liu, Bineng Zhong, Yue Wu, Yun Fu
To address this problem, we propose a simple yet effective method for improving stochastic gradient methods named predictive local smoothness (PLS).
no code implementations • 5 Jan 2018 • Hongfu Liu, Jun Li, Yue Wu, Yun Fu
Then an objective function based Holoentropy is designed to enhance the compactness of each cluster with a few outliers removed.