Search Results for author: Qiang Huang

Found 32 papers, 10 papers with code

Towards Controllable Time Series Generation

no code implementations6 Mar 2024 Yifan Bao, Yihao Ang, Qiang Huang, Anthony K. H. Tung, Zhiyong Huang

This underscores its adeptness in seamlessly integrating latent features with external conditions.

Time Series Time Series Generation

Diversity-Aware $k$-Maximum Inner Product Search Revisited

no code implementations21 Feb 2024 Qiang Huang, Yanhao Wang, Yiqun Sun, Anthony K. H. Tung

To bridge this gap, we revisit and refine the diversity-aware $k$MIPS (D$k$MIPS) problem by incorporating two well-known diversity objectives -- minimizing the average and maximum pairwise item similarities within the results -- into the original relevance objective.

Recommendation Systems

From Zero to Hero: Detecting Leaked Data through Synthetic Data Injection and Model Querying

no code implementations6 Oct 2023 Biao Wu, Qiang Huang, Anthony K. H. Tung

In this paper, we concentrate on the domain of tabular data and introduce a novel methodology, Local Distribution Shifting Synthesis (\textsc{LDSS}), to detect leaked data that are used to train classification models.

TSGBench: Time Series Generation Benchmark

1 code implementation7 Sep 2023 Yihao Ang, Qiang Huang, Yifan Bao, Anthony K. H. Tung, Zhiyong Huang

Synthetic Time Series Generation (TSG) is crucial in a range of applications, including data augmentation, anomaly detection, and privacy preservation.

Anomaly Detection Data Augmentation +3

BenchTemp: A General Benchmark for Evaluating Temporal Graph Neural Networks

1 code implementation31 Aug 2023 Qiang Huang, Jiawei Jiang, Xi Susie Rao, Ce Zhang, Zhichao Han, Zitao Zhang, Xin Wang, Yongjun He, Quanqing Xu, Yang Zhao, Chuang Hu, Shuo Shang, Bo Du

To handle graphs in which features or connectivities are evolving over time, a series of temporal graph neural networks (TGNNs) have been proposed.

Link Prediction Node Classification

Does Misclassifying Non-confounding Covariates as Confounders Affect the Causal Inference within the Potential Outcomes Framework?

no code implementations22 Aug 2023 Yonghe Zhao, Qiang Huang, Shuai Fu, Huiyan Sun

Most causal inference models based on the POF (CIMs-POF) are designed for eliminating confounding bias and default to an underlying assumption of Confounding Covariates.

Causal Inference counterfactual

VLUCI: Variational Learning of Unobserved Confounders for Counterfactual Inference

no code implementations2 Aug 2023 Yonghe Zhao, Qiang Huang, Siwei Wu, Yun Peng, Huiyan Sun

By disentangling observed and unobserved confounders, VLUCI constructs a doubly variational inference model to approximate the distribution of unobserved confounders, which are used for inferring more accurate counterfactual outcomes.

counterfactual Counterfactual Inference +3

De-confounding Representation Learning for Counterfactual Inference on Continuous Treatment via Generative Adversarial Network

no code implementations24 Jul 2023 Yonghe Zhao, Qiang Huang, Haolong Zeng, Yun Pen, Huiyan Sun

Extensive experiments on synthetic datasets show that the DRL model performs superiorly in learning de-confounding representations and outperforms state-of-the-art counterfactual inference models for continuous treatment variables.

counterfactual Counterfactual Inference +2

Lightweight-Yet-Efficient: Revitalizing Ball-Tree for Point-to-Hyperplane Nearest Neighbor Search

1 code implementation21 Feb 2023 Qiang Huang, Anthony K. H. Tung

Finding the nearest neighbor to a hyperplane (or Point-to-Hyperplane Nearest Neighbor Search, simply P2HNNS) is a new and challenging problem with applications in many research domains.

Simple, Effective and General: A New Backbone for Cross-view Image Geo-localization

1 code implementation3 Feb 2023 Yingying Zhu, Hongji Yang, Yuxin Lu, Qiang Huang

To address the above three challenges for cross-view image matching, we propose a new backbone network, named Simple Attention-based Image Geo-localization network (SAIG).

Image-Based Localization Image Retrieval +1

Improving Reliability of Fine-tuning with Block-wise Optimisation

no code implementations15 Jan 2023 Basel Barakat, Qiang Huang

In our work, the layer selection can be done in four different ways.

SAH: Shifting-aware Asymmetric Hashing for Reverse $k$-Maximum Inner Product Search

1 code implementation23 Nov 2022 Qiang Huang, Yanhao Wang, Anthony K. H. Tung

To speed up the Maximum Inner Product Search (MIPS) on item vectors, we design a shifting-invariant asymmetric transformation and develop a novel sublinear-time Shifting-Aware Asymmetric Locality Sensitive Hashing (SA-ALSH) scheme.

Blocking

A General Unified Graph Neural Network Framework Against Adversarial Attacks

no code implementations29 Sep 2021 Yujie Gu, Yangkun Cao, Qiang Huang, Huiyan Sun

The other is the convolution operation for features to find the optimal solution adopting the Laplacian smoothness and the prior knowledge that nodes with many neighbors are difficult to attack.

Denoising Representation Learning

Unsupervised Abstract Reasoning for Raven's Problem Matrices

1 code implementation21 Sep 2021 Tao Zhuo, Qiang Huang, Mohan Kankanhalli

Raven's Progressive Matrices (RPM) is highly correlated with human intelligence, and it has been widely used to measure the abstract reasoning ability of humans.

T-vectors: Weakly Supervised Speaker Identification Using Hierarchical Transformer Model

no code implementations29 Oct 2020 Yanpei Shi, Mingjie Chen, Qiang Huang, Thomas Hain

The use of memory mechanism could reach 10. 6% and 7. 7% relative improvement compared with not using memory mechanism.

Speaker Identification

Exploration of Audio Quality Assessment and Anomaly Localisation Using Attention Models

no code implementations16 May 2020 Qiang Huang, Thomas Hain

The first task is to predict an utterance quality score, and the second is to identify where an anomalous distortion takes place in a recording.

Speaker Re-identification with Speaker Dependent Speech Enhancement

no code implementations15 May 2020 Yanpei Shi, Qiang Huang, Thomas Hain

The obtained results show that the proposed approach using speaker dependent speech enhancement can yield better speaker recognition and speech enhancement performances than two baselines in various noise conditions.

Speaker Recognition Speech Enhancement

Weakly Supervised Training of Hierarchical Attention Networks for Speaker Identification

no code implementations15 May 2020 Yanpei Shi, Qiang Huang, Thomas Hain

To evaluate the effectiveness of the proposed approach, artificial datasets based on Switchboard Cellular part1 (SWBC) and Voxceleb1 are constructed in two conditions, where speakers' voices are overlapped and not overlapped.

Speaker Identification

GraphLIME: Local Interpretable Model Explanations for Graph Neural Networks

2 code implementations17 Jan 2020 Qiang Huang, Makoto Yamada, Yuan Tian, Dinesh Singh, Dawei Yin, Yi Chang

In this paper, we propose GraphLIME, a local interpretable model explanation for graphs using the Hilbert-Schmidt Independence Criterion (HSIC) Lasso, which is a nonlinear feature selection method.

Descriptive feature selection

Robust Speaker Recognition Using Speech Enhancement And Attention Model

no code implementations14 Jan 2020 Yanpei Shi, Qiang Huang, Thomas Hain

Instead of individually processing speech enhancement and speaker recognition, the two modules are integrated into one framework by a joint optimisation using deep neural networks.

Speaker Identification Speaker Recognition +1

H-VECTORS: Utterance-level Speaker Embedding Using A Hierarchical Attention Model

no code implementations17 Oct 2019 Yanpei Shi, Qiang Huang, Thomas Hain

In the proposed approach, frame-level encoder and attention are applied on segments of an input utterance and generate individual segment vectors.

Speaker Identification

Improving Noise Robustness In Speaker Identification Using A Two-Stage Attention Model

no code implementations24 Sep 2019 Yanpei Shi, Qiang Huang, Thomas Hain

While the use of deep neural networks has significantly boosted speaker recognition performance, it is still challenging to separate speakers in poor acoustic environments.

Speaker Identification Speaker Recognition

Attention and Localization based on a Deep Convolutional Recurrent Model for Weakly Supervised Audio Tagging

1 code implementation17 Mar 2017 Yong Xu, Qiuqiang Kong, Qiang Huang, Wenwu Wang, Mark D. Plumbley

Audio tagging aims to perform multi-label classification on audio chunks and it is a newly proposed task in the Detection and Classification of Acoustic Scenes and Events 2016 (DCASE 2016) challenge.

Sound

Convolutional Gated Recurrent Neural Network Incorporating Spatial Features for Audio Tagging

2 code implementations24 Feb 2017 Yong Xu, Qiuqiang Kong, Qiang Huang, Wenwu Wang, Mark D. Plumbley

In this paper, we propose to use a convolutional neural network (CNN) to extract robust features from mel-filter banks (MFBs), spectrograms or even raw waveforms for audio tagging.

Audio Tagging

Unsupervised Feature Learning Based on Deep Models for Environmental Audio Tagging

2 code implementations13 Jul 2016 Yong Xu, Qiang Huang, Wenwu Wang, Peter Foster, Siddharth Sigtia, Philip J. B. Jackson, Mark D. Plumbley

For the unsupervised feature learning, we propose to use a symmetric or asymmetric deep de-noising auto-encoder (sDAE or aDAE) to generate new data-driven features from the Mel-Filter Banks (MFBs) features.

Audio Tagging General Classification +1

Fully DNN-based Multi-label regression for audio tagging

no code implementations24 Jun 2016 Yong Xu, Qiang Huang, Wenwu Wang, Philip J. B. Jackson, Mark D. Plumbley

Compared with the conventional Gaussian Mixture Model (GMM) and support vector machine (SVM) methods, the proposed fully DNN-based method could well utilize the long-term temporal information with the whole chunk as the input.

Audio Tagging Event Detection +4

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