Search Results for author: Haoyu Li

Found 19 papers, 7 papers with code

iMetricGAN: Intelligibility Enhancement for Speech-in-Noise using Generative Adversarial Network-based Metric Learning

1 code implementation Interspeech 2020 Haoyu Li, Szu-Wei Fu, Yu Tsao, Junichi Yamagishi

The intelligibility of natural speech is seriously degraded when exposed to adverse noisy environments.

Audio and Speech Processing Sound

Multi-Metric Optimization using Generative Adversarial Networks for Near-End Speech Intelligibility Enhancement

1 code implementation17 Apr 2021 Haoyu Li, Junichi Yamagishi

The intelligibility of speech severely degrades in the presence of environmental noise and reverberation.

Faster super-resolution imaging with auto-correlation two-step deconvolution

2 code implementations19 Sep 2018 Weisong Zhao, Jian Liu, Chenqi Kong, Yixuan Zhao, Changliang Guo, Chen-Guang Liu, Xiangyan Ding, Xumin Ding, Jiubin Tan, Haoyu Li

Despite super-resolution fluorescence blinking microscopes break the diffraction limit, the intense phototoxic illumination and long-term image sequences thus far still pose to major challenges in visualizing live-organisms.

Optics

Accelerating Distributed Deep Learning using Lossless Homomorphic Compression

1 code implementation12 Feb 2024 Haoyu Li, Yuchen Xu, Jiayi Chen, Rohit Dwivedula, Wenfei Wu, Keqiang He, Aditya Akella, Daehyeok Kim

As deep neural networks (DNNs) grow in complexity and size, the resultant increase in communication overhead during distributed training has become a significant bottleneck, challenging the scalability of distributed training systems.

Computational Efficiency

VDL-Surrogate: A View-Dependent Latent-based Model for Parameter Space Exploration of Ensemble Simulations

1 code implementation25 Jul 2022 Neng Shi, Jiayi Xu, Haoyu Li, Hanqi Guo, Jonathan Woodring, Han-Wei Shen

In the model inference stage, we predict the latent representations at previously selected viewpoints and decode the latent representations to data space.

Hybrid HMM Decoder For Convolutional Codes By Joint Trellis-Like Structure and Channel Prior

1 code implementation26 Oct 2022 Haoyu Li, Xuan Wang, Tong Liu, Dingyi Fang, Baoying Liu

In this paper, we propose the use of a Hidden Markov Model (HMM) for the reconstruction of convolutional codes and decoding by the Viterbi algorithm.

Edge-computing

Local Latent Representation based on Geometric Convolution for Particle Data Feature Exploration

1 code implementation27 May 2021 Haoyu Li, Han-Wei Shen

Feature related particle data analysis plays an important role in many scientific applications such as fluid simulations, cosmology simulations and molecular dynamics.

Clustering

Volumetric Light-field Encryption at the Microscopic Scale

no code implementations26 Oct 2016 Haoyu Li, Changliang Guo, Inbarasan Muniraj, Bryce C. Schroeder, John T. Sheridan, Shu Jia

We report a light-field based method that allows the optical encryption of three-dimensional (3D) volumetric information at the microscopic scale in a single 2D light-field image.

NNVA: Neural Network Assisted Visual Analysis of Yeast Cell Polarization Simulation

no code implementations19 Apr 2019 Subhashis Hazarika, Haoyu Li, Ko-Chih Wang, Han-Wei Shen, Ching-Shan Chou

We utilize the trained network to perform interactive parameter sensitivity analysis of the original simulation at multiple levels-of-detail as well as recommend optimal parameter configurations using the activation maximization framework of neural networks.

Uncertainty Quantification

Noise Tokens: Learning Neural Noise Templates for Environment-Aware Speech Enhancement

no code implementations8 Apr 2020 Haoyu Li, Junichi Yamagishi

In recent years, speech enhancement (SE) has achieved impressive progress with the success of deep neural networks (DNNs).

Audio and Speech Processing

DDS: A new device-degraded speech dataset for speech enhancement

no code implementations16 Sep 2021 Haoyu Li, Junichi Yamagishi

A large and growing amount of speech content in real-life scenarios is being recorded on consumer-grade devices in uncontrolled environments, resulting in degraded speech quality.

Speech Enhancement

Joint Noise Reduction and Listening Enhancement for Full-End Speech Enhancement

no code implementations22 Mar 2022 Haoyu Li, Yun Liu, Junichi Yamagishi

Speech enhancement (SE) methods mainly focus on recovering clean speech from noisy input.

Speech Enhancement

IDLat: An Importance-Driven Latent Generation Method for Scientific Data

no code implementations5 Aug 2022 Jingyi Shen, Haoyu Li, Jiayi Xu, Ayan Biswas, Han-Wei Shen

We qualitatively and quantitatively evaluate the effectiveness and efficiency of latent representations generated by our method with data from multiple scientific visualization applications.

Data Visualization

Data Attribution for Diffusion Models: Timestep-induced Bias in Influence Estimation

no code implementations17 Jan 2024 Tong Xie, Haoyu Li, Andrew Bai, Cho-Jui Hsieh

Data attribution methods trace model behavior back to its training dataset, offering an effective approach to better understand ''black-box'' neural networks.

Retrieval

Predicting and Interpreting Energy Barriers of Metallic Glasses with Graph Neural Networks

no code implementations8 Dec 2023 Haoyu Li, Shichang Zhang, Longwen Tang, Mathieu Bauchy, Yizhou Sun

We demonstrate in our experiments that SymGNN can significantly improve the energy barrier prediction over other GNNs and non-graph machine learning models.

Representation Learning

The Future of Cognitive Strategy-enhanced Persuasive Dialogue Agents: New Perspectives and Trends

no code implementations7 Feb 2024 Mengqi Chen, Bin Guo, Hao Wang, Haoyu Li, Qian Zhao, Jingqi Liu, Yasan Ding, Yan Pan, Zhiwen Yu

To depict the research trends of CogAgent, in this paper, we first present several fundamental cognitive psychology theories and give the formalized definition of three typical cognitive strategies, including the persuasion strategy, the topic path planning strategy, and the argument structure prediction strategy.

Response Generation

NeuralDiffuser: Controllable fMRI Reconstruction with Primary Visual Feature Guided Diffusion

no code implementations21 Feb 2024 Haoyu Li, Hao Wu, Badong Chen

Reconstructing visual stimuli from functional Magnetic Resonance Imaging (fMRI) based on Latent Diffusion Models (LDM) provides a fine-grained retrieval of the brain.

Brain Visual Reconstruction from fMRI

Improving Efficiency of Iso-Surface Extraction on Implicit Neural Representations Using Uncertainty Propagation

no code implementations21 Feb 2024 Haoyu Li, Han-Wei Shen

In this paper, we present an improved technique for range analysis by revisiting the arithmetic rules and analyzing the probability distribution of the network output within a spatial region.

TDT-KWS: Fast And Accurate Keyword Spotting Using Token-and-duration Transducer

no code implementations20 Mar 2024 Yu Xi, Hao Li, Baochen Yang, Haoyu Li, Hainan Xu, Kai Yu

Designing an efficient keyword spotting (KWS) system that delivers exceptional performance on resource-constrained edge devices has long been a subject of significant attention.

Keyword Spotting

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