Search Results for author: Jun Hu

Found 29 papers, 9 papers with code

A hybrid iterative method based on MIONet for PDEs: Theory and numerical examples

no code implementations11 Feb 2024 Jun Hu, Pengzhan Jin

We propose a hybrid iterative method based on MIONet for PDEs, which combines the traditional numerical iterative solver and the recent powerful machine learning method of neural operator, and further systematically analyze its theoretical properties, including the convergence condition, the spectral behavior, as well as the convergence rate, in terms of the errors of the discretization and the model inference.

Efficient Heterogeneous Graph Learning via Random Projection

1 code implementation23 Oct 2023 Jun Hu, Bryan Hooi, Bingsheng He

To achieve low information loss, we introduce a Relation-wise Neighbor Collection component with an Even-odd Propagation Scheme, which aims to collect information from neighbors in a finer-grained way.

Graph Learning Node Property Prediction

One Model for All: Large Language Models are Domain-Agnostic Recommendation Systems

no code implementations22 Oct 2023 Zuoli Tang, ZhaoXin Huan, Zihao Li, Xiaolu Zhang, Jun Hu, Chilin Fu, Jun Zhou, Chenliang Li

We expect that by mixing the user's behaviors across different domains, we can exploit the common knowledge encoded in the pre-trained language model to alleviate the problems of data sparsity and cold start problems.

Language Modelling Question Answering +3

IntrinsicNGP: Intrinsic Coordinate based Hash Encoding for Human NeRF

no code implementations28 Feb 2023 Bo Peng, Jun Hu, Jingtao Zhou, Xuan Gao, Juyong Zhang

To achieve this target, we introduce a continuous and optimizable intrinsic coordinate rather than the original explicit Euclidean coordinate in the hash encoding module of instant-NGP.

Novel View Synthesis

Experimental observation on a low-rank tensor model for eigenvalue problems

no code implementations1 Feb 2023 Jun Hu, Pengzhan Jin

Here we utilize a low-rank tensor model (LTM) as a function approximator, combined with the gradient descent method, to solve eigenvalue problems including the Laplacian operator and the harmonic oscillator.

SelfNeRF: Fast Training NeRF for Human from Monocular Self-rotating Video

no code implementations4 Oct 2022 Bo Peng, Jun Hu, Jingtao Zhou, Juyong Zhang

Extensive experimental results on several different datasets demonstrate the effectiveness and efficiency of SelfNeRF to challenging monocular videos.

Novel View Synthesis

Real-time Hyper-Dimensional Reconfiguration at the Edge using Hardware Accelerators

no code implementations10 Jun 2022 Indhumathi Kandaswamy, Saurabh Farkya, Zachary Daniels, Gooitzen van der Wal, Aswin Raghavan, Yuzheng Zhang, Jun Hu, Michael Lomnitz, Michael Isnardi, David Zhang, Michael Piacentino

In this paper we present Hyper-Dimensional Reconfigurable Analytics at the Tactical Edge (HyDRATE) using low-SWaP embedded hardware that can perform real-time reconfiguration at the edge leveraging non-MAC (free of floating-point MultiplyACcumulate operations) deep neural nets (DNN) combined with hyperdimensional (HD) computing accelerators.

Few-Shot Learning Quantization

MGDCF: Distance Learning via Markov Graph Diffusion for Neural Collaborative Filtering

2 code implementations5 Apr 2022 Jun Hu, Bryan Hooi, Shengsheng Qian, Quan Fang, Changsheng Xu

Based on a Markov process that trades off two types of distances, we present Markov Graph Diffusion Collaborative Filtering (MGDCF) to generalize some state-of-the-art GNN-based CF models.

Collaborative Filtering Recommendation Systems +1

DRTAM: Dual Rank-1 Tensor Attention Module

no code implementations11 Mar 2022 Hanxing Chi, Baihong Lin, Jun Hu, Liang Wang

Recently, attention mechanisms have been extensively investigated in computer vision, but few of them show excellent performance on both large and mobile networks.

Contrastive Adaptive Propagation Graph Neural Networks for Efficient Graph Learning

1 code implementation2 Dec 2021 Jun Hu, Shengsheng Qian, Quan Fang, Changsheng Xu

Recently the field has advanced from local propagation schemes that focus on local neighbors towards extended propagation schemes that can directly deal with extended neighbors consisting of both local and high-order neighbors.

Graph Learning Self-Supervised Learning

GRecX: An Efficient and Unified Benchmark for GNN-based Recommendation

1 code implementation19 Nov 2021 Desheng Cai, Jun Hu, Quan Zhao, Shengsheng Qian, Quan Fang, Changsheng Xu

In this paper, we present GRecX, an open-source TensorFlow framework for benchmarking GNN-based recommendation models in an efficient and unified way.

Benchmarking Management

Adaptive Convolutions with Per-pixel Dynamic Filter Atom

no code implementations ICCV 2021 Ze Wang, Zichen Miao, Jun Hu, Qiang Qiu

Applying feature dependent network weights have been proved to be effective in many fields.

Translation

VTLayout: Fusion of Visual and Text Features for Document Layout Analysis

no code implementations12 Aug 2021 Shoubin Li, Xuyan Ma, Shuaiqun Pan, Jun Hu, Lin Shi, Qing Wang

In the second stage, the deep visual, shallow visual, and text features are extracted for fusion to identify the category blocks of documents.

Document Layout Analysis

Feature-Align Network with Knowledge Distillation for Efficient Denoising

no code implementations2 Mar 2021 Lucas D. Young, Fitsum A. Reda, Rakesh Ranjan, Jon Morton, Jun Hu, Yazhu Ling, Xiaoyu Xiang, David Liu, Vikas Chandra

(2) A novel Feature Matching Loss that allows knowledge distillation from large denoising networks in the form of a perceptual content loss.

Efficient Neural Network Image Denoising +2

Efficient Graph Deep Learning in TensorFlow with tf_geometric

1 code implementation27 Jan 2021 Jun Hu, Shengsheng Qian, Quan Fang, Youze Wang, Quan Zhao, Huaiwen Zhang, Changsheng Xu

We introduce tf_geometric, an efficient and friendly library for graph deep learning, which is compatible with both TensorFlow 1. x and 2. x.

General Classification Graph Classification +5

Super strong paramagnetism of aromatic peptides adsorbed with monovalent cations

no code implementations22 Dec 2020 Shiqi Sheng, Haijun Yang, Liuhua Mu, Zixin Wang, Jihong Wang, Peng Xiu, Jun Hu, Xin Zhang, Feng Zhang, Haiping Fang

We experimentally demonstrated that the AYFFF self-assemblies adsorbed with various monovalent cations (Na+, K+, and Li+) show unexpectedly super strong paramagnetism.

Biological Physics

Fault Detection for Covered Conductors With High-Frequency Voltage Signals: From Local Patterns to Global Features

no code implementations1 Nov 2020 Kunjin Chen, Tomáš Vantuch, Yu Zhang, Jun Hu, Jinliang He

The detection and characterization of partial discharge (PD) are crucial for the insulation diagnosis of overhead lines with covered conductors.

Clustering Fault Detection

PEL-BERT: A Joint Model for Protocol Entity Linking

no code implementations28 Jan 2020 Shoubin Li, Wenzao Cui, Yujiang Liu, Xuran Ming, Jun Hu, YuanzheHu, Qing Wang

Pre-trained models such as BERT are widely used in NLP tasks and are fine-tuned to improve the performance of various NLP tasks consistently.

Descriptive Entity Linking +1

Scale- and Context-Aware Convolutional Non-intrusive Load Monitoring

no code implementations17 Nov 2019 Kunjin Chen, Yu Zhang, Qin Wang, Jun Hu, Hang Fan, Jinliang He

Non-intrusive load monitoring addresses the challenging task of decomposing the aggregate signal of a household's electricity consumption into appliance-level data without installing dedicated meters.

Management Non-Intrusive Load Monitoring

Fault Location in Power Distribution Systems via Deep Graph Convolutional Networks

1 code implementation22 Dec 2018 Kunjin Chen, Jun Hu, Yu Zhang, Zhanqing Yu, Jinliang He

This paper develops a novel graph convolutional network (GCN) framework for fault location in power distribution networks.

Data Augmentation Data Visualization

Convolutional Sequence to Sequence Non-intrusive Load Monitoring

no code implementations6 Jun 2018 Kunjin Chen, Qin Wang, Ziyu He, Kunlong Chen, Jun Hu, Jinliang He

A convolutional sequence to sequence non-intrusive load monitoring model is proposed in this paper.

Non-Intrusive Load Monitoring

Short-term Load Forecasting with Deep Residual Networks

1 code implementation30 May 2018 Kunjin Chen, Kunlong Chen, Qin Wang, Ziyu He, Jun Hu, Jinliang He

We present in this paper a model for forecasting short-term power loads based on deep residual networks.

Load Forecasting

HDR Deghosting: How to Deal with Saturation?

1 code implementation CVPR 2013 Jun Hu, Orazio Gallo, Kari Pulli, Xiaobai Sun

We present a novel method for aligning images in an HDR (high-dynamic-range) image stack to produce a new exposure stack where all the images are aligned and appear as if they were taken simultaneously, even in the case of highly dynamic scenes.

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