Search Results for author: Zhiqiang Gong

Found 27 papers, 14 papers with code

HyperDID: Hyperspectral Intrinsic Image Decomposition with Deep Feature Embedding

1 code implementation25 Nov 2023 Zhiqiang Gong, Xian Zhou, Wen Yao, Xiaohu Zheng, Ping Zhong

To address this limitation, this study rethinks hyperspectral intrinsic image decomposition for classification tasks by introducing deep feature embedding.

Classification Hyperspectral image analysis +2

MultiScale Spectral-Spatial Convolutional Transformer for Hyperspectral Image Classification

no code implementations28 Oct 2023 Zhiqiang Gong, Xian Zhou, Wen Yao

Due to the powerful ability in capturing the global information, Transformer has become an alternative architecture of CNNs for hyperspectral image classification.

Classification Hyperspectral Image Classification

Deep Intrinsic Decomposition with Adversarial Learning for Hyperspectral Image Classification

no code implementations28 Oct 2023 Zhiqiang Gong, Xian Zhou, Wen Yao

Convolutional neural networks (CNNs) have been demonstrated their powerful ability to extract discriminative features for hyperspectral image classification.

Hyperspectral Image Classification

Multi-fidelity prediction of fluid flow and temperature field based on transfer learning using Fourier Neural Operator

no code implementations14 Apr 2023 Yanfang Lyu, Xiaoyu Zhao, Zhiqiang Gong, Xiao Kang, Wen Yao

Therefore, this work proposes a novel multi-fidelity learning method based on the Fourier Neural Operator by jointing abundant low-fidelity data and limited high-fidelity data under transfer learning paradigm.

Transfer Learning

Uncertainty Guided Ensemble Self-Training for Semi-Supervised Global Field Reconstruction

1 code implementation23 Feb 2023 Yunyang Zhang, Zhiqiang Gong, Xiaoyu Zhao, Wen Yao

Recovering a globally accurate complex physics field from limited sensor is critical to the measurement and control in the aerospace engineering.

Pseudo Label

RecFNO: a resolution-invariant flow and heat field reconstruction method from sparse observations via Fourier neural operator

1 code implementation20 Feb 2023 Xiaoyu Zhao, Xiaoqian Chen, Zhiqiang Gong, Weien Zhou, Wen Yao, Yunyang Zhang

The MLP embedding is propitious to more sparse input, while the others benefit from spatial information preservation and perform better with the increase of observation data.

Super-Resolution

Multi-fidelity surrogate modeling for temperature field prediction using deep convolution neural network

no code implementations17 Jan 2023 Yunyang Zhang, Zhiqiang Gong, Weien Zhou, Xiaoyu Zhao, Xiaohu Zheng, Wen Yao

Then, a self-supervised learning method for training the physics-driven deep multi-fidelity model (PD-DMFM) is proposed, which fully utilizes the physics characteristics of the engineering systems and reduces the dependence on large amounts of labeled low-fidelity data in the training process.

Self-Supervised Learning

A CNN with Noise Inclined Module and Denoise Framework for Hyperspectral Image Classification

1 code implementation25 May 2022 Zhiqiang Gong, Ping Zhong, Jiahao Qi, Panhe Hu

Finally, the CNN with noise inclined module and the denoise framework is developed to obtain discriminative features and provides good classification performance of hyperspectral image.

Classification Hyperspectral Image Classification

Transferable Physical Attack against Object Detection with Separable Attention

no code implementations19 May 2022 Yu Zhang, Zhiqiang Gong, Yichuang Zhang, YongQian Li, Kangcheng Bin, Jiahao Qi, Wei Xue, Ping Zhong

Transferable adversarial attack is always in the spotlight since deep learning models have been demonstrated to be vulnerable to adversarial samples.

Adversarial Attack object-detection +1

Semi-supervision semantic segmentation with uncertainty-guided self cross supervision

no code implementations10 Mar 2022 Yunyang Zhang, Zhiqiang Gong, Xiaohu Zheng, Xiaoyu Zhao, Wen Yao

However, the wrong pseudo labeling information generated by cross supervision would confuse the training process and negatively affect the effectiveness of the segmentation model.

Segmentation Semantic Segmentation

Contrastive Enhancement Using Latent Prototype for Few-Shot Segmentation

1 code implementation8 Mar 2022 Xiaoyu Zhao, Xiaoqian Chen, Zhiqiang Gong, Wen Yao, Yunyang Zhang, Xiaohu Zheng

This paper proposes a contrastive enhancement approach using latent prototypes to leverage latent classes and raise the utilization of similarity information between prototype and query features.

Segmentation

Deep Monte Carlo Quantile Regression for Quantifying Aleatoric Uncertainty in Physics-informed Temperature Field Reconstruction

1 code implementation14 Feb 2022 Xiaohu Zheng, Wen Yao, Zhiqiang Gong, Yunyang Zhang, Xiaoyu Zhao, Tingsong Jiang

However, a lot of labeled data is needed to train CNN, and the common CNN can not quantify the aleatoric uncertainty caused by data noise.

regression

Physics-Informed Deep Monte Carlo Quantile Regression method for Interval Multilevel Bayesian Network-based Satellite Heat Reliability Analysis

no code implementations14 Feb 2022 Xiaohu Zheng, Wen Yao, Zhiqiang Gong, Yunyang Zhang, Xiaoya Zhang

To solve the above problem, this paper proposes an unsupervised method, i. e., the physics-informed deep Monte Carlo quantile regression method, for reconstructing temperature field and quantifying the aleatoric uncertainty caused by data noise.

regression

A deep learning method based on patchwise training for reconstructing temperature field

no code implementations26 Jan 2022 Xingwen Peng, Xingchen Li, Zhiqiang Gong, Xiaoyu Zhao, Wen Yao

To solve the problem, this work proposes a novel deep learning method based on patchwise training to reconstruct the temperature field of electronic equipment accurately from limited observation.

Management

Temperature Field Inversion of Heat-Source Systems via Physics-Informed Neural Networks

1 code implementation18 Jan 2022 Xu Liu, Wei Peng, Zhiqiang Gong, Weien Zhou, Wen Yao

In this work, we develop a physics-informed neural network-based temperature field inversion (PINN-TFI) method to solve the TFI-HSS task and a coefficient matrix condition number based position selection of observations (CMCN-PSO) method to select optima positions of noise observations.

Physics-informed Convolutional Neural Networks for Temperature Field Prediction of Heat Source Layout without Labeled Data

1 code implementation26 Sep 2021 Xiaoyu Zhao, Zhiqiang Gong, Yunyang Zhang, Wen Yao, Xiaoqian Chen

As the construction of data pairs in most engineering problems is time-consuming, data acquisition is becoming the predictive capability bottleneck of most deep surrogate models, which also exists in surrogate for thermal analysis and design.

FCA: Learning a 3D Full-coverage Vehicle Camouflage for Multi-view Physical Adversarial Attack

1 code implementation15 Sep 2021 Donghua Wang, Tingsong Jiang, Jialiang Sun, Weien Zhou, Xiaoya Zhang, Zhiqiang Gong, Wen Yao, Xiaoqian Chen

To bridge the gap between digital attacks and physical attacks, we exploit the full 3D vehicle surface to propose a robust Full-coverage Camouflage Attack (FCA) to fool detectors.

Adversarial Attack object-detection +1

RBUE: A ReLU-Based Uncertainty Estimation Method of Deep Neural Networks

no code implementations15 Jul 2021 Yufeng Xia, Jun Zhang, Zhiqiang Gong, Tingsong Jiang, Wen Yao

Deep Ensemble is widely considered the state-of-the-art method which can estimate the uncertainty with higher quality, but it is very expensive to train and test.

Joint Deep Reversible Regression Model and Physics-Informed Unsupervised Learning for Temperature Field Reconstruction

1 code implementation22 Jun 2021 Zhiqiang Gong, Weien Zhou, Jun Zhang, Wei Peng, Wen Yao

To solve this problem, this work develops a novel physics-informed deep reversible regression models for temperature field reconstruction of heat-source systems (TFR-HSS), which can better reconstruct the temperature field with limited monitoring points unsupervisedly.

regression

A Deep Neural Network Surrogate Modeling Benchmark for Temperature Field Prediction of Heat Source Layout

1 code implementation20 Mar 2021 Xianqi Chen, Xiaoyu Zhao, Zhiqiang Gong, Jun Zhang, Weien Zhou, Xiaoqian Chen, Wen Yao

Thermal issue is of great importance during layout design of heat source components in systems engineering, especially for high functional-density products.

Layout Design Model Selection +1

Statistical Loss and Analysis for Deep Learning in Hyperspectral Image Classification

1 code implementation28 Dec 2019 Zhiqiang Gong, Ping Zhong, Weidong Hu

To overcome this problem, this work characterizes each class from the hyperspectral image as a statistical distribution and further develops a novel statistical loss with the distributions, not directly with samples for deep learning.

General Classification Hyperspectral Image Classification

Deep Manifold Embedding for Hyperspectral Image Classification

1 code implementation24 Dec 2019 Zhiqiang Gong, Weidong Hu, Xiaoyong Du, Ping Zhong, Panhe Hu

Deep learning methods have played a more and more important role in hyperspectral image classification.

Classification Clustering +2

A novel statistical metric learning for hyperspectral image classification

no code implementations13 May 2019 Zhiqiang Gong, Ping Zhong, Weidong Hu, Zixuan Xiao, Xuping Yin

In this paper, a novel statistical metric learning is developed for spectral-spatial classification of the hyperspectral image.

Classification General Classification +2

An End-to-End Joint Unsupervised Learning of Deep Model and Pseudo-Classes for Remote Sensing Scene Representation

no code implementations18 Mar 2019 Zhiqiang Gong, Ping Zhong, Weidong Hu, Fang Liu, Bingwei Hui

Finally, joint learning of the pseudo-center loss and the pseudo softmax loss which is formulated with the samples and the pseudo labels is developed for unsupervised remote sensing scene representation to obtain discriminative representations from the scenes.

Diversity in Machine Learning

no code implementations4 Jul 2018 Zhiqiang Gong, Ping Zhong, Weidong Hu

Even though the diversity plays an important role in machine learning process, there is no systematical analysis of the diversification in machine learning system.

BIG-bench Machine Learning Camera Relocalization +5

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