Search Results for author: Qi Xie

Found 28 papers, 11 papers with code

Konwledge-Enabled Diagnosis Assistant Based on Obstetric EMRs and Knowledge Graph

no code implementations CCL 2020 Kunli Zhang, Xu Zhao, Lei Zhuang, Qi Xie, Hongying Zan

In this paper, we treat the diagnosis assistant as a multi-label classification task and propose a Knowledge-Enabled Diagnosis Assistant (KEDA) model for the obstetric diagnosis assistant.

Disease Prediction Multi-Label Classification

TRG-Net: An Interpretable and Controllable Rain Generator

no code implementations15 Mar 2024 Zhiqiang Pang, Hong Wang, Qi Xie, Deyu Meng, Zongben Xu

Our unpaired generation experiments demonstrate that the rain generated by the proposed rain generator is not only of higher quality, but also more effective for deraining and downstream tasks compared to current state-of-the-art rain generation methods.

Data Augmentation Rain Removal

Rotation Equivariant Proximal Operator for Deep Unfolding Methods in Image Restoration

1 code implementation25 Dec 2023 Jiahong Fu, Qi Xie, Deyu Meng, Zongben Xu

In current deep unfolding methods, such a proximal network is generally designed as a CNN architecture, whose necessity has been proven by a recent theory.

Image Restoration

FRS-Nets: Fourier Parameterized Rotation and Scale Equivariant Networks for Retinal Vessel Segmentation

no code implementations27 Sep 2023 Zihong Sun, Qi Xie, Deyu Meng

To embed more equivariance into CNNs and achieve the accuracy requirement for retinal vessel segmentation, we construct a novel convolution operator (FRS-Conv), which is Fourier parameterized and equivariant to rotation and scaling.

Retinal Vessel Segmentation

Orientation-Shared Convolution Representation for CT Metal Artifact Learning

1 code implementation26 Dec 2022 Hong Wang, Qi Xie, Yuexiang Li, Yawen Huang, Deyu Meng, Yefeng Zheng

During X-ray computed tomography (CT) scanning, metallic implants carrying with patients often lead to adverse artifacts in the captured CT images and then impair the clinical treatment.

Computed Tomography (CT) Metal Artifact Reduction

KXNet: A Model-Driven Deep Neural Network for Blind Super-Resolution

1 code implementation21 Sep 2022 Jiahong Fu, Hong Wang, Qi Xie, Qian Zhao, Deyu Meng, Zongben Xu

Although current deep learning-based methods have gained promising performance in the blind single image super-resolution (SISR) task, most of them mainly focus on heuristically constructing diverse network architectures and put less emphasis on the explicit embedding of the physical generation mechanism between blur kernels and high-resolution (HR) images.

Blind Super-Resolution Image Super-Resolution +1

Pocket2Mol: Efficient Molecular Sampling Based on 3D Protein Pockets

3 code implementations15 May 2022 Xingang Peng, Shitong Luo, Jiaqi Guan, Qi Xie, Jian Peng, Jianzhu Ma

Deep generative models have achieved tremendous success in designing novel drug molecules in recent years.

Specificity

Memory-augmented Deep Unfolding Network for Guided Image Super-resolution

no code implementations12 Feb 2022 Man Zhou, Keyu Yan, Jinshan Pan, Wenqi Ren, Qi Xie, Xiangyong Cao

Guided image super-resolution (GISR) aims to obtain a high-resolution (HR) target image by enhancing the spatial resolution of a low-resolution (LR) target image under the guidance of a HR image.

Image Super-Resolution

Low-light Image Enhancement by Retinex Based Algorithm Unrolling and Adjustment

no code implementations12 Feb 2022 Xinyi Liu, Qi Xie, Qian Zhao, Hong Wang, Deyu Meng

Besides, to avoid manually parameter tuning, we also propose a self-supervised fine-tuning strategy, which can always guarantee a promising performance.

Low-Light Image Enhancement Rolling Shutter Correction

Fourier Series Expansion Based Filter Parametrization for Equivariant Convolutions

1 code implementation30 Jul 2021 Qi Xie, Qian Zhao, Zongben Xu, Deyu Meng

It has been shown that equivariant convolution is very helpful for many types of computer vision tasks.

Image Super-Resolution

RCDNet: An Interpretable Rain Convolutional Dictionary Network for Single Image Deraining

1 code implementation14 Jul 2021 Hong Wang, Qi Xie, Qian Zhao, Yuexiang Li, Yong Liang, Yefeng Zheng, Deyu Meng

To handle such an ill-posed single image deraining task, in this paper, we specifically build a novel deep architecture, called rain convolutional dictionary network (RCDNet), which embeds the intrinsic priors of rain streaks and has clear interpretability.

Single Image Deraining

Learning an Explicit Weighting Scheme for Adapting Complex HSI Noise

no code implementations CVPR 2021 Xiangyu Rui, Xiangyong Cao, Qi Xie, Zongsheng Yue, Qian Zhao, Deyu Meng

A general approach for handling hyperspectral image (HSI) denoising issue is to impose weights on different HSI pixels to suppress negative influence brought by noisy elements.

Denoising Variational Inference

From Rain Generation to Rain Removal

1 code implementation CVPR 2021 Hong Wang, Zongsheng Yue, Qi Xie, Qian Zhao, Yefeng Zheng, Deyu Meng

For the single image rain removal (SIRR) task, the performance of deep learning (DL)-based methods is mainly affected by the designed deraining models and training datasets.

Single Image Deraining Variational Inference

Learning to Purify Noisy Labels via Meta Soft Label Corrector

1 code implementation3 Aug 2020 Yichen Wu, Jun Shu, Qi Xie, Qian Zhao, Deyu Meng

By viewing the label correction procedure as a meta-process and using a meta-learner to automatically correct labels, we could adaptively obtain rectified soft labels iteratively according to current training problems without manually preset hyper-parameters.

Meta-Learning

Structural Residual Learning for Single Image Rain Removal

no code implementations19 May 2020 Hong Wang, Yichen Wu, Qi Xie, Qian Zhao, Yong Liang, Deyu Meng

Such a structural residual setting guarantees the rain layer extracted by the network finely comply with the prior knowledge of general rain streaks, and thus regulates sound rain shapes capable of being well extracted from rainy images in both training and predicting stages.

Rain Removal

A Model-driven Deep Neural Network for Single Image Rain Removal

1 code implementation CVPR 2020 Hong Wang, Qi Xie, Qian Zhao, Deyu Meng

Specifically, based on the convolutional dictionary learning mechanism for representing rain, we propose a novel single image deraining model and utilize the proximal gradient descent technique to design an iterative algorithm only containing simple operators for solving the model.

Dictionary Learning Single Image Deraining

Meta-Weight-Net: Learning an Explicit Mapping For Sample Weighting

3 code implementations NeurIPS 2019 Jun Shu, Qi Xie, Lixuan Yi, Qian Zhao, Sanping Zhou, Zongben Xu, Deyu Meng

Current deep neural networks (DNNs) can easily overfit to biased training data with corrupted labels or class imbalance.

Ranked #24 on Image Classification on Clothing1M (using extra training data)

Image Classification Meta-Learning

Multispectral and Hyperspectral Image Fusion by MS/HS Fusion Net

no code implementations CVPR 2019 Qi Xie, Minghao Zhou, Qian Zhao, Deyu Meng, WangMeng Zuo, Zongben Xu

In this paper, we propose a model-based deep learning approach for merging an HrMS and LrHS images to generate a high-resolution hyperspectral (HrHS) image.

Tools and Benchmarks for Automated Log Parsing

7 code implementations8 Nov 2018 Jieming Zhu, Shilin He, Jinyang Liu, Pinjia He, Qi Xie, Zibin Zheng, Michael R. Lyu

Logs are imperative in the development and maintenance process of many software systems.

Software Engineering

Enhanced 3DTV Regularization and Its Applications on Hyper-spectral Image Denoising and Compressed Sensing

no code implementations18 Sep 2018 Jiangjun Peng, Qi Xie, Qian Zhao, Yao Wang, Deyu Meng, Yee Leung

The 3-D total variation (3DTV) is a powerful regularization term, which encodes the local smoothness prior structure underlying a hyper-spectral image (HSI), for general HSI processing tasks.

Image Denoising

Unsupervised/Semi-supervised Deep Learning for Low-dose CT Enhancement

no code implementations8 Aug 2018 Mingrui Geng, Yun Deng, Qian Zhao, Qi Xie, Dong Zeng, WangMeng Zuo, Deyu Meng

To address this issue, we propose an unsupervised DL method for LdCT enhancement that incorporates unlabeled LdCT sinograms directly into the network training.

Computational Efficiency

Video Rain Streak Removal by Multiscale Convolutional Sparse Coding

no code implementations CVPR 2018 Minghan Li, Qi Xie, Qian Zhao, Wei Wei, Shuhang Gu, Jing Tao, Deyu Meng

Based on such understanding, we specifically formulate both characteristics into a multiscale convolutional sparse coding (MS-CSC) model for the video rain streak removal task.

Rain Removal

Should We Encode Rain Streaks in Video as Deterministic or Stochastic?

no code implementations ICCV 2017 Wei Wei, Lixuan Yi, Qi Xie, Qian Zhao, Deyu Meng, Zongben Xu

Videos taken in the wild sometimes contain unexpected rain streaks, which brings difficulty in subsequent video processing tasks.

Self-Paced Co-training

no code implementations ICML 2017 Fan Ma, Deyu Meng, Qi Xie, Zina Li, Xuanyi Dong

During co-training process, labels of unlabeled instances in the training pool are very likely to be false especially in the initial training rounds, while the standard co-training algorithm utilizes a “draw without replacement” manner and does not remove these false labeled instances from training.

Multispectral Images Denoising by Intrinsic Tensor Sparsity Regularization

no code implementations CVPR 2016 Qi Xie, Qian Zhao, Deyu Meng, Zongben Xu, Shuhang Gu, WangMeng Zuo, Lei Zhang

Multispectral images (MSI) can help deliver more faithful representation for real scenes than the traditional image system, and enhance the performance of many computer vision tasks.

Denoising

Convolutional Sparse Coding for Image Super-Resolution

no code implementations ICCV 2015 Shuhang Gu, WangMeng Zuo, Qi Xie, Deyu Meng, Xiangchu Feng, Lei Zhang

Sparse coding (SC) plays an important role in versatile computer vision applications such as image super-resolution (SR).

Image Reconstruction Image Super-Resolution

A Novel Sparsity Measure for Tensor Recovery

no code implementations ICCV 2015 Qian Zhao, Deyu Meng, Xu Kong, Qi Xie, Wenfei Cao, Yao Wang, Zongben Xu

In this paper, we propose a new sparsity regularizer for measuring the low-rank structure underneath a tensor.

On the Optimal Solution of Weighted Nuclear Norm Minimization

no code implementations23 May 2014 Qi Xie, Deyu Meng, Shuhang Gu, Lei Zhang, WangMeng Zuo, Xiangchu Feng, Zongben Xu

Nevertheless, so far the global optimal solution of WNNM problem is not completely solved yet due to its non-convexity in general cases.

Image Denoising

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