no code implementations • ECCV 2020 • Saimunur Rahman, Lei Wang, Changming Sun, Luping Zhou
When learning this representation in deep networks, eigen-decomposition of covariance matrix is usually needed for a key step called matrix normalisation.
no code implementations • 13 Sep 2024 • Zechao Sun, Haolin Jin, Weitong Chen, Luping Zhou
Class Incremental Semantic Segmentation (CISS) aims to mitigate catastrophic forgetting by maintaining a balance between previously learned and newly introduced knowledge.
Class-Incremental Semantic Segmentation Knowledge Distillation
no code implementations • 9 Sep 2024 • Yingshu Li, Zhanyu Wang, Yunyi Liu, Lei Wang, Lingqiao Liu, Luping Zhou
Harnessing the robust capabilities of Large Language Models (LLMs) for narrative generation, logical reasoning, and common-sense knowledge integration, this study delves into utilizing LLMs to enhance automated radiology report generation (R2Gen).
1 code implementation • 24 May 2024 • Zicheng Wang, Zhenghao Chen, Yiming Wu, Zhen Zhao, Luping Zhou, Dong Xu
In this study, we introduce PoinTramba, a pioneering hybrid framework that synergies the analytical power of Transformer with the remarkable computational efficiency of Mamba for enhanced point cloud analysis.
1 code implementation • 17 May 2024 • Tong Chen, Qingcheng Lyu, Long Bai, Erjian Guo, Huxin Gao, Xiaoxiao Yang, Hongliang Ren, Luping Zhou
We further introduce a Chroma Balancer (CB) to mitigate this issue.
no code implementations • 7 May 2024 • Zhenghao Chen, Luping Zhou, Zhihao Hu, Dong Xu
Content-adaptive compression is crucial for enhancing the adaptability of the pre-trained neural codec for various contents.
no code implementations • 27 Apr 2024 • Yunyi Liu, Zhanyu Wang, Yingshu Li, Xinyu Liang, Lingqiao Liu, Lei Wang, Luping Zhou
This paper introduces MRScore, an automatic evaluation metric tailored for radiology report generation by leveraging Large Language Models (LLMs).
2 code implementations • 19 Dec 2023 • Yue Duan, Zhen Zhao, Lei Qi, Luping Zhou, Lei Wang, Yinghuan Shi
While semi-supervised learning (SSL) has yielded promising results, the more realistic SSL scenario remains to be explored, in which the unlabeled data exhibits extremely high recognition difficulty, e. g., fine-grained visual classification in the context of SSL (SS-FGVC).
Fine-Grained Image Classification Semi-Supervised Image Classification
no code implementations • 4 Dec 2023 • Ling Yang, Zhanyu Wang, Zhenghao Chen, Xinyu Liang, Luping Zhou
Multimodal Large Language Models (MLLMs) have shown success in various general image processing tasks, yet their application in medical imaging is nascent, lacking tailored models.
1 code implementation • 29 Nov 2023 • Zhen Zhao, Zicheng Wang, Longyue Wang, Dian Yu, Yixuan Yuan, Luping Zhou
To mitigate the confirmation bias from the diverse supervision, the core of AD-MT lies in two proposed modules: the Random Periodic Alternate (RPA) Updating Module and the Conflict-Combating Module (CCM).
1 code implementation • 28 Nov 2023 • Zicheng Wang, Zhen Zhao, Erjian Guo, Luping Zhou
Current methods focusing on medical image segmentation suffer from incorrect annotations, which is known as the noisy label issue.
1 code implementation • 27 Nov 2023 • Zicheng Wang, Zhen Zhao, Yiming Wu, Luping Zhou, Dong Xu
In this work, we propose a novel framework that deeply couples the classifier and feature extractor adaption for 3D UDA, dubbed Progressive Classifier and Feature Extractor Adaptation (PCFEA).
1 code implementation • 27 Nov 2023 • Xinhui Liu, Zhenghao Chen, Luping Zhou, Dong Xu, Wei Xi, Gairui Bai, Yihan Zhao, Jizhong Zhao
Conventional Federated Domain Adaptation (FDA) approaches usually demand an abundance of assumptions, which makes them significantly less feasible for real-world situations and introduces security hazards.
no code implementations • 25 Nov 2023 • Zhanyu Wang, Longyue Wang, Zhen Zhao, Minghao Wu, Chenyang Lyu, Huayang Li, Deng Cai, Luping Zhou, Shuming Shi, Zhaopeng Tu
While the recent advances in Multimodal Large Language Models (MLLMs) constitute a significant leap forward in the field, these models are predominantly confined to the realm of input-side multimodal comprehension, lacking the capacity for multimodal content generation.
no code implementations • 31 Oct 2023 • Yingshu Li, Yunyi Liu, Zhanyu Wang, Xinyu Liang, Lei Wang, Lingqiao Liu, Leyang Cui, Zhaopeng Tu, Longyue Wang, Luping Zhou
This work conducts an evaluation of GPT-4V's multimodal capability for medical image analysis, with a focus on three representative tasks of radiology report generation, medical visual question answering, and medical visual grounding.
no code implementations • 3 Oct 2023 • Xiaoyu Yue, Lei Bai, Meng Wei, Jiangmiao Pang, Xihui Liu, Luping Zhou, Wanli Ouyang
Masked AutoEncoder (MAE) has revolutionized the field of self-supervised learning with its simple yet effective masking and reconstruction strategies.
1 code implementation • 18 Sep 2023 • Zhanyu Wang, Lingqiao Liu, Lei Wang, Luping Zhou
First, it attains state-of-the-art (SOTA) performance by training only the lightweight visual alignment module while freezing all the parameters of LLM.
1 code implementation • ICCV 2023 • Guan Gui, Zhen Zhao, Lei Qi, Luping Zhou, Lei Wang, Yinghuan Shi
Sample adaptive augmentation (SAA) is proposed for this stated purpose and consists of two modules: 1) sample selection module; 2) sample augmentation module.
no code implementations • 5 Sep 2023 • Lorenzo Papa, Paolo Russo, Irene Amerini, Luping Zhou
Summarizing, this paper firstly mathematically defines the strategies used to make Vision Transformer efficient, describes and discusses state-of-the-art methodologies, and analyzes their performances over different application scenarios.
no code implementations • 4 Sep 2023 • Xianghui Yang, Guosheng Lin, Zhenghao Chen, Luping Zhou
Recent neural networks based surface reconstruction can be roughly divided into two categories, one warping templates explicitly and the other representing 3D surfaces implicitly.
1 code implementation • 23 Aug 2023 • Zhen Zhao, Ye Liu, Meng Zhao, Di Yin, Yixuan Yuan, Luping Zhou
Studies on semi-supervised medical image segmentation (SSMIS) have seen fast progress recently.
1 code implementation • 20 Aug 2023 • Zeyu Han, YuHan Wang, Luping Zhou, Peng Wang, Binyu Yan, Jiliu Zhou, Yan Wang, Dinggang Shen
To obtain high-quality positron emission tomography (PET) scans while reducing radiation exposure to the human body, various approaches have been proposed to reconstruct standard-dose PET (SPET) images from low-dose PET (LPET) images.
2 code implementations • ICCV 2023 • Yue Duan, Zhen Zhao, Lei Qi, Luping Zhou, Lei Wang, Yinghuan Shi
Semi-supervised learning (SSL) tackles the label missing problem by enabling the effective usage of unlabeled data.
1 code implementation • 11 May 2023 • Bhanu Prakash Voutharoja, Lei Wang, Luping Zhou
At each iteration, conditioned on a given set of hard negative reports, image and report features are learned as usual by minimising the loss functions related to report generation.
1 code implementation • CVPR 2023 • Saimunur Rahman, Piotr Koniusz, Lei Wang, Luping Zhou, Peyman Moghadam, Changming Sun
Our work obtains a partial correlation based deep visual representation and mitigates the small sample problem often encountered by covariance matrix estimation in CNN.
no code implementations • CVPR 2023 • Zhanyu Wang, Lingqiao Liu, Lei Wang, Luping Zhou
In the encoder, each expert token interacts with both vision tokens and other expert tokens to learn to attend different image regions for image representation.
no code implementations • 4 Apr 2023 • Yunyi Liu, Zhanyu Wang, Dong Xu, Luping Zhou
To bridge this gap, in this paper, we propose a new Transformer based framework for medical VQA (named as Q2ATransformer), which integrates the advantages of both the classification and the generation approaches and provides a unified treatment for the close-end and open-end questions.
no code implementations • ICCV 2023 • Sifan Long, Zhen Zhao, Junkun Yuan, Zichang Tan, JiangJiang Liu, Luping Zhou, Shengsheng Wang, Jingdong Wang
A contrastive loss is employed to align such augmented text and image representations on downstream tasks.
2 code implementations • CVPR 2023 • Xianghui Yang, Guosheng Lin, Zhenghao Chen, Luping Zhou
Deep neural networks (DNNs) are widely applied for nowadays 3D surface reconstruction tasks and such methods can be further divided into two categories, which respectively warp templates explicitly by moving vertices or represent 3D surfaces implicitly as signed or unsigned distance functions.
2 code implementations • CVPR 2023 • Zicheng Wang, Zhen Zhao, Xiaoxia Xing, Dong Xu, Xiangyu Kong, Luping Zhou
In this work, we propose a new conflict-based cross-view consistency (CCVC) method based on a two-branch co-training framework which aims at enforcing the two sub-nets to learn informative features from irrelevant views.
no code implementations • 23 Feb 2023 • Erjian Guo, Huazhu Fu, Luping Zhou, Dong Xu
Moreover, we also propose a novel multi-stage multi-attention guided enhancement network (MAGE-Net) as the backbones of our teacher and student network.
1 code implementation • ICCV 2023 • Zhongyan Zhang, Lei Wang, Luping Zhou, Piotr Koniusz
To this end, we propose a novel feature learning framework for instance image retrieval, which embeds local spatial context information into the learned global feature representations.
1 code implementation • CVPR 2023 • Zhen Zhao, Lihe Yang, Sifan Long, Jimin Pi, Luping Zhou, Jingdong Wang
Differently, in this work, we follow a standard teacher-student framework and propose AugSeg, a simple and clean approach that focuses mainly on data perturbations to boost the SSS performance.
1 code implementation • CVPR 2023 • Zhen Zhao, Sifan Long, Jimin Pi, Jingdong Wang, Luping Zhou
Relying on the model's performance, iMAS employs a class-weighted symmetric intersection-over-union to evaluate quantitative hardness of each unlabeled instance and supervises the training on unlabeled data in a model-adaptive manner.
no code implementations • 22 Aug 2022 • Zhanyu Wang, Mingkang Tang, Lei Wang, Xiu Li, Luping Zhou
Automated radiographic report generation is a challenging cross-domain task that aims to automatically generate accurate and semantic-coherence reports to describe medical images.
no code implementations • 12 Aug 2022 • Zhongyan Zhang, Lei Wang, Yang Wang, Luping Zhou, Jianjia Zhang, Peng Wang, Fang Chen
Although achieving promising results, this approach is restricted by two issues: 1) the domain gap between benchmark datasets and the dataset of a given retrieval task; 2) the required auxiliary dataset cannot be readily obtained.
1 code implementation • 9 Aug 2022 • Yue Duan, Lei Qi, Lei Wang, Luping Zhou, Yinghuan Shi
In this work, we propose Reciprocal Distribution Alignment (RDA) to address semi-supervised learning (SSL), which is a hyperparameter-free framework that is independent of confidence threshold and works with both the matched (conventionally) and the mismatched class distributions.
1 code implementation • 4 Aug 2022 • Xianghui Yang, Guosheng Lin, Luping Zhou
Single-view 3D object reconstruction is a fundamental and challenging computer vision task that aims at recovering 3D shapes from single-view RGB images.
no code implementations • TIP 2022 • Peiqin Zhuang, Yu Guo, Zhipeng Yu, Luping Zhou, Lei Bai, Ding Liang, Zhiyong Wang, Yali Wang, Wanli Ouyang
To address this issue, we introduce a Motion Diversification and Selection (MoDS) module to generate diversified spatio-temporal motion features and then select the suitable motion representation dynamically for categorizing the input video.
Ranked #19 on Action Recognition on Something-Something V1
no code implementations • 15 May 2022 • Mengwei Yuan, Gang Yang, Shijie Song, Luping Zhou, Robert Minasian, Xiaoke Yi
The correlation coefficient of the prediction by the presented PTCN model remains greater than 0. 974 even when the size of training data is decreased to 17%.
1 code implementation • 27 Mar 2022 • Yue Duan, Zhen Zhao, Lei Qi, Lei Wang, Luping Zhou, Yinghuan Shi, Yang Gao
The core issue in semi-supervised learning (SSL) lies in how to effectively leverage unlabeled data, whereas most existing methods tend to put a great emphasis on the utilization of high-confidence samples yet seldom fully explore the usage of low-confidence samples.
no code implementations • CVPR 2022 • Zhen Zhao, Luping Zhou, Yue Duan, Lei Wang, Lei Qi, Yinghuan Shi
Consistency-based Semi-supervised learning (SSL) has achieved promising performance recently.
no code implementations • 6 Aug 2021 • Shengqi Huang, Wanqi Yang, Lei Wang, Luping Zhou, Ming Yang
Inspired by the recent local descriptor based few-shot learning (FSL), our general UDA model is fully built upon local descriptors (LDs) for image classification and domain adaptation.
1 code implementation • 24 Jul 2021 • Qian Yu, Lei Qi, Luping Zhou, Lei Wang, Yilong Yin, Yinghuan Shi, Wuzhang Wang, Yang Gao
Together, the above two schemes give rise to a novel double-branch encoder segmentation framework for medical image segmentation, namely Crosslink-Net.
no code implementations • CVPR 2021 • Zhanyu Wang, Luping Zhou, Lei Wang, Xiu Li
On one hand, the image-text matching branch helps to learn highly text-correlated visual features for the report generation branch to output high quality reports.
no code implementations • 16 Oct 2020 • Yuang Shi, Chen Zu, Mei Hong, Luping Zhou, Lei Wang, Xi Wu, Jiliu Zhou, Daoqiang Zhang, Yan Wang
With the increasing amounts of high-dimensional heterogeneous data to be processed, multi-modality feature selection has become an important research direction in medical image analysis.
1 code implementation • NeurIPS 2020 • Keyu Tian, Chen Lin, Ming Sun, Luping Zhou, Junjie Yan, Wanli Ouyang
On CIFAR-10, we achieve a top-1 error rate of 1. 24%, which is currently the best performing single model without extra training data.
1 code implementation • 14 Aug 2020 • Xianghui Yang, Bairun Wang, Kaige Chen, Xinchi Zhou, Shuai Yi, Wanli Ouyang, Luping Zhou
(2) The object categories at the training and inference stages have no overlap, leaving the inter-class gap.
no code implementations • 11 Jun 2020 • Pin Tang, Chen Zu, Mei Hong, Rui Yan, Xingchen Peng, Jianghong Xiao, Xi Wu, Jiliu Zhou, Luping Zhou, Yan Wang
In this paper, we propose a Dense SegU-net (DSU-net) framework for automatic NPC segmentation in MRI.
no code implementations • 20 Apr 2020 • Wanqi Yang, Tong Ling, Chengmei Yang, Lei Wang, Yinghuan Shi, Luping Zhou, Ming Yang
To address this issue, we propose a novel approach called Conditional ADversarial Image Translation (CADIT) to explicitly align the class distributions given samples between the two domains.
1 code implementation • 15 Jan 2020 • Tennison Liu, Nhan Duy Truong, Armin Nikpour, Luping Zhou, Omid Kavehei
Epilepsy affects nearly 1% of the global population, of which two thirds can be treated by anti-epileptic drugs and a much lower percentage by surgery.
no code implementations • 20 Nov 2019 • Saimunur Rahman, Lei Wang, Changming Sun, Luping Zhou
This paper provides a comprehensive review of the existing deep learning based HEp-2 cell image classification methods.
no code implementations • CVPR 2019 • Rui Su, Wanli Ouyang, Luping Zhou, Dong Xu
Specifically, we first generate a larger set of region proposals by combining the latest region proposals from both streams, from which we can readily obtain a larger set of labelled training samples to help learn better action detection models.
no code implementations • ICCV 2019 • Lei Qi, Lei Wang, Jing Huo, Luping Zhou, Yinghuan Shi, Yang Gao
For the first issue, we highlight the presence of camera-level sub-domains as a unique characteristic of person Re-ID, and develop camera-aware domain adaptation to reduce the discrepancy not only between source and target domains but also across these sub-domains.
Ranked #20 on Unsupervised Domain Adaptation on Market to Duke
1 code implementation • 27 Apr 2018 • Jinquan Sun, Yinghuan Shi, Yang Gao, Lei Wang, Luping Zhou, Wanqi Yang, Dinggang Shen
In this paper, we present a novel method for interactive medical image segmentation with the following merits.
no code implementations • ECCV 2018 • Melih Engin, Lei Wang, Luping Zhou, Xinwang Liu
Being symmetric positive-definite (SPD), covariance matrix has traditionally been used to represent a set of local descriptors in visual recognition.
no code implementations • CVPR 2017 • Luping Zhou, Lei Wang, Jianjia Zhang, Yinghuan Shi, Yang Gao
The proposed method has been tested on multiple SPD-based visual representation data sets used in the literature, and the results demonstrate its interesting properties and attractive performance.
no code implementations • 27 Oct 2016 • Jianjia Zhang, Lei Wang, Luping Zhou, Wanqing Li
A variety of methods have been proposed to boost its efficacy, with some recent ones resorting to nonlinear kernel technique.
no code implementations • 29 Sep 2016 • Wenbin Li, Yang Gao, Lei Wang, Luping Zhou, Jing Huo, Yinghuan Shi
To achieve a low computational cost when performing online metric learning for large-scale data, we present a one-pass closed-form solution namely OPML in this paper.
no code implementations • ICCV 2015 • Lei Wang, Jianjia Zhang, Luping Zhou, Chang Tang, Wanqing Li
It proposes an open framework to use the kernel matrix over feature dimensions as a generic representation and discusses its properties and advantages.
no code implementations • 23 Jun 2015 • Luping Zhou, Lei Wang, Lingqiao Liu, Philip Ogunbona, Dinggang Shen
This brings two general discriminative learning frameworks for Gaussian Bayesian networks (GBN).
no code implementations • 10 Apr 2015 • Zhimin Gao, Lei Wang, Luping Zhou, Jianjia Zhang
Efficient Human Epithelial-2 (HEp-2) cell image classification can facilitate the diagnosis of many autoimmune diseases.
1 code implementation • 8 Jul 2014 • Jianjia Zhang, Lei Wang, Luping Zhou, Wanqing Li
A comprehensive experimental study is conducted on a variety of image classification tasks to compare our proposed discriminative Stein kernel with the original Stein kernel and other commonly used methods for evaluating the similarity between SPD matrices.
no code implementations • CVPR 2014 • Luping Zhou, Lei Wang, Philip Ogunbona
In this paper, we propose a learning framework to effectively improve the discriminative power of SICEs by taking advantage of the samples in the opposite class.
no code implementations • 3 Oct 2013 • Fayao Liu, Luping Zhou, Chunhua Shen, Jianping Yin
In this work, we propose a novel multiple kernel learning framework to combine multi-modal features for AD classification, which is scalable and easy to implement.
no code implementations • CVPR 2013 • Luping Zhou, Lei Wang, Lingqiao Liu, Philip Ogunbona, Dinggang Shen
Analyzing brain networks from neuroimages is becoming a promising approach in identifying novel connectivitybased biomarkers for the Alzheimer's disease (AD).
no code implementations • CVPR 2013 • Lei Wang, Jianjia Zhang, Luping Zhou, Wanqing Li
Distributional word clustering merges the words having similar probability distributions to attain reliable parameter estimation, compact classification models and even better classification performance.