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Deep learning based medical imaging classification models usually suffer from the domain shift problem, where the classification performance drops when training data and real-world data differ in imaging equipment manufacturer, image…

计算机视觉与模式识别 · 计算机科学 2022-06-01 Wenshuo Zhou , Dalu Yang , Binghong Wu , Yehui Yang , Junde Wu , Xiaorong Wang , Lei Wang , Haifeng Huang , Yanwu Xu

Simultaneous segmentation of multiple organs from different medical imaging modalities is a crucial task as it can be utilized for computer-aided diagnosis, computer-assisted surgery, and therapy planning. Thanks to the recent advances in…

计算机视觉与模式识别 · 计算机科学 2021-09-16 Saeid Asgari Taghanaki , Yefeng Zheng , S. Kevin Zhou , Bogdan Georgescu , Puneet Sharma , Daguang Xu , Dorin Comaniciu , Ghassan Hamarneh

Deep learning models achieve state-of-the-art performance across domains but face scalability challenges in real-time or resource-constrained scenarios. To address this, we propose Loss Trajectory Correlation (LTC), a novel metric for…

机器学习 · 计算机科学 2025-03-14 Manish Nagaraj , Deepak Ravikumar , Efstathia Soufleri , Kaushik Roy

Accurately assessing the perceptual quality of face images is crucial, especially with the rapid progress in face restoration and generation. Traditional quality assessment methods often struggle with the unique characteristics of face…

多媒体 · 计算机科学 2025-08-12 Xiongwei Xiao , Baoying Chen , Jishen Zeng , Jianquan Yang

In real world datasets, particular groups are under-represented, much rarer than others, and machine learning classifiers will often preform worse on under-represented populations. This problem is aggravated across many domains where…

机器学习 · 计算机科学 2023-02-10 Arghya Datta , S. Joshua Swamidass

Brain tumor is a common and fatal form of cancer which affects both adults and children. The classification of brain tumors into different types is hence a crucial task, as it greatly influences the treatment that physicians will prescribe.…

计算机视觉与模式识别 · 计算机科学 2021-08-10 Tian Yu Liu , Jiashi Feng

Today, scene graph generation(SGG) task is largely limited in realistic scenarios, mainly due to the extremely long-tailed bias of predicate annotation distribution. Thus, tackling the class imbalance trouble of SGG is critical and…

计算机视觉与模式识别 · 计算机科学 2020-09-03 Shaotian Yan , Chen Shen , Zhongming Jin , Jianqiang Huang , Rongxin Jiang , Yaowu Chen , Xian-Sheng Hua

Lung nodule classification is a class imbalanced problem because nodules are found with much lower frequency than non-nodules. In the class imbalanced problem, conventional classifiers tend to be overwhelmed by the majority class and ignore…

计算机视觉与模式识别 · 计算机科学 2017-03-22 Masaharu Sakamoto , Hiroki Nakano , Kun Zhao , Taro Sekiyama

Learning from an imbalanced dataset is a tricky proposition. Because these datasets are biased towards one class, most existing classifiers tend not to perform well on minority class examples. Conventional classifiers usually aim to…

机器学习 · 计算机科学 2022-07-18 Tanujit Chakraborty , Ashis Kumar Chakraborty

Deep representation learning using triplet network for classification suffers from a lack of theoretical foundation and difficulty in tuning both the network and classifiers for performance. To address the problem, local-margin triplet loss…

Few-shot image classification remains a critical challenge in the field of computer vision, particularly in data-scarce environments. Existing methods typically rely on pre-trained visual-language models, such as CLIP. However, due to the…

计算机视觉与模式识别 · 计算机科学 2026-02-17 Xi Yang , Pai Peng , Wulin Xie , Xiaohuan Lu , Jie Wen

Despite the breakthroughs achieved by deep learning models in conventional supervised learning scenarios, their dependence on sufficient labeled training data in each class prevents effective applications of these deep models in situations…

机器学习 · 计算机科学 2018-04-20 Meng Ye , Yuhong Guo

Most existing 3D object recognition algorithms focus on leveraging the strong discriminative power of deep learning models with softmax loss for the classification of 3D data, while learning discriminative features with deep metric learning…

计算机视觉与模式识别 · 计算机科学 2018-03-19 Xinwei He , Yang Zhou , Zhichao Zhou , Song Bai , Xiang Bai

Prior-data fitted networks (PFNs) have achieved exceptional performance on tabular classification tasks. However, like other classifiers, their performance can suffer under the effect of class imbalance, resulting in poor performance for…

机器学习 · 计算机科学 2026-05-22 Samuel McDowell , Nathan Stromberg , Lalitha Sankar

Medical image segmentation has played an important role in medical analysis and widely developed for many clinical applications. Deep learning-based approaches have achieved high performance in semantic segmentation but they are limited to…

图像与视频处理 · 电气工程与系统科学 2020-12-07 Ngan Le , Trung Le , Kashu Yamazaki , Toan Duc Bui , Khoa Luu , Marios Savides

Learning discriminative image representations plays a vital role in long-tailed image classification because it can ease the classifier learning in imbalanced cases. Given the promising performance contrastive learning has shown recently in…

计算机视觉与模式识别 · 计算机科学 2021-03-29 Peng Wang , Kai Han , Xiu-Shen Wei , Lei Zhang , Lei Wang

In this paper, we propose a novel image process scheme called class-based expansion learning for image classification, which aims at improving the supervision-stimulation frequency for the samples of the confusing classes. Class-based…

计算机视觉与模式识别 · 计算机科学 2021-08-11 Hui Wang , Hanbin Zhao , Xi Li

This paper presents Prototypical Contrastive Learning (PCL), an unsupervised representation learning method that addresses the fundamental limitations of instance-wise contrastive learning. PCL not only learns low-level features for the…

计算机视觉与模式识别 · 计算机科学 2021-03-31 Junnan Li , Pan Zhou , Caiming Xiong , Steven C. H. Hoi

We focus on the real-world problem of training accurate deep models for image classification of a small number of rare categories. In these scenarios, almost all images belong to the background category in the dataset (>95% of the dataset…

计算机视觉与模式识别 · 计算机科学 2020-09-01 Ravi Teja Mullapudi , Fait Poms , William R. Mark , Deva Ramanan , Kayvon Fatahalian