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The conventional detectors tend to make imbalanced classification and suffer performance drop, when the distribution of the training data is severely skewed. In this paper, we propose to use the mean classification score to indicate the…

计算机视觉与模式识别 · 计算机科学 2021-08-19 Chengjian Feng , Yujie Zhong , Weilin Huang

Barren-plateau results have established exponential gradient suppression as a widely cited obstacle to the scalability of variational quantum algorithms. When and whether these results extend to a given objective has been addressed through…

量子物理 · 物理学 2026-04-22 Gordon Ma , Xiufan Li

This work presents a study on label noise in medical image segmentation by considering a noise model based on Gaussian field deformations. Such noise is of interest because it yields realistic looking segmentations and because it is…

计算机视觉与模式识别 · 计算机科学 2023-07-11 Marcus Nordström , Henrik Hult , Atsuto Maki

One of the most studied machine learning challenges that recent studies have shown the susceptibility of deep neural networks to is the class imbalance problem. While concerted research efforts in this direction have been notable in recent…

This paper considers an anomaly detection problem in which a detection algorithm assigns anomaly scores to multi-dimensional data points, such as cellular networks' Key Performance Indicators (KPIs). We propose an optimization framework to…

信息论 · 计算机科学 2023-09-01 Ali Maatouk , Fadhel Ayed , Wenjie Li , Yu Wang , Hong Zhu , Jiantao Ye

Deep learning algorithms can fare poorly when the training dataset suffers from heavy class-imbalance but the testing criterion requires good generalization on less frequent classes. We design two novel methods to improve performance in…

机器学习 · 计算机科学 2019-10-29 Kaidi Cao , Colin Wei , Adrien Gaidon , Nikos Arechiga , Tengyu Ma

Deep learning has demonstrated significant potential in medical imaging; however, the opacity of "black-box" models hinders clinical trust, while segmentation tasks typically necessitate labourious, hard-to-obtain pixel-wise annotations. To…

图像与视频处理 · 电气工程与系统科学 2026-01-22 Soumick Chatterjee , Hadya Yassin , Florian Dubost , Andreas Nürnberger , Oliver Speck

Few-shot text classification has important application value in low-resource environments. This paper proposes a strategy that combines adaptive fine-tuning, contrastive learning, and regularization optimization to improve the…

计算与语言 · 计算机科学 2025-05-12 Xu Han , Yumeng Sun , Weiqiang Huang , Hongye Zheng , Junliang Du

Visual pattern recognition over agricultural areas is an important application of aerial image processing. In this paper, we consider the multi-modality nature of agricultural aerial images and show that naively combining different…

计算机视觉与模式识别 · 计算机科学 2021-06-08 Siwei Yang , Shaozuo Yu , Bingchen Zhao , Yin Wang

Accurate segmentation of wounds and scale markers in clinical images remainsa significant challenge, crucial for effective wound management and automatedassessment. In this study, we propose a novel dual-attention U-Net++ archi-tecture,…

图像与视频处理 · 电气工程与系统科学 2025-07-14 Daniel Cieślak , Miriam Reca , Olena Onyshchenko , Jacek Rumiński

In many medical imaging and classical computer vision tasks, the Dice score and Jaccard index are used to evaluate the segmentation performance. Despite the existence and great empirical success of metric-sensitive losses, i.e. relaxations…

图像与视频处理 · 电气工程与系统科学 2020-10-27 Tom Eelbode , Jeroen Bertels , Maxim Berman , Dirk Vandermeulen , Frederik Maes , Raf Bisschops , Matthew B. Blaschko

Zero-shot anomaly segmentation using pre-trained foundation models is a promising approach that enables effective algorithms without expensive, domain-specific training or fine-tuning. Ensuring that these methods work across various…

计算机视觉与模式识别 · 计算机科学 2024-05-14 Kevin Stangl , Marius Arvinte , Weilin Xu , Cory Cornelius

Binarization is widely used as an image preprocessing step to separate object especially text from background before recognition. For noisy images with uneven illumination such as degraded documents, threshold values need to be computed…

计算机视觉与模式识别 · 计算机科学 2019-08-01 Chungkwong Chan

Bias in medical AI is often framed as a problem of representation. However, in image-based tasks such as fetal ultrasound, performance disparities can arise even when representation is adequate, because predictive accuracy depends strongly…

Learning unbiased models on imbalanced datasets is a significant challenge. Rare classes tend to get a concentrated representation in the classification space which hampers the generalization of learned boundaries to new test examples. In…

计算机视觉与模式识别 · 计算机科学 2019-04-11 Salman Khan , Munawar Hayat , Waqas Zamir , Jianbing Shen , Ling Shao

Accurate training labels are a key component for multi-class medical image segmentation. Their annotation is costly and time-consuming because it requires domain expertise. This work aims to develop a dual-branch network and automatically…

计算机视觉与模式识别 · 计算机科学 2024-03-07 Jianfei Liu , Christopher Parnell , Ronald M. Summers

Despite the widespread use of machine learning algorithms to solve problems of technological, economic, and social relevance, provable guarantees on the performance of these data-driven algorithms are critically lacking, especially when the…

机器学习 · 计算机科学 2019-03-18 Abed AlRahman Al Makdah , Vaibhav Katewa , Fabio Pasqualetti

In semi-supervised medical image segmentation, the poor quality of unlabeled data and the uncertainty in the model's predictions lead to models that inevitably produce erroneous pseudo-labels. These errors accumulate throughout model…

计算机视觉与模式识别 · 计算机科学 2025-09-30 Shiwei Zhou , Xin Liu , Haifeng Zhao , Bin Luo , Dengdi Sun

Recent studies on contrastive learning have achieved remarkable performance solely by leveraging few labels in the context of medical image segmentation. Existing methods mainly focus on instance discrimination and invariant mapping.…

图像与视频处理 · 电气工程与系统科学 2024-09-24 Chenyu You , Weicheng Dai , Fenglin Liu , Yifei Min , Nicha C. Dvornek , Xiaoxiao Li , David A. Clifton , Lawrence Staib , James S. Duncan

Topological consistency plays a crucial role in the task of boundary segmentation for reticular images, such as cell membrane segmentation in neuron electron microscopic images, grain boundary segmentation in material microscopic images and…

计算机视觉与模式识别 · 计算机科学 2026-05-27 Chuni Liu , Boyuan Ma , Xiaojuan Ban , Yujie Xie , Hao Wang , Weihua Xue , Jingchao Ma , Ke Xu