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In semantic segmentation, the creation of pixel-level labels for training data incurs significant costs. To address this problem, semi-supervised learning, which utilizes a small number of labeled images alongside unlabeled images to…

计算机视觉与模式识别 · 计算机科学 2026-04-09 Takahiro Mano , Reiji Saito , Kazuhiro Hotta

Sampling is a pivotal element in the design of metasurfaces, enabling a broad spectrum of applications. Despite its flexibility, sampling can result in reduced efficiency and unintended diffractions, which are more pronounced at high…

光学 · 物理学 2024-06-18 Seokwoo Kim , Joohoon Kim , Kyungtae Kim , Minsu Jeong , Junsuk Rho

Missing data in supervised learning is well-studied, but the specific issue of missing labels during model evaluation has been overlooked. Ignoring samples with missing values, a common solution, can introduce bias, especially when data is…

机器学习 · 计算机科学 2025-04-28 Danial Dervovic , Michael Cashmore

Prior work has shown that Visual Recognition datasets frequently underrepresent bias groups $B$ (\eg Female) within class labels $Y$ (\eg Programmers). This dataset bias can lead to models that learn spurious correlations between class…

计算机视觉与模式识别 · 计算机科学 2023-04-28 Maan Qraitem , Kate Saenko , Bryan A. Plummer

Transfer learning from large-scale pre-trained models has become essential for many computer vision tasks. Recent studies have shown that datasets like ImageNet are weakly labeled since images with multiple object classes present are…

计算机视觉与模式识别 · 计算机科学 2021-11-25 Sai Rajeswar , Pau Rodriguez , Soumye Singhal , David Vazquez , Aaron Courville

Continuous and global detection of large methane emissions is a crucial step for global warming mitigation. Satellite observations, such as from S5P/TROPOMI, combined with plume detection algorithms, can play a key role in this effort.…

机器学习 · 计算机科学 2026-05-27 Solomiia Kurchaba , Joannes D. Maasakkers , Berend J. Schuit , Ilse Aben

Cell detection is an essential task in cell image analysis. Recent deep learning-based detection methods have achieved very promising results. In general, these methods require exhaustively annotating the cells in an entire image. If some…

计算机视觉与模式识别 · 计算机科学 2021-07-22 Kazuma Fujii , Daiki Suehiro , Kazuya Nishimura , Ryoma Bise

Learning generalized models from biased data is an important undertaking toward fairness in deep learning. To address this issue, recent studies attempt to identify and leverage bias-conflicting samples free from spurious correlations…

机器学习 · 计算机科学 2024-11-04 Yeonsung Jung , Jaeyun Song , June Yong Yang , Jin-Hwa Kim , Sung-Yub Kim , Eunho Yang

Semi-Supervised Learning (SSL) is fundamentally a missing label problem, in which the label Missing Not At Random (MNAR) problem is more realistic and challenging, compared to the widely-adopted yet naive Missing Completely At Random…

计算机视觉与模式识别 · 计算机科学 2022-07-01 Xinting Hu , Yulei Niu , Chunyan Miao , Xian-Sheng Hua , Hanwang Zhang

Missing data is a common problem in medical research, and is commonly addressed using multiple imputation. Although traditional imputation methods allow for valid statistical inference when data are missing at random (MAR), their…

Many surveys use maximum-likelihood (ML) methods to fit models when extracting photometry from images. We show these ML estimators systematically overestimate the flux as a function of the signal-to-noise ratio and the number of model…

天体物理仪器与方法 · 物理学 2020-03-25 Stephen K. N. Portillo , Joshua S. Speagle , Douglas P. Finkbeiner

In this paper we propose a bayesian approach for near-duplicate image detection, and investigate how different probabilistic models affect the performance obtained. The task of identifying an image whose metadata are missing is often…

计算机视觉与模式识别 · 计算机科学 2021-08-23 Lucas Moutinho Bueno , Eduardo Valle , Ricardo da Silva Torres

Metacalibration is a new technique for measuring weak gravitational lensing shear that is unbiased for isolated galaxy images. In this work we test metacalibration with overlapping, or ``blended'' galaxy images. Using standard…

宇宙学与河外天体物理 · 物理学 2020-10-28 Erin S. Sheldon , Matthew R. Becker , Niall MacCrann , Michael Jarvis

A deraining network can be interpreted as a conditional generator that aims at removing rain streaks from image. Most existing image deraining methods ignore model errors caused by uncertainty that reduces embedding quality. Unlike existing…

图像与视频处理 · 电气工程与系统科学 2021-06-22 Chenghao Chen , Hao Li

Medical images usually suffer from image degradation in clinical practice, leading to decreased performance of deep learning-based models. To resolve this problem, most previous works have focused on filtering out degradation-causing…

图像与视频处理 · 电气工程与系统科学 2023-04-17 Haoxuan Che , Siyu Chen , Hao Chen

A common approach for handling missing values in data analysis pipelines is multiple imputation via software packages such as MICE (Van Buuren and Groothuis-Oudshoorn, 2011) and Amelia (Honaker et al., 2011). These packages typically assume…

统计方法学 · 统计学 2025-07-23 Trung Phung , Kyle Reese , Ilya Shpitser , Rohit Bhattacharya

Semi-supervised learning (SSL) has made significant strides in the field of remote sensing. Finding a large number of labeled datasets for SSL methods is uncommon, and manually labeling datasets is expensive and time-consuming. Furthermore,…

计算机视觉与模式识别 · 计算机科学 2022-12-22 Fahmida Tasnim Lisa , Md. Zarif Hossain , Sharmin Naj Mou , Shahriar Ivan , Md. Hasanul Kabir

The crux of semi-supervised semantic segmentation is to assign adequate pseudo-labels to the pixels of unlabeled images. A common practice is to select the highly confident predictions as the pseudo ground-truth, but it leads to a problem…

计算机视觉与模式识别 · 计算机科学 2022-03-15 Yuchao Wang , Haochen Wang , Yujun Shen , Jingjing Fei , Wei Li , Guoqiang Jin , Liwei Wu , Rui Zhao , Xinyi Le

Few-shot semantic segmentation addresses the learning task in which only few images with ground truth pixel-level labels are available for the novel classes of interest. One is typically required to collect a large mount of data (i.e., base…

计算机视觉与模式识别 · 计算机科学 2021-11-03 Yuan-Hao Lee , Fu-En Yang , Yu-Chiang Frank Wang

One of the key approximations to range simulation is downscaling the image, dictated by the natural trigonometric relationships that arise due to long-distance viewing. It is well-known that standard downsampling applied to an image without…

信号处理 · 电气工程与系统科学 2025-05-12 Suayb S. Arslan , Lukas Vogelsang , Michal Fux , Pawan Sinha