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Unlabeled data is often abundant in the clinic, making machine learning methods based on semi-supervised learning a good match for this setting. Despite this, they are currently receiving relatively little attention in medical image…

计算机视觉与模式识别 · 计算机科学 2020-10-26 Valentyn Melnychuk , Evgeniy Faerman , Ilja Manakov , Thomas Seidl

Using deep learning, we now have the ability to create exceptionally good semantic segmentation systems; however, collecting the prerequisite pixel-wise annotations for training images remains expensive and time-consuming. Therefore, it…

计算机视觉与模式识别 · 计算机科学 2022-10-19 Aneesh Rangnekar , Christopher Kanan , Matthew Hoffman

The paradigm of data programming, which uses weak supervision in the form of rules/labelling functions, and semi-supervised learning, which augments small amounts of labelled data with a large unlabelled dataset, have shown great promise in…

In this paper, we propose a new wrapper feature selection approach with partially labeled training examples where unlabeled observations are pseudo-labeled using the predictions of an initial classifier trained on the labeled training set.…

机器学习 · 计算机科学 2020-03-11 Vasilii Feofanov , Emilie Devijver , Massih-Reza Amini

Given an unlabeled dataset and an annotation budget, we study how to selectively label a fixed number of instances so that semi-supervised learning (SSL) on such a partially labeled dataset is most effective. We focus on selecting the right…

机器学习 · 计算机科学 2023-08-24 Xudong Wang , Long Lian , Stella X. Yu

The unsupervised pretraining of object detectors has recently become a key component of object detector training, as it leads to improved performance and faster convergence during the supervised fine-tuning stage. Existing unsupervised…

计算机视觉与模式识别 · 计算机科学 2024-07-09 Ioannis Maniadis Metaxas , Adrian Bulat , Ioannis Patras , Brais Martinez , Georgios Tzimiropoulos

Deep learning usually achieves the best results with complete supervision. In the case of semantic segmentation, this means that large amounts of pixelwise annotations are required to learn accurate models. In this paper, we show that we…

计算机视觉与模式识别 · 计算机科学 2020-05-07 Yi Zhu , Zhongyue Zhang , Chongruo Wu , Zhi Zhang , Tong He , Hang Zhang , R. Manmatha , Mu Li , Alexander Smola

Cryo-EM is a powerful tool for understanding macromolecular structures, yet current methods for structure reconstruction are slow and computationally demanding. To accelerate research on pose estimation, we present CESPED, a new dataset…

定量方法 · 定量生物学 2024-05-03 Ruben Sanchez-Garcia , Michael Saur , Javier Vargas , Carl Poelking , Charlotte M Deane

Weeds present a significant challenge in agriculture, causing yield loss and requiring expensive control measures. Automatic weed detection using computer vision and deep learning offers a promising solution. However, conventional deep…

计算机视觉与模式识别 · 计算机科学 2024-05-14 Alzayat Saleh , Alex Olsen , Jake Wood , Bronson Philippa , Mostafa Rahimi Azghadi

Deep convolutional neural networks are widely used in medical image segmentation but require many labeled images for training. Annotating three-dimensional medical images is a time-consuming and costly process. To overcome this limitation,…

计算机视觉与模式识别 · 计算机科学 2024-07-08 Weiyi Xie , Nathalie Willems , Nikolas Lessmann , Tom Gibbons , Daniele De Massari

3D Referring Expression Segmentation (3D-RES) typically requires extensive instance-level annotations, which are time-consuming and costly. Semi-supervised learning (SSL) mitigates this by using limited labeled data alongside abundant…

计算机视觉与模式识别 · 计算机科学 2025-04-18 Wenxin Chen , Mengxue Qu , Weitai Kang , Yan Yan , Yao Zhao , Yunchao Wei

We consider statistical inference under a semi-supervised setting where we have access to both a labeled dataset consisting of pairs $\{X_i, Y_i \}_{i=1}^n$ and an unlabeled dataset $\{ X_i \}_{i=n+1}^{n+N}$. We ask the question: under what…

统计理论 · 数学 2025-03-20 Zichun Xu , Daniela Witten , Ali Shojaie

Classification predicts classes of objects using the knowledge learned during the training phase. This process requires learning from labeled samples. However, the labeled samples usually limited. Annotation process is annoying, tedious,…

机器学习 · 计算机科学 2017-06-06 Shahira Shaaban Azab , Mohamed Farouk Abdel Hady , Hesham Ahmed Hefny

Semi-supervised learning aims to leverage numerous unlabeled data to improve the model performance. Current semi-supervised 3D object detection methods typically use a teacher to generate pseudo labels for a student, and the quality of the…

计算机视觉与模式识别 · 计算机科学 2024-07-16 Xiaopei Wu , Liang Peng , Liang Xie , Yuenan Hou , Binbin Lin , Xiaoshui Huang , Haifeng Liu , Deng Cai , Wanli Ouyang

In video surveillance, person re-identification is the task of searching person images in non-overlapping cameras. Though supervised methods for person re-identification have attained impressive performance, obtaining large scale cross-view…

计算机视觉与模式识别 · 计算机科学 2019-10-10 T M Feroz Ali , Subhasis Chaudhuri

Effective weed control plays a crucial role in optimizing crop yield and enhancing agricultural product quality. However, the reliance on herbicide application not only poses a critical threat to the environment but also promotes the…

计算机视觉与模式识别 · 计算机科学 2024-03-07 Jiajia Li , Dong Chen , Xunyuan Yin , Zhaojian Li

Recent advancements in Deep Neural Network (DNN) models have significantly improved performance across computer vision tasks. However, achieving highly generalizable and high-performing vision models requires expansive datasets, resulting…

计算机视觉与模式识别 · 计算机科学 2024-08-13 Minhyun Lee , Song Park , Byeongho Heo , Dongyoon Han , Hyunjung Shim

This paper presents a simple yet effective two-stage framework for semi-supervised medical image segmentation. Unlike prior state-of-the-art semi-supervised segmentation methods that predominantly rely on pseudo supervision directly on…

计算机视觉与模式识别 · 计算机科学 2023-08-01 Huimin Wu , Xiaomeng Li , Kwang-Ting Cheng

Semi-supervised instance segmentation poses challenges due to limited labeled data, causing difficulties in accurately localizing distinct object instances. Current teacher-student frameworks still suffer from performance constraints due to…

计算机视觉与模式识别 · 计算机科学 2025-04-08 Heeji Yoon , Heeseong Shin , Eunbeen Hong , Hyunwook Choi , Hansang Cho , Daun Jeong , Seungryong Kim

Unsupervised representation learning algorithms such as word2vec and ELMo improve the accuracy of many supervised NLP models, mainly because they can take advantage of large amounts of unlabeled text. However, the supervised models only…

计算与语言 · 计算机科学 2018-09-25 Kevin Clark , Minh-Thang Luong , Christopher D. Manning , Quoc V. Le