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The scarcity of labeled data often limits the application of supervised deep learning techniques for medical image segmentation. This has motivated the development of semi-supervised techniques that learn from a mixture of labeled and…

Computer Vision and Pattern Recognition · Computer Science 2019-11-05 Gerda Bortsova , Florian Dubost , Laurens Hogeweg , Ioannis Katramados , Marleen de Bruijne

The advancement of visual tracking has continuously been brought by deep learning models. Typically, supervised learning is employed to train these models with expensive labeled data. In order to reduce the workload of manual annotations…

Computer Vision and Pattern Recognition · Computer Science 2020-07-24 Ning Wang , Wengang Zhou , Yibing Song , Chao Ma , Wei Liu , Houqiang Li

Dataset bias is a critical challenge in machine learning since it often leads to a negative impact on a model due to the unintended decision rules captured by spurious correlations. Although existing works often handle this issue based on…

Machine Learning · Computer Science 2022-04-05 Seonguk Seo , Joon-Young Lee , Bohyung Han

Unsupervised anomaly detection aims to detect defective parts of a sample by having access, during training, to a set of normal, i.e. defect-free, data. It has many applications in fields, such as industrial inspection or medical imaging,…

Image and Video Processing · Electrical Eng. & Systems 2025-09-03 Robin Trombetta , Carole Lartizien

Detecting anomalies using deep learning has become a major challenge over the last years, and is becoming increasingly promising in several fields. The introduction of self-supervised learning has greatly helped many methods including…

Computer Vision and Pattern Recognition · Computer Science 2022-03-18 Loic Jezequel , Ngoc-Son Vu , Jean Beaudet , Aymeric Histace

Reconstruction error-based neural architectures constitute a classical deep learning approach to anomaly detection which has shown great performances. It consists in training an Autoencoder to reconstruct a set of examples deemed to…

Machine Learning · Computer Science 2024-06-06 Fabrizio Angiulli , Fabio Fassetti , Luca Ferragina

When deep learning is applied to visual object recognition, data augmentation is often used to generate additional training data without extra labeling cost. It helps to reduce overfitting and increase the performance of the algorithm. In…

Computer Vision and Pattern Recognition · Computer Science 2014-02-18 Alexey Dosovitskiy , Jost Tobias Springenberg , Thomas Brox

We propose a novel deep learning model for classifying medical images in the setting where there is a large amount of unlabelled medical data available, but labelled data is in limited supply. We consider the specific case of classifying…

Computer Vision and Pattern Recognition · Computer Science 2018-01-03 Antonia Creswell , Alison Pouplin , Anil A Bharath

Estimating building footprint maps from geospatial data is of paramount importance in urban planning, development, disaster management, and various other applications. Deep learning methodologies have gained prominence in building…

Computer Vision and Pattern Recognition · Computer Science 2024-05-07 Anuja Vats , David Völgyes , Martijn Vermeer , Marius Pedersen , Kiran Raja , Daniele S. M. Fantin , Jacob Alexander Hay

To address semi-supervised learning from both labeled and unlabeled data, we present a novel meta-learning scheme. We particularly consider that labeled and unlabeled data share disjoint ground truth label sets, which can be seen tasks like…

Computer Vision and Pattern Recognition · Computer Science 2020-08-26 Yun-Chun Chen , Chao-Te Chou , Yu-Chiang Frank Wang

The essence of unsupervised anomaly detection is to learn the compact distribution of normal samples and detect outliers as anomalies in testing. Meanwhile, the anomalies in real-world are usually subtle and fine-grained in a…

Computer Vision and Pattern Recognition · Computer Science 2022-07-20 Ye Zheng , Xiang Wang , Rui Deng , Tianpeng Bao , Rui Zhao , Liwei Wu

Semantic segmentation is a crucial step in many Earth observation tasks. Large quantity of pixel-level annotation is required to train deep networks for semantic segmentation. Earth observation techniques are applied to varieties of…

Computer Vision and Pattern Recognition · Computer Science 2021-08-11 Sudipan Saha , Lichao Mou , Muhammad Shahzad , Xiao Xiang Zhu

Anomaly detection or more generally outliers detection is one of the most popular and challenging subject in theoretical and applied machine learning. The main challenge is that in general we have access to very few labeled data or no…

Machine Learning · Computer Science 2023-05-31 Mansour Zoubeirou A Mayaki , Michel Riveill

Continual learning aims to learn new tasks incrementally using less computation and memory resources instead of retraining the model from scratch whenever new task arrives. However, existing approaches are designed in supervised fashion…

Computer Vision and Pattern Recognition · Computer Science 2021-08-03 Jiangpeng He , Fengqing Zhu

Facial feature tracking is essential in imaging ballistocardiography for accurate heart rate estimation and enables motor degradation quantification in Parkinson's disease through skin feature tracking. While deep convolutional neural…

Computer Vision and Pattern Recognition · Computer Science 2024-05-09 Jose Chang , Torbjörn E. M. Nordling

Unsupervised learning of visual similarities is of paramount importance to computer vision, particularly due to lacking training data for fine-grained similarities. Deep learning of similarities is often based on relationships between pairs…

Computer Vision and Pattern Recognition · Computer Science 2017-04-12 Miguel A Bautista , Artsiom Sanakoyeu , Björn Ommer

Semi-supervised learning methods are motivated by the availability of large datasets with unlabeled features in addition to labeled data. Unlabeled data is, however, not guaranteed to improve classification performance and has in fact been…

Machine Learning · Statistics 2019-10-25 Xiuming Liu , Dave Zachariah , Johan Wågberg , Thomas B. Schön

To safely deploy autonomous vehicles, onboard perception systems must work reliably at high accuracy across a diverse set of environments and geographies. One of the most common techniques to improve the efficacy of such systems in new…

Computer Vision and Pattern Recognition · Computer Science 2021-03-04 Benjamin Caine , Rebecca Roelofs , Vijay Vasudevan , Jiquan Ngiam , Yuning Chai , Zhifeng Chen , Jonathon Shlens

Supervised learning of convolutional neural networks (CNNs) can require very large amounts of labeled data. Labeling thousands or millions of training examples can be extremely time consuming and costly. One direction towards addressing…

Computer Vision and Pattern Recognition · Computer Science 2017-07-27 Amir Ghaderi , Vassilis Athitsos

We introduce the first completely unsupervised correspondence learning approach for deformable 3D shapes. Key to our model is the understanding that natural deformations (such as changes in pose) approximately preserve the metric structure…

Computer Vision and Pattern Recognition · Computer Science 2018-12-07 Oshri Halimi , Or Litany , Emanuele Rodolà , Alex Bronstein , Ron Kimmel