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Unsupervised embedding learning aims to extract good representation from data without the need for any manual labels, which has been a critical challenge in many supervised learning tasks. This paper proposes a new unsupervised embedding…

机器学习 · 计算机科学 2020-02-28 Sungwon Han , Yizhan Xu , Sungwon Park , Meeyoung Cha , Cheng-Te Li

We focus on a specific use case in anomaly detection where the distribution of normal samples is supported by a lower-dimensional manifold. Here, regularized autoencoders provide a popular approach by learning the identity mapping on the…

计算机视觉与模式识别 · 计算机科学 2024-05-14 Alexander Bauer , Shinichi Nakajima , Klaus-Robert Müller

The use of supervised deep learning techniques to detect pathologies in brain MRI scans can be challenging due to the diversity of brain anatomy and the need for annotated data sets. An alternative approach is to use unsupervised anomaly…

图像与视频处理 · 电气工程与系统科学 2023-03-08 Finn Behrendt , Debayan Bhattacharya , Julia Krüger , Roland Opfer , Alexander Schlaefer

As digital medical imaging becomes more prevalent and archives increase in size, representation learning exposes an interesting opportunity for enhanced medical decision support systems. On the other hand, medical imaging data is often…

计算机视觉与模式识别 · 计算机科学 2018-07-25 Eduardo Pinho , Carlos Costa

Characterizing ultrashort optical pulses has always been a critical but difficult task, which has a broad range of applications. We propose and demonstrate a self-referenced method of characterizing ultrafast pulses with a multimode fiber.…

光学 · 物理学 2019-11-05 Wen Xiong , Brandon Redding , Shai Gertler , Yaron Bromberg , Hemant Tagare , Hui Cao

The lack of fine-grained 3D shape segmentation data is the main obstacle to developing learning-based 3D segmentation techniques. We propose an effective semi-supervised method for learning 3D segmentations from a few labeled 3D shapes and…

计算机视觉与模式识别 · 计算机科学 2022-04-21 Chun-Yu Sun , Yu-Qi Yang , Hao-Xiang Guo , Peng-Shuai Wang , Xin Tong , Yang Liu , Heung-Yeung Shum

Deep learning based semi-supervised learning (SSL) methods have achieved strong performance in medical image segmentation, which can alleviate doctors' expensive annotation by utilizing a large amount of unlabeled data. Unlike most existing…

图像与视频处理 · 电气工程与系统科学 2022-07-26 Zihang Xu , Zhenghua Xu , Shuo Zhang , Thomas Lukasiewicz

Automatic segmentation of brain abnormalities is challenging, as they vary considerably from one pathology to another. Current methods are supervised and require numerous annotated images for each pathology, a strenuous task. To tackle…

图像与视频处理 · 电气工程与系统科学 2021-01-27 Benjamin Lambert , Maxime Louis , Senan Doyle , Florence Forbes , Michel Dojat , Alan Tucholka

We present a novel unsupervised learning framework for single view depth estimation using monocular videos. It is well known in 3D vision that enlarging the baseline can increase the depth estimation accuracy, and jointly optimizing a set…

计算机视觉与模式识别 · 计算机科学 2018-12-11 Lipu Zhou , Jiamin Ye , Montiel Abello , Shengze Wang , Michael Kaess

Deep learning has proven to be a highly effective tool for a wide range of applications, significantly when leveraging the power of multi-loss functions to optimize performance on multiple criteria simultaneously. However, optimal selection…

计算机视觉与模式识别 · 计算机科学 2025-07-29 Amin Golnari , Mostafa Diba

State-of-the-art, high capacity deep neural networks not only require large amounts of labelled training data, they are also highly susceptible to label errors in this data, typically resulting in large efforts and costs and therefore…

机器学习 · 计算机科学 2020-07-20 Christian Haase-Schütz , Rainer Stal , Heinz Hertlein , Bernhard Sick

Deep learning methodologies have been employed in several different fields, with an outstanding success in image recognition applications, such as material quality control, medical imaging, autonomous driving, etc. Deep learning models rely…

计算机视觉与模式识别 · 计算机科学 2022-03-11 Saul Calderon-Ramirez , Shengxiang Yang , David Elizondo

Self-supervised learning has shown great promise due to its capability to train deep learning MRI reconstruction methods without fully-sampled data. Current self-supervised learning methods for physics-guided reconstruction networks split…

图像与视频处理 · 电气工程与系统科学 2022-07-19 Burhaneddin Yaman , Hongyi Gu , Seyed Amir Hossein Hosseini , Omer Burak Demirel , Steen Moeller , Jutta Ellermann , Kâmil Uğurbil , Mehmet Akçakaya

This study introduces a novel self-supervised learning approach for volumetric segmentation of defect indications captured by phased array ultrasonic testing data from Carbon Fiber Reinforced Polymers (CFRPs). By employing this…

信号处理 · 电气工程与系统科学 2024-11-13 Shaun McKnight , Vedran Tunukovic , Amine Hifi , Gareth Pierce , Ehsan Mohseni , Charles MacLeod , Tom OHare

Although deep learning (DL) methods are powerful for solving inverse problems, their reliance on high-quality training data is a major hurdle. This is significant in high-dimensional (dynamic/volumetric) magnetic resonance imaging (MRI),…

图像与视频处理 · 电气工程与系统科学 2024-05-24 Frederic Wang , Han Qi , Alfredo De Goyeneche , Reinhard Heckel , Michael Lustig , Efrat Shimron

Reliable large-scale cell detection and segmentation is the fundamental first step to understanding biological processes in the brain. The ability to phenotype cells at scale can accelerate preclinical drug evaluation and system-level brain…

计算机视觉与模式识别 · 计算机科学 2023-01-03 Son T. Ly , Bai Lin , Hung Q. Vo , Dragan Maric , Badri Roysam , Hien V. Nguyen

White matter bundle segmentation is a cornerstone of modern tractography to study the brain's structural connectivity in domains such as neurological disorders, neurosurgery, and aging. In this study, we present FIESTA (FIbEr Segmentation…

Deep neural networks have increased the accuracy of automatic segmentation, however, their accuracy depends on the availability of a large number of fully segmented images. Methods to train deep neural networks using images for which some,…

The lack of a comprehensive high-resolution atlas of the cerebellum has hampered studies of cerebellar involvement in normal brain function and disease. A good representation of the tightly foliated aspect of the cerebellar cortex is…

图像与视频处理 · 电气工程与系统科学 2023-05-30 Xuan Li , Paule-J Toussaint , Alan Evans , Xue Liu

Ultrasound imaging plays a critical role in the early detection of breast cancer. Accurate identification and segmentation of lesions are essential steps in clinical practice, requiring methods to assist physicians in lesion segmentation.…

计算机视觉与模式识别 · 计算机科学 2024-05-24 Xin Yue , Xiaoling Liu , Qing Zhao , Jianqiang Li , Changwei Song , Suqin Liu , Zhikai Yang , Guanghui Fu
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