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Many recent delineation techniques owe much of their increased effectiveness to path classification algorithms that make it possible to distinguish promising paths from others. The downside of this development is that they require annotated…

计算机视觉与模式识别 · 计算机科学 2015-12-03 Agata Mosinska , Raphael Sznitman , Przemysław Głowacki , Pascal Fua

Cold-Start Active Learning (CSAL) aims to select informative samples for annotation without prior knowledge, which is important for improving annotation efficiency and model performance under a limited annotation budget in medical image…

计算机视觉与模式识别 · 计算机科学 2025-10-13 Ning Zhu , Xiaochuan Ma , Shaoting Zhang , Guotai Wang

Multi-task learning is central to many real-world applications. Unfortunately, obtaining labelled data for all tasks is time-consuming, challenging, and expensive. Active Learning (AL) can be used to reduce this burden. Existing techniques…

计算机视觉与模式识别 · 计算机科学 2022-11-22 Nikita Durasov , Nik Dorndorf , Pascal Fua

Objective: Medical image datasets with pixel-level labels tend to have a limited number of organ or tissue label classes annotated, even when the images have wide anatomical coverage. With supervised learning, multiple classifiers are…

The performance of learning-based algorithms improves with the amount of labelled data used for training. Yet, manually annotating data is particularly difficult for medical image segmentation tasks because of the limited expert…

计算机视觉与模式识别 · 计算机科学 2023-09-12 Mélanie Gaillochet , Christian Desrosiers , Hervé Lombaert

Segmentation of magnetic resonance (MR) images is a fundamental step in many medical imaging-based applications. The recent implementation of deep convolutional neural networks (CNNs) in image processing has been shown to have significant…

计算机视觉与模式识别 · 计算机科学 2018-12-04 Fang Liu

Imaging in clinical routine is subject to changing scanner protocols, hardware, or policies in a typically heterogeneous set of acquisition hardware. Accuracy and reliability of deep learning models suffer from those changes as data and…

机器学习 · 计算机科学 2021-06-08 Matthias Perkonigg , Johannes Hofmanninger , Georg Langs

Training a Convolutional Neural Network (CNN) for semantic segmentation typically requires to collect a large amount of accurate pixel-level annotations, a hard and expensive task. In contrast, simple image tags are easier to gather. With…

计算机视觉与模式识别 · 计算机科学 2019-02-25 Carolina Redondo-Cabrera , Marcos Baptista-Ríos , Roberto J. López-Sastre

Quantitative analysis of cell nuclei in microscopic images is an essential yet challenging source of biological and pathological information. The major challenge is accurate detection and segmentation of densely packed nuclei in images…

定量方法 · 定量生物学 2019-11-14 Linqing Feng , Jun Ho Song , Jiwon Kim , Soomin Jeong , Jin Sung Park , Jinhyun Kim

Fiber-shaped materials (e.g. carbon nano tubes) are of great relevance, due to their unique properties but also the health risk they can impose. Unfortunately, image-based analysis of fibers still involves manual annotation, which is a…

计算机视觉与模式识别 · 计算机科学 2020-10-21 Max Frei , Frank Einar Kruis

We propose a novel Active Learning framework capable to train effectively a convolutional neural network for semantic segmentation of medical imaging, with a limited amount of training labeled data. Our contribution is a practical…

计算机视觉与模式识别 · 计算机科学 2017-11-29 Marc Gorriz , Axel Carlier , Emmanuel Faure , Xavier Giro-i-Nieto

Deep convolutional neural networks (CNNs) have shown excellent performance in object recognition tasks and dense classification problems such as semantic segmentation. However, training deep neural networks on large and sparse datasets is…

计算机视觉与模式识别 · 计算机科学 2017-12-25 Lorenz Berger , Eoin Hyde , M. Jorge Cardoso , Sebastien Ourselin

In this paper, we introduce the FOCAL (Ford-OLIVES Collaboration on Active Learning) dataset which enables the study of the impact of annotation-cost within a video active learning setting. Annotation-cost refers to the time it takes an…

计算机视觉与模式识别 · 计算机科学 2023-11-20 Kiran Kokilepersaud , Yash-Yee Logan , Ryan Benkert , Chen Zhou , Mohit Prabhushankar , Ghassan AlRegib , Enrique Corona , Kunjan Singh , Mostafa Parchami

Because manufacturing processes evolve fast, and since production visual aspect can vary significantly on a daily basis, the ability to rapidly update machine vision based inspection systems is paramount. Unfortunately, supervised learning…

计算机视觉与模式识别 · 计算机科学 2021-07-23 Antoine Cordier , Deepan Das , Pierre Gutierrez

A major problem with Active Learning (AL) is high training costs since models are typically retrained from scratch after every query round. We start by demonstrating that standard AL on neural networks with warm starting fails, both to…

机器学习 · 计算机科学 2023-12-14 Arnav Das , Gantavya Bhatt , Megh Bhalerao , Vianne Gao , Rui Yang , Jeff Bilmes

Deep learning techniques have gained considerable attention for their ability to accelerate MRI data acquisition while maintaining scan quality. In this work, we present a convolutional neural network (CNN) based framework for learning…

图像与视频处理 · 电气工程与系统科学 2025-09-23 Aryan Dhar , Siddhant Gautam , Saiprasad Ravishankar

Active Learning (AL) has the potential to solve a major problem of digital pathology: the efficient acquisition of labeled data for machine learning algorithms. However, existing AL methods often struggle in realistic settings with…

计算机视觉与模式识别 · 计算机科学 2024-04-09 Arne Schmidt , Pablo Morales-Álvarez , Lee A. D. Cooper , Lee A. Newberg , Andinet Enquobahrie , Aggelos K. Katsaggelos , Rafael Molina

While convolutional neural networks (CNNs) have achieved excellent performances in various computer vision tasks, they often misclassify with malicious samples, a.k.a. adversarial examples. Adversarial training is a popular and…

计算机视觉与模式识别 · 计算机科学 2023-02-17 Hiroki Adachi , Tsubasa Hirakawa , Takayoshi Yamashita , Hironobu Fujiyoshi , Yasunori Ishii , Kazuki Kozuka

Semantic image segmentation is one of the most important tasks in medical image analysis. Most state-of-the-art deep learning methods require a large number of accurately annotated examples for model training. However, accurate annotation…

计算机视觉与模式识别 · 计算机科学 2020-04-21 Ning Zhang , Susan Francis , Rayaz Malik , Xin Chen

Image annotation is one of the most essential tasks for guaranteeing proper treatment for patients and tracking progress over the course of therapy in the field of medical imaging and disease diagnosis. However, manually annotating a lot of…

计算机视觉与模式识别 · 计算机科学 2024-03-25 Md Abdul Kadir , Hasan Md Tusfiqur Alam , Pascale Maul , Hans-Jürgen Profitlich , Moritz Wolf , Daniel Sonntag