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State-of-the-art machine learning models require access to significant amount of annotated data in order to achieve the desired level of performance. While unlabelled data can be largely available and even abundant, annotation process can…

机器学习 · 计算机科学 2020-10-15 Rahaf Aljundi , Nikolay Chumerin , Daniel Olmeda Reino

Collecting an over-the-air wireless communications training dataset for deep learning-based communication tasks is relatively simple. However, labeling the dataset requires expert involvement and domain knowledge, may involve private…

网络与互联网体系结构 · 计算机科学 2024-02-08 Nasim Soltani , Jifan Zhang , Batool Salehi , Debashri Roy , Robert Nowak , Kaushik Chowdhury

Active Learning methods create an optimized labeled training set from unlabeled data. We introduce a novel Online Active Deep Learning method for Medical Image Analysis. We extend our MedAL active learning framework to present new results…

We propose a general purpose active learning algorithm for structured prediction, gathering labeled data for training a model that outputs a set of related labels for an image or video. Active learning starts with a limited initial training…

计算机视觉与模式识别 · 计算机科学 2017-06-16 Mehran Khodabandeh , Zhiwei Deng , Mostafa S. Ibrahim , Shinichi Satoh , Greg Mori

In object detection, the cost of labeling is much high because it needs not only to confirm the categories of multiple objects in an image but also to accurately determine the bounding boxes of each object. Thus, integrating active learning…

计算机视觉与模式识别 · 计算机科学 2023-08-23 Lei Zhao , Bo Li , Xingxing Wei

Many active learning methods belong to the retraining-based approaches, which select one unlabeled instance, add it to the training set with its possible labels, retrain the classification model, and evaluate the criteria that we base our…

机器学习 · 统计学 2017-03-01 Yazhou Yang , Marco Loog

Active learning is commonly used to train label-efficient models by adaptively selecting the most informative queries. However, most active learning strategies are designed to either learn a representation of the data (e.g., embedding or…

机器学习 · 计算机科学 2022-02-07 Namrata Nadagouda , Austin Xu , Mark A. Davenport

Active learning approaches in computer vision generally involve querying strong labels for data. However, previous works have shown that weak supervision can be effective in training models for vision tasks while greatly reducing annotation…

计算机视觉与模式识别 · 计算机科学 2019-10-16 Sai Vikas Desai , Akshay L Chandra , Wei Guo , Seishi Ninomiya , Vineeth N Balasubramanian

Recently, the growing capabilities of deep generative models have underscored their potential in enhancing image classification accuracy. However, existing methods often demand the generation of a disproportionately large number of images…

计算机视觉与模式识别 · 计算机科学 2024-08-16 Tao Huang , Jiaqi Liu , Shan You , Chang Xu

Data preparation, i.e. the process of transforming raw data into a format that can be used for training effective machine learning models, is a tedious and time-consuming task. For image data, preprocessing typically involves a sequence of…

计算机视觉与模式识别 · 计算机科学 2021-04-30 Tran Ngoc Minh , Mathieu Sinn , Hoang Thanh Lam , Martin Wistuba

Self-driving vehicles must perceive and predict the future positions of nearby actors in order to avoid collisions and drive safely. A learned deep learning module is often responsible for this task, requiring large-scale, high-quality…

计算机视觉与模式识别 · 计算机科学 2021-04-09 Sean Segal , Nishanth Kumar , Sergio Casas , Wenyuan Zeng , Mengye Ren , Jingkang Wang , Raquel Urtasun

Effective training of advanced ML models requires large amounts of labeled data, which is often scarce in scientific problems given the substantial human labor and material cost to collect labeled data. This poses a challenge on determining…

机器学习 · 计算机科学 2020-12-09 Xiaowei Jia , Beiyu Lin , Jacob Zwart , Jeffrey Sadler , Alison Appling , Samantha Oliver , Jordan Read

Machine learning in medical imaging during clinical routine is impaired by changes in scanner protocols, hardware, or policies resulting in a heterogeneous set of acquisition settings. When training a deep learning model on an initial…

计算机视觉与模式识别 · 计算机科学 2022-03-16 Matthias Perkonigg , Johannes Hofmanninger , Christian Herold , Helmut Prosch , Georg Langs

Counterfactual learning from observational data involves learning a classifier on an entire population based on data that is observed conditioned on a selection policy. This work considers this problem in an active setting, where the…

机器学习 · 统计学 2019-10-29 Songbai Yan , Kamalika Chaudhuri , Tara Javidi

Learning a disentangled representation of the latent space has become one of the most fundamental problems studied in computer vision. Recently, many Generative Adversarial Networks (GANs) have shown promising results in generating high…

计算机视觉与模式识别 · 计算机科学 2021-04-29 Kumar Shubham , Gopalakrishnan Venkatesh , Reijul Sachdev , Akshi , Dinesh Babu Jayagopi , G. Srinivasaraghavan

Modern AI algorithms require labeled data. In real world, majority of data are unlabeled. Labeling the data are costly. this is particularly true for some areas requiring special skills, such as reading radiology images by physicians. To…

机器学习 · 统计学 2026-03-31 Yiran Huang , Jian-Feng Yang , Haoda Fu

Existing algorithms aiming to learn a binary classifier from positive (P) and unlabeled (U) data generally require estimating the class prior or label noises ahead of building a classification model. However, the estimation and classifier…

机器学习 · 计算机科学 2020-09-01 Tianyu Li , Chien-Chih Wang , Yukun Ma , Patricia Ortal , Qifang Zhao , Bjorn Stenger , Yu Hirate

Active learning improves annotation efficiency by selecting the most informative samples for annotation and model training. While most prior work has focused on selecting informative images for classification tasks, we investigate the more…

计算机视觉与模式识别 · 计算机科学 2025-12-09 Jingna Qiu , Frauke Wilm , Mathias Öttl , Jonas Utz , Maja Schlereth , Moritz Schillinger , Marc Aubreville , Katharina Breininger

Model selection is treated as a standard performance boosting step in many machine learning applications. Once all other properties of a learning problem are fixed, the model is selected by grid search on a held-out validation set. This is…

机器学习 · 统计学 2019-06-28 Manuel Haussmann , Fred A. Hamprecht , Melih Kandemir

While deep learning is a powerful tool for natural language processing (NLP) problems, successful solutions to these problems rely heavily on large amounts of annotated samples. However, manually annotating data is expensive and…

计算与语言 · 计算机科学 2021-04-06 Rishi Hazra , Parag Dutta , Shubham Gupta , Mohammed Abdul Qaathir , Ambedkar Dukkipati