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Image forgery detection aims to detect and locate forged regions in an image. Most existing forgery detection algorithms formulate classification problems to classify pixels into forged or pristine. However, the definition of forged and…

计算机视觉与模式识别 · 计算机科学 2025-05-20 Haiwei Wu , Yiming Chen , Jiantao Zhou , Yuanman Li

Pathology image classification plays a crucial role in accurate medical diagnosis and treatment planning. Training high-performance models for this task typically requires large-scale annotated datasets, which are both expensive and…

计算机视觉与模式识别 · 计算机科学 2025-07-01 Lanfeng Zhong , Xin Liao , Shichuan Zhang , 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

We introduce Information Condensing Active Learning (ICAL), a batch mode model agnostic Active Learning (AL) method targeted at Deep Bayesian Active Learning that focuses on acquiring labels for points which have as much information as…

机器学习 · 计算机科学 2020-02-21 Siddhartha Jain , Ge Liu , David Gifford

Medical image analysis requires substantial labeled data for model training, yet expert annotation is expensive and time-consuming. Active learning (AL) addresses this challenge by strategically selecting the most informative samples for…

图像与视频处理 · 电气工程与系统科学 2026-03-06 Ifrat Ikhtear Uddin , Longwei Wang , Xiao Qin , Yang Zhou , KC Santosh

Semantic segmentation of histopathology images under class imbalance is typically addressed through frequency-based loss reweighting, which implicitly assumes that rare classes are difficult. However, true difficulty also arises from…

图像与视频处理 · 电气工程与系统科学 2026-04-16 Lakmali Nadeesha Kumari , Sen-Ching Samson Cheung

Common acquisition functions for active learning use either uncertainty or diversity sampling, aiming to select difficult and diverse data points from the pool of unlabeled data, respectively. In this work, leveraging the best of both…

计算与语言 · 计算机科学 2021-09-09 Katerina Margatina , Giorgos Vernikos , Loïc Barrault , Nikolaos Aletras

In image classification tasks, the ability of deep CNNs to deal with complex image data has proven to be unrivalled. However, they require large amounts of labeled training data to reach their full potential. In specialised domains such as…

机器学习 · 计算机科学 2018-11-12 Remus Pop , Patric Fulop

Active Learning (AL) is increasingly important in a broad range of applications. Two main AL principles to obtain accurate classification with few labeled data are refinement of the current decision boundary and exploration of poorly…

机器学习 · 计算机科学 2012-10-19 Jens Roeder , Boaz Nadler , Kevin Kunzmann , Fred A. Hamprecht

Pool-based active learning (AL) is a promising technology for increasing data-efficiency of machine learning models. However, surveys show that performance of recent AL methods is very sensitive to the choice of dataset and training…

机器学习 · 计算机科学 2023-09-12 Tim Bakker , Herke van Hoof , Max Welling

Even though active learning forms an important pillar of machine learning, deep learning tools are not prevalent within it. Deep learning poses several difficulties when used in an active learning setting. First, active learning (AL)…

机器学习 · 计算机科学 2017-03-09 Yarin Gal , Riashat Islam , Zoubin Ghahramani

With the goal of making deep learning more label-efficient, a growing number of papers have been studying active learning (AL) for deep models. However, there are a number of issues in the prevalent experimental settings, mainly stemming…

计算机视觉与模式识别 · 计算机科学 2021-11-04 Nathan Beck , Durga Sivasubramanian , Apurva Dani , Ganesh Ramakrishnan , Rishabh Iyer

Active Learning (AL) has emerged as a powerful approach for minimizing labeling costs by selectively sampling the most informative data for neural network model development. Effective AL for large-scale vision-language models necessitates…

计算机视觉与模式识别 · 计算机科学 2025-07-30 Athmanarayanan Lakshmi Narayanan , Amrutha Machireddy , Ranganath Krishnan

Active Learning (AL) techniques have proven to be highly effective in reducing data labeling costs across a range of machine learning tasks. Nevertheless, one known challenge of these methods is their potential to introduce unfairness…

机器学习 · 计算机科学 2023-12-20 Ricky Fajri , Akrati Saxena , Yulong Pei , Mykola Pechenizkiy

Obtaining large-scale labeled object detection dataset can be costly and time-consuming, as it involves annotating images with bounding boxes and class labels. Thus, some specialized active learning methods have been proposed to reduce the…

计算机视觉与模式识别 · 计算机科学 2023-03-30 Yi-Syuan Liou , Tsung-Han Wu , Jia-Fong Yeh , Wen-Chin Chen , Winston H. Hsu

Annotating datasets for object detection is an expensive and time-consuming endeavor. To minimize this burden, active learning (AL) techniques are employed to select the most informative samples for annotation within a constrained…

计算机视觉与模式识别 · 计算机科学 2024-03-15 Chenhongyi Yang , Lichao Huang , Elliot J. Crowley

Active learning (AL) strategies aim to train high-performance models with minimal labeling efforts, only selecting the most informative instances for annotation. Current approaches to evaluating data informativeness predominantly focus on…

计算机视觉与模式识别 · 计算机科学 2026-01-23 Zhixuan Liang , Xingyu Zeng , Rui Zhao , Ping Luo

Active Learning (AL) aims to enhance the performance of deep models by selecting the most informative samples for annotation from a pool of unlabeled data. Despite impressive performance in closed-set settings, most AL methods fail in…

计算机视觉与模式识别 · 计算机科学 2023-12-22 Bardia Safaei , Vibashan VS , Celso M. de Melo , Vishal M. Patel

Training deep object detectors demands expensive bounding box annotation. Active learning (AL) is a promising technique to alleviate the annotation burden. Performing AL at box-level for object detection, i.e., selecting the most…

计算机视觉与模式识别 · 计算机科学 2025-08-26 Jingyi Liao , Xun Xu , Chuan-Sheng Foo , Lile Cai

Deep learning models have been successfully used in medical image analysis problems but they require a large amount of labeled images to obtain good performance.Deep learning models have been successfully used in medical image analysis…

计算机视觉与模式识别 · 计算机科学 2018-10-02 Asim Smailagic , Hae Young Noh , Pedro Costa , Devesh Walawalkar , Kartik Khandelwal , Mostafa Mirshekari , Jonathon Fagert , Adrián Galdrán , Susu Xu