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Recently, self-supervised learning (SSL) methods have been used in pre-training the segmentation models for 2D and 3D medical images. Most of these methods are based on reconstruction, contrastive learning and consistency regularization.…

计算机视觉与模式识别 · 计算机科学 2024-06-25 Haofeng Li , Yiming Ouyang , Xiang Wan

In Multi-Task Learning (MTL), it is a common practice to train multi-task networks by optimizing an objective function, which is a weighted average of the task-specific objective functions. Although the computational advantages of this…

机器学习 · 计算机科学 2022-07-19 Lucas Pascal , Pietro Michiardi , Xavier Bost , Benoit Huet , Maria A. Zuluaga

In this paper we consider a problem known as multi-task learning, consisting of fitting a set of classifier or regression functions intended for solving different tasks. In our novel formulation, we couple the parameters of these functions,…

机器学习 · 计算机科学 2021-05-28 Juan Cervino , Juan Andres Bazerque , Miguel Calvo-Fullana , Alejandro Ribeiro

Human perception integrates multiple modalities, such as vision, hearing, and language, into a unified understanding of the surrounding reality. While recent multimodal models have achieved significant progress by aligning pairs of…

计算机视觉与模式识别 · 计算机科学 2025-02-13 Giordano Cicchetti , Eleonora Grassucci , Luigi Sigillo , Danilo Comminiello

Existing deep multitask learning (MTL) approaches align layers shared between tasks in a parallel ordering. Such an organization significantly constricts the types of shared structure that can be learned. The necessity of parallel ordering…

机器学习 · 计算机科学 2018-02-14 Elliot Meyerson , Risto Miikkulainen

Reinforcement learning (RL) has become a central post-training paradigm for large language models (LLMs), but its performance is highly sensitive to the quality of training problems. This sensitivity stems from the non-stationarity of RL:…

机器学习 · 计算机科学 2026-02-26 Ningyuan Yang , Weihua Du , Weiwei Sun , Sean Welleck , Yiming Yang

We study multigrade deep learning (MGDL) as a principled framework for structured error refinement in deep neural networks. While the approximation power of neural networks is now relatively well understood, training very deep architectures…

机器学习 · 计算机科学 2026-04-03 Shijun Zhang , Zuowei Shen , Yuesheng Xu

Recent advances in parallel computing and GPU acceleration have created new opportunities for computation-intensive learning problems such as Active SLAM -- where actions are selected to reduce uncertainty and improve joint mapping and…

机器人学 · 计算机科学 2026-03-30 Martín Arce Llobera , Julio A. Placed , Mariano De Paula , Pablo De Cristóforis

A large labeled dataset is a key to the success of supervised deep learning, but for medical image segmentation, it is highly challenging to obtain sufficient annotated images for model training. In many scenarios, unannotated images are…

计算机视觉与模式识别 · 计算机科学 2021-07-13 Hao Zheng , Jun Han , Hongxiao Wang , Lin Yang , Zhuo Zhao , Chaoli Wang , Danny Z. Chen

While the promises of Multi-Task Learning (MTL) are attractive, characterizing the conditions of its success is still an open problem in Deep Learning. Some tasks may benefit from being learned together while others may be detrimental to…

机器学习 · 计算机科学 2023-01-10 Raphael Azorin , Massimo Gallo , Alessandro Finamore , Dario Rossi , Pietro Michiardi

Multi-task learning (MTL) jointly learns a set of tasks by sharing parameters among tasks. It is a promising approach for reducing storage costs while improving task accuracy for many computer vision tasks. The effective adoption of MTL…

机器学习 · 计算机科学 2022-10-03 Lijun Zhang , Xiao Liu , Hui Guan

Imbalanced image datasets are commonly available in the domain of biomedical image analysis. Biomedical images contain diversified features that are significant in predicting targeted diseases. Generative Adversarial Networks (GANs) are…

图像与视频处理 · 电气工程与系统科学 2022-11-15 Muhammad Muneeb Saad , Mubashir Husain Rehmani , Ruairi O'Reilly

Recent advances in meta-learning has led to remarkable performances on several few-shot learning benchmarks. However, such success often ignores the similarity between training and testing tasks, resulting in a potential bias evaluation.…

机器学习 · 计算机科学 2021-01-28 Cuong Nguyen , Thanh-Toan Do , Gustavo Carneiro

In this paper, we introduce proximal gradient temporal difference learning, which provides a principled way of designing and analyzing true stochastic gradient temporal difference learning algorithms. We show how gradient TD (GTD)…

机器学习 · 计算机科学 2020-06-09 Bo Liu , Ian Gemp , Mohammad Ghavamzadeh , Ji Liu , Sridhar Mahadevan , Marek Petrik

Multi-Task Learning (MTL) aims to learn multiple tasks simultaneously while exploiting their mutual relationships. By using shared resources to simultaneously calculate multiple outputs, this learning paradigm has the potential to have…

机器学习 · 计算机科学 2024-08-29 Maxime Fontana , Michael Spratling , Miaojing Shi

We present our novel deep multi-task learning method for medical image segmentation. Existing multi-task methods demand ground truth annotations for both the primary and auxiliary tasks. Contrary to it, we propose to generate the…

图像与视频处理 · 电气工程与系统科学 2022-04-06 Binod Bhattarai , Ronast Subedi , Rebati Raman Gaire , Eduard Vazquez , Danail Stoyanov

One of the grand enduring goals of AI is to create generalist agents that can learn multiple different tasks from diverse data via multitask learning (MTL). However, in practice, applying gradient descent (GD) on the average loss across all…

机器学习 · 计算机科学 2023-10-31 Bo Liu , Yihao Feng , Peter Stone , Qiang Liu

Hand-crafted features extracted from dynamic contrast-enhanced magnetic resonance images (DCE-MRIs) have shown strong predictive abilities in characterization of breast lesions. However, heterogeneity across medical image datasets hinders…

医学物理 · 物理学 2017-01-17 Natalia Antropova , Benjamin Huynh , Maryellen Giger

Traditional single-task image restoration methods excel in handling specific degradation types but struggle with multiple degradations. To address this limitation, we propose Grouped Restoration with Image Degradation Similarity (GRIDS), a…

计算机视觉与模式识别 · 计算机科学 2024-07-18 Shuo Cao , Yihao Liu , Wenlong Zhang , Yu Qiao , Chao Dong

A significant challenge to make learning techniques more suitable for general purpose use is to move beyond i) complete supervision, ii) low dimensional data, iii) a single task and single view per instance. Solving these challenges allows…

机器学习 · 计算机科学 2012-02-07 Buyue Qian , Xiang Wang , Ian Davidson
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