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Models for image representation learning are typically designed for either recognition or generation. Various forms of contrastive learning help models learn to convert images to embeddings that are useful for classification, detection, and…

计算机视觉与模式识别 · 计算机科学 2026-01-21 Matthew Gwilliam , Xiao Wang , Xuefeng Hu , Zhenheng Yang

Existing Image Manipulation Localization (IML) methods mostly rely heavily on task-specific designs, making them perform well only on the target IML task, while joint training on multiple IML tasks causes significant performance…

计算机视觉与模式识别 · 计算机科学 2025-04-30 Chenfan Qu , Yiwu Zhong , Fengjun Guo , Lianwen Jin

By jointly learning multiple tasks, multi-task learning (MTL) can leverage the shared knowledge across tasks, resulting in improved data efficiency and generalization performance. However, a major challenge in MTL lies in the presence of…

机器学习 · 计算机科学 2024-07-03 Hao Ban , Kaiyi Ji

Multi-task learning (MTL) aims at achieving a better model by leveraging data and knowledge from multiple tasks. However, MTL does not always work -- sometimes negative transfer occurs between tasks, especially when aggregating loosely…

计算与语言 · 计算机科学 2023-05-24 Jingwei Ni , Zhijing Jin , Qian Wang , Mrinmaya Sachan , Markus Leippold

We present an architecture that is effective for continual learning in an especially demanding setting, where task boundaries do not exist or are unknown, and where classes have to be learned online (with each example presented only once).…

机器学习 · 计算机科学 2021-10-08 Murray Shanahan , Christos Kaplanis , Jovana Mitrović

We propose a multi-task learning (MTL) model for jointly performing three tasks that are commonly solved in a text-to-speech (TTS) front-end: text normalization (TN), part-of-speech (POS) tagging, and homograph disambiguation (HD). Our…

计算与语言 · 计算机科学 2024-04-04 Wonjune Kang , Yun Wang , Shun Zhang , Arthur Hinsvark , Qing He

We consider the problem of image representation for the tasks of unsupervised learning and semi-supervised learning. In those learning tasks, the raw image vectors may not provide enough representation for their intrinsic structures due to…

机器学习 · 计算机科学 2014-02-20 Yiyi Liao , Yue Wang , Yong Liu

Despite the recent progress in speech emotion recognition (SER), state-of-the-art systems lack generalisation across different conditions. A key underlying reason for poor generalisation is the scarcity of emotion datasets, which is a…

声音 · 计算机科学 2022-07-13 Siddique Latif , Rajib Rana , Sara Khalifa , Raja Jurdak , Björn W. Schuller

Meta-learning, or learning-to-learn, seeks to design algorithms that can utilize previous experience to rapidly learn new skills or adapt to new environments. Representation learning -- a key tool for performing meta-learning -- learns a…

机器学习 · 计算机科学 2022-01-04 Nilesh Tripuraneni , Chi Jin , Michael I. Jordan

Tree-structured multi-task architectures have been employed to jointly tackle multiple vision tasks in the context of multi-task learning (MTL). The major challenge is to determine where to branch out for each task given a backbone model to…

机器学习 · 计算机科学 2022-05-26 Lijun Zhang , Xiao Liu , Hui Guan

This paper proposes a new principled multi-task representation learning framework (InfoMTL) to extract noise-invariant sufficient representations for all tasks. It ensures sufficiency of shared representations for all tasks and mitigates…

计算与语言 · 计算机科学 2025-03-07 Dou Hu , Lingwei Wei , Wei Zhou , Songlin Hu

As an effective learning paradigm against insufficient training samples, Multi-Task Learning (MTL) encourages knowledge sharing across multiple related tasks so as to improve the overall performance. In MTL, a major challenge springs from…

机器学习 · 计算机科学 2020-04-30 Zhiyong Yang , Qianqian Xu , Xiaochun Cao , Qingming Huang

Despite the promise of Multi-Task Learning in leveraging complementary knowledge across tasks, existing multi-task optimization (MTO) techniques remain fixated on resolving conflicts via optimizer-centric loss scaling and gradient…

机器学习 · 计算机科学 2025-07-29 Zedong Wang , Siyuan Li , Dan Xu

Multi-task learning (MTL) has been widely used in recommender systems, wherein predicting each type of user feedback on items (e.g, click, purchase) are treated as individual tasks and jointly trained with a unified model. Our key…

信息检索 · 计算机科学 2022-03-29 Chenxiao Yang , Junwei Pan , Xiaofeng Gao , Tingyu Jiang , Dapeng Liu , Guihai Chen

We study and quantify the generalization patterns of multitask learning (MTL) models for sequence labeling tasks. MTL models are trained to optimize a set of related tasks jointly. Although multitask learning has achieved improved…

机器学习 · 计算机科学 2020-09-29 Gabriele Bettgenhäuser , Michael A. Hedderich , Dietrich Klakow

Contrastive self-supervised learning has gained attention for its ability to create high-quality representations from large unlabelled data sets. A key reason that these powerful features enable data-efficient learning of downstream tasks…

机器学习 · 计算机科学 2024-01-29 Calum Heggan , Tim Hospedales , Sam Budgett , Mehrdad Yaghoobi

The classical approach to non-linear regression in physics, is to take a mathematical model describing the functional dependence of the dependent variable from a set of independent variables, and then, using non-linear fitting algorithms,…

机器学习 · 计算机科学 2020-07-29 Umberto , Michelucci , Francesca Venturini

Multi-task-learning(MTL) is a multi-target optimization task. Neural networks try to realize each target using a shared interpretative space within MTL. However, as the scale of datasets expands and the complexity of tasks increases,…

计算机视觉与模式识别 · 计算机科学 2024-10-08 Ruiyuan Zhang , Yuyao Chen , Yuchi Huo , Jiaxiang Liu , Dianbing Xi , Jie Liu , Chao Wu

Various data imbalances that naturally arise in a multi-territory personalized recommender system can lead to a significant item bias for globally prevalent items. A locally popular item can be overshadowed by a globally prevalent item.…

信息检索 · 计算机科学 2023-10-06 Phanideep Gampa , Farnoosh Javadi , Belhassen Bayar , Ainur Yessenalina

Image to image translation aims to learn a mapping that transforms an image from one visual domain to another. Recent works assume that images descriptors can be disentangled into a domain-invariant content representation and a…

计算机视觉与模式识别 · 计算机科学 2020-08-13 Raul Gomez , Yahui Liu , Marco De Nadai , Dimosthenis Karatzas , Bruno Lepri , Nicu Sebe