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Traditional deep learning methods in medical imaging often focus solely on segmentation or classification, limiting their ability to leverage shared information. Multi-task learning (MTL) addresses this by combining both tasks through…

图像与视频处理 · 电气工程与系统科学 2024-12-03 Phuoc-Nguyen Bui , Duc-Tai Le , Junghyun Bum , Hyunseung Choo

Merging various task-specific Transformer-based models trained on different tasks into a single unified model can execute all the tasks concurrently. Previous methods, exemplified by task arithmetic, have been proven to be both effective…

机器学习 · 计算机科学 2024-06-10 Anke Tang , Li Shen , Yong Luo , Nan Yin , Lefei Zhang , Dacheng Tao

We consider a problem in Multi-Task Learning (MTL) where multiple linear models are jointly trained on a collection of datasets ("tasks"). A key novelty of our framework is that it allows the sparsity pattern of regression coefficients and…

统计方法学 · 统计学 2025-12-08 Kayhan Behdin , Gabriel Loewinger , Kenneth T. Kishida , Giovanni Parmigiani , Rahul Mazumder

Speech emotion recognition (SER) plays a critical role in building emotion-aware speech systems, but its performance degrades significantly under noisy conditions. Although speech enhancement (SE) can improve robustness, it often introduces…

音频与语音处理 · 电气工程与系统科学 2026-04-29 Jing-Tong Tzeng , Carlos Busso , Chi-Chun Lee

Lung cancer and covid-19 have one of the highest morbidity and mortality rates in the world. For physicians, the identification of lesions is difficult in the early stages of the disease and time-consuming. Therefore, multi-task learning is…

图像与视频处理 · 电气工程与系统科学 2024-04-10 Weronika Hryniewska-Guzik , Maria Kędzierska , Przemysław Biecek

Medical image classification involves thresholding of labels that represent malignancy risk levels. Usually, a task defines a single threshold, and when developing computer-aided diagnosis tools, a single network is trained per such…

计算机视觉与模式识别 · 计算机科学 2018-11-22 Vadim Ratner , Yoel Shoshan , Tal Kachman

Multi-Task Learning (MTL) seeks to boost statistical power and learning efficiency by discovering structure shared across related tasks. State-of-the-art MTL representation methods, however, usually treat the latent representation matrix as…

机器学习 · 统计学 2025-05-07 Aoran Chen , Yang Feng

Model merging has achieved significant success, with numerous innovative methods proposed to enhance capabilities by combining multiple models. However, challenges persist due to the lack of a unified framework for classification and…

机器学习 · 计算机科学 2025-03-13 Wei Ruan , Tianze Yang , Yifan Zhou , Tianming Liu , Jin Lu

Fine-tuning a task-specific multilingual large language model (LLM) involves training the model on a multilingual dataset with examples in all the required languages. Updating one or more supported languages with additional data or adding…

计算与语言 · 计算机科学 2026-01-26 Alphaeus Dmonte , Vidhi Gupta , Daniel J Perry , Mark Arehart

Optimization in multi-task learning (MTL) is more challenging than single-task learning (STL), as the gradient from different tasks can be contradictory. When tasks are related, it can be beneficial to share some parameters among them…

计算机视觉与模式识别 · 计算机科学 2022-12-16 Zitian Chen , Yikang Shen , Mingyu Ding , Zhenfang Chen , Hengshuang Zhao , Erik Learned-Miller , Chuang Gan

Multi-task learning is a very challenging problem in reinforcement learning. While training multiple tasks jointly allow the policies to share parameters across different tasks, the optimization problem becomes non-trivial: It remains…

机器学习 · 计算机科学 2020-12-08 Ruihan Yang , Huazhe Xu , Yi Wu , Xiaolong Wang

Incorporating self-supervised learning (SSL) before standard supervised learning (SL) has become a widely used strategy to enhance model performance, particularly in data-limited scenarios. However, this approach introduces a trade-off…

机器学习 · 计算机科学 2025-03-06 Zexin Li , Jiancheng Zhang , Yufei Li , Yinglun Zhu , Cong Liu

The Multi-Task Learning (MTL) technique has been widely studied by word-wide researchers. The majority of current MTL studies adopt the hard parameter sharing structure, where hard layers tend to learn general representations over all tasks…

信息检索 · 计算机科学 2021-01-25 Dehong Gao , Wenjing Yang , Huiling Zhou , Yi Wei , Yi Hu , Hao Wang

When faced with learning a set of inter-related tasks from a limited amount of usable data, learning each task independently may lead to poor generalization performance. Multi-Task Learning (MTL) exploits the latent relations between tasks…

机器学习 · 计算机科学 2015-08-14 Niloofar Yousefi , Michael Georgiopoulos , Georgios C. Anagnostopoulos

Multi-task learning (MTL) enables simultaneous training across related tasks, leveraging shared information to improve generalization, efficiency, and robustness, especially in data-scarce or high-dimensional scenarios. While deep learning…

机器学习 · 计算机科学 2025-10-31 Fatemeh Bazikar , Hossein Moosaei , Atefeh Hemmati , Panos M. Pardalos

Multi-Task Learning (MTL) is a framework, where multiple related tasks are learned jointly and benefit from a shared representation space, or parameter transfer. To provide sufficient learning support, modern MTL uses annotated data with…

计算机视觉与模式识别 · 计算机科学 2024-01-04 Dimitrios Kollias , Viktoriia Sharmanska , Stefanos Zafeiriou

Universal medical image segmentation models have emerged as a promising paradigm due to their strong generalizability across diverse tasks, showing great potential for a wide range of clinical applications. This potential has been partly…

计算机视觉与模式识别 · 计算机科学 2025-08-18 Yanwu Yang , Guinan Su , Jiesi Hu , Francesco Sammarco , Jonas Geiping , Thomas Wolfers

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

Model merging aims to integrate multiple task-specific fine-tuned models derived from a shared pre-trained checkpoint into a single multi-task model without additional training. Despite extensive research, task interference remains a major…

机器学习 · 计算机科学 2026-02-25 Longhua Li , Lei Qi , Qi Tian , Xin Geng

Large-scale models have exhibited remarkable capabilities across diverse domains, including automated medical services and intelligent customer support. However, as most large models are trained on single-modality corpora, enabling them to…

计算机视觉与模式识别 · 计算机科学 2025-08-26 Hao Sun , Yu Song , Jiaqing Liu , Jihong Hu , Yen-Wei Chen , Lanfen Lin