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Efficiently merging several models fine-tuned for different tasks, but stemming from the same pretrained base model, is of great practical interest. Despite extensive prior work, most evaluations of model merging in computer vision are…

Computer Vision and Pattern Recognition · Computer Science 2026-04-15 Pau de Jorge , César Roberto de Souza , Björn Michele , Mert Bülent Sarıyıldız , Philippe Weinzaepfel , Florent Perronnin , Diane Larlus , Yannis Kalantidis

Model merging provides a cost-effective and data-efficient combination of specialized deep neural networks through parameter integration. This technique leverages expert models across downstream tasks without requiring retraining. Most…

Machine Learning · Computer Science 2025-10-17 Levy Chaves , Eduardo Valle , Sandra Avila

Recent advances in deep learning have led to a surge of open-source models across diverse domains. While model merging offers a promising way to combine their strengths, existing approaches often suffer from parameter conflicts that degrade…

Machine Learning · Computer Science 2025-10-28 Yunfei Liang

Model merging is a technique that combines multiple large pretrained models into a single model with enhanced performance and broader task adaptability. It has gained popularity in large pretrained model development due to its ability to…

Machine Learning · Computer Science 2024-09-30 Yu Zhou , Xingyu Wu , Jibin Wu , Liang Feng , Kay Chen Tan

Model merging has emerged as a promising paradigm for enabling multi-task capabilities without additional training. However, existing methods often experience substantial performance degradation compared with individually fine-tuned models,…

Machine Learning · Computer Science 2025-12-02 Kuangpu Guo , Yuhe Ding , Jian Liang , Zilei Wang , Ran He

Imitation learning has demonstrated strong performance in robotic manipulation by learning from large-scale human demonstrations. While existing models excel at single-task learning, it is observed in practical applications that their…

Robotics · Computer Science 2026-01-21 Wangtian Shen , Jinming Ma , Mingliang Zhou , Ziyang Meng

The escalating scale of Large Language Models (LLMs) necessitates efficient adaptation techniques. Model merging has gained prominence for its efficiency and controllability. However, existing merging techniques typically serve as post-hoc…

Dynamic MRI reconstruction from undersampled measurements is a challenging inverse problem that requires preserving both spatial reconstruction quality and temporal consistency across the frames of the cine series. While recent…

Image and Video Processing · Electrical Eng. & Systems 2026-05-19 Yongliang Sun , Siddhant Gautam , Chaoyan Huang , Nicole Seiberlich , Ismail Alkhouri , Saiprasad Ravishankar

Optimizing data mixtures is essential for unlocking the full potential of large language models (LLMs), yet identifying the optimal composition remains computationally prohibitive due to reliance on heuristic trials or expensive proxy…

Machine Learning · Computer Science 2026-01-27 Jiapeng Wang , Changxin Tian , Kunlong Chen , Ziqi Liu , Jiaxin Mao , Wayne Xin Zhao , Zhiqiang Zhang , Jun Zhou

Fine-tuning pre-trained models on targeted datasets enhances task-specific performance but often comes at the expense of generalization. Model merging techniques, which integrate multiple fine-tuned models into a single multi-task model…

Machine Learning · Computer Science 2025-09-11 Zitao Fang , Guodong DU , Shuyang Yu , Yifei Guo , Yiwei Zhang , Yiyao Cao , Jing Li , Ho-Kin Tang , Sim Kuan Goh

Model merging has emerged as a practical paradigm for integrating multiple independently trained models into a single model without joint retraining. Previous studies have demonstrated the effectiveness of combining parameters through…

Machine Learning · Computer Science 2025-12-02 Zhikang Chen , Sen Cui , Deheng Ye , Min Zhang , Gang Niu , Yu Zhang , Masashi Sugiyama , Tingting Zhu

This paper introduces a continual learning approach named MagMax, which utilizes model merging to enable large pre-trained models to continuously learn from new data without forgetting previously acquired knowledge. Distinct from…

Machine Learning · Computer Science 2024-07-31 Daniel Marczak , Bartłomiej Twardowski , Tomasz Trzciński , Sebastian Cygert

Model merging offers an effective way to integrate the capabilities of multiple fine-tuned models. However, the performance degradation of the merged model remains a challenge, particularly when none or few data are available. This paper…

Machine Learning · Computer Science 2025-05-28 Jing Xu , Jiazheng Li , Jingzhao Zhang

The proliferation of pre-trained models has given rise to a wide array of specialised, fine-tuned models. Model merging aims to merge the distinct capabilities of these specialised models into a unified model, requiring minimal or even no…

Machine Learning · Computer Science 2025-12-23 Yayuan Li , Jian Zhang , Jintao Guo , Zihan Cheng , Lei Qi , Yinghuan Shi , Yang Gao

Modern deep learning usually treats models as separate artifacts: trained independently, specialized for particular purposes, and replaced when improved versions appear. This thesis studies model merging as an alternative paradigm:…

Machine Learning · Computer Science 2026-05-05 Donato Crisostomi

Model merging aims to integrate multiple task-specific models into a unified model that inherits the capabilities of the task-specific models, without additional training. Existing model merging methods often lack consideration of the…

Computation and Language · Computer Science 2025-08-07 Yue Zhou , Yi Chang , Yuan Wu

Recent advances in large language models have led to specialized models excelling in specific domains, creating a need for efficient model merging techniques. While traditional merging approaches combine parameters into a single static…

Computation and Language · Computer Science 2025-05-26 Shuqi Liu , Yuxuan Yao , Bowei He , Zehua Liu , Xiongwei Han , Mingxuan Yuan , Han Wu , Linqi Song

Task arithmetic is a straightforward yet highly effective strategy for model merging, enabling the resultant model to exhibit multi-task capabilities. Recent research indicates that models demonstrating linearity enhance the performance of…

Machine Learning · Computer Science 2025-04-16 Rui Dai , Sile Hu , Xu Shen , Yonggang Zhang , Xinmei Tian , Jieping Ye

Model merging is attracting attention as a novel method for creating a new model by combining the weights of different trained models. While previous studies reported that model merging works well for models trained on a single dataset with…

Machine Learning · Computer Science 2024-09-23 Masanori Yamada , Tomoya Yamashita , Shin'ya Yamaguchi , Daiki Chijiwa

Continual Model Merging (CMM) enables rapid customization of foundation models by sequentially incorporating task-adapted models without repeated retraining. However, existing merging rules usually update the deployed model through fixed…

Machine Learning · Computer Science 2026-05-26 Lihong Lin , Haidong Kang
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