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Distributed optimization methods for large-scale machine learning suffer from a communication bottleneck. It is difficult to reduce this bottleneck while still efficiently and accurately aggregating partial work from different machines. In…

Machine Learning · Computer Science 2015-07-06 Chenxin Ma , Virginia Smith , Martin Jaggi , Michael I. Jordan , Peter Richtárik , Martin Takáč

Current parameter-efficient fine-tuning (PEFT) methods build adapters widely agnostic of the context of downstream task to learn, or the context of important knowledge to maintain. As a result, there is often a performance gap compared to…

Machine Learning · Computer Science 2025-03-11 Yibo Yang , Xiaojie Li , Zhongzhu Zhou , Shuaiwen Leon Song , Jianlong Wu , Liqiang Nie , Bernard Ghanem

Computer vision models suffer from a phenomenon known as catastrophic forgetting when learning novel concepts from continuously shifting training data. Typical solutions for this continual learning problem require extensive rehearsal of…

Computer Vision and Pattern Recognition · Computer Science 2023-03-31 James Seale Smith , Leonid Karlinsky , Vyshnavi Gutta , Paola Cascante-Bonilla , Donghyun Kim , Assaf Arbelle , Rameswar Panda , Rogerio Feris , Zsolt Kira

Mixture-of-experts based models, which use language experts to extract language-specific representations effectively, have been well applied in code-switching automatic speech recognition. However, there is still substantial space to…

Sound · Computer Science 2023-10-10 Peikun Chen , Fan Yu , Yuhao Lian , Hongfei Xue , Xucheng Wan , Naijun Zheng , Huan Zhou , Lei Xie

Vision-language models (VLMs) have significantly improved the generalization capabilities of robotic manipulation. However, VLM-based systems often suffer from a lack of robustness, leading to unpredictable errors, particularly in scenarios…

Robotics · Computer Science 2026-03-17 Yayun He , Zuheng Kang , Botao Zhao , Zhouyin Wu , Junqing Peng , Jianzong Wang

An important paradigm in 3D object detection is the use of multiple modalities to enhance accuracy in both normal and challenging conditions, particularly for long-tail scenarios. To address this, recent studies have explored two directions…

Computer Vision and Pattern Recognition · Computer Science 2024-10-17 Minkyoung Cho , Yulong Cao , Jiachen Sun , Qingzhao Zhang , Marco Pavone , Jeong Joon Park , Heng Yang , Z. Morley Mao

Large pre-trained vision-language models like CLIP have transformed computer vision by aligning images and text in a shared feature space, enabling robust zero-shot transfer via prompting. Soft-prompting, such as Context Optimization…

Computer Vision and Pattern Recognition · Computer Science 2026-03-31 Arsham Gholamzadeh Khoee , Yinan Yu , Robert Feldt

Vision-Language Models (VLMs), such as CLIP, play a foundational role in various cross-modal applications. To fully leverage VLMs' potential in adapting to downstream tasks, context optimization methods like Prompt Tuning are essential.…

Computer Vision and Pattern Recognition · Computer Science 2025-08-19 Enming Zhang , Bingke Zhu , Yingying Chen , Qinghai Miao , Ming Tang , Jinqiao Wang

Prompt tuning of large-scale vision-language models such as CLIP enables efficient task adaptation without updating model weights. However, it often leads to poor confidence calibration and unreliable predictive uncertainty. We address this…

As powerful pre-trained vision-language models (VLMs) like CLIP gain prominence, numerous studies have attempted to combine VLMs for downstream tasks. Among these, prompt learning has been validated as an effective method for adapting to…

Computer Vision and Pattern Recognition · Computer Science 2024-09-19 Yu Du , Tong Niu , Rong Zhao

General image fusion aims at integrating important information from multi-source images. However, due to the significant cross-task gap, the respective fusion mechanism varies considerably in practice, resulting in limited performance…

Computer Vision and Pattern Recognition · Computer Science 2024-03-26 Pengfei Zhu , Yang Sun , Bing Cao , Qinghua Hu

Diffusion models have achieved remarkable progress in image and audio generation, largely due to Classifier-Free Guidance. However, the choice of guidance scale remains underexplored: a fixed scale often fails to generalize across prompts…

Sound · Computer Science 2025-10-07 Xuanhao Zhang , Chang Li

Enabling multi-task adaptation in pre-trained Low-Rank Adaptation (LoRA) models is crucial for enhancing their generalization capabilities. Most existing pre-trained LoRA fusion methods decompose weight matrices, sharing similar parameters…

Computer Vision and Pattern Recognition · Computer Science 2025-08-07 Yihua Shao , Xiaofeng Lin , Xinwei Long , Siyu Chen , Minxi Yan , Yang Liu , Ziyang Yan , Ao Ma , Hao Tang , Jingcai Guo

Distributed optimization algorithms are essential for training machine learning models on very large-scale datasets. However, they often suffer from communication bottlenecks. Confronting this issue, a communication-efficient primal-dual…

Optimization and Control · Mathematics 2017-11-16 Chenxin Ma , Martin Jaggi , Frank E. Curtis , Nathan Srebro , Martin Takáč

Due to the inherent difficulty in modeling phonetic similarities across different languages, code-switching speech recognition presents a formidable challenge. This study proposes a Collaborative-MoE, a Mixture of Experts (MoE) model that…

Computation and Language · Computer Science 2024-09-06 Hukai Huang , Jiayan Lin , Kaidi Wang , Yishuang Li , Wenhao Guan , Lin Li , Qingyang Hong

Confidence calibration is critical for the safe deployment of machine learning models in the real world. However, such issue in vision-language models like CLIP, particularly after fine-tuning, has not been fully addressed. In this work, we…

Machine Learning · Computer Science 2025-05-30 Shuoyuan Wang , Yixuan Li , Hongxin Wei

Prompt tuning, like CoOp, has recently shown promising vision recognizing and transfer learning ability on various downstream tasks with the emergence of large pre-trained vision-language models like CLIP. However, we identify that existing…

Computer Vision and Pattern Recognition · Computer Science 2024-07-16 Yongzhu Miao , Shasha Li , Jintao Tang , Ting Wang

Large pre-trained vision-language models such as CLIP have demonstrated great potential in zero-shot transferability to downstream tasks. However, to attain optimal performance, the manual selection of prompts is necessary to improve…

Computer Vision and Pattern Recognition · Computer Science 2024-09-17 Thi Minh Anh Pham , An Duc Nguyen , Cephas Svosve , Vasileios Argyriou , Georgios Tzimiropoulos

Large Language Models (LLMs) often excel in specific domains but fall short in others due to the limitations of their training. Thus, enabling LLMs to solve problems collaboratively by integrating their complementary knowledge promises to…

Computation and Language · Computer Science 2025-03-20 Ziyao Wang , Muneeza Azmat , Ang Li , Raya Horesh , Mikhail Yurochkin

Mixture-of-Experts (MoE) models have shown remarkable capability in instruction tuning, especially when the number of tasks scales. However, previous methods simply merge all training tasks (e.g. creative writing, coding, and mathematics)…

Computation and Language · Computer Science 2024-06-18 Tong Zhu , Daize Dong , Xiaoye Qu , Jiacheng Ruan , Wenliang Chen , Yu Cheng