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Most of existing methods for few-shot object detection follow the fine-tuning paradigm, which potentially assumes that the class-agnostic generalizable knowledge can be learned and transferred implicitly from base classes with abundant…

Computer Vision and Pattern Recognition · Computer Science 2022-11-07 Shuang Wu , Wenjie Pei , Dianwen Mei , Fanglin Chen , Jiandong Tian , Guangming Lu

Few-shot classification consists of learning a predictive model that is able to effectively adapt to a new class, given only a few annotated samples. To solve this challenging problem, meta-learning has become a popular paradigm that…

Computer Vision and Pattern Recognition · Computer Science 2019-09-02 Nikita Dvornik , Cordelia Schmid , Julien Mairal

Diverse input data modalities can provide complementary cues for several tasks, usually leading to more robust algorithms and better performance. However, while a (training) dataset could be accurately designed to include a variety of…

Computer Vision and Pattern Recognition · Computer Science 2018-10-30 Nuno Garcia , Pietro Morerio , Vittorio Murino

To generate accurate and reliable predictions, modern AI systems need to combine data from multiple modalities, such as text, images, audio, spreadsheets, and time series. Multi-modal data introduces new opportunities and challenges for…

Machine Learning · Computer Science 2026-02-10 Arthur Hoarau , Benjamin Quost , Sébastien Destercke , Willem Waegeman

Multimodal transfer learning aims to transform pretrained representations of diverse modalities into a common domain space for effective multimodal fusion. However, conventional systems are typically built on the assumption that all…

Computer Vision and Pattern Recognition · Computer Science 2023-09-28 Yanan Wang , Donghuo Zeng , Shinya Wada , Satoshi Kurihara

In 3D action recognition, there exists rich complementary information between skeleton modalities. Nevertheless, how to model and utilize this information remains a challenging problem for self-supervised 3D action representation learning.…

Computer Vision and Pattern Recognition · Computer Science 2023-05-26 Yunyao Mao , Wengang Zhou , Zhenbo Lu , Jiajun Deng , Houqiang Li

In recent years, pre-trained multimodal large models have attracted widespread attention due to their outstanding performance in various multimodal applications. Nonetheless, the extensive computational resources and vast datasets required…

Computer Vision and Pattern Recognition · Computer Science 2024-04-18 Zhengyang Liang , Meiyu Liang , Wei Huang , Yawen Li , Zhe Xue

Recent progresses on self-supervised 3D human action representation learning are largely attributed to contrastive learning. However, in conventional contrastive frameworks, the rich complementarity between different skeleton modalities…

Computer Vision and Pattern Recognition · Computer Science 2023-10-25 Yunyao Mao , Jiajun Deng , Wengang Zhou , Zhenbo Lu , Wanli Ouyang , Houqiang Li

Knowledge distillation (KD) is the de facto standard for compressing large-scale models into smaller ones. Prior works have explored ever more complex KD strategies involving different objective functions, teacher-ensembles, and weight…

Computer Vision and Pattern Recognition · Computer Science 2025-05-06 Vishaal Udandarao , Nikhil Parthasarathy , Muhammad Ferjad Naeem , Talfan Evans , Samuel Albanie , Federico Tombari , Yongqin Xian , Alessio Tonioni , Olivier J. Hénaff

Intelligent agents must pursue their goals in complex environments with partial information and often limited computational capacity. Reinforcement learning methods have achieved great success by creating agents that optimize engineered…

Machine Learning · Computer Science 2021-06-07 Alejandro Daniel Noel , Charel van Hoof , Beren Millidge

Multi-modal learning, which focuses on utilizing various modalities to improve the performance of a model, is widely used in video recognition. While traditional multi-modal learning offers excellent recognition results, its computational…

Computer Vision and Pattern Recognition · Computer Science 2021-05-13 Rameswar Panda , Chun-Fu Chen , Quanfu Fan , Ximeng Sun , Kate Saenko , Aude Oliva , Rogerio Feris

Simultaneously using multimodal inputs from multiple sensors to train segmentors is intuitively advantageous but practically challenging. A key challenge is unimodal bias, where multimodal segmentors over rely on certain modalities, causing…

Computer Vision and Pattern Recognition · Computer Science 2025-05-19 Xu Zheng , Haiwei Xue , Jialei Chen , Yibo Yan , Lutao Jiang , Yuanhuiyi Lyu , Kailun Yang , Linfeng Zhang , Xuming Hu

Human Activity Recognition is an important task in many human-computer collaborative scenarios, whilst having various practical applications. Although uni-modal approaches have been extensively studied, they suffer from data quality and…

Human-Computer Interaction · Computer Science 2023-05-09 Jingcheng Li , Lina Yao , Binghao Li , Claude Sammut

Active Learning is a very common yet powerful framework for iteratively and adaptively sampling subsets of the unlabeled sets with a human in the loop with the goal of achieving labeling efficiency. Most real world datasets have imbalance…

Computer Vision and Pattern Recognition · Computer Science 2022-06-20 Suraj Kothawade , Shivang Chopra , Saikat Ghosh , Rishabh Iyer

Standard multi-modal models assume the use of the same modalities in training and inference stages. However, in practice, the environment in which multi-modal models operate may not satisfy such assumption. As such, their performances…

Computer Vision and Pattern Recognition · Computer Science 2023-03-31 Sangmin Woo , Sumin Lee , Yeonju Park , Muhammad Adi Nugroho , Changick Kim

Active perception in vision-based robotic manipulation aims to move the camera toward more informative observation viewpoints, thereby providing high-quality perceptual inputs for downstream tasks. Most existing active perception methods…

Robotics · Computer Science 2026-01-21 Deyun Qin , Zezhi Liu , Hanqian Luo , Xiao Liang , Yongchun Fang

The Few-Shot Segmentation (FSS) aims to accomplish the novel class segmentation task with a few annotated images. Current FSS research based on meta-learning focus on designing a complex interaction mechanism between the query and support…

Computer Vision and Pattern Recognition · Computer Science 2024-01-10 Jing Wang , Jinagyun Li , Chen Chen , Yisi Zhang , Haoran Shen , Tianxiang Zhang

Transferring vision-language knowledge from pretrained multimodal foundation models to various downstream tasks is a promising direction. However, most current few-shot action recognition methods are still limited to a single visual…

Computer Vision and Pattern Recognition · Computer Science 2023-10-17 Xiang Wang , Shiwei Zhang , Hangjie Yuan , Yingya Zhang , Changxin Gao , Deli Zhao , Nong Sang

Multimodal learning has shown great potentials in numerous scenes and attracts increasing interest recently. However, it often encounters the problem of missing modality data and thus suffers severe performance degradation in practice. To…

Computer Vision and Pattern Recognition · Computer Science 2023-04-18 Shicai Wei , Yang Luo , Chunbo Luo

While multifidelity modeling provides a cost-effective way to conduct uncertainty quantification with computationally expensive models, much greater efficiency can be achieved by adaptively deciding the number of required high-fidelity (HF)…