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Diffusion models are a powerful generative framework, but come with expensive inference. Existing acceleration methods often compromise image quality or fail under complex conditioning when operating in an extremely low-step regime. In this…

Computer Vision and Pattern Recognition · Computer Science 2024-05-09 Jonas Kohler , Albert Pumarola , Edgar Schönfeld , Artsiom Sanakoyeu , Roshan Sumbaly , Peter Vajda , Ali Thabet

We consider the task of training a neural network to anticipate human actions in video. This task is challenging given the complexity of video data, the stochastic nature of the future, and the limited amount of annotated training data. In…

Computer Vision and Pattern Recognition · Computer Science 2021-10-05 Vinh Tran , Yang Wang , Minh Hoai

Multi-agent systems are increasingly equipped with heterogeneous multimodal sensors, enabling richer perception but introducing modality-specific and agent-dependent uncertainty. Existing multi-agent collaboration frameworks typically…

Machine Learning · Computer Science 2026-02-05 Rui Liu , Pratap Tokekar , Ming Lin

Multimedia online platforms (e.g., Amazon, TikTok) have greatly benefited from the incorporation of multimedia (e.g., visual, textual, and acoustic) content into their personal recommender systems. These modalities provide intuitive…

Information Retrieval · Computer Science 2024-03-12 Wei Wei , Jiabin Tang , Yangqin Jiang , Lianghao Xia , Chao Huang

In multimodal sentiment analysis, collecting text data is often more challenging than video or audio due to higher annotation costs and inconsistent automatic speech recognition (ASR) quality. To address this challenge, our study has…

Computation and Language · Computer Science 2025-03-25 Yuzhe Weng , Haotian Wang , Tian Gao , Kewei Li , Shutong Niu , Jun Du

Recent advances in few-step diffusion distillation have enabled efficient image generation, yet aligning these models with human preferences remains challenging. We propose Reward-Tilted Distribution Matching Distillation (RTDMD), a…

Computer Vision and Pattern Recognition · Computer Science 2026-05-29 Yushi Huang , Xiangxin Zhou , Ruoyu Wang , Chi Zhang , Jun Zhang , Tianyu Pang

Few-shot learning is a technique to learn a model with a very small amount of labeled training data by transferring knowledge from relevant tasks. In this paper, we propose a few-shot learning method for wearable sensor based human activity…

Machine Learning · Computer Science 2019-03-26 Siwei Feng , Marco F. Duarte

Micro-expressions are subtle facial movements that occur spontaneously when people try to conceal real emotions. Micro-expression recognition is crucial in many fields, including criminal analysis and psychotherapy. However,…

Computer Vision and Pattern Recognition · Computer Science 2025-07-03 Guanghao Zhu , Lin Liu , Yuhao Hu , Haixin Sun , Fang Liu , Xiaohui Du , Ruqian Hao , Juanxiu Liu , Yong Liu , Hao Deng , Jing Zhang

The performance of supervised semantic segmentation methods highly relies on the availability of large-scale training data. To alleviate this dependence, few-shot semantic segmentation (FSS) is introduced to leverage the model trained on…

Computer Vision and Pattern Recognition · Computer Science 2024-06-11 Xinyue Chen , Miaojing Shi

Dataset distillation (DD) aims to minimize the time and memory consumption needed for training deep neural networks on large datasets, by creating a smaller synthetic dataset that has similar performance to that of the full real dataset.…

Computer Vision and Pattern Recognition · Computer Science 2025-05-20 Xinhao Zhong , Bin Chen , Hao Fang , Xulin Gu , Shu-Tao Xia , En-Hui Yang

Recent studies show the promise of large language models (LLMs) for few-shot tabular classification but highlight challenges due to the variability in structured data. To address this, we propose distilling data into actionable insights to…

Machine Learning · Computer Science 2025-09-01 Yifei Yuan , Jiatong Li , Weijia Zhang , Mohammad Aliannejadi , Evangelos Kanoulas , Renjun Hu

Few-shot segmentation (FSS) aims to segment objects of unseen classes given only a few annotated support images. Most existing methods simply stitch query features with independent support prototypes and segment the query image by feeding…

Computer Vision and Pattern Recognition · Computer Science 2022-11-03 Kai Huang , Mingfei Cheng , Yang Wang , Bochen Wang , Ye Xi , Feigege Wang , Peng Chen

Current weakly supervised semantic segmentation (WSSS) frameworks usually contain the separated mask-refinement model and the main semantic region mining model. These approaches would contain redundant feature extraction backbones and…

Computer Vision and Pattern Recognition · Computer Science 2022-03-31 Dingwen Zhang , Wenyuan Zeng , Guangyu Guo , Chaowei Fang , Lechao Cheng , Ming-Ming Cheng , Junwei Han

Model interpretation, or explanation of a machine learning classifier, aims to extract generalizable knowledge from a trained classifier into a human-understandable format, for various purposes such as model assessment, debugging and trust.…

Machine Learning · Computer Science 2019-10-29 Jialin Lu , Martin Ester

Ensembles of models have been empirically shown to improve predictive performance and to yield robust measures of uncertainty. However, they are expensive in computation and memory. Therefore, recent research has focused on distilling…

Multi-agent reinforcement learning has shown promise in learning cooperative behaviors in team-based environments. However, such methods often demand extensive training time. For instance, the state-of-the-art method TiZero takes 40 days to…

Machine Learning · Computer Science 2025-03-18 Amir Baghi , Jens Sjölund , Joakim Bergdahl , Linus Gisslén , Alessandro Sestini

Metric-based meta-learning techniques have successfully been applied to few-shot classification problems. In this paper, we propose to leverage cross-modal information to enhance metric-based few-shot learning methods. Visual and semantic…

Machine Learning · Computer Science 2020-02-19 Chen Xing , Negar Rostamzadeh , Boris N. Oreshkin , Pedro O. Pinheiro

Active inference is an ambitious theory that treats perception, inference and action selection of autonomous agents under the heading of a single principle. It suggests biologically plausible explanations for many cognitive phenomena,…

Artificial Intelligence · Computer Science 2018-06-22 Martin Biehl , Christian Guckelsberger , Christoph Salge , Simón C. Smith , Daniel Polani

Weakly-supervised audio-visual violence detection aims to distinguish snippets containing multimodal violence events with video-level labels. Many prior works perform audio-visual integration and interaction in an early or intermediate…

Computer Vision and Pattern Recognition · Computer Science 2022-07-13 Jiashuo Yu , Jinyu Liu , Ying Cheng , Rui Feng , Yuejie Zhang

Multimodal AI models are increasingly used in fields like healthcare, finance, and autonomous driving, where information is drawn from multiple sources or modalities such as images, texts, audios, videos. However, effectively managing…

Machine Learning · Computer Science 2025-05-16 Grigor Bezirganyan , Sana Sellami , Laure Berti-Équille , Sébastien Fournier