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The objective of this paper is audio-visual synchronisation of general videos 'in the wild'. For such videos, the events that may be harnessed for synchronisation cues may be spatially small and may occur only infrequently during a many…

Computer Vision and Pattern Recognition · Computer Science 2022-10-14 Vladimir Iashin , Weidi Xie , Esa Rahtu , Andrew Zisserman

Recently, vision transformers (ViTs) have achieved excellent performance on vision tasks by measuring the global self-attention among the image patches. Given $n$ patches, they will have quadratic complexity such as $\mathcal{O}(n^2)$ and…

Computer Vision and Pattern Recognition · Computer Science 2025-06-23 Jiquan Shan , Junxiao Wang , Lifeng Zhao , Liang Cai , Hongyuan Zhang , Ioannis Liritzis

Video generation has drawn significant interest recently, pushing the development of large-scale models capable of producing realistic videos with coherent motion. Due to memory constraints, these models typically generate short video…

Computer Vision and Pattern Recognition · Computer Science 2024-07-23 Idan Kligvasser , Regev Cohen , George Leifman , Ehud Rivlin , Michael Elad

Surgical phase recognition from video enables various downstream applications. Transformer-based sliding window approaches have set the state-of-the-art by capturing rich spatial-temporal features. However, while transformers can…

Computer Vision and Pattern Recognition · Computer Science 2025-03-04 Hao Ding , Xu Lian , Mathias Unberath

Temporally consistent dense video annotations are scarce and hard to collect. In contrast, image segmentation datasets (and pre-trained models) are ubiquitous, and easier to label for any novel task. In this paper, we introduce a method to…

Computer Vision and Pattern Recognition · Computer Science 2022-03-18 Aharon Azulay , Tavi Halperin , Orestis Vantzos , Nadav Borenstein , Ofir Bibi

Facial micro-expressions are subtle and involuntary expressions that can reveal concealed emotions. Micro-expressions are an invaluable source of information in application domains such as lie detection, mental health, sentiment analysis…

Computer Vision and Pattern Recognition · Computer Science 2019-03-27 Michiel Verburg , Vlado Menkovski

Learning robotic manipulation from human videos is a promising solution to the data bottleneck in robotics, but the distribution shift between humans and robots remains a critical challenge. Existing approaches often produce entangled…

Robotics · Computer Science 2026-05-06 Zhiyuan Li , Wenyan Yang , Wenshuai Zhao , Yue Ma , Yuanpeng Tu , Pekka Marttinen , Joni Pajarinen

Facial micro-expressions (MEs) are involuntary movements of the face that occur spontaneously when a person experiences an emotion but attempts to suppress or repress the facial expression, typically found in a high-stakes environment. In…

Computer Vision and Pattern Recognition · Computer Science 2025-10-16 Xinqi Fan , Jingting Li , John See , Moi Hoon Yap , Wen-Huang Cheng , Xiaobai Li , Xiaopeng Hong , Su-Jing Wang , Adrian K. Davision

Summarizing video content is an important task in many applications. This task can be defined as the computation of the ordered list of actions present in a video. Such a list could be extracted using action detection algorithms. However,…

Machine Learning · Computer Science 2020-11-11 Guillaume Vaudaux-Ruth , Adrien Chan-Hon-Tong , Catherine Achard

Temporal action detection (TAD) aims to determine the semantic label and the temporal interval of every action instance in an untrimmed video. It is a fundamental and challenging task in video understanding. Previous methods tackle this…

Computer Vision and Pattern Recognition · Computer Science 2022-08-12 Xiaolong Liu , Qimeng Wang , Yao Hu , Xu Tang , Shiwei Zhang , Song Bai , Xiang Bai

Phase recognition in surgical videos is crucial for enhancing computer-aided surgical systems as it enables automated understanding of sequential procedural stages. Existing methods often rely on fixed temporal windows for video analysis to…

Computer Vision and Pattern Recognition · Computer Science 2024-07-25 Alejandra Pérez , Santiago Rodríguez , Nicolás Ayobi , Nicolás Aparicio , Eugénie Dessevres , Pablo Arbeláez

In recent years, end-to-end scene text spotting approaches are evolving to the Transformer-based framework. While previous studies have shown the crucial importance of the intrinsic synergy between text detection and recognition, recent…

Computer Vision and Pattern Recognition · Computer Science 2023-08-22 Mingxin Huang , Jiaxin Zhang , Dezhi Peng , Hao Lu , Can Huang , Yuliang Liu , Xiang Bai , Lianwen Jin

In dynamic acoustic environments with time-varying interferers, effective beamforming requires identifying stationary regions over time. The Capon beamformer, a whitened matched filter constrained to maintain unity gain in the desired…

Signal Processing · Electrical Eng. & Systems 2026-05-26 Manan Mittal , Ryan M. Corey , Diego Cuji , John R. Buck , Andrew C. Singer

Semantic segmentation based on sparse annotation has advanced in recent years. It labels only part of each object in the image, leaving the remainder unlabeled. Most of the existing approaches are time-consuming and often necessitate a…

Computer Vision and Pattern Recognition · Computer Science 2023-02-28 Hui Su , Yue Ye , Wei Hua , Lechao Cheng , Mingli Song

Visual information can serve as an effective cue for target speaker extraction (TSE) and is vital to improving extraction performance. In this paper, we propose AV-SepFormer, a SepFormer-based attention dual-scale model that utilizes cross-…

Interaction and navigation defined by natural language instructions in dynamic environments pose significant challenges for neural agents. This paper focuses on addressing two challenges: handling long sequence of subtasks, and…

Computer Vision and Pattern Recognition · Computer Science 2021-08-26 Alexander Pashevich , Cordelia Schmid , Chen Sun

Accurate and responsive myoelectric prosthesis control typically relies on complex, dense multi-sensor arrays, which limits consumer accessibility. This paper presents a novel, data-efficient deep learning framework designed to achieve…

Machine Learning · Computer Science 2026-02-04 Blagoj Hristov , Hristijan Gjoreski , Vesna Ojleska Latkoska , Gorjan Nadzinski

We introduce VistaFormer, a lightweight Transformer-based model architecture for the semantic segmentation of remote-sensing images. This model uses a multi-scale Transformer-based encoder with a lightweight decoder that aggregates global…

Computer Vision and Pattern Recognition · Computer Science 2024-09-16 Ezra MacDonald , Derek Jacoby , Yvonne Coady

This paper introduces WeatherFormer, a transformer encoder-based model designed to learn robust weather features from minimal observations. It addresses the challenge of modeling complex weather dynamics from small datasets, a bottleneck…

Computer Vision and Pattern Recognition · Computer Science 2024-05-29 Adib Hasan , Mardavij Roozbehani , Munther Dahleh

Temporal action segmentation in videos has drawn much attention recently. Timestamp supervision is a cost-effective way for this task. To obtain more information to optimize the model, the existing method generated pseudo frame-wise labels…

Computer Vision and Pattern Recognition · Computer Science 2022-12-14 Yang Zhao , Yan Song