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We present a convolution-free approach to video classification built exclusively on self-attention over space and time. Our method, named "TimeSformer," adapts the standard Transformer architecture to video by enabling spatiotemporal…

Computer Vision and Pattern Recognition · Computer Science 2021-06-10 Gedas Bertasius , Heng Wang , Lorenzo Torresani

Video periocular recognition is the task of recognizing an individual's identity based on the region around an individual's eyes. The periocular area is one of the most discriminative regions of the human face, making it suitable for…

Computer Vision and Pattern Recognition · Computer Science 2026-05-19 Luiz G F Carreira , Breno A Mariano , Victor H C de Melo , David Menotti , William Robson Schwartz

Deep learning is playing an increasingly important role in time series analysis. We focused on time series forecasting using attention free mechanism, a more efficient framework, and proposed a new architecture for time series prediction…

Machine Learning · Computer Science 2022-09-21 Hugo Inzirillo , Ludovic De Villelongue

The assignment of importance scores to particular frames or (short) segments in a video is crucial for summarization, but also a difficult task. Previous work utilizes only one source of visual features. In this paper, we suggest a novel…

Computer Vision and Pattern Recognition · Computer Science 2021-05-14 Junaid Ahmed Ghauri , Sherzod Hakimov , Ralph Ewerth

Recent advances in generative video models have enabled the creation of high-quality videos based on natural language prompts. However, these models frequently lack fine-grained temporal control, meaning they do not allow users to specify…

Computer Vision and Pattern Recognition · Computer Science 2026-04-02 Shira Schiber , Ofir Lindenbaum , Idan Schwartz

Existing attention mechanisms are trained to attend to individual items in a collection (the memory) with a predefined, fixed granularity, e.g., a word token or an image grid. We propose area attention: a way to attend to areas in the…

Machine Learning · Computer Science 2020-05-11 Yang Li , Lukasz Kaiser , Samy Bengio , Si Si

In this work, we explore the impact of visual modality in addition to speech and text for improving the accuracy of the emotion detection system. The traditional approaches tackle this task by fusing the knowledge from the various…

Machine Learning · Computer Science 2020-04-24 Seunghyun Yoon , Subhadeep Dey , Hwanhee Lee , Kyomin Jung

Anticipating future actions based on spatiotemporal observations is essential in video understanding and predictive computer vision. Moreover, a model capable of anticipating the future has important applications, it can benefit…

Computer Vision and Pattern Recognition · Computer Science 2023-03-21 Tsung-Ming Tai , Giuseppe Fiameni , Cheng-Kuang Lee , Simon See , Oswald Lanz

We propose a novel attention model that can accurately attends to target objects of various scales and shapes in images. The model is trained to gradually suppress irrelevant regions in an input image via a progressive attentive process…

Computer Vision and Pattern Recognition · Computer Science 2018-08-08 Paul Hongsuck Seo , Zhe Lin , Scott Cohen , Xiaohui Shen , Bohyung Han

We propose a new approach to determine correspondences between image pairs in the wild under large changes in illumination, viewpoint, context, and material. While other approaches find correspondences between pairs of images by treating…

Computer Vision and Pattern Recognition · Computer Science 2021-03-29 Olivia Wiles , Sebastien Ehrhardt , Andrew Zisserman

In this paper, we newly introduce the concept of temporal attention filters, and describe how they can be used for human activity recognition from videos. Many high-level activities are often composed of multiple temporal parts (e.g.,…

Computer Vision and Pattern Recognition · Computer Science 2016-12-28 AJ Piergiovanni , Chenyou Fan , Michael S. Ryoo

High-fidelity video generation remains challenging for diffusion models due to the difficulty of modeling complex spatio-temporal dynamics efficiently. Recent video diffusion methods typically represent a video as a sequence of…

Computer Vision and Pattern Recognition · Computer Science 2026-04-21 Minh Khoa Le , Kien Do , Duc Thanh Nguyen , Truyen Tran

In this work, we propose different variants of the self-attention based network for emotion prediction from movies, which we call AttendAffectNet. We take both audio and video into account and incorporate the relation among multiple…

Sound · Computer Science 2021-10-19 Ha Thi Phuong Thao , Balamurali B. T. , Dorien Herremans , Gemma Roig

Recent studies made great progress in video matting by extending the success of trimap-based image matting to the video domain. In this paper, we push this task toward a more practical setting and propose One-Trimap Video Matting network…

Computer Vision and Pattern Recognition · Computer Science 2022-07-28 Hongje Seong , Seoung Wug Oh , Brian Price , Euntai Kim , Joon-Young Lee

Video-to-video synthesis poses significant challenges in maintaining character consistency, smooth temporal transitions, and preserving visual quality during fast motion. While recent fully cross-frame self-attention mechanisms have…

Computer Vision and Pattern Recognition · Computer Science 2024-11-12 Tanvir Mahmud , Mustafa Munir , Radu Marculescu , Diana Marculescu

Algorithms for robotic visual search can benefit from the use of visual attention methods in order to reduce computational costs. Here, we describe how three distinct mechanisms of visual attention can be integrated and productively used to…

Computer Vision and Pattern Recognition · Computer Science 2018-05-31 Amir Rasouli , John K. Tsotsos

Current video-language models struggle with long-video understanding due to limited context lengths and reliance on sparse frame subsampling, often leading to information loss. This paper introduces $\infty$-Video, which can process…

Computer Vision and Pattern Recognition · Computer Science 2025-05-20 Saul Santos , António Farinhas , Daniel C. McNamee , André F. T. Martins

This paper is on long-term video understanding where the goal is to recognise human actions over long temporal windows (up to minutes long). In prior work, long temporal context is captured by constructing a long-term memory bank consisting…

Computer Vision and Pattern Recognition · Computer Science 2024-06-12 Ioanna Ntinou , Enrique Sanchez , Georgios Tzimiropoulos

A new multi-attention based method for solving the MIL problem (MAMIL), which takes into account the neighboring patches or instances of each analyzed patch in a bag, is proposed. In the method, one of the attention modules takes into…

Machine Learning · Computer Science 2021-12-14 Andrei V. Konstantinov , Lev V. Utkin

Occlusion processing is a key issue in pedestrian attribute recognition (PAR). Nevertheless, several existing video-based PAR methods have not yet considered occlusion handling in depth. In this paper, we formulate finding non-occluded…

Computer Vision and Pattern Recognition · Computer Science 2022-07-22 Geonu Lee , Kimin Yun , Jungchan Cho
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