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Recent video action recognition methods have shown excellent performance by adapting large-scale pre-trained language-image models to the video domain. However, language models contain rich common sense priors - the scene contexts that…

计算机视觉与模式识别 · 计算机科学 2025-06-23 Xiaodan Hu , Chuhang Zou , Suchen Wang , Jaechul Kim , Narendra Ahuja

Emotion classification is often formulated as the task to categorize texts into a predefined set of emotion classes. So far, this task has been the recognition of the emotion of writers and readers, as well as that of entities mentioned in…

计算与语言 · 计算机科学 2022-04-12 Enrica Troiano , Laura Oberländer , Maximilian Wegge , Roman Klinger

Automatic video description requires the generation of natural language statements about the actions, events, and objects in the video. An important human trait, when we describe a video, is that we are able to do this with variable levels…

计算机视觉与模式识别 · 计算机科学 2023-11-14 Fatemeh Ziaeetabar , Reza Safabakhsh , Saeedeh Momtazi , Minija Tamosiunaite , Florentin Wörgötter

We apply a generative segmental model of task structure, guided by narration, to action segmentation in video. We focus on unsupervised and weakly-supervised settings where no action labels are known during training. Despite its simplicity,…

计算与语言 · 计算机科学 2020-08-13 Daniel Fried , Jean-Baptiste Alayrac , Phil Blunsom , Chris Dyer , Stephen Clark , Aida Nematzadeh

We present a method for learning word meanings from complex and realistic video clips by discriminatively training (DT) positive sentential labels against negative ones, and then use the trained word models to generate sentential…

计算机视觉与模式识别 · 计算机科学 2013-06-25 Haonan Yu , Jeffrey Mark Siskind

Action recognition is a critical task for social robots to meaningfully engage with their environment. 3D human skeleton-based action recognition is an attractive research area in recent years. Although, the existing approaches are good at…

计算机视觉与模式识别 · 计算机科学 2021-01-01 Hui Feng , Shanshan Wang , Shuzhi Sam Ge

Moments capture a huge part of our lives. Accurate recognition of these moments is challenging due to the diverse and complex interpretation of the moments. Action recognition refers to the act of classifying the desired action/activity…

计算机视觉与模式识别 · 计算机科学 2018-09-14 Ankit Shah , Harini Kesavamoorthy , Poorva Rane , Pramati Kalwad , Alexander Hauptmann , Florian Metze

Video understanding is a growing field and a subject of intense research, which includes many interesting tasks to understanding both spatial and temporal information, e.g., action detection, action recognition, video captioning, video…

计算机视觉与模式识别 · 计算机科学 2022-12-20 Khoa Vo , Kashu Yamazaki , Phong X. Nguyen , Phat Nguyen , Khoa Luu , Ngan Le

Human communication takes many forms, including speech, text and instructional videos. It typically has an underlying structure, with a starting point, ending, and certain objective steps between them. In this paper, we consider…

计算机视觉与模式识别 · 计算机科学 2016-05-12 Ozan Sener , Amir Roshan Zamir , Chenxia Wu , Silvio Savarese , Ashutosh Saxena

Video description is one of the most challenging problems in vision and language understanding due to the large variability both on the video and language side. Models, hence, typically shortcut the difficulty in recognition and generate…

计算机视觉与模式识别 · 计算机科学 2019-05-07 Luowei Zhou , Yannis Kalantidis , Xinlei Chen , Jason J. Corso , Marcus Rohrbach

In the current era of Machine Learning, Transformers have become the de facto approach across a variety of domains, such as computer vision and natural language processing. Transformer-based solutions are the backbone of current…

计算机视觉与模式识别 · 计算机科学 2025-01-16 Mihai Masala , Marius Leordeanu

Most natural videos contain numerous events. For example, in a video of a "man playing a piano", the video might also contain "another man dancing" or "a crowd clapping". We introduce the task of dense-captioning events, which involves both…

计算机视觉与模式识别 · 计算机科学 2017-05-03 Ranjay Krishna , Kenji Hata , Frederic Ren , Li Fei-Fei , Juan Carlos Niebles

This paper presents a new task, the grounding of spatio-temporal identifying descriptions in videos. Previous work suggests potential bias in existing datasets and emphasizes the need for a new data creation schema to better model…

计算机视觉与模式识别 · 计算机科学 2019-04-09 Peratham Wiriyathammabhum , Abhinav Shrivastava , Vlad I. Morariu , Larry S. Davis

We introduce the Action Transformer model for recognizing and localizing human actions in video clips. We repurpose a Transformer-style architecture to aggregate features from the spatiotemporal context around the person whose actions we…

计算机视觉与模式识别 · 计算机科学 2019-05-20 Rohit Girdhar , João Carreira , Carl Doersch , Andrew Zisserman

In this paper we deal with the problem of predicting action progress in videos. We argue that this is an extremely important task since it can be valuable for a wide range of interaction applications. To this end we introduce a novel…

计算机视觉与模式识别 · 计算机科学 2020-03-11 Federico Becattini , Tiberio Uricchio , Lorenzo Seidenari , Lamberto Ballan , Alberto Del Bimbo

The task of action recognition or action detection involves analyzing videos and determining what action or motion is being performed. The primary subject of these videos are predominantly humans performing some action. However, this…

计算机视觉与模式识别 · 计算机科学 2019-01-29 Amlaan Bhoi

A comparative study of various techniques which can be used for summarization of Videos i.e. Video to Video conversion is presented along with respective architecture, results, strengths and shortcomings. In all approaches, a lengthy video…

计算机视觉与模式识别 · 计算机科学 2021-01-22 Ravi Raj , Varad Bhatnagar , Aman Kumar Singh , Sneha Mane , Nilima Walde

The task of describing video content in natural language is commonly referred to as video captioning. Unlike conventional video captions, which are typically brief and widely available, long-form paragraph descriptions in natural language…

计算机视觉与模式识别 · 计算机科学 2025-07-08 Mihai Masala , Marius Leordeanu

Videos are more informative than images because they capture the dynamics of the scene. By representing motion in videos, we can capture dynamic activities. In this work, we introduce GPT-4 generated motion descriptions that capture…

计算机视觉与模式识别 · 计算机科学 2024-06-10 Chinmaya Devaraj , Cornelia Fermuller , Yiannis Aloimonos

Human action analysis and understanding in videos is an important and challenging task. Although substantial progress has been made in past years, the explainability of existing methods is still limited. In this work, we propose a novel…

计算机视觉与模式识别 · 计算机科学 2019-08-29 Tao Zhuo , Zhiyong Cheng , Peng Zhang , Yongkang Wong , Mohan Kankanhalli