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Text-level discourse parsing aims to unmask how two sentences in the text are related to each other. We propose the task of Visual Discourse Parsing, which requires understanding discourse relations among scenes in a video. Here we use the…

计算机视觉与模式识别 · 计算机科学 2022-01-25 Arjun R. Akula , Song-Chun Zhu

Video understanding has long suffered from reliance on large labeled datasets, motivating research into zero-shot learning. Recent progress in language modeling presents opportunities to advance zero-shot video analysis, but constructing an…

计算机视觉与模式识别 · 计算机科学 2024-10-24 Shreyank N Gowda , Laura Sevilla-Lara

Videos on the Internet are paired with pieces of text, such as titles and descriptions. This text typically describes the most important content in the video, such as the objects in the scene and the actions being performed. Based on this…

计算机视觉与模式识别 · 计算机科学 2021-08-31 Jonathan C. Stroud , Zhichao Lu , Chen Sun , Jia Deng , Rahul Sukthankar , Cordelia Schmid , David A. Ross

Understanding emotions in videos is a challenging task. However, videos contain several modalities which make them a rich source of data for machine learning and deep learning tasks. In this work, we aim to improve video sentiment…

计算机视觉与模式识别 · 计算机科学 2025-01-14 Mehrshad Saadatinia , Minoo Ahmadi , Armin Abdollahi

In recent years, video action recognition, as a fundamental task in the field of video understanding, has been deeply explored by numerous researchers.Most traditional video action recognition methods typically involve converting videos…

计算机视觉与模式识别 · 计算机科学 2024-08-20 Junlin Chen , Chengcheng Xu , Yangfan Xu , Jian Yang , Jun Li , Zhiping Shi

Inspired by recent advances in neural machine translation, that jointly align and translate using encoder-decoder networks equipped with attention, we propose an attentionbased LSTM model for human activity recognition. Our model jointly…

计算机视觉与模式识别 · 计算机科学 2017-09-01 Atousa Torabi , Leonid Sigal

One of the challenging tasks in the field of video understanding is extracting semantic content from video inputs. Most existing systems use language models to describe videos in natural language sentences, but this has several major…

计算机视觉与模式识别 · 计算机科学 2025-01-03 Taniya Das , Louis Mahon , Thomas Lukasiewicz

In this work, we present a novel approach to multi-view action recognition where we guide learned action representations to be separated from view-relevant information in a video. When trying to classify action instances captured from…

计算机视觉与模式识别 · 计算机科学 2023-12-12 Nyle Siddiqui , Praveen Tirupattur , Mubarak Shah

In this paper we consider the problem of classifying fine-grained, multi-step activities (e.g., cooking different recipes, making disparate home improvements, creating various forms of arts and crafts) from long videos spanning up to…

计算机视觉与模式识别 · 计算机科学 2022-06-20 Xudong Lin , Fabio Petroni , Gedas Bertasius , Marcus Rohrbach , Shih-Fu Chang , Lorenzo Torresani

Human action recognition remains a challenging task due to the various sources of video data and large intra-class variations. It thus becomes one of the key issues in recent research to explore effective and robust representation to handle…

计算机视觉与模式识别 · 计算机科学 2015-11-17 Mengyi Liu , Ruiping Wang , Shiguang Shan , Xilin Chen

Many videos depict people, and it is their interactions that inform us of their activities, relation to one another and the cultural and social setting. With advances in human action recognition, researchers have begun to address the…

计算机视觉与模式识别 · 计算机科学 2020-06-24 Alexandros Stergiou , Ronald Poppe

A defining characteristic of intelligent systems is the ability to make action decisions based on the anticipated outcomes. Video prediction systems have been demonstrated as a solution for predicting how the future will unfold visually,…

计算机视觉与模式识别 · 计算机科学 2019-10-08 Manuel Serra Nunes , Atabak Dehban , Plinio Moreno , José Santos-Victor

Video Action Detection (VAD) entails localizing and categorizing action instances within videos, which inherently consist of diverse information sources such as audio, visual cues, and surrounding scene contexts. Leveraging this multi-modal…

计算机视觉与模式识别 · 计算机科学 2025-02-04 Taein Son , Soo Won Seo , Jisong Kim , Seok Hwan Lee , Jun Won Choi

Human body actions are an important form of non-verbal communication in social interactions. This paper specifically focuses on a subset of body actions known as micro-actions, which are subtle, low-intensity body movements with promising…

计算机视觉与模式识别 · 计算机科学 2025-08-21 Kun Li , Pengyu Liu , Dan Guo , Fei Wang , Zhiliang Wu , Hehe Fan , Meng Wang

In this study, the influence of objects is investigated in the scenario of human action recognition with large number of classes. We hypothesize that the objects the humans are interacting will have good say in determining the action being…

计算机视觉与模式识别 · 计算机科学 2015-12-25 O. V. Ramana Murthy , Roland Goecke

We describe a novel cross-modal embedding space for actions, named Action2Vec, which combines linguistic cues from class labels with spatio-temporal features derived from video clips. Our approach uses a hierarchical recurrent network to…

计算机视觉与模式识别 · 计算机科学 2019-01-03 Meera Hahn , Andrew Silva , James M. Rehg

Video understanding has attracted much research attention especially since the recent availability of large-scale video benchmarks. In this paper, we address the problem of multi-label video classification. We first observe that there…

计算机视觉与模式识别 · 计算机科学 2017-11-07 Fang Yuan , Zhe Wang , Jie Lin , Luis Fernando D'Haro , Kim Jung Jae , Zeng Zeng , Vijay Chandrasekhar

A core challenge for an agent learning to interact with the world is to predict how its actions affect objects in its environment. Many existing methods for learning the dynamics of physical interactions require labeled object information.…

机器学习 · 计算机科学 2016-10-19 Chelsea Finn , Ian Goodfellow , Sergey Levine

The action anticipation task refers to predicting what action will happen based on observed videos, which requires the model to have a strong ability to summarize the present and then reason about the future. Experience and common sense…

计算机视觉与模式识别 · 计算机科学 2024-08-07 Xin Liu , Chao Hao , Zitong Yu , Huanjing Yue , Jingyu Yang

Automatically generating sentences to describe events and temporally localizing sentences in a video are two important tasks that bridge language and videos. Recent techniques leverage the multimodal nature of videos by using off-the-shelf…

计算机视觉与模式识别 · 计算机科学 2020-07-29 Shaoxiang Chen , Wenhao Jiang , Wei Liu , Yu-Gang Jiang