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Video paragraph captioning aims to describe multiple events in untrimmed videos with descriptive paragraphs. Existing approaches mainly solve the problem in two steps: event detection and then event captioning. Such two-step manner makes…

Computer Vision and Pattern Recognition · Computer Science 2021-06-01 Yuqing Song , Shizhe Chen , Qin Jin

Learning visual feature representations for video analysis is a daunting task that requires a large amount of training samples and a proper generalization framework. Many of the current state of the art methods for video captioning and…

Machine Learning · Computer Science 2018-09-20 Oliver Nina , Washington Garcia , Scott Clouse , Alper Yilmaz

Object detection is a fundamental task in computer vision, requiring large annotated datasets that are difficult to collect, as annotators need to label objects and their bounding boxes. Thus, it is a significant challenge to use cheaper…

Computer Vision and Pattern Recognition · Computer Science 2020-10-01 Achiya Jerbi , Roei Herzig , Jonathan Berant , Gal Chechik , Amir Globerson

This paper addresses automatic summarization of videos in a unified manner. In particular, we propose a framework for multi-faceted summarization for extractive, query base and entity summarization (summarization at the level of entities…

Computer Vision and Pattern Recognition · Computer Science 2019-01-07 Vishal Kaushal , Rishabh Iyer , Khoshrav Doctor , Anurag Sahoo , Pratik Dubal , Suraj Kothawade , Rohan Mahadev , Kunal Dargan , Ganesh Ramakrishnan

We present a novel approach for the detection of deepfake videos using a pair of vision transformers pre-trained by a self-supervised masked autoencoding setup. Our method consists of two distinct components, one of which focuses on…

Computer Vision and Pattern Recognition · Computer Science 2024-02-12 Sayantan Das , Mojtaba Kolahdouzi , Levent Özparlak , Will Hickie , Ali Etemad

We propose a self-supervised framework that learns to group visual entities based on their rate of co-occurrence in space and time. To model statistical dependencies between the entities, we set up a simple binary classification problem in…

Machine Learning · Computer Science 2015-11-24 Phillip Isola , Daniel Zoran , Dilip Krishnan , Edward H. Adelson

We present SEMBED, an approach for embedding an egocentric object interaction video in a semantic-visual graph to estimate the probability distribution over its potential semantic labels. When object interactions are annotated using…

Computer Vision and Pattern Recognition · Computer Science 2016-08-01 Michael Wray , Davide Moltisanti , Walterio Mayol-Cuevas , Dima Damen

Dense video captioning is a task of localizing interesting events from an untrimmed video and producing textual description (captions) for each localized event. Most of the previous works in dense video captioning are solely based on visual…

Computer Vision and Pattern Recognition · Computer Science 2020-05-07 Vladimir Iashin , Esa Rahtu

Traditional information retrieval treats named entity recognition as a pre-indexing corpus annotation task, allowing entity tags to be indexed and used during search. Named entity taggers themselves are typically trained on thousands or…

Information Retrieval · Computer Science 2018-06-14 John Foley , Sheikh Muhammad Sarwar , James Allan

Cross-modal entity linking refers to the ability to align entities and their attributes across different modalities. While cross-modal entity linking is a fundamental skill needed for real-world applications such as multimodal code…

Computation and Language · Computer Science 2025-06-02 Iñigo Alonso , Gorka Azkune , Ander Salaberria , Jeremy Barnes , Oier Lopez de Lacalle

Self-supervised learning has become increasingly important to leverage the abundance of unlabeled data available on platforms like YouTube. Whereas most existing approaches learn low-level representations, we propose a joint…

Computer Vision and Pattern Recognition · Computer Science 2019-09-13 Chen Sun , Austin Myers , Carl Vondrick , Kevin Murphy , Cordelia Schmid

We propose a self-supervised visual learning method by predicting the variable playback speeds of a video. Without semantic labels, we learn the spatio-temporal visual representation of the video by leveraging the variations in the visual…

Computer Vision and Pattern Recognition · Computer Science 2021-06-02 Hyeon Cho , Taehoon Kim , Hyung Jin Chang , Wonjun Hwang

This paper presents a novel approach for temporal and semantic segmentation of edited videos into meaningful segments, from the point of view of the storytelling structure. The objective is to decompose a long video into more manageable…

Computer Vision and Pattern Recognition · Computer Science 2016-11-11 Lorenzo Baraldi , Costantino Grana , Rita Cucchiara

In this paper we present a new computer vision task, named video instance segmentation. The goal of this new task is simultaneous detection, segmentation and tracking of instances in videos. In words, it is the first time that the image…

Computer Vision and Pattern Recognition · Computer Science 2019-08-19 Linjie Yang , Yuchen Fan , Ning Xu

Tagging of visual content is becoming more and more widespread as web-based services and social networks have popularized tagging functionalities among their users. These user-generated tags are used to ease browsing and exploration of…

Computer Vision and Pattern Recognition · Computer Science 2015-09-09 Lamberto Ballan , Marco Bertini , Giuseppe Serra , Alberto Del Bimbo

In this paper, we propose a new approach for retrieval of video segments using natural language queries. Unlike most previous approaches such as concept-based methods or rule-based structured models, the proposed method uses image…

Computer Vision and Pattern Recognition · Computer Science 2017-07-04 Sangkuk Lee , Daesik Kim , Myunggi Lee , Jihye Hwang , Nojun Kwak

Recent advances in vision-language models have led to impressive progress in caption generation for images and short video clips. However, these models remain constrained by their limited temporal receptive fields, making it difficult to…

Computer Vision and Pattern Recognition · Computer Science 2025-07-08 Sanghyeok Chu , Seonguk Seo , Bohyung Han

Annotated 3D scene data is scarce and expensive to acquire, while abundant unlabeled videos are readily available on the internet. In this paper, we demonstrate that carefully designed data engines can leverage web-curated, unlabeled videos…

Computer Vision and Pattern Recognition · Computer Science 2026-04-27 Yixin Chen , Yaowei Zhang , Huangyue Yu , Junchao He , Yan Wang , Jiangyong Huang , Hongyu Shen , Junfeng Ni , Shaofei Wang , Baoxiong Jia , Song-Chun Zhu , Siyuan Huang

True understanding of videos comes from a joint analysis of all its modalities: the video frames, the audio track, and any accompanying text such as closed captions. We present a way to learn a compact multimodal feature representation that…

Computer Vision and Pattern Recognition · Computer Science 2020-04-07 Vivek Sharma , Makarand Tapaswi , Rainer Stiefelhagen

Video captioning is a challenging task since it requires generating sentences describing various diverse and complex videos. Existing video captioning models lack adequate visual representation due to the neglect of the existence of gaps…

Computer Vision and Pattern Recognition · Computer Science 2021-10-14 Mingkang Tang , Zhanyu Wang , Zhenhua Liu , Fengyun Rao , Dian Li , Xiu Li