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While wearable cameras are becoming increasingly popular, locating relevant information in large unstructured collections of egocentric images is still a tedious and time consuming processes. This paper addresses the problem of organizing…

Artificial Intelligence · Computer Science 2016-11-03 Mariella Dimiccoli , Marc Bolaños , Estefania Talavera , Maedeh Aghaei , Stavri G. Nikolov , Petia Radeva

The availability and use of egocentric data are rapidly increasing due to the growing use of wearable cameras. Our aim is to study the effect (positive, neutral or negative) of egocentric images or events on an observer. Given egocentric…

Computer Vision and Pattern Recognition · Computer Science 2019-05-13 Estefania Talavera , Petia Radeva , Nicolai Petkov

Building a visual summary from an egocentric photostream captured by a lifelogging wearable camera is of high interest for different applications (e.g. memory reinforcement). In this paper, we propose a new summarization method based on…

Computer Vision and Pattern Recognition · Computer Science 2015-05-07 Marc Bolaños , Ricard Mestre , Estefanía Talavera , Xavier Giró-i-Nieto , Petia Radeva

Wearable cameras can gather large a\-mounts of image data that provide rich visual information about the daily activities of the wearer. Motivated by the large number of health applications that could be enabled by the automatic recognition…

Computer Vision and Pattern Recognition · Computer Science 2018-05-11 Alejandro Cartas , Juan Marin , Petia Radeva , Mariella Dimiccoli

The emergence of low-cost personal mobiles devices and wearable cameras and the increasing storage capacity of video-sharing websites have pushed forward a growing interest towards first-person videos. Since most of the recorded videos…

Computer Vision and Pattern Recognition · Computer Science 2017-08-17 Michel Melo Silva , Washington Luis Souza Ramos , Joao Pedro Klock Ferreira , Mario Fernando Montenegro Campos , Erickson Rangel Nascimento

Wearable cameras capture a first-person view of the daily activities of the camera wearer, offering a visual diary of the user behaviour. Detection of the appearance of people the camera user interacts with for social interactions analysis…

Computer Vision and Pattern Recognition · Computer Science 2019-05-13 Estefania Talavera , Alexandre Cola , Nicolai Petkov , Petia Radeva

This paper proposes a system for automatic social pattern characterization using a wearable photo-camera. The proposed pipeline consists of three major steps. First, detection of people with whom the camera wearer interacts and, second,…

Computer Vision and Pattern Recognition · Computer Science 2017-09-19 Maedeh Aghaei , Mariella Dimiccoli , Cristian Canton Ferrer , Petia Radeva

The automatic discovery of behaviour is of high importance when aiming to assess and improve the quality of life of people. Egocentric images offer a rich and objective description of the daily life of the camera wearer. This work proposes…

Computer Vision and Pattern Recognition · Computer Science 2021-01-06 Martin Menchon , Estefania Talavera , Jose M Massa , Petia Radeva

We present a video summarization approach for egocentric or "wearable" camera data. Given hours of video, the proposed method produces a compact storyboard summary of the camera wearer's day. In contrast to traditional keyframe selection…

Computer Vision and Pattern Recognition · Computer Science 2015-05-20 Yong Jae Lee , Kristen Grauman

Recent studies have shown that the environment where people eat can affect their nutritional behaviour. In this work, we provide automatic tools for a personalised analysis of a person's health habits by the examination of daily recorded…

Computer Vision and Pattern Recognition · Computer Science 2019-05-13 Estefania Talavera , Maria Leyva-Vallina , Md. Mostafa Kamal Sarker , Domenec Puig , Nicolai Petkov , Petia Radeva

Egocentric vision consists in acquiring images along the day from a first person point-of-view using wearable cameras. The automatic analysis of this information allows to discover daily patterns for improving the quality of life of the…

Computer Vision and Pattern Recognition · Computer Science 2017-11-10 Marc Bolaños , Álvaro Peris , Francisco Casacuberta , Sergi Soler , Petia Radeva

Following the increasingly popular trend of social interaction analysis in egocentric vision, this manuscript presents a comprehensive study for automatic social pattern characterization of a wearable photo-camera user, by relying on the…

Computer Vision and Pattern Recognition · Computer Science 2018-01-10 Maedeh Aghaei , Mariella Dimiccoli , Cristian Canton Ferrer , Petia Radeva

With vast amounts of video content being uploaded to the Internet every minute, video summarization becomes critical for efficient browsing, searching, and indexing of visual content. Nonetheless, the spread of social and egocentric cameras…

Computer Vision and Pattern Recognition · Computer Science 2021-10-18 Mohamed Elfeki , Liqiang Wang , Ali Borji

Thanks to the low operational cost and large storage capacity of smartphones and wearable devices, people are recording many hours of daily activities, sport actions and home videos. These videos, also known as egocentric videos, are…

Computer Vision and Pattern Recognition · Computer Science 2017-08-17 Washington Luis Souza Ramos , Michel Melo Silva , Mario Fernando Montenegro Campos , Erickson Rangel Nascimento

Lifelogging is a process of collecting rich source of information about daily life of people. In this paper, we introduce the problem of sentiment analysis in egocentric events focusing on the moments that compose the images recalling…

Computer Vision and Pattern Recognition · Computer Science 2017-03-30 Estefania Talavera , Nicola Strisciuglio , Nicolai Petkov , Petia Radeva

First-person stories can be analyzed by means of egocentric pictures acquired throughout the whole active day with wearable cameras. This manuscript presents an egocentric dataset with more than 45,000 pictures from four people in different…

Computer Vision and Pattern Recognition · Computer Science 2017-07-26 Pedro Herruzo , Laura Portell , Alberto Soto , Beatriz Remeseiro

Given an unconstrained stream of images captured by a wearable photo-camera (2fpm), we propose an unsupervised bottom-up approach for automatic clustering appearing faces into the individual identities present in these data. The problem is…

Computer Vision and Pattern Recognition · Computer Science 2017-05-15 Maedeh Aghaei , Mariella Dimiccoli , Petia Radeva

Given a user wearing a low frame rate wearable camera during a day, this work aims to automatically detect the moments when the user gets engaged into a social interaction solely by reviewing the automatically captured photos by the worn…

Computer Vision and Pattern Recognition · Computer Science 2017-05-15 Maedeh Aghaei , Mariella Dimiccoli , Petia Radeva

With the rapid development of artificial intelligence technologies and wearable devices, egocentric vision understanding has emerged as a new and challenging research direction, gradually attracting widespread attention from both academia…

Computer Vision and Pattern Recognition · Computer Science 2025-09-25 Xiang Li , Heqian Qiu , Lanxiao Wang , Hanwen Zhang , Chenghao Qi , Linfeng Han , Huiyu Xiong , Hongliang Li

This work presents a retrieval pipeline and evaluation scheme for the problem of finding the last appearance of personal objects in a large dataset of images captured from a wearable camera. Each personal object is modelled by a small set…

Information Retrieval · Computer Science 2017-03-06 Cristian Reyes , Eva Mohedano , Kevin McGuinness , Noel E. O'Connor , Xavier Giro-i-Nieto
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