activity
20162023
most citedDeriving Emotions and Sentiments from Visual Content: A Disaster Analysis Use Case

5 citations · 20 across the 13 of their papers we have counts for

collaborators

13 papers

cs.CV2023★ 1 cited

Capsules as viewpoint learners for human pose estimation

Nicola Garau, Nicola Conci

The task of human pose estimation (HPE) deals with the ill-posed problem of estimating the 3D position of human joints directly from images and videos. In recent literature, most o…

cs.CV2022★ 2 cited

Interpretable part-whole hierarchies and conceptual-semantic relationships in neural networks

Nicola Garau, Niccolò Bisagno, Zeno Sambugaro +1

Deep neural networks achieve outstanding results in a large variety of tasks, often outperforming human experts. However, a known limitation of current neural architectures is the…

cs.CL2021

Visual Sentiment Analysis: A Natural DisasterUse-case Task at MediaEval 2021

Syed Zohaib Hassan, Kashif Ahmad, Michael A. Riegler +4

The Visual Sentiment Analysis task is being offered for the first time at MediaEval. The main purpose of the task is to predict the emotional response to images of natural disaster…

cs.CV2021

DECA: Deep viewpoint-Equivariant human pose estimation using Capsule Autoencoders

Nicola Garau, Niccolò Bisagno, Piotr Bródka +1

Human Pose Estimation (HPE) aims at retrieving the 3D position of human joints from images or videos. We show that current 3D HPE methods suffer a lack of viewpoint equivariance, n…

cs.CV2020★ 3 cited

Flood Detection via Twitter Streams using Textual and Visual Features

Firoj Alam, Zohaib Hassan, Kashif Ahmad +4

The paper presents our proposed solutions for the MediaEval 2020 Flood-Related Multimedia Task, which aims to analyze and detect flooding events in multimedia content shared over T…

cs.CV2020★ 3 cited

Visual Sentiment Analysis from Disaster Images in Social Media

Syed Zohaib Hassan, Kashif Ahmad, Steven Hicks +4

The increasing popularity of social networks and users' tendency towards sharing their feelings, expressions, and opinions in text, visual, and audio content, have opened new oppor…

cs.CV2020★ 5 cited

Deriving Emotions and Sentiments from Visual Content: A Disaster Analysis Use Case

Kashif Ahmad, Syed Zohaib, Nicola Conci +1

Sentiment analysis aims to extract and express a person's perception, opinions and emotions towards an entity, object, product and a service, enabling businesses to obtain feedback…

cs.CV2019

Sentiment Analysis from Images of Natural Disasters

Syed Zohaib, Kashif Ahmad, Nicola Conci +1

Social media have been widely exploited to detect and gather relevant information about opinions and events. However, the relevance of the information is very subjective and rather…

cs.CV2019★ 4 cited

Multi-Modal Machine Learning for Flood Detection in News, Social Media and Satellite Sequences

Kashif Ahmad, Konstantin Pogorelov, Mohib Ullah +4

In this paper we present our methods for the MediaEval 2019 Mul-timedia Satellite Task, which is aiming to extract complementaryinformation associated with adverse events from Soci…

cs.CV2019★ 2 cited

Active Learning for Event Detection in Support of Disaster Analysis Applications

Naina Said, Kashif Ahmad, Nicola Conci +1

Disaster analysis in social media content is one of the interesting research domains having abundance of data. However, there is a lack of labeled data that can be used to train ma…

cs.IR2019

Natural Disasters Detection in Social Media and Satellite imagery: a survey

Naina Said, Kashif Ahmad, Michael Regular +4

The analysis of natural disaster-related multimedia content got great attention in recent years. Being one of the most important sources of information, social media have been craw…

cs.IR2019

Automatic detection of passable roads after floods in remote sensed and social media data

Kashif Ahmad, Konstantin Pogorelov, Michael Riegler +4

This paper addresses the problem of floods classification and floods aftermath detection utilizing both social media and satellite imagery. Automatic detection of disasters such as…

cs.MM2016

Automatic Synchronization of Multi-User Photo Galleries

E. Sansone, K. Apostolidis, N. Conci +3

In this paper we address the issue of photo galleries synchronization, where pictures related to the same event are collected by different users. Existing solutions to address the…