no code implementations • 8 Dec 2024 • Muhammad Imran, Abdul Wahab Ziaullah, Kai Chen, Ferda Ofli
The widespread use of microblogging platforms like X (formerly Twitter) during disasters provides real-time information to governments and response authorities.
no code implementations • 18 Apr 2024 • Abdul Wahab Ziaullah, Ferda Ofli, Muhammad Imran
Critical Infrastructure Facilities (CIFs), such as healthcare and transportation facilities, are vital for the functioning of a community, especially during large-scale emergencies.
1 code implementation • 8 Nov 2022 • Nando Metzger, John E. Vargas-Muñoz, Rodrigo C. Daudt, Benjamin Kellenberger, Thao Ton-That Whelan, Ferda Ofli, Muhammad Imran, Konrad Schindler, Devis Tuia
Fine-grained population maps are needed in several domains, like urban planning, environmental monitoring, public health, and humanitarian operations.
no code implementations • 7 Nov 2022 • Fevziye Irem Eyiokur, Alperen Kantarcı, Mustafa Ekrem Erakin, Naser Damer, Ferda Ofli, Muhammad Imran, Janez Križaj, Albert Ali Salah, Alexander Waibel, Vitomir Štruc, Hazim Kemal Ekenel
The emergence of COVID-19 has had a global and profound impact, not only on society as a whole, but also on the lives of individuals.
1 code implementation • 2 Nov 2022 • Alperen Kantarcı, Ferda Ofli, Muhammad Imran, Hazim Kemal Ekenel
In this work, we present a novel face mask detection dataset that contains images posted on Twitter during the pandemic from around the world.
no code implementations • CVPR 2022 • Dim P. Papadopoulos, Enrique Mora, Nadiia Chepurko, Kuan Wei Huang, Ferda Ofli, Antonio Torralba
To validate our idea, we crowdsource programs for cooking recipes and show that: (a) projecting the image-recipe embeddings into programs leads to better cross-modal retrieval results; (b) generating programs from images leads to better recognition results compared to predicting raw cooking instructions; and (c) we can generate food images by manipulating programs via optimizing the latent code of a GAN.
no code implementations • 14 Feb 2022 • Ferda Ofli, Umair Qazi, Muhammad Imran, Julien Roch, Catherine Pennington, Vanessa Banks, Remy Bossu
This paper presents an online system that leverages social media data in real time to identify landslide-related information automatically using state-of-the-art artificial intelligence techniques.
1 code implementation • 11 Jan 2022 • Ethan Weber, Dim P. Papadopoulos, Agata Lapedriza, Ferda Ofli, Muhammad Imran, Antonio Torralba
In this work, we present the Incidents1M Dataset, a large-scale multi-label dataset which contains 977, 088 images, with 43 incident and 49 place categories.
1 code implementation • 16 Nov 2021 • Şeymanur Aktı, Ferda Ofli, Muhammad Imran, Hazim Kemal Ekenel
We also propose a new dataset, named Social Media Fight Images (SMFI), comprising real-world images of fight actions.
1 code implementation • 4 Oct 2021 • Muhammad Imran, Umair Qazi, Ferda Ofli
The widespread usage of social networks during mass convergence events, such as health emergencies and disease outbreaks, provides instant access to citizen-generated data that carry rich information about public opinions, sentiments, urgent needs, and situational reports.
no code implementations • 3 Oct 2021 • Ferda Ofli, Muhammad Imran, Umair Qazi, Julien Roch, Catherine Pennington, Vanessa J. Banks, Remy Bossu
Lack of global data inventories obstructs scientific modeling of and response to landslide hazards which are oftentimes deadly and costly.
1 code implementation • 29 Aug 2021 • Firoj Alam, Tanvirul Alam, Md. Arid Hasan, Abul Hasnat, Muhammad Imran, Ferda Ofli
This is the first dataset of its kind: social media images, disaster response, and multi-task learning research.
no code implementations • 29 Jul 2021 • Benjamin Kellenberger, John E. Vargas-Muñoz, Devis Tuia, Rodrigo C. Daudt, Konrad Schindler, Thao T-T Whelan, Brenda Ayo, Ferda Ofli, Muhammad Imran
Building functions shall be retrieved by parsing social media data like for instance tweets, as well as ground-based imagery, to automatically identify different buildings functions and retrieve further information such as the number of building stories.
no code implementations • 9 Apr 2021 • Firoj Alam, Tanvirul Alam, Muhammad Imran, Ferda Ofli
Images shared on social media help crisis managers gain situational awareness and assess incurred damages, among other response tasks.
no code implementations • 7 Apr 2021 • Firoj Alam, Umair Qazi, Muhammad Imran, Ferda Ofli
Social networks are widely used for information consumption and dissemination, especially during time-critical events such as natural disasters.
no code implementations • 17 Nov 2020 • Firoj Alam, Ferda Ofli, Muhammad Imran, Tanvirul Alam, Umair Qazi
In this study, we propose new datasets for disaster type detection, and informativeness classification, and damage severity assessment.
1 code implementation • ECCV 2020 • Ethan Weber, Nuria Marzo, Dim P. Papadopoulos, Aritro Biswas, Agata Lapedriza, Ferda Ofli, Muhammad Imran, Antonio Torralba
While most studies on social media are limited to text, images offer more information for understanding disaster and incident scenes.
1 code implementation • 22 May 2020 • Umair Qazi, Muhammad Imran, Ferda Ofli
The past several years have witnessed a huge surge in the use of social media platforms during mass convergence events such as health emergencies, natural or human-induced disasters.
no code implementations • 14 Apr 2020 • Firoj Alam, Hassan Sajjad, Muhammad Imran, Ferda Ofli
Time-critical analysis of social media streams is important for humanitarian organizations for planing rapid response during disasters.
1 code implementation • 14 Apr 2020 • Ferda Ofli, Firoj Alam, Muhammad Imran
Multimedia content in social media platforms provides significant information during disaster events.
Ranked #1 on Disaster Response on CrisisMMD
no code implementations • 14 Apr 2020 • Muhammad Imran, Firoj Alam, Umair Qazi, Steve Peterson, Ferda Ofli
Rapid damage assessment is one of the core tasks that response organizations perform at the onset of a disaster to understand the scale of damage to infrastructures such as roads, bridges, and buildings.
no code implementations • CVPR 2019 • Dim P. Papadopoulos, Youssef Tamaazousti, Ferda Ofli, Ingmar Weber, Antonio Torralba
From a visual perspective, every instruction step can be seen as a way to change the visual appearance of the dish by adding extra objects (e. g., adding an ingredient) or changing the appearance of the existing ones (e. g., cooking the dish).
no code implementations • 14 Oct 2018 • Javier Marin, Aritro Biswas, Ferda Ofli, Nicholas Hynes, Amaia Salvador, Yusuf Aytar, Ingmar Weber, Antonio Torralba
In this paper, we introduce Recipe1M+, a new large-scale, structured corpus of over one million cooking recipes and 13 million food images.
Ranked #2 on Cross-Modal Retrieval on Recipe1M+
2 code implementations • 2 May 2018 • Firoj Alam, Ferda Ofli, Muhammad Imran
Despite extensive research that mainly focuses on textual content to extract useful information, limited work has focused on the use of imagery content or the combination of both content types.
Social and Information Networks Computers and Society
no code implementations • CVPR 2017 • Amaia Salvador, Nicholas Hynes, Yusuf Aytar, Javier Marin, Ferda Ofli, Ingmar Weber, Antonio Torralba
In this paper, we introduce Recipe1M, a new large-scale, structured corpus of over 1m cooking recipes and 800k food images.
no code implementations • 9 Apr 2017 • Dat Tien Nguyen, Firoj Alam, Ferda Ofli, Muhammad Imran
The extensive use of social media platforms, especially during disasters, creates unique opportunities for humanitarian organizations to gain situational awareness and launch relief operations accordingly.
no code implementations • 9 Mar 2017 • Enes Kocabey, Mustafa Camurcu, Ferda Ofli, Yusuf Aytar, Javier Marin, Antonio Torralba, Ingmar Weber
A person's weight status can have profound implications on their life, ranging from mental health, to longevity, to financial income.
no code implementations • 21 Feb 2017 • Ferda Ofli, Yusuf Aytar, Ingmar Weber, Raggi al Hammouri, Antonio Torralba
Studying how food is perceived in relation to what it actually is typically involves a laboratory setup.
no code implementations • 24 Jul 2016 • Aarti Sathyanarayana, Shafiq Joty, Luis Fernandez-Luque, Ferda Ofli, Jaideep Srivastava, Ahmed Elmagarmid, Shahrad Taheri, Teresa Arora
In this paper we explore the use of deep learning to build sleep quality prediction models based on actigraphy data.
no code implementations • 17 Jul 2016 • Aarti Sathyanarayana, Ferda Ofli, Luis Fernandes-Luque, Jaideep Srivastava, Ahmed Elmagarmid, Teresa Arora, Shahrad Taheri
Human Activity Recognition (HAR) is a powerful tool for understanding human behaviour.
no code implementations • 21 Dec 2015 • Qifei Wang, Gregorij Kurillo, Ferda Ofli, Ruzena Bajcsy
In order to generate the kinematic parameter from the noisy data captured by Kinect, we propose a kinematic filtering algorithm based on Unscented Kalman Filter and the kinematic model of human skeleton.
no code implementations • 13 Dec 2015 • Qifei Wang, Gregorij Kurillo, Ferda Ofli, Ruzena Bajcsy
Microsoft Kinect camera and its skeletal tracking capabilities have been embraced by many researchers and commercial developers in various applications of real-time human movement analysis.
no code implementations • 13 Dec 2015 • Qifei Wang, Gregorij Kurillo, Ferda Ofli, Ruzena Bajcsy
In this paper, we propose a method for temporal segmentation of human repetitive actions based on frequency analysis of kinematic parameters, zero-velocity crossing detection, and adaptive k-means clustering.