Ioannis A. Sarafis

29 papers A 1B 3Journal 14Unranked 10

Year	Rank	Type	Title / Venue / Authors
2025	J	`jnl`	A System for Objectively Measuring Behavior and the Environment to Support Large-Scale Studies on Childhood Obesity. IEEE J. Biomed. Health Informatics Vasileios Papapanagiotou, Ioannis A. Sarafis, Leonidas Alagialoglou, Vasileios Gkolemis, Christos Diou, Anastasios Delopoulos
2025	J	`jnl`	A system for objectively measuring behavior and the environment to support large-scale studies on childhood obesity. CoRR Vasileios Papapanagiotou, Ioannis A. Sarafis, Leonidas Alagialoglou, Vasileios Gkolemis, Christos Diou, Anastasios Delopoulos
2025	—	`conf`	Weakly Supervised Food Image Segmentation using Vision Transformers and Segment Anything Model. SMAP Ioannis A. Sarafis, Alexandros Papadopoulos, Anastasios Delopoulos
2025	J	`jnl`	Weakly Supervised Food Image Segmentation using Vision Transformers and Segment Anything Model. CoRR Ioannis A. Sarafis, Alexandros Papadopoulos, Anastasios Delopoulos
2023	—	`conf`	Food Image Classification and Segmentation with Attention-Based Multiple Instance Learning. SMAP Valasia Vlachopoulou, Ioannis A. Sarafis, Alexandros Papadopoulos
2023	J	`jnl`	Food Image Classification and Segmentation with Attention-based Multiple Instance Learning. CoRR Valasia Vlachopoulou, Ioannis A. Sarafis, Alexandros Papadopoulos
2022	J	`jnl`	Intake Monitoring in Free-Living Conditions: Overview and Lessons we Have Learned. CoRR Christos Diou, Konstantinos Kyritsis, Vasileios Papapanagiotou, Ioannis A. Sarafis
2020	—	`conf`	BigO: A public health decision support system for measuring obesogenic behaviors of children in relation to their local environment. EMBC Christos Diou, Ioannis A. Sarafis, Vasileios Papapanagiotou, Leonidas Alagialoglou, Irini Lekka, Dimitrios Filos, Leandros Stefanopoulos, Vasileios Kilintzis, Christos Maramis, Youla Karavidopoulou, Nikolaos Maglaveras, Ioannis Ioakimidis, Evangelia Charmandari, Penio Kassari, Athanasia Tragomalou, Monica Mars, Thien-An Ngoc Nguyen, M. Tahar Kechadi, Shane O' Donnell, Gerardine Doyle, Sarah Browne, Grace O' Malley, Rachel Heimeier, Katerina Riviou, Evangelia Koukoula, Konstantinos Filis, Maria Hassapidou, Ioannis Pagkalos, Daniel Ferri, Isabel Pérez, Anastasios Delopoulos
2020	J	`jnl`	BigO: A public health decision support system for measuring obesogenic behaviors of children in relation to their local environment. CoRR Christos Diou, Ioannis A. Sarafis, Vassilis Papapanagiotou, Leonidas Alagialoglou, Irini Lekka, Dimitrios Filos, Leandros Stefanopoulos, Vasileios Kilintzis, Christos Maramis, Youla Karavidopoulou, Nicos Maglaveras, Ioannis Ioakimidis, Evangelia Charmandari, Penio Kassari, Athanasia Tragomalou, Monica Mars, Thien-An Ngoc Nguyen, M. Tahar Kechadi, Shane O' Donnell, Gerardine Doyle, Sarah Browne, Grace O' Malley, Rachel Heimeier, Katerina Riviou, Evangelia Koukoula, Konstantinos Filis, Maria Hassapidou, Ioannis Pagkalos, Daniel Ferri, Isabel Pérez, Anastasios Delopoulos
2020	—	`conf`	Collecting big behavioral data for measuring behavior against obesity. EMBC Vasileios Papapanagiotou, Ioannis A. Sarafis, Christos Diou, Ioannis Ioakimidis, Evangelia Charmandari, Anastasios Delopoulos
2020	J	`jnl`	Collecting big behavioral data for measuring behavior against obesity. CoRR Vasileios Papapanagiotou, Ioannis A. Sarafis, Christos Diou, Ioannis Ioakimidis, Evangelia Charmandari, Anastasios Delopoulos
2020	—	`conf`	Inferring the Spatial Distribution of Physical Activity in Children Population from Characteristics of the Environment. EMBC Ioannis A. Sarafis, Christos Diou, Vasileios Papapanagiotou, Leonidas Alagialoglou, Anastasios Delopoulos
2020	J	`jnl`	Inferring the Spatial Distribution of Physical Activity in Children Population from Characteristics of the Environment. CoRR Ioannis A. Sarafis, Christos Diou, Vasileios Papapanagiotou, Leonidas Alagialoglou, Anastasios Delopoulos
2019	J	`jnl`	A Methodology for Obtaining Objective Measurements of Population Obesogenic Behaviors in Relation to the Environment. CoRR Christos Diou, Ioannis A. Sarafis, Vasileios Papapanagiotou, Ioannis Ioakimidis, Anastasios Delopoulos
2019	—	`conf`	Assessment of In-Meal Eating Behaviour using Fuzzy SVM. EMBC Ioannis A. Sarafis, Christos Diou, Ioannis Ioakimidis, Anastasios Delopoulos
2019	—	`conf`	Behaviour Profiles for Evidence-based Policies Against Obesity. EMBC Ioannis A. Sarafis, Christos Diou, Anastasios Delopoulos
2018	—	`conf`	Personalised meal eating behaviour analysis via semi-supervised learning. EMBC Alexandros Papadopoulos, Konstantinos Kyritsis, Ioannis A. Sarafis, Anastasios Delopoulos
2018	J	`jnl`	Span error bound for weighted SVM with applications in hyperparameter selection. CoRR Ioannis A. Sarafis, Christos Diou, Anastasios Delopoulos
2017	—	`conf`	Data-driven assessments for sensor measurements of eating behavior. BHI Christos Diou, Ioannis A. Sarafis, Ioannis Ioakimidis, Anastasios Delopoulos
2016	J	`jnl`	Online training of concept detectors for image retrieval using streaming clickthrough data. Eng. Appl. Artif. Intell. Ioannis A. Sarafis, Christos Diou, Anastasios Delopoulos
2015	J	`jnl`	Building effective SVM concept detectors from clickthrough data for large-scale image retrieval. Int. J. Multim. Inf. Retr. Ioannis A. Sarafis, Christos Diou, Anastasios Delopoulos
2014	—	`conf`	Building Robust Concept Detectors from Clickthrough Data: A Study in the MSR-Bing Dataset. SMAP Ioannis A. Sarafis, Christos Diou, Anastasios Delopoulos
2014	J	`jnl`	CAROTID - A web-based platform for optimal personalized management of atherosclerotic patients. Comput. Methods Programs Biomed. Aimilia Gastounioti, Vasileios D. Kolias, Spyretta Golemati, Nikolaos N. Tsiaparas, Aikaterini I. Matsakou, John S. Stoitsis, Nikolaos P. E. Kadoglou, Christos Gkekas, John D. Kakisis, Christos D. Liapis, Petros Karakitsos, Ioannis A. Sarafis, Pantelis Angelidis, Konstantina S. Nikita
2014	B	`conf`	Weighted SVM from clickthrough data for image retrieval. ICIP Ioannis A. Sarafis, Christos Diou, Theodora Tsikrika, Anastasios Delopoulos
2007	J	`jnl`	NOCEA: A rule-based evolutionary algorithm for efficient and effective clustering of massive high-dimensional databases. Appl. Soft Comput. Ioannis A. Sarafis, Philip W. Trinder, Ali M. S. Zalzala
2005	—	`—`	Data mining clustering of high dimensional databases with evolutionary algorithms. Ioannis A. Sarafis
2003	A	`conf`	Mining Comprehensible Clustering Rules with an Evolutionary Algorithm. GECCO Ioannis A. Sarafis, Philip W. Trinder, Ali M. S. Zalzala
2003	B	`conf`	Towards effective subspace clustering with an evolutionary algorithm. IEEE Congress on Evolutionary Computation Ioannis A. Sarafis, Philip W. Trinder, Ali M. S. Zalzala
2002	B	`conf`	A genetic rule-based data clustering toolkit. IEEE Congress on Evolutionary Computation Ioannis A. Sarafis, Ali M. S. Zalzala, Philip W. Trinder