Search Results for author: Konstantinos Plataniotis

Found 11 papers, 4 papers with code

Test-Time Personalization with Meta Prompt for Gaze Estimation

1 code implementation3 Jan 2024 Huan Liu, Julia Qi, Zhenhao Li, Mohammad Hassanpour, Yang Wang, Konstantinos Plataniotis, Yuanhao Yu

Despite the recent remarkable achievement in gaze estimation, efficient and accurate personalization of gaze estimation without labels is a practical problem but rarely touched on in the literature.

Gaze Estimation

Federated Learning and Blockchain-enabled Fog-IoT Platform for Wearables in Predictive Healthcare

no code implementations11 Jan 2023 Marc Baucas, Petros Spachos, Konstantinos Plataniotis

However, due to the limitations of wearable IoT devices, challenges in data privacy, service integrity, and network structure adaptability arose.

Federated Learning Privacy Preserving

Spatio-Temporal Hybrid Fusion of CAE and SWIn Transformers for Lung Cancer Malignancy Prediction

no code implementations27 Oct 2022 Sadaf Khademi, Shahin Heidarian, Parnian Afshar, Farnoosh Naderkhani, Anastasia Oikonomou, Konstantinos Plataniotis, Arash Mohammadi

The paper proposes a novel hybrid discovery Radiomics framework that simultaneously integrates temporal and spatial features extracted from non-thin chest Computed Tomography (CT) slices to predict Lung Adenocarcinoma (LUAC) malignancy with minimum expert involvement.

Computed Tomography (CT) Specificity

Deep Learning and Machine Vision for Food Processing: A Survey

no code implementations30 Mar 2021 Lili Zhu, Petros Spachos, Erica Pensini, Konstantinos Plataniotis

The quality and safety of food is an important issue to the whole society, since it is at the basis of human health, social development and stability.

BIG-bench Machine Learning

BLE Beacons in the Smart City: Applications, Challenges, and Research Opportunities

no code implementations17 Feb 2021 Petros Spachos, Konstantinos Plataniotis

The Internet of Things helps to have every individual interconnected with their surroundings and to interact with them through smart devices.

Networking and Internet Architecture Social and Information Networks

TradeR: Practical Deep Hierarchical Reinforcement Learning for Trade Execution

no code implementations16 Feb 2021 Karush Suri, Xiao Qi Shi, Konstantinos Plataniotis, Yuri Lawryshyn

We present Trade Execution using Reinforcement Learning (TradeR) which aims to address two such practical challenges of catastrophy and surprise minimization by formulating trading as a real-world hierarchical RL problem.

Hierarchical Reinforcement Learning reinforcement-learning +1

Energy-based Surprise Minimization for Multi-Agent Value Factorization

1 code implementation16 Sep 2020 Karush Suri, Xiao Qi Shi, Konstantinos Plataniotis, Yuri Lawryshyn

(2) EMIX highlights a practical use of energy functions in MARL with theoretical guarantees and experiment validations of the energy operator.

Multi-agent Reinforcement Learning Q-Learning +2

Epidemic Exposure Notification with Smartwatch: A Proximity-Based Privacy-Preserving Approach

no code implementations8 Jul 2020 Pai Chet Ng, Petros Spachos, Stefano Gregori, Konstantinos Plataniotis

More precisely, a user is notified of their exposure based on their interactions, in terms of distance and time, with a patient.

Privacy Preserving

COVID-19 and Your Smartphone: BLE-based Smart Contact Tracing

2 code implementations28 May 2020 Pai Chet Ng, Petros Spachos, Konstantinos Plataniotis

SCT's contribution is two-fold: a) classification of the user's contact as high/low-risk using precise proximity sensing, and b) user anonymity using a privacy-preserving communications protocol.

BIG-bench Machine Learning Privacy Preserving

Memoryless Techniques and Wireless Technologies for Indoor Localization with the Internet of Things

1 code implementation4 May 2020 Sebastian Sadowski, Petros Spachos, Konstantinos Plataniotis

In recent years, the Internet of Things (IoT) has grown to include the tracking of devices through the use of Indoor Positioning Systems (IPS) and Location Based Services (LBS).

Indoor Localization

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