Search Results for author: Christos Kyrkou

Found 12 papers, 5 papers with code

Convolutional Channel-wise Competitive Learning for the Forward-Forward Algorithm

1 code implementation19 Dec 2023 Andreas Papachristodoulou, Christos Kyrkou, Stelios Timotheou, Theocharis Theocharides

The Forward-Forward (FF) Algorithm has been recently proposed to alleviate the issues of backpropagation (BP) commonly used to train deep neural networks.

Image Classification

DriveGuard: Robustification of Automated Driving Systems with Deep Spatio-Temporal Convolutional Autoencoder

no code implementations5 Nov 2021 Andreas Papachristodoulou, Christos Kyrkou, Theocharis Theocharides

We explore the space of different autoencoder architectures and evaluate them on a diverse dataset created with real and synthetic images demonstrating that by exploiting spatio-temporal information combined with multi-component loss we significantly increase robustness against adverse image effects reaching within 5-6% of that of the original model on clean images.

Autonomous Vehicles Image Segmentation +2

C^3Net: End-to-End deep learning for efficient real-time visual active camera control

no code implementations28 Jul 2021 Christos Kyrkou

The need for automated real-time visual systems in applications such as smart camera surveillance, smart environments, and drones necessitates the improvement of methods for visual active monitoring and control.

EmergencyNet: Efficient Aerial Image Classification for Drone-Based Emergency Monitoring Using Atrous Convolutional Feature Fusion

1 code implementation28 Apr 2021 Christos Kyrkou, Theocharis Theocharides

Deep learning-based algorithms can provide state-of-the-art accuracy for remote sensing technologies such as unmanned aerial vehicles (UAVs)/drones, potentially enhancing their remote sensing capabilities for many emergency response and disaster management applications.

Image Classification Management

Robust Machine Learning Systems: Challenges, Current Trends, Perspectives, and the Road Ahead

no code implementations4 Jan 2021 Muhammad Shafique, Mahum Naseer, Theocharis Theocharides, Christos Kyrkou, Onur Mutlu, Lois Orosa, Jungwook Choi

Machine Learning (ML) techniques have been rapidly adopted by smart Cyber-Physical Systems (CPS) and Internet-of-Things (IoT) due to their powerful decision-making capabilities.

BIG-bench Machine Learning Decision Making

Imitation-Based Active Camera Control with Deep Convolutional Neural Network

no code implementations11 Dec 2020 Christos Kyrkou

The increasing need for automated visual monitoring and control for applications such as smart camera surveillance, traffic monitoring, and intelligent environments, necessitates the improvement of methods for visual active monitoring.

Imitation Learning

YOLOpeds: Efficient Real-Time Single-Shot Pedestrian Detection for Smart Camera Applications

no code implementations27 Jul 2020 Christos Kyrkou

Deep Learning-based object detectors can enhance the capabilities of smart camera systems in a wide spectrum of machine vision applications including video surveillance, autonomous driving, robots and drones, smart factory, and health monitoring.

Autonomous Driving Pedestrian Detection

EdgeNet: Balancing Accuracy and Performance for Edge-based Convolutional Neural Network Object Detectors

no code implementations14 Nov 2019 George Plastiras, Christos Kyrkou, Theocharis Theocharides

Moreover, a use-case for pedestrian detection from Unmanned-Areal-Vehicle (UAV) is presented showing the impact that the proposed approach has on sensitivity, average processing time and power consumption when is implemented on different platforms.

object-detection Object Detection +1

Efficient ConvNet-based Object Detection for Unmanned Aerial Vehicles by Selective Tile Processing

1 code implementation14 Nov 2019 George Plastiras, Christos Kyrkou, Theocharis Theocharides

Many applications utilizing Unmanned Aerial Vehicles (UAVs) require the use of computer vision algorithms to analyze the information captured from their on-board camera.

object-detection Object Detection

Deep-Learning-Based Aerial Image Classification for Emergency Response Applications Using Unmanned Aerial Vehicles

1 code implementation20 Jun 2019 Christos Kyrkou, Theocharis Theocharides

Unmanned Aerial Vehicles (UAVs), equipped with camera sensors can facilitate enhanced situational awareness for many emergency response and disaster management applications since they are capable of operating in remote and difficult to access areas.

Aerial Scene Classification General Classification +3

DroNet: Efficient convolutional neural network detector for real-time UAV applications

2 code implementations18 Jul 2018 Christos Kyrkou, George Plastiras, Stylianos Venieris, Theocharis Theocharides, Christos-Savvas Bouganis

Through the analysis we propose a CNN architecture that is capable of detecting vehicles from aerial UAV images and can operate between 5-18 frames-per-second for a variety of platforms with an overall accuracy of ~95%.

Object Detection In Aerial Images One-Shot Object Detection +1

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