Nikolaos Bellas

76 papers A* 1A 18B 11C 3Misc 8Journal 21Unranked 13
YearRankTypeTitle / Venue / Authors
2026 J jnl
DPUConfig: Optimizing ML Inference in FPGAs Using Reinforcement Learning.
CoRR
Alexandros Patras, Spyros Lalis, Christos D. Antonopoulos, Nikolaos Bellas
2026 J jnl
Green or Fast? Learning to Balance Cold Starts and Idle Carbon in Serverless Computing.
CoRR
Bowen Sun, Christos D. Antonopoulos, Evgenia Smirni, Bin Ren, Nikolaos Bellas, Spyros Lalis
2025 J jnl
Black-box Adversarial Attacks on CNN-based SLAM Algorithms.
CoRR
Maria Rafaela Gkeka, Bowen Sun, Evgenia Smirni, Christos D. Antonopoulos, Spyros Lalis, Nikolaos Bellas
2025 A conf
TMModel: Modeling Texture Memory and Mobile GPU Performance to Accelerate DNN Computations.
ICS
Jiexiong Guan, Zhenqing Hu, Christos D. Antonopoulos, Nikolaos Bellas, Spyros Lalis, Evgenia Smirni, Gang Zhou, Gagan Agrawal, Bin Ren
2024 — conf
Accelerating Machine Learning Inference on GPUs with SYCL.
IWOCL
Ioanna-Maria Panagou, Nikolaos Bellas, Lorenzo Moneta, Sanjiban Sengupta
2023 B conf
A Minimal Testbed for Experimenting with Flexible Resource and Application Management in Heterogeneous Edge-Cloud Systems.
EWSN
Alexandros Patras, Foivos Pournaropoulos, Nikolaos Bellas, Christos D. Antonopoulos, Spyros Lalis, Maria Goutha, Anastassios Nanos
2023 C conf
Low Power Hardware Architecture for Sampling-free Bayesian Neural Networks inference.
ISCAS
Antonios-Kyrillos Chatzimichail, Charalampos Antoniadis, Nikolaos Bellas, Yehia Massoud
2023 J jnl
Reconfigurable System-on-Chip Architectures for Robust Visual SLAM on Humanoid Robots.
ACM Trans. Embed. Comput. Syst.
Maria Rafaela Gkeka, Alexandros Patras, Nikolaos Tavoularis, Stylianos Piperakis, Emmanouil Hourdakis, Panos E. Trahanias, Christos D. Antonopoulos, Spyros Lalis, Nikolaos Bellas
2022 C conf
Dynamic Management of CPU Resources Towards Energy Efficient and Profitable Datacentre Operation.
JSSPP
Christos Kalogirou, Christos D. Antonopoulos, Spyros Lalis, Nikolaos Bellas
2022 A conf
FPGA Accelerators for Robust Visual SLAM on Humanoid Robots.
FPGA
Maria Rafaela Gkeka, Alexandros Patras, Nikolaos Tavoularis, Stylianos Piperakis, Emmanouil Hourdakis, Panos E. Trahanias, Christos D. Antonopoulos, Spyros Lalis, Nikolaos Bellas
2022 B conf
FPGA Roofline modeling and its Application to Visual SLAM.
FPL
Ioanna-Maria Panagou, Maria Rafaela Gkeka, Alexandros Patras, Spyros Lalis, Christos D. Antonopoulos, Nikolaos Bellas
2022 J jnl
The Impact of CPU Voltage Margins on Power-Constrained Execution.
IEEE Trans. Sustain. Comput.
Panos K. Koutsovasilis, Christos D. Antonopoulos, Nikolaos Bellas, Spyros Lalis, George Papadimitriou, Athanasios Chatzidimitriou, Dimitris Gizopoulos
2021 B conf
Architectures for SLAM and Augmented Reality Computing.
FPL
Nikolaos Bellas, Christos D. Antonopoulos, Spyros Lalis, Maria Rafaela Gkeka, Alexandros Patras, Georgios Keramidas, Iakovos Stamoulis, Nikolaos Tavoularis, Stylianos Piperakis, Emmanouil Hourdakis, Panos E. Trahanias, Paul Zikas, George Papagiannakis, Ioanna Kartsonaki
2021 J jnl
Artificial neural networks for online error detection.
CoRR
Vassilis Vassiliadis, Konstantinos Parasyris, Christos D. Antonopoulos, Spyros Lalis, Nikolaos Bellas
2021 — conf
Exploring the potential of context-aware dynamic CPU undervolting.
CF
Emmanouil Maroudas, Spyros Lalis, Nikolaos Bellas, Christos D. Antonopoulos
2021 A conf
FPGA Architectures for Approximate Dense SLAM Computing.
DATE
Maria Rafaela Gkeka, Alexandros Patras, Christos D. Antonopoulos, Spyros Lalis, Nikolaos Bellas
2021 J jnl
MapVisual: A Visualization Tool for Memory Access Patterns.
CoRR
Pavlos Aimoniotis, Maria Rafaela Gkeka, Nikolaos Bellas
2020 J jnl
Dynamic Undervolting to Improve Energy Efficiency on Multicore X86 CPUs.
IEEE Trans. Parallel Distributed Syst.
Panos K. Koutsovasilis, Konstantinos Parasyris, Christos D. Antonopoulos, Nikolaos Bellas, Spyros Lalis
2020 B conf
Increasing the Profit of Cloud Providers through DRAM Operation at Reduced Margins.
CCGRID
Christos Kalogirou, Christos D. Antonopoulos, Nikolaos Bellas, Spyros Lalis, Lev Mukhanov, Georgios Karakonstantis
2019 — conf
Comparative Performance Analysis of Vulkan Implementations of Computational Applications.
IWOCL
Maria Rafaela Gkeka, Nikolaos Bellas, Christos D. Antonopoulos
2019 B conf
Exploiting CPU Voltage Margins to Increase the Profit of Cloud Infrastructure Providers.
CCGRID
Christos Kalogirou, Panos K. Koutsovasilis, Christos D. Antonopoulos, Nikolaos Bellas, Spyros Lalis, Srikumar Venugopal, Christian Pinto
2018 A conf
A Framework for Evaluating Software on Reduced Margins Hardware.
DSN
Konstantinos Parasyris, Panos K. Koutsovasilis, Vassilis Vassiliadis, Christos D. Antonopoulos, Nikolaos Bellas, Spyros Lalis
2018 A conf
An energy-efficient and error-resilient server ecosystem exceeding conservative scaling limits.
DATE
Georgios Karakonstantis, Konstantinos Tovletoglou, Lev Mukhanov, Hans Vandierendonck, Dimitrios S. Nikolopoulos, Peter Lawthers, Panos K. Koutsovasilis, Manolis Maroudas, Christos D. Antonopoulos, Christos Kalogirou, Nikolaos Bellas, Spyros Lalis, Srikumar Venugopal, Arnau Prat-Pérez, Alejandro Lampropulos, Marios Kleanthous, Andreas Diavastos, Zacharias Hadjilambrou, Panagiota Nikolaou, Yiannakis Sazeides, Pedro Trancoso, George Papadimitriou, Manolis Kaliorakis, Athanasios Chatzidimitriou, Dimitris Gizopoulos, Shidhartha Das
2018 — conf
Exploring the Effects of Code Optimizations on CPU Frequency Margins.
ISC Workshops
Konstantinos Parasyris, Nikolaos Bellas, Christos D. Antonopoulos, Spyros Lalis
2017 B conf
A programming model and runtime system for approximation-aware heterogeneous computing.
FPL
Ioannis Parnassos, Nikolaos Bellas, Nikolaos Katsaros, Nikolaos Patsiatzis, Athanasios Gkaras, Konstantinos Kanellis, Christos D. Antonopoulos, Michalis Spyrou, Manolis Maroudas
2017 — conf
Edge and Cloud Provider Cost Minimization by Exploiting Extended Voltage and Frequency Margins.
PARCO
Christos Kalogirou, Panos K. Koutsovasilis, Manolis Maroudas, Christos D. Antonopoulos, Spyros Lalis, Nikolaos Bellas
2017 J jnl
Significance-Aware Program Execution on Unreliable Hardware.
ACM Trans. Archit. Code Optim.
Konstantinos Parasyris, Vassilis Vassiliadis, Christos D. Antonopoulos, Spyros Lalis, Nikolaos Bellas
2016 J jnl
Exploiting Significance of Computations for Energy-Constrained Approximate Computing.
Int. J. Parallel Program.
Vassilis Vassiliadis, Charalampos Chalios, Konstantinos Parasyris, Christos D. Antonopoulos, Spyros Lalis, Nikolaos Bellas, Hans Vandierendonck, Dimitrios S. Nikolopoulos
2016 J jnl
OpenDwarfs: Characterization of Dwarf-Based Benchmarks on Fixed and Reconfigurable Architectures.
J. Signal Process. Syst.
Konstantinos Krommydas, Wu-chun Feng, Christos D. Antonopoulos, Nikolaos Bellas
2016 B conf
SoCLog: A real-time, automatically generated logging and profiling mechanism for FPGA-based Systems On Chip.
FPL
Ioannis Parnassos, Panagiotis Skrimponis, Georgios Zindros, Nikolaos Bellas
2016 A conf
Towards automatic significance analysis for approximate computing.
CGO
Vassilis Vassiliadis, Jan Riehme, Jens Deussen, Konstantinos Parasyris, Christos D. Antonopoulos, Nikolaos Bellas, Spyros Lalis, Uwe Naumann
2015 B conf
A programming model and runtime system for significance-aware energy-efficient computing.
PPoPP
Vassilis Vassiliadis, Konstantinos Parasyris, Charalambos Chalios, Christos D. Antonopoulos, Spyros Lalis, Nikolaos Bellas, Hans Vandierendonck, Dimitrios S. Nikolopoulos
2015 — conf
A significance-driven programming framework for energy-constrained approximate computing.
Conf. Computing Frontiers
Vassilis Vassiliadis, Charalampos Chalios, Konstantinos Parasyris, Christos D. Antonopoulos, Spyros Lalis, Nikolaos Bellas, Hans Vandierendonck, Dimitrios S. Nikolopoulos
2015 — conf
Energy Minimization on Heterogeneous Systems through Approximate Computing.
PARCO
Michalis Spyrou, Christos Kalogirou, Christos Konstantas, Panos K. Koutsovasilis, Manolis Maroudas, Christos D. Antonopoulos, Nikolaos Bellas
2015 J jnl
Enhancing Design Space Exploration by Extending CPU/GPU Specifications onto FPGAs.
ACM Trans. Embed. Comput. Syst.
Muhsen Owaida, Gabriel Falcão, João Andrade, Christos D. Antonopoulos, Nikolaos Bellas, Madhura Purnaprajna, David Novo, Georgios Karakonstantis, Andreas Burg, Paolo Ienne
2015 — conf
Exploring Automatically Generated Platforms in High Performance FPGAs.
PARCO
Panagiotis Skrimponis, Georgios Zindros, Ioannis Parnassos, Muhsen Owaida, Nikolaos Bellas, Paolo Ienne
2014 Misc conf
A Grammar Induction Method for Clustering of Operations in Complex FPGA Designs.
FCCM
Muhsen Owaida, Christos D. Antonopoulos, Nikolaos Bellas
2014 J jnl
A Programming Model and Runtime System for Significance-Aware Energy-Efficient Computing.
CoRR
Vassilis Vassiliadis, Konstantinos Parasyris, Charalambos Chalios, Christos D. Antonopoulos, Spyros Lalis, Nikolaos Bellas, Hans Vandierendonck, Dimitrios S. Nikolopoulos
2014 J jnl
Energy Efficiency through Significance-Based Computing.
Computer
Dimitrios S. Nikolopoulos, Hans Vandierendonck, Nikolaos Bellas, Christos D. Antonopoulos, Spyros Lalis, Georgios Karakonstantis, Andreas Burg, Uwe Naumann
2014 A conf
GemFI: A Fault Injection Tool for Studying the Behavior of Applications on Unreliable Substrates.
DSN
Konstantinos Parasyris, Georgios Tziantzoulis, Christos D. Antonopoulos, Nikolaos Bellas
2014 — conf
On the characterization of OpenCL dwarfs on fixed and reconfigurable platforms.
ASAP
Konstantinos Krommydas, Wu-chun Feng, Muhsen Owaida, Christos D. Antonopoulos, Nikolaos Bellas
2013 B conf
On the Portability of the OpenCL Dwarfs on Fixed and Reconfigurable Parallel Platforms.
ICPADS
Konstantinos Krommydas, Muhsen Owaida, Christos D. Antonopoulos, Nikolaos Bellas, Wu-chun Feng
2012 Misc conf
Shortening Design Time through Multiplatform Simulations with a Portable OpenCL Golden-model: The LDPC Decoder Case.
FCCM
Gabriel Falcão, Muhsen Owaida, David Novo, Madhura Purnaprajna, Nikolaos Bellas, Christos D. Antonopoulos, Georgios Karakonstantis, Andreas Burg, Paolo Ienne
2011 A conf
AVS video decoder on multicore systems: Optimizations and tradeoffs.
ICME
Konstantinos Krommydas, Christos D. Antonopoulos, Nikolaos Bellas, Wu-chun Feng
2011 — conf
GLOpenCL: OpenCL support on hardware- and software-managed cache multicores.
HiPEAC
Konstantis Daloukas, Christos D. Antonopoulos, Nikolaos Bellas
2011 Misc conf
Implementation and Performance Analysis of SEAL Encryption on FPGA, GPU and Multi-core Processors.
FCCM
Kostas Theoharoulis, Charalambos Antoniadis, Nikolaos Bellas, Christos D. Antonopoulos
2011 Misc conf
Implementation and Performance Comparison of the Motion Compensation Kernel of the AVS Video Decoder on FPGA, GPU and Multicore Processors.
FCCM
Muhsen Owaida, Nikolaos Bellas, Christos D. Antonopoulos, Konstantis Daloukas, Charalambos Antoniadis, Konstantinos Krommydas, G. Tsoumblekas
2011 J jnl
Implementation of the AVS video decoder on a heterogeneous dual-core SIMD processor.
IEEE Trans. Consumer Electron.
Maria G. Koziri, Dimitrios Zacharis, Ioannis Katsavounidis, Nikolaos Bellas
2011 A conf
Massively parallel programming models used as hardware description languages: The OpenCL case.
ICCAD
Muhsen Owaida, Nikolaos Bellas, Christos D. Antonopoulos, Konstantis Daloukas, Charalambos Antoniadis
2011 A* conf
Significance driven computation on next-generation unreliable platforms.
DAC
Georgios Karakonstantis, Nikolaos Bellas, Christos D. Antonopoulos, Georgios Tziantzioulis, Vaibhav Gupta, Kaushik Roy
2011 Misc conf
Synthesis of Platform Architectures from OpenCL Programs.
FCCM
Muhsen Owaida, Nikolaos Bellas, Konstantis Daloukas, Christos D. Antonopoulos
2010 A conf
Fisheye lens distortion correction on multicore and hardware accelerator platforms.
IPDPS
Konstantis Daloukas, Christos D. Antonopoulos, Nikolaos Bellas, Sek M. Chai
2010 A conf
Mapping and optimization of the AVS video decoder on a high performance chip multiprocessor.
ICME
Konstantinos Krommydas, George Tsoublekas, Christos D. Antonopoulos, Nikolaos Bellas
2010 J jnl
Special issue on embedded vision.
Comput. Vis. Image Underst.
Sek M. Chai, Branislav Kisacanin, Nikolaos Bellas
2009 A conf
Implementation of a wide-angle lens distortion correction algorithm on the cell broadband engine.
ICS
Konstantis Daloukas, Christos D. Antonopoulos, Nikolaos Bellas
2009 B conf
Proteus: An architectural synthesis tool based on the stream programming paradigm.
FPL
Nikolaos Bellas, Sek M. Chai, Malcolm Dwyer, Dan Linzmeier, Abelardo López-Lagunas
2009 Misc conf
Real-Time Fisheye Lens Distortion Correction Using Automatically Generated Streaming Accelerators.
FCCM
Nikolaos Bellas, Sek M. Chai, Malcolm Dwyer, Dan Linzmeier
2008 J jnl
Presynthesis Area Estimation of Reconfigurable Streaming Accelerators.
IEEE Trans. Comput. Aided Des. Integr. Circuits Syst.
Seda Ogrenci Memik, Nikolaos Bellas, Somsubhra Mondal
2007 A conf
An Architectural Framework for Automated Streaming Kernel Selection.
IPDPS
Nikolaos Bellas, Sek M. Chai, Malcolm Dwyer, Dan Linzmeier
2007 J jnl
Mapping streaming architectures on reconfigurable platforms.
SIGARCH Comput. Archit. News
Nikolaos Bellas, Sek M. Chai, Malcolm Dwyer, Dan Linzmeier
2006 A conf
An Image Processing Pipeline with Digital Compensation of Low Cost Optics for Mobile Telephony.
ICME
Nikolaos Bellas, Arnold Yanof
2006 A conf
FPGA implementation of a license plate recognition SoC using automatically generated streaming accelerators.
IPDPS
Nikolaos Bellas, Sek M. Chai, Malcolm Dwyer, Dan Linzmeier
2006 B conf
Pre-Synthesis Area Estimation of Reconfigurable Streaming Accelerators.
FPL
Somsubhra Mondal, Seda Ogrenci Memik, Nikolaos Bellas
2006 Misc conf
Pre-synthesis Queue Size Estimation of Streaming Data Flow Graphs.
FCCM
Somsubhra Mondal, Seda Ogrenci Memik, Nikolaos Bellas
2006 — conf
Reconfigurable Streaming Architectures for Embedded Smart Cameras.
CVPR Workshops
Sek M. Chai, Nikolaos Bellas, Greg Kujawa, Tom Ziomek, Linda Dawson, Tony Scaminaci, Malcolm Dwyer, Dan Linzmeier
2006 Misc conf
Template-Based Generation of Streaming Accelators from a High Level Presentation.
FCCM
Nikolaos Bellas, Sek M. Chai, Malcolm Dwyer, Dan Linzmeier
2005 — conf
A Low - Power VLSI Architecture for Intra Prediction in H.264.
Panhellenic Conference on Informatics
Georgios I. Stamoulis, Maria G. Koziri, Ioannis Katsavounidis, Nikolaos Bellas
2003 A conf
A programmable, high performance vector array unit used for real-time motion estimation.
ICME
Nikolaos Bellas, Malcolm Dwyer
2000 J jnl
Architectural and compiler techniques for energy reduction in high-performance microprocessors.
IEEE Trans. Very Large Scale Integr. Syst.
Nikolaos Bellas, Ibrahim N. Hajj, Constantine D. Polychronopoulos, George I. Stamoulis
2000 J jnl
Using dynamic cache management techniques to reduce energy in general purpose processors.
IEEE Trans. Very Large Scale Integr. Syst.
Nikolaos Bellas, Ibrahim N. Hajj, Constantine D. Polychronopoulos
1999 — conf
An analytical, transistor-level energy model for SRAM-based caches.
ISCAS (6)
Nikolaos Bellas, Ibrahim N. Hajj, Constantine D. Polychronopoulos
1999 — —
Architectural and Compiler Techniques for Energy Reduction in High-Performance Microprocessors
Nikolaos Bellas
1999 C conf
Energy and Performance Improvements in Microprocessor Design Using a Loop Cache.
ICCD
Nikolaos Bellas, Ibrahim N. Hajj, Constantine D. Polychronopoulos, George D. Stamoulis
1999 A conf
Using dynamic cache management techniques to reduce energy in a high-performance processor.
ISLPED
Nikolaos Bellas, Ibrahim N. Hajj, Constantine D. Polychronopoulos
1998 A conf
Architectural and compiler support for energy reduction in the memory hierarchy of high performance microprocessors.
ISLPED
Nikolaos Bellas, Ibrahim N. Hajj, George D. Stamoulis, Constantine D. Polychronopoulos
1996 J jnl
Algorithm-Based Error Detection Schemes for Iterative Solution of Partial Differential Equations.
IEEE Trans. Computers
Amber Roy-Chowdhury, Nikolaos Bellas, Prithviraj Banerjee