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Publications in journals:

Xiaotian Guo, Quan Jiang, Andy D. Pimentel, and Todor Stefanov,     "Model and System Robustness in Distributed CNN Inference at the Edge",      Integration, the VLSI Journal (VLSIJ), vol. 100, No. 102299, pp. 1-9, Jan 2025.      (available on-line at https://doi.org/10.1016/j.vlsi.2024.102299).
Xiaotian Guo, Quan Jiang, Yixian Shen, Andy D. Pimentel, and Todor Stefanov,     "EASTER: Learning to Split Transformers at the Edge Robustly",      IEEE Transactions on Computer-Aided Design of Integrated Circuits and Systems (TCAD), vol. 43, No. 11, pp. 3626-3637, Nov 2024.      (available on-line at https://doi.org/10.1109/TCAD.2024.3438995).
Xiaotian Guo, Andy Pimentel, and Todor Stefanov,     "Automated Exploration and Implementation of Distributed CNN Inference at the Edge",      IEEE Internet of Things Journal (IoT-J), vol. 10, Issue 7, pp. 5843-5858, April 2023.      (available on-line at https://doi.org/10.1109/JIOT.2023.3237572).
Svetlana Minakova and Todor Stefanov,     "Memory-Throughput Trade-off for CNN-based Applications at the Edge",      ACM Transactions on Design Automation of Electronic Systems (TODAES), vol. 28, Issue 1, Article 2, pp. 1-26, Jan 2023.      (available on-line at https://doi.org/10.1145/3527457).
Svetlana Minakova, Dolly Sapra, Todor Stefanov, and Andy Pimentel,     "Scenario Based Run-time Switching for Adaptive CNN-based Applications at the Edge",      ACM Transactions on Embedded Computing Systems (TECS), vol. 21, Issue 2, Article 14, March 2022.      (available on-line at https://doi.org/10.1145/3488718).
Paola Busia, Svetlana Minakova, Todor Stefanov, Luigi Raffo, and Paolo Meloni,     "ALOHA: A Unified Platform-Aware Evaluation Method for CNNs Execution on Heterogeneous Systems at the Edge",      IEEE Access, vol. 9, pp. 133289-133308, Sept 2021.      (available on-line at https://doi.org/10.1109/ACCESS.2021.3115243).
Jiali Teddy Zhai, Sobhan Niknam, and Todor Stefanov,     "Modeling, Analysis, and Hard Real-time Scheduling of Adaptive Streaming Applications",      IEEE Transactions on Computer-Aided Design of Integrated Circuits and Systems (TCAD), vol. 37, No. 11, pp. 2636-2648, Nov 2018.      (available on-line at https://doi.org/10.1109/TCAD.2018.2858365).
Sobhan Niknam, Peng Wang, and Todor Stefanov,     "Resource Optimization for Real-Time Streaming Applications using Task Replication",      IEEE Transactions on Computer-Aided Design of Integrated Circuits and Systems (TCAD), vol. 37, No. 11, pp. 2755-2767, Nov 2018.      (available on-line at https://doi.org/10.1109/TCAD.2018.2857039).
Di Liu, Nan Guan, Jelena Spasic, Gang Chen, Songran Liu, Todor Stefanov, Wang Yi,     "Scheduling Analysis of Imprecise Mixed-Criticality Real-Time Tasks",      IEEE Transactions on Computers (TC), vol. 67, No. 7, pp. 975-991, July 2018.      (available on-line at https://doi.org/10.1109/TC.2018.2789879).
Gang Chen, Nan Guan, Di Liu, Qinqiang He, Kai Huang, Todor Stefanov, Wang Yi,     "Utilization-Based Scheduling of Flexible Mixed-Criticality Real-Time Tasks",      IEEE Transactions on Computers (TC), vol. 67, No. 4, pp. 543-558, Apr 2018.      (available on-line at http://dx.doi.org/10.1109/TC.2017.2763133).
Emanuele Cannella and Todor Stefanov,     "Energy Efficient Semi-Partitioned Scheduling for Embedded Multiprocessor Streaming Systems",      International Journal on Design Automation for Embedded Systems (DAES), vol. 20, Issue 3, pp. 239-266, Sept 2016.
Jelena Spasic, Di Liu, Emanuele Cannella, and Todor Stefanov,     "On the Improved Hard Real-Time Scheduling of Cyclo-Static Dataflow",      ACM Transactions on Embedded Computing Systems (TECS), vol. 15, Issue 4, Article 68, Aug 2016.
Gang Chen, Biao Hu, Kai Huang, Alois Knoll, Kai Huang, Di Liu, Todor Stefanov, Feng Li,     "Reconfigurable Cache for Real-time MPSoCs: Scheduling and Implementation",      Internationa Journal on Microprocessors and Microsystems: Embedded Hardware Design (MICPRO), vol. 42, pp. 200-2014, May 2016.
Dmitry Nadezhkin, Hristo Nikolov, and Todor Stefanov,     "Automated Generation of Polyhedral Process Networks from Affine Nested-Loop Programs with Dynamic Loop Bounds",      ACM Transactions on Embedded Computing Systems (TECS), vol. 13, Issue 1s, Article 28, Nov 2013.
Onur Derin, Emanuele Cannella, Giuseppe Tuveri, Paolo Meloni, Todor Stefanov, Leandro Fiorin, Luigi Raffo, Mariagiovanna Sami,     "A System-level Approach to Adaptivity and Fault-tolerance in NoC-based MPSoCs: the MADNESS Project",      Internationa Journal on Microprocessors and Microsystems: Embedded Hardware Design (MICPRO), vol. 37, Issue 6-7, pp. 515-529, Aug-Oct 2013.
Mohamed A. Bamakhrama and Todor Stefanov,     "On the Hard-Real-Time Scheduling of Embedded Streaming Applications",      International Journal on Design Automation for Embedded Systems (DAES), vol. 17, Issue 2, pp. 221-249 , June 2013.
Teddy Zhai, Hristo Nikolov, and Todor Stefanov,     "Mapping of Streaming Applications considering Alternative Application Specifications",      ACM Transactions on Embedded Computing Systems (TECS), vol. 12, Issue 1s, Article 34, March 2013.
Jae Young Hur, Todor Stefanov, Stephan Wong, and Kees Goossens,     "Customization of On-Chip Network Interconnects and Experiments in FPGAs",      IET Computers & Digital Techniques Journal, vol. 6, Issue 1, pp. 59 - 68, Jan 2012.
Emanuele Cannella, Onur Derin, Paolo Meloni, Giuseppe Tuveri, and Todor Stefanov,     "Adaptivity Support for MPSoCs based on Process Migration in Polyhedral Process Networks",      International Journal of VLSI Design, vol. 2012, Article ID 987209, 17 pages, 2012. doi:10.1155/2012/987209.
Jae Young Hur, Stephan Wong, and Todor Stefanov,     "Design Trade-offs in Customized On-Chip Crossbar Schedulers",      Journal of Signal Processing Systems (JVLSI), vol. 58, No. 1, pp. 69-85, Jan 2010.
A. Gerstlauer, C. Haubelt, A.D. Pimentel, Todor Stefanov, D.D. Gajski, and J. Teich,     "Electronic System-Level Synthesis Methodologies",      IEEE Transactions on Computer-Aided Design of Integrated Circuits and Systems (TCAD), vol. 28, No. 10, pp. 1517-1530, Oct 2009.
Ozana Silvia Dragomir, Todor Stefanov, and Koen Bertels,     "Optimal Loop Unrolling and Shifting for Reconfigurable Architectures",      ACM Transactions on Reconfigurable Technology and Systems (TRETS), vol. 2, No. 4, pp. 1-24, Sept 2009.
Hristo Nikolov, Todor Stefanov, and Ed Deprettere,     "Automated Integration of Dedicated Hardwired IP Cores in Heterogeneous MPSoCs Designed with ESPAM",      EURASIP Journal on Embedded Systems, vol. 2008, Article ID 726096, 15 pages, 2008. doi:10.1155/2008/726096.
Hristo Nikolov, Todor Stefanov, and Ed Deprettere,     "Systematic and Automated Multi-processor System Design, Programming, and Implementation",      IEEE Transactions on Computer-Aided Design of Integrated Circuits and Systems (TCAD), vol. 27, No. 3, pp. 542-555, March 2008.      WINNER of the 2009 DONALD O. PEDERSON BEST PAPER AWARD!!!
Sven Verdoolaege, Hristo Nikolov, and Todor Stefanov,     "PN: a Tool for Improved Derivation of Process Networks",      EURASIP Journal on Embedded Systems, vol. 2007, Article ID 75947, 13 pages, 2007. doi:10.1155/2007/75947.
Todor Stefanov (with P. Manoilov, G.Kousmanov and A. Popov),     "Development of a Low Area Custom Microprocessor Core",      Automatica & Informatics Journal, 1999. No. 5, pp. 33-39

Books and book chapters:

Todor Stefanov, Andy Pimentel, and Hristo Nikolov,     "DAEDALUS: System-Level Design Methodology for Streaming Multiprocessor Embedded Systems on Chips",     In J. Teich and S. Ha (eds), "Handbook of Hardware/Software Codesign", Springer, 2017, doi:10.1007/978-94-017-7358-4_30-1.
Todor Stefanov, Ed Deprettere, Hristo Nikolov, Marin Marinov, and Angel Popov,     "Embedded Systems: components, modeling, design and case studies",     First Edition published by Publishing House of TU-Sofia, June 2012, ISBN: 978-954-438-975-8.
Lubomir Bogdanov, Hristo Nikolov, Todor Stefanov,     "Embedded Multi-Processor Systems-on-Chip: laboratory experiments and users manual",     First Edition published by Publishing House of TU-Sofia,April 2013, ISBN: 978-619-167-034-5.
Todor Stefanov     "Converting Weakly Dynamic Programs to Equivalent Process Network Specifications",     Ph.D. dissertation book, Leiden University, Leiden, The Netherlands, September 2004, ISBN: 90-9018629-8, ISBN: 978-90-901862-9-0.

Publications in conference proceedings:

Abolfazl Sajadi, Nusa Zidaric, Todor Stefanov, and Nele Mentens,     "A Systematic Comparison of Side-channel Countermeasures for RISC-V-based SoCs",     In Proc. "IEEE Nordic Circuits and Systems Conference (NorCAS'24)", pp. 1-7, Lund, Sweden, Oct 29-30, 2024.
Faezeh Saadatmand, Todor Stefanov, Ignacio Gonzalez-Alonso, Andy Pimentel, Benny Akesson, Marius Herget, and Martin Bor,     "Automated Derivation of Application Workload Models for Design Space Exploration of Industrial Distributed Cyber-Physical Systems",     In Proc. "7th IEEE International Conference on Industrial Cyber-Physical Systems (ICPS'24)", pp. 1-8, St. Louis, USA, May 12-15, 2024.     WINNER of the 2024 ICPS BEST PAPER AWARD!!!
Asmita Adhikary, Abraham Basurt, Lejla Batina, Ileana Buhan, Joan Daemen, Silvia Mella, Nele Mentens, Stjepan Picek,     Durga Lakshmi Ramachandran, Abolfazl Sajadi, Todor Stefanov, Dennis Vermoen, and Nusa Zidaric,     "PROACT - Physical Attack Resistance of Cryptographic Algorithms and Circuits with Reduced Time to Market",     In Proc. "20th International Symposium on Applied Reconfigurable Computing (ARC'24)", pp. 255-266, Aveiro, Portugal, Mar. 20-22, 2024.
Xiaotian Guo, Quan Jiang, Andy Pimentel, and Todor Stefanov,     "RobustDiCE: Robust and Distributed CNN Inference at the Edge",     In Proc. "29th Asia and South Pacific Design Automation Conference (ASP-DAC'24)", pp. 26-31, Incheon Songdo Convensia, South Korea, Jan. 22-25, 2024.
Jens Anders, Pablo Andreu, Bernd Becker, Steffen Becker, Riccardo Cantoro, Nikolaos Deligiannis, Nourhan Elhamawy,     Tobias Faller, Carles Hernandez, Nele Mentens, Mahnaz Namazi Rizi, Ilia Polian, Abolfazl Sajadi, Mathias Sauer,     Denis Schwachhofer, Matteo Sonza Reorda, Todor Stefanov, Ilya Tuzov, Stefan Wagner, and Nuša Zidaric     "A Survey of Recent Developments in Testability, Safety and Security of RISC-V Processors",     In Proc. "28th IEEE European Test Symposium (ETS'23)", pp., Venice, Italy, May 22-26, 2023.
Xabier Iturbe, Nassim Abderrahmane, Jaume Abella, Sergi Alcaide, Eric Beyne, Henri-Pierre Charles, Christelle Charpin,     Lars Chittka, Angélica Dávila, Manil Dev Gomony, Arne Erdmann, Carles Estrada, Ander Fernández, Anna Fontanelli, José Flich,     Alejandro Hernán Gloriani, Radu Grosu, Carles Hernández, Daniele Ielmini, Eric Isusquiza, David Jackson, Maha Kooli,     Nicola Lepri, Bernabé Linares-Barranco, Jean-Loup Lachese, Martxel Lasa, Eric Laurent, Menno Lindwer, Frank Linsenmaier,     Mikel Luján, Karel Masařı́k, Nele Mentens, Orlando Moreira, Luca Peres, Jean-Philippe Noel, Arash Pourtaherian, Christoph Posch,     Peter Priller, Zdenek Prikryl, Felix Resch, Oliver Rhodes, Todor Stefanov, Moritz Storring, Sander Stuijk,     Michele Taliercio, Marcel van de Burgwal, Geert van der Plas, Elisa Vianello, and Pavel Zaykovand,     "NimbleAI: Towards Neuromorphic Sensing-Processing 3D-integrated Chips",     In Proc. "26th Int. Conf. Design, Automation and Test in Europe (DATE'23)", pp., Antwerp, Belgium, Apr. 17-19, 2023.
Xiaotian Guo, Andy Pimentel, and Todor Stefanov,     "Hierarchical Design Space Exploration for Distributed CNN Inference at the Edge",     In Proc. "3rd International Workshop on IoT, Edge, and Mobile for Embedded Machine Learning (ITEM 2022)", pp. , Grenoble, France, Sept. 19, 2022.
Marius Herget, Faezeh Saadatmand, Martin Bor, Ignacio Alonso, Todor Stefanov, Benny Akesson, and Andy Pimentel,     "Design Space Exploration for Distributed Cyber-Physical Systems: State-of-the-art, Challenges, and Directions",     In Proc. "25th Euromicro Conference on Digital System Design (DSD'22)", pp. 632-640, Gran Canaria, Spain, Aug. 31 - Sept. 2, 2022.
Erqian Tang and Todor Stefanov,     "Low-memory and High-performance CNN Inference on Distributed Systems at the Edge",     In Proc. "14th IEEE/ACM International Conference on Utility and Cloud Computing Companion (UCC'21)", pp. 1-8, Leicester, United Kingdom, Dec. 06-09, 2021.
Todor Stefanov, Hristo Nikolov, Lubomir Bogdanov, and Angel Popov,     "DAEDALUS Framework for High-Level Synthesis: Past, Present and Future",     In Proc. "25th International Conference ELECTRONICS 2021", pp. 1-6, Palanga, Lithuania, June 14-16, 2021.
Erqian Tang, Svetlana Minakova, and Todor Stefanov,     "Energy-efficient and High-throughput CNN Inference on Embedded CPUs-GPUs MPSoCs",     In Proc. "21th International Conference on Embedded Computer Systems: Architectures, Modeling and Simulation (SAMOS'21)", pp. ,     Virtual Conference, July 04-08, 2021.
Todor Stefanov, Hristo Nikolov, Lubomir Bogdanov, and Angel Popov,     "DAEDALUS Framework for High-Level Synthesis: Past, Present and Future",     In Proc. "XXIX International Scientific Conference Electronics - ET2020", pp., Sozopol, Bulgaria, Sept. 16-18, 2020.     Invited Plenary Paper and Talk
Svetlana Minakova and Todor Stefanov,     "Buffer Sizes Reduction for Memory-efficient CNN Inference on Mobile and Embedded Devices",     In Proc. "23rd Euromicro Conference on Digital System Design (DSD'20)", pp. 133-140, Portoroz, Slovenia, Aug. 26-28, 2020.
Svetlana Minakova, Erqian Tang, and Todor Stefanov,     "Combining Task- and Data-level Parallelism for High-Throughput CNN Inference on Embedded CPUs-GPUs MPSoCs",     In Proc. "20th International Conference on Embedded Computer Systems: Architectures, Modeling and Simulation (SAMOS'20)", pp. 18-35,     Pythagoreio, Samos Island, Greece, July 05-09, 2020.
Sobhan Niknam, Peng Wang, and Todor Stefanov,     "On the Implementation and Execution of Adaptive Streaming Applications Modeled as MADF",     In Proc. "23rd International Workshop on Software and Compilers for Embedded Systems (SCOPES'20)", pp., Sankt Goar, Germany, May 25-26, 2020.
Hongchang Shan, Yu Liu, and Todor Stefanov,     "Ensemble of Convolutional Neural Networks for P300 Speller in Brain Computer Interface",     In Proc. "28th International Conference on Artificial Neural Networks (ICANN'19)", pp. 376-394, Munich, Germany, Sept 17-19, 2019.
Peng Wang, Sobhan Niknam, Sheng Ma, Zhiying Wang, and Todor Stefanov,     "EVC-based Power Gating Approach to Achieve Low-power and High Performance NoC",     In Proc. "22nd Euromicro Conference on Digital System Design (DSD'19)", pp. 116-123, Kallithea, Chalkidiki, Greece, Aug. 28-30, 2019.
Erqian Tang, Sobhan Niknam, and Todor Stefanov,     "Enabling Cognitive Autonomy on Small Drones by Efficient On-board Embedded Computing: An ORB-SLAM2 Case Study",     In Proc. "22nd Euromicro Conference on Digital System Design (DSD'19)", pp. 108-115, Kallithea, Chalkidiki, Greece, Aug. 28-30, 2019.
Peng Wang, Sobhan Niknam, Sheng Ma, Zhiying Wang, and Todor Stefanov,     "A Dynamic Bypass Approach to Realize Power Efficient Network-on-Chip",     In Proc. "21st IEEE International Conferences on High Performance Computing and Communications (HPCC'19)", pp. 2019-2026, Zhangjiajie, China, Aug. 10-12, 2019.
Hongchang Shan and Todor Stefanov,     "SLES: A Novel CNN-based Method for Sensor Reduction in P300 Speller",     In Proc. "41st Annual International Conference of the IEEE Engineering in Medicine and Biology Society (EMBC'19)", pp. 3026-3031, Berlin, Germany, July 23-27, 2019.
Hongchang Shan, Yu Liu, and Todor Stefanov,     "An Empirical Study on Sensor-aware Design of Convolutional Neural Networks for P300 Speller in Brain Computer Interface",     In Proc. "12th IEEE International Conference on Human System Interaction (IEEE HSI'19)", pp. 5-11, Richmond, Virginia, USA, June 25-27, 2019.
Peng Wang, Sobhan Niknam, Sheng Ma, Zhiying Wang, and Todor Stefanov,     "Surf-Bless: A Confined-interference Routing for Energy-Efficient Communication in NoCs",     In Proc. "56th ACM/IEEE Int. Design Automation Conference (DAC'19)", pp., Las Vegas, NV, USA, June 2-6, 2019.     WINNER of 2019 HiPEAC PAPER AWARD!!!
Paolo Meloni, Daniela Loi, Paola Busia, Gianfranco Deriu, Andy D. Pimentel, Dolly Sapra, Todor Stefanov,     Svetlana Minakova, Francesco Conti, Luca Benini, Maura Pintor, Battista Biggio, Bernhard Moser,     Natalia Shepeleva, Nikos Fragoulis, Ilias Theodorakopoulos, Michael Masin, and Francesca Palumbo,     "Optimization and deployment of CNNs at the edge: the ALOHA experience ",     In Proc. ACM International Conference on Computing Frontiers 2019 (CF'19)", pp. 326-332, Alghero, Italy, Apr. 30 - May 2, 2019.
Sobhan Niknam, Peng Wang, and Todor Stefanov,     "Hard Real-Time Scheduling of Streaming Applications Modeled as Cyclic CSDF Graphs",     In Proc. "22nd Int. Conf. Design, Automation and Test in Europe (DATE'19)", pp. 1528-1533, Florence, Italy, Mar. 25-29, 2019.
Paolo Meloni, Daniela Loi, Gianfranco Deriu, Andy D. Pimentel, Dolly Sapra, Bernhard Moser, Natalia Shepeleva,     Francesco Conti, Luca Benini, Francesca Palumbo, Michael Masin, Oscar Ripolles, David Solans, Maura Pintor, Battista Biggio, Todor Stefanov,     Svetlana Minakova, Nikos Fragoulis, and Ilias Theodorakopoulos,     "Architecture-aware design and implementation of CNN algorithms for embedded inference: the ALOHA project",     In Proc. "30th International Conference on Microelectronics (ICM'18)", pp. 52-55, Sousse, Tunisia, Dec. 16-19, 2018.
Paolo Meloni, Daniela Loi, Gianfranco Deriu, Andy D. Pimentel, Dolly Sapra, Bernhard Moser, Natalia Shepeleva,     Francesco Conti, Luca Benini, Francesca Palumbo, Michael Masin, Oscar Ripolles, David Solans, Maura Pintor, Battista Biggio, Todor Stefanov,     Svetlana Minakova, Nikos Fragoulis, and Ilias Theodorakopoulos,     "ALOHA: an architectural-aware framework for deep learning at the edge",     In Proc. "INTelligent Embedded Systems Architectures and Applications (INTESA'18)", pp. , Turin, Italy, Oct. 4, 2018.
Christian Fuchs, Nadia Murillo, Aske Plaat, Erik van der Kouwe, and Todor Stefanov,     "Fault-Tolerant Nanosatellite Computing on a Budget",     In Proc. "International Conference on Radiation Effects on Components and Systems (RADECS'18)", pp. , Gothenburg, Sweden, Sept. 16-21, 2018.
Christian Fuchs, Nadia Murillo, Aske Plaat, Erik van der Kouwe, and Todor Stefanov,     "Dynamic Fault Tolerance Through Resource Pooling",     In Proc. "12th NASA/ESA Conference on Adaptive Hardware and Systems (AHS'18)", pp. 9-16, Edinburgh, UK, Aug. 6-9, 2018.
Hongchang Shan, Yu Liu, and Todor Stefanov,     "A Simple Convolutional Neural Network for Accurate P300 Detection and Character Spelling in Brain Computer Interface",     In Proc. "27th International Joint Conference on Artificial Intelligence (IJCAI-18)", pp. 1604-1610, Stockholm, Sweeden, July 13-19, 2018.
Christian Fuchs, Todor Stefanov, Nadia Murillo, and Aske Plaat,     "Bringing Fault-Tolerant GigaHertz-Computing to Space: A Multi-Stage Software-Side Fault-Tolerance Approach for Miniaturized Spacecraft",     In Proc. "26th IEEE Asian Test Symposium (ATS'17)", pp. 96-103, Taipei, Taiwan, Nov. 27-30, 2017.
Peng Wang, Sobhan Niknam, Zhiying Wang, and Todor Stefanov,     "A Novel Approach to Reduce Packet Latency Increase caused by Power Gating in Network-on-Chip",     In Proc. "11th ACM/IEEE International Symposium on Networks-on-Chip (NOCS'17)", pp. , Seoul, South Korea, Oct. 19-20, 2017.
Sobhan Niknam and Todor Stefanov,     "Energy-Efficient Scheduling of Throughput-Constrained Streaming Applications by Periodic Mode Switching",     In Proc. "17th IEEE Int. Conference on Embedded Computer Systems: Architectures, MOdeling, and Simulation (SAMOS'17)", pp. , Samos, Greece, July 17-20, 2017.
Di Liu, Jelena Spasic, Gang Chen, Nan Guan, Songran Liu, Todor Stefanov, and Wang Yi,     "EDF-VD Scheduling of Mixed-Criticality Systems with Degraded Quality Guarantees",     In Proc. "IEEE Int. Real-Time Systems Symposium (RTSS'16)", pp. 35-46, Porto, Portugal, Nov. 29 - Dec. 02, 2016.
Jelena Spasic, Di Liu, and Todor Stefanov,     "Energy-Efficient Mapping of Real-Time Applications on Heterogeneous MPSoCs using Task Replication",     In Proc. "IEEE/ACM/IFIP Int. Conf. on HW/SW Codesign and System Synthesis (CODES+ISSS'16)", pp. , Pittsburgh, PA, USA, Oct. 2-7, 2016.
Di Liu, Jelena Spasic, Peng Wang, and Todor Stefanov,     "Energy-Efficient Scheduling of Real-Time Tasks on Heterogeneous Multicores Using Task Splitting",     In Proc. "22nd IEEE International Conference on Embedded and Real-Time Computing Systems and Applications (RTCSA'16)", pp. 149-158, Daegu, South Korea, Aug. 17-19, 2016.
Tsvetan Shoshkov, Todor Stefanov, and Bart Kienhuis,     "Parameterized System Level Design: Real-Time X-Ray Image Processing Case Study",     In Proc. "27th Annual IEEE International Conference on Application-specific Systems, Architectures and Processors (ASAP'16)", pp. 196-201, London, England, July 6-8, 2016.
Jelena Spasic, Di Liu, and Todor Stefanov,     "Exploiting Resource-constrained Parallelism in Hard Real-Time Streaming Applications",     In Proc. "19th Int. Conf. Design, Automation and Test in Europe (DATE'16)", pp. 954-959, Dresden, Germany, Mar. 14-18, 2016.
Di Liu, Jelena Spasic, Gang Chen, and Todor Stefanov,     "Energy-Efficient Mapping of Real-Time Streaming Applications on Cluster Heterogeneous MPSoCs",     In Proc. "13th Int. IEEE Symposium on Embedded Systems for Real-Time Multimedia (ESTIMedia'15)", pp. 1-10, Amsterdam, The Netherlands, Oct. 8-9, 2015.
Jelena Spasic, Di Liu, Emanuele Cannella, and Todor Stefanov,     "Improved Hard Real-Time Scheduling of CSDF-modeled Streaming Applications",     In Proc. "IEEE/ACM/IFIP Int. Conf. on HW/SW Codesign and System Synthesis (CODES+ISSS'15)", pp. 65-74, Amsterdam, The Netherlands, Oct. 4-9, 2015.     NOMINATED for the 2015 CODES+ISSS BEST PAPER AWARD!
Gang Chen, Biao Hu, Kai Huang, Alois Knoll, Di Liu, and Todor Stefanov,     "Automatic Cache Partitioning and Time-triggered Scheduling for Real-time MPSoCs",     In Proc. "2014 International Conference on Reconfigurable Computing and FPGAs (ReConFig 2014)", pp., Cancun, Mexico, Dec. 8-10, 2014.
Di Liu, Jelena Spasic, Jiali Teddy Zhai, Gang Chen, and Todor Stefanov,     "Resource Optimization for CSDF-modeled Streaming Applications with Latency Constraints",     In Proc. "17th Int. Conf. Design, Automation and Test in Europe (DATE'14)", pp., Dresden, Germany, Mar. 24-28, 2014.
Emanuele Cannella, Mohamed Bamakhrama, and Todor Stefanov,     "System-level Scheduling of Real-time Streaming Applications using a Semi-partitioned Approach",     In Proc. "17th Int. Conf. Design, Automation and Test in Europe (DATE'14)", pp., Dresden, Germany, Mar. 24-28, 2014.
Mohamed A. Bamakhrama, Jiali Teddy Zhai, and Todor Stefanov,     "An Optimal Design Flow for Hard Real-Time Streaming Systems",     In Proc. "7th Junior Researcher Workshop on Real-Time Computing (JRWRTC'13)", Sophia Antipolis, France, Oct. 16-18, 2013.
Jelena Spasic and Todor Stefanov,     "An Accurate Energy Model for Streaming Applications Mapped on MPSoC Platforms",     In Proc. "13th IEEE Int. Conference on Embedded Computer Systems: Architectures, MOdeling, and Simulation (IC-SAMOS'13)", pp. 205-212, Samos, Greece, July 15-18, 2013.
Teddy Zhai, Mohamed Bamakhrama, and Todor Stefanov,     "Exploiting Just-enough Parallelism when Mapping Streaming Applications in Hard Real-time Systems",     In Proc. "50th ACM/IEEE Int. Design Automation Conference (DAC'13)", pp., Austin, TX, USA, June 2-6, 2013.     WINNER of 2013 HiPEAC PAPER AWARD!!!
Sven Verdoolaege, Hristo Nikolov, and Todor Stefanov,     "On Demand Parametric Array Dataflow Analysis",     In Proc. "3rd International Workshop on Polyhedral Compilation Techniques (IMPACT'13)", Berlin, Germany, Jan. 21, 2013.
Teddy Zhai, Hristo Nikolov, and Todor Stefanov,     "Mapping Streaming Applications considering Alternative Application Specifications (Extended Abstract)",     In Proc. "10th Int. IEEE Symposium on Embedded Systems for Real-Time Multimedia (ESTIMedia'12)", Tampere, Finland, Oct. 11-12, 2012.
Mohamed A. Bamakhrama, and Todor Stefanov,     "Managing Latency in Embedded Streaming Applications under Hard-Real-Time Scheduling",     In Proc. "10th IEEE/ACM/IFIP Int. Conf. on HW/SW Codesign and System Synthesis (CODES+ISSS'12)", pp. 83-92, Tampere, Finland, Oct. 7-12, 2012.
Paolo Meloni, Giuseppe Tuveri, Luigi Raffo, Emanuele Cannella, Todor Stefanov, Onur Derin, Leandro Fiorin and Mariagiovanna Sami,     "System Adaptivity and Fault-tolerance in NoC-based MPSoCs: the MADNESS Project Approach",     In Proc. "15th Euromicro Conf. on Digital System Design (DSD'12)", pp. 517-524, Izmir, Turkey, Sept. 5-8, 2012.
Mohamed A. Bamakhrama, Teddy Zhai, Hristo Nikolov, and Todor Stefanov,     "A Methodology for Automated Design of Hard-Real-Time Embedded Streaming Systems",     In Proc. "15th Int. Conf. Design, Automation and Test in Europe (DATE'12)", pp. 941-946, Dresden, Germany, Mar. 12-16, 2012.
Emanuele Cannella, Onur Derin, and Todor Stefanov,     "Middleware Approaches for Adaptivity of Kahn Process Networks on Networks-on-Chip",     In Proc. "Int. Conf. on Design and Architectures for Signal and Image Processing (DASIP'11)", pp. 1-8, Tampere, Finland, Nov. 2-4, 2011.
Dmitry Nadezhkin and Todor Stefanov     "Automatic Derivation of Polyhedral Process Networks from While-Loop Affine Programs",     In Proc. "9th Int. IEEE/ACM Symposium on Embedded Systems for Real-Time Multimedia (ESTIMedia'11)", pp. 102-111, Taipei, Taiwan, Oct. 13-14, 2011.
Mohamed A. Bamakhrama and Todor Stefanov,     "Hard-Real-Time Scheduling of Data-Dependent Tasks in Embedded Streaming Applications",     In Proc. "11th International Conference on Embedded Software (EMSOFT'11)", pp. 195-204, Taipei, Taiwan, Oct. 9-14, 2011.     NOMINATED for the 2011 EMSOFT BEST PAPER AWARD!
Razvan Nane, Sven Van Haastregt, Todor Stefanov, Bart Kienhuis, Vlad Mihai Sima and Koen Bertels,     "IP-XACT Extensions for Reconfigurable Computing",     In Proc. "22nd IEEE Int. Conf. on Application-specific Systems, Architectures and Processors (ASAP'11)", pp. 215-218, Santa Monica, California, USA, Sep. 11-14, 2011.
Teddy Zhai, Hristo Nikolov, and Todor Stefanov,     "Modeling Adaptive Streaming Applications with Parameterized Polyhedral Process Networks",     In Proc. "48th ACM/IEEE Int. Design Automation Conference (DAC'11)", pp. 116-121, San Diego, CA, USA, June 5-9, 2011.     WINNER of 2011 HiPEAC PAPER AWARD!!!
Dmitry Nadezhkin, Hristo Nikolov, and Todor Stefanov     "Translating Affine Nested-Loop Programs with Dynamic Loop Bounds into Polyhedral Process Networks",     In Proc. "8th Int. IEEE Workshop on Embedded Systems for Real-Time Multimedia (ESTIMedia'10)", pp. 21-30, Scottsdale, AZ, USA, Oct. 28-29, 2010.     WINNER of the 2010 ESTIMedia BEST PAPER AWARD!!!
Sjoerd Meijer, Hristo Nikolov, and Todor Stefanov,     "Combining Process Splitting and Merging Transformations for Polyhedral Process Networks",     In Proc. "8th Int. IEEE Workshop on Embedded Systems for Real-Time Multimedia (ESTIMedia'10)", pp. 97-106, Scottsdale, AZ, USA, Oct. 28-29, 2010.
Dmitry Nadezhkin and Todor Stefanov     "Identifying Communication Models in Process Networks derived from Weakly Dynamic Programs",     In Proc. "10th Int. Conference on Embedded Computer Systems: Architectures, MOdeling, and Simulation (SAMOS'10)", pp. 372-379, Samos, Greece, July 19-22, 2010.
Sjoerd Meijer, Hristo Nikolov, and Todor Stefanov,     "Throughput Modeling to Evaluate Process Merging Transformations in Polyhedral Process Networks",     In Proc. "13th Int. Conf. Design, Automation and Test in Europe (DATE'10)", pp. 747-752, Dresden, Germany, Mar. 8-12, 2010.
Hristo Nikolov, Todor Stefanov, and Ed Deprettere,     "Run-time Reconfiguration of Polyhedral Process Networks Implementations",     In Proc. "17th Int. Conference on Advanced Computing and Communications (ADCOM'09)", pp. , Bangalore, India, Dec. 14-17, 2009.
Zubair Nawaz, Todor Stefanov, and Koen Bertels,     "Efficient Hardware Generation for Dynamic Programming Problems",     In Proc. "International Conference on Field-Programmable Technology (FPT'09)", pp., Sydney, Australia, Dec. 9-11, 2009.
Sjoerd Meijer, Hristo Nikolov, and Todor Stefanov,     "On Compile-time Evaluation of Process Partitioning Transformations for Kahn Process Networks",     In Proc. "7th IEEE/ACM/IFIP Int. Conf. on HW/SW Codesign and System Synthesis (CODES-ISSS'09)", pp. 31-40, Grenoble, France, Oct. 11-16, 2009.
Dmitry Nadezhkin, Sjoerd Meijer, Todor Stefanov, and Ed Deprettere,     "Realizing FIFO Communication when Mapping Kahn Process Networks onto Cell",     In Proc. "9th Int. Symposium on Embedded Computer Systems: Architectures, MOdeling, and Simulation (SAMOS'09)", LNCS 5657, pp. 308-317, Samos, Greece, July 20-23, 2009.
Zubair Nawaz, Thomas Marconi, Koen Bertels, and Todor Stefanov,     "Flexible Pipelining Design for Recursive Variable Expansion",     In Proc. "23rd IEEE International Symposium on Parallel and Distributed Processing (IPDPS'09)", pp. 1-8, Rome, Italy, May. 23-29, 2009.
Ozana Silvia Dragomir, Todor Stefanov, and Koen Bertels,     "Loop Unrolling and Shifting for Reconfigurable Architectures",     In Proc. "18th Int. Conference on Field Programmable Logic and Applications (FPL'08)", pp. 167-172, Heidelberg, Germany, Sep. 8-10, 2008.
Hristo Nikolov, Mark Thompson, Todor Stefanov, Andy Pimentel, Simon Polstra, Raj Bose, Claudiu Zissulescu, and Ed Deprettere,     "Daedalus: Toward Composable Multimedia MP-SoC Design",     Invited paper In Proc. "45th ACM/IEEE Int. Design Automation Conference (DAC'08)", pp. 574-579, Anaheim, USA, June 8-13, 2008.
Andy Pimentel, Todor Stefanov, Hristo Nikolov, Mark Thompson, Simon Polstra, and Ed Deprettere,     "Tool Integration and Interoperability Challenges of a System-level Design Flow: a Case Study",     Invited paper In Proc. "8th Int. Symposium on Systems, Architectures, MOdeling, and Simulation (SAMOS'08)", LNCS 5114, pp. 167-176, Samos, Greece, July 21-24, 2008.
Kamana Sigdel, Mark Thompson, Andy Pimentel, Todor Stefanov, and Koen Bertels,     "System Level Design Space Exploration of Dynamic Reconfigurable Architectures",     In Proc. "8th Int. Symposium on Systems, Architectures, MOdeling, and Simulation (SAMOS'08)", LNCS 5114, pp. 279-288, Samos, Greece, July 21-24, 2008.
Hristo Nikolov, Todor Stefanov, and Ed Deprettere,     "Parameterized Stream-Based Functions Model of Computation",     In Proc. "6th Int. Workshop on Optimizations for DSP and Embedded Systems (ODES-6)", pp., Boston, USA, April 6, 2008.
Mark Thompson, Hristo Nikolov, Todor Stefanov, Andy Pimentel, Cagkan Erbas, Simon Polstra, and Ed Deprettere,     "A Framework for Rapid System-level Exploration, Synthesis, and Programming of Multimedia MP-SoCs",     In Proc. "5th IEEE/ACM/IFIP Int. Conf. on HW/SW Codesign and System Synthesis (CODES-ISSS'07)", pp. 9-14, Salzburg, Austria, Oct. 1-5, 2007.
Hristo Nikolov, Todor Stefanov, and Ed Deprettere,     "Efficient External Memory Interface for Multi-processor Platforms Realized on FPGA Chips",     In Proc. "17th Int. Conference on Field Programmable Logic and Applications (FPL'07)", pp. 580-584, Amsterdam, The Netherlands, Aug. 27-29, 2007.
Jae Young Hur, Todor Stefanov, Stephan Wong, and Stamatis Vassiliadis,     "Customizing Reconfigurable On-Chip Crossbar Scheduler",     In Proc. "18th IEEE Int. Conf. on Application-specific Systems, Architectures and Processors (ASAP'07)", pp. 210-215, Montreal, Quebec, Canada, July 9-11, 2007.
Kai Huang, Lothar Thiele, Todor Stefanov, and Ed Deprettere,     "Performance Analysis of Multimedia Applications using Correlated Streams",     In Proc. "10th Int. Conf. Design, Automation and Test in Europe (DATE'07)", pp. 912-917, Acropolis, Nice, France, Apr. 16-20, 2007.
Jae Young Hur, Todor Stefanov, Stephan Wong, and Stamatis Vassiliadis,     "Systematic Customization of On-Chip Crossbar Interconnects",     In Proc. "International Workshop on Applied Reconfigurable Computing (ARC'07)", pp. 61-72, Mangaratiba, Rio de Janeiro, Brazil, Mar. 27-29, 2007,     In LNCS 4419, see the publisher version.
Hristo Nikolov, Todor Stefanov, and Ed Deprettere,     "Multi-processor System Design with ESPAM",     In Proc. "4th IEEE/ACM/IFIP Int. Conf. on HW/SW Codesign and System Synthesis (CODES-ISSS'06)", pp. 211-216, Seoul, Korea, Oct. 22-25, 2006.
Ed Deprettere, Todor Stefanov, Shuvra Bhattacharyya, and Mainak Sen,     "Affine Nested Loop Programs and their Binary Parameterized Dataflow Graph Counterparts",     In Proc. "17th IEEE Int. Conf. on Application-specific Systems, Architectures and Processors (ASAP'06)", pp. 186-190, Steamboat Springs, Colorado, USA, Sep. 11-13, 2006.
Hristo Nikolov, Todor Stefanov, and Ed Deprettere,     "Efficient Automated Synthesis, Programming, and Implementation of Multi-processor Platforms on FPGA Chips",     In Proc. "16th Int. Conference on Field Programmable Logic and Applications (FPL'06)", pp. 323-328, Madrid, Spain, Aug. 28-30, 2006.
Sven Verdoolaege, Hristo Nikolov, and Todor Stefanov,     "Improved Derivation of Process Networks",     In Proc. "4th Int. Workshop on Optimizations for DSP and Embedded Systems (ODES'06)", pp., New York, NY, USA, Mar. 26, 2006.
Hristo Nikolov, Todor Stefanov, and Ed Deprettere,     "Modeling and FPGA Implementation of Applications using Parameterized Process Networks with Non-Static Parameters",     In Proc. "13th IEEE Symposium on Field-Programmable Custom Computing Machines (FCCM'05)", pp. 255-263, Napa, California, USA, Apr. 18-20, 2005.
Todor Stefanov, Claudiu Zissulescu, Alexandru Turjan, Bart Kienhuis, and Ed Deprettere,     "System Design using Kahn Process Networks: The Compaan/Laura Approach",     In Proc. "7th Int. Conf. Design, Automation and Test in Europe (DATE'04)", pp. 340-345, Paris, France, Feb. 16-20, 2004.
Todor Stefanov and Ed Deprettere,     "Deriving Process Networks from Weakly Dynamic Applications in System-Level Design",     In Proc. "IEEE/ACM/IFIP Int. Conf. on HW/SW Codesign and System Synthesis (CODES-ISSS'03)", pp. 90-96, Newport Beach, California, USA, Oct. 1-3, 2003.
Ed Deprettere, Todor Stefanov, and Bart Kienhuis,     "Embedded Systems Design Methodology at Leiden Embedded Research Center",     In Proc."17th Int. Conf. on Systems for Automation of Engineering and Research (SAER'03)", pp. 18-26, St. Konstantin resort, Varna, Bulgaria, Sep. 19-21, 2003.
Claudiu Zissulescu, Todor Stefanov, Bart Kienhuis, and Ed Deprettere,     "LAURA: Leiden Architecture Research and Exploration Tool",     In Proc. "13th Int. Conference on Field Programmable Logic and Applications (FPL'03)", pp. 911-920, Lisbon, Portugal, Sep. 1-3, 2003,     In LNCS 2778, see the publisher version.
Todor Stefanov, Bart Kienhuis, and Ed Deprettere,     "Algorithmic Transformation Techniques for Efficient Exploration of Alternative Application Instances",     In Proc."10th Int. Symposium on Hardware/Software Codesign (CODES'02)", pp. 7-12, Estes Park, Colorado, USA, May 6-8, 2002.
Alexandru Turjan, Todor Stefanov, Bart Kienhuis, and Ed Deprettere,     "The COMPAAN Tool Chain to convert Matlab into Process Networks",     In Designers' Forum "Design, Automation and Test in Europe (DATE'02)", pp. 258 + Software Demo, Paris, France, Mar. 4-8, 2002.
Tim Harriss, Richard Walke, Todor Stefanov, Alexandru Turjan, Bart Kienhuis, and Ed Deprettere,     "QR implementation onto an FPGA as part of a Beam former application",     In Designers' Forum "Design, Automation and Test in Europe (DATE'02)", pp. 274, Paris, France, Mar. 4-8, 2002.
Todor Stefanov, Paul Lieverse, Pieter van der Wolf, and Ed Deprettere,     "System Level Design with SPADE: an M-JPEG Case Study",     In Proc."IEEE/ACM Int. Conference on Computer Aided Design (ICCAD'01)", pp. 31-38, San Jose, California, USA, Nov. 4-8, 2001.
Todor Stefanov, Ed Deprettere, and Bart Kienhuis,     "Exploring Application Model Instances in System-Level Design",     In Proc."Workshop on Embedded Systems (PROGRESS'01)", pp. 243-250, Veldhoven, The Netherlands, Oct. 18, 2001.
Todor Stefanov, Paul Lieverse, Ed Deprettere, and Pieter van der Wolf,     "Y-Chart Based System Level Performance Analysis: An M-JPEG Case Study",     In Proc."Workshop on Embedded Systems (PROGRESS'00)", pp. 129-140, Utrecht, The Netherlands, Oct. 13, 2000.
Todor Stefanov (with P. Manoilov, G.Kousmanov and A. Popov),     "Two Approaches in One for a Quick and Efficient Design of Low Area Custom Microprocessor Cores",      In Proc. "Electronics '98", Sozopol, Bulgaria, Sep. 1998.

Bart van der Drift, Todor Stefanov     "Smart Grid: Combining RF mesh grid and public carrier networks for last-mile communications",     Internal Technical Report 11-03, LIACS - Leiden University, The Netherlands, June 2011.
Mikel Azkarate-askasua, Todor Stefanov     "JPEG2000 Image Compression in Multi-Processor System-on-Chip",     Internal Technical Report CE-TR-2008-05, Delft University of Technology, The Netherlands, July 2008.
Emanuele Cannella, Todor Stefanov, and Georgi Gaydadjiev     "Performance Evaluation of Multi-threading Operating Systems in MPSoCs generated by ESPAM",     Internal Technical Report CE-TR-2008-02, Delft University of Technology, The Netherlands, June 2008.
Ying Tao, Hristo Nikolov, Todor Stefanov, and Ed Deprettere     "Heterogeneous Multiprocessor System Design with ESPAM: Integration of Hardware IP Cores",     Internal Technical Report 06-21, LIACS - Leiden University, The Netherlands, December 2006.
Wei Zhong, Todor Stefanov, and Ed Deprettere     "Embedded System-Level Platform Synthesis and Application Mapping for Heterogeneous and Hierarchical Multiprocessor Systems",     Internal Technical Report 06-05, LIACS - Leiden University, The Netherlands, May 2006.
Kai Huang, Ji Gu, Todor Stefanov, and Ed Deprettere     "Automatic Platform Synthesis and Application Mapping for Multiprocessor Systems On-Chip",     Internal Technical Report 05-30, LIACS - Leiden University, The Netherlands, August 2005.