Roshan G. Ragel

Publication Activity (10 Years)

Years Active: 2005-2024
Publications (10 Years): 38

Top Topics

Plagiarism Detection

Countermeasures

Hardware Software

String Matching

Top Venues

IEEE Trans. Comput. Aided Des. Integr. Circuits Syst.

Publications

Sathira Silva, Savindu Bhashitha Wannigama, Roshan G. Ragel, Gihan Jayatilaka
S2TPVFormer: Spatio-Temporal Tri-Perspective View for temporally coherent 3D Semantic Occupancy Prediction. CoRR (2024)
K. Thiruthanigesan, Ruwan D. Nawarathna, Roshan G. Ragel
A Systematic Approach for Object Detection in Unconstrained Environments. ICIIS (2023)
Hashini Vindya Athauda, Upul Jayasinghe, Roshan G. Ragel
CNN for Facial Emotion Recognition in Online Learning Platforms to Identify Learner Engagement. ICIIS (2023)
Dinindu Thilakarathna, Heshan Dissanayake, Buddhi Perera, Roshan G. Ragel, Isuru Dasanayake, Mahanama Wickramasinghe, Isuru Nawinne
RV32IMF Five-Stage Pipeline Implementation with Interrupt and Random Number Generation Units. ICIIS (2023)
Anjana Senanayake, Hasindu Gamaarachchi, Damayanthi Herath, Roshan G. Ragel
DeepSelectNet: deep neural network based selective sequencing for oxford nanopore sequencing. BMC Bioinform. 24 (1) (2023)
Dilshani Karunarathna, Nuwan Jaliyagoda, Ganindu Jayalath, Janaka Alawatugoda, Roshan G. Ragel, Isuru Nawinne
Mixed-Reality Based Multi-Agent Robotics Framework for Artificial Swarm Intelligence Experiments. IEEE Access 11 (2023)
Mathuranthagaa Selvarathnam, Roshan G. Ragel, Constantino Carlos Reyes-Aldasoro, Muttukrishnan Rajarajan
Privacy vs Utility analysis when applying Differential Privacy on Machine Learning Classifiers. WiMob (2023)
Kisaru Liyanage, Hasindu Gamaarachchi, Roshan G. Ragel, Sri Parameswaran
Cross Layer Design Using HW/SW Co-Design and HLS to Accelerate Chaining in Genomic Analysis. IEEE Trans. Comput. Aided Des. Integr. Circuits Syst. 42 (9) (2023)
Rasendram Muralitharan, Upul Jayasinghe, Roshan G. Ragel
Machine Learning based Atmospheric Duct Interference Evaluation in TD-LTE Networks. ICIIS (2023)
K. Thiruthanigesan, Ruwan D. Nawarathna, Roshan G. Ragel
Enhanced YOLOv4 for Facilitating Public Safety Management amidst Protests and Riots. ICIIS (2023)
Harshana Weligampola, Gihan Jayatilaka, Suren Sritharan, Parakrama Ekanayake, Roshan G. Ragel, Vijitha R. Herath, Roshan Godaliyadda
An Optical physics inspired CNN approach for intrinsic image decomposition. CoRR (2021)
Hemakasiny Visuwalingam, Ratnasingam Sakuntharaj, Roshan G. Ragel
Part of Speech Tagging for Tamil Language Using Deep Learning. ICIIS (2021)
Darshana Jayasinghe, Aleksandar Ignjatovic, Roshan G. Ragel, Jude Angelo Ambrose, Sri Parameswaran
QuadSeal: Quadruple Balancing to Mitigate Power Analysis Attacks with Variability Effects and Electromagnetic Fault Injection Attacks. ACM Trans. Design Autom. Electr. Syst. 26 (5) (2021)
Krishanthmohan Ratnam, Roshan G. Ragel, Suthaharan Satkunarajah, Balakayan Kumaravel
Study of a Switch Architecture for Survivable Routing in Elastic Optical Networks. ICIIS (2021)
K. Thiruthanigesan, Ruwan D. Nawarathna, Roshan G. Ragel
Suspicious Object Detection in Environments with Tear Gas. ICIIS (2021)
Harshana Weligampola, Gihan Jayatilaka, Suren Sritharan, Parakrama Ekanayake, Roshan G. Ragel, Vijitha R. Herath, Roshan Godaliyadda
An Optical Physics Inspired CNN Approach for Intrinsic Image Decomposition. ICIP (2021)
Fathima Shanaz, Roshan G. Ragel
Wikidata based Location Entity Linking. ICSCA (2020)
Ajmal Hinas, Roshan G. Ragel, Jonathan M. Roberts, Felipe Gonzalez
A Framework for Multiple Ground Target Finding and Inspection Using a Multirotor UAS. Sensors 20 (1) (2020)
Harshana Weligampola, Gihan Jayatilaka, Suren Sritharan, Roshan Godaliyadda, Parakrama Ekanayaka, Roshan G. Ragel, Vijitha R. Herath
A Retinex based GAN Pipeline to Utilize Paired and Unpaired Datasets for Enhancing Low Light Images. CoRR (2020)
Amin Malekpour, Roshan G. Ragel, Tuo Li, Haris Javaid, Aleksandar Ignjatovic, Sri Parameswaran
Hardware Trojan Mitigation in Pipelined MPSoCs. ACM Trans. Design Autom. Electr. Syst. 25 (1) (2020)
Vikkitharan Gnanasambandapillai, Jorgen Peddersen, Roshan G. Ragel, Sri Parameswaran
FINDER: Find Efficient Parallel Instructions for ASIPs to Improve Performance of Large Applications. IEEE Trans. Comput. Aided Des. Integr. Circuits Syst. 39 (11) (2020)
K. Thiruthanigesan, Roshan G. Ragel
Optical Character Translation Using Spectacles (OCTS). ICIIS (2019)
Gihan Jayatilaka, Harshana Weligampola, Suren Sritharan, Pankayraj Pathmanathan, Roshan G. Ragel, Isuru Nawinne
Non-contact Infant Sleep Apnea Detection. ICIIS (2019)
Amin Malekpour, Roshan G. Ragel, Daniel Murphy, Aleksandar Ignjatovic, Sri Parameswaran
Hardware Trojan Detection and Recovery in MPSoCs via On-line Application Specific Testing. DDECS (2019)
Gihan Jayatilaka, Harshana Weligampola, Suren Sritharan, Pankayraj Pathmanathan, Roshan G. Ragel, Isuru Nawinne
Non-contact Infant Sleep Apnea Detection. CoRR (2019)
Theekshana Dissanayake, Yasitha Rajapaksha, Roshan G. Ragel, Isuru Nawinne
An Ensemble Learning Approach for Electrocardiogram Sensor Based Human Emotion Recognition. Sensors 19 (20) (2019)
Abdul Lathif Fathima Shanaz, Roshan G. Ragel
Named Entity Extraction of Wikidata Items. ICIIS (2019)
Vajira Thambawita, Roshan G. Ragel, Dhammika Elkaduwe
An optimized Parallel Failure-less Aho-Corasick algorithm for DNA sequence matching. CoRR (2018)
Vajira Thambawita, Roshan G. Ragel, Dhammika Elkaduwe
To Use or Not to Use: CPUs' Cache Optimization Techniques on GPGPUs. CoRR (2018)
Geesara Prathap, Titus Nanda Kumara, Roshan G. Ragel
Near Real-Time Data Labeling Using a Depth Sensor for EMG Based Prosthetic Arms. IntelliSys (2) (2018)
Geesara Prathap, Titus Nanda Kumara, Roshan G. Ragel
Near Real-Time Data Labeling Using a Depth Sensor for EMG Based Prosthetic Arms. CoRR (2018)
Amin Malekpour, Roshan G. Ragel, Aleksandar Ignjatovic, Sri Parameswaran
TrojanGuard: Simple and Effective Hardware Trojan Mitigation Techniques for Pipelined MPSoCs. DAC (2017)
Jayamine Alupotha, Sanduni Prasadi, Janaka Alawatugoda, Roshan G. Ragel, Mohamed Fawsan
Implementing a proven-secure and cost-effective countermeasure against the compression ratio info-leak mass exploitation (CRIME) attack. ICIIS (2017)
Krishanthmohan Ratnam, Roshan G. Ragel, Dinuka C. A. Wehella
Burst switching using variable optical splitter based switches with wavelength conversion. ICIIS (2017)
Amin Malekpour, Roshan G. Ragel, Aleksandar Ignjatovic, Sri Parameswaran
DoSGuard: Protecting pipelined MPSoCs against hardware Trojan based DoS attacks. ASAP (2017)
M. A. C. Akmal Jahan, Roshan G. Ragel
Separating tables from text and non-text objects in printed documents for digital reconstruction. ICIIS (2017)
Tuo Li, Jude Angelo Ambrose, Roshan G. Ragel, Sri Parameswaran
Processor Design for Soft Errors: Challenges and State of the Art. ACM Comput. Surv. 49 (3) (2016)
Isuru Nawinne, Haris Javaid, Roshan G. Ragel, Sri Parameswaran
Switchable cache: utilising dark silicon for application specific cache optimisations. IET Comput. Digit. Tech. 10 (4) (2016)
Isuru Nawinne, Haris Javaid, Roshan G. Ragel, Swarnalatha Radhakrishnan, Sri Parameswaran
Exploring Multilevel Cache Hierarchies in Application Specific MPSoCs. IEEE Trans. Comput. Aided Des. Integr. Circuits Syst. 34 (12) (2015)
Roshan G. Ragel, Jude Angelo Ambrose, Sri Parameswaran
SecureD: A Secure Dual Core Embedded Processor. CoRR (2015)
N. R. W. W. M. R. D. Wickramasingha, H. B. R. A. K. R. A. M. Keerawella, S. A. N. Samarasinghe, Roshan G. Ragel
RotateCAPTCHA a novel interactive CAPTCHA design targeting mobile devices. ICIIS (2015)
M. A. C. Jiffriya, M. A. C. Akmal Jahan, Hasindu Gamaarachchi, Roshan G. Ragel
Accelerating text-based plagiarism detection using GPUs. ICIIS (2015)
Hasindu Gamaarachchi, Harsha Ganegoda, Roshan G. Ragel
The A to Z of building a testbed for Power Analysis attacks. ICIIS (2015)
Jude Angelo Ambrose, Roshan G. Ragel, Darshana Jayasinghe, Tuo Li, Sri Parameswaran
Side channel attacks in embedded systems: A tale of hostilities and deterrence. ISQED (2015)
Darshana Jayasinghe, Aleksandar Ignjatovic, Jude Angelo Ambrose, Roshan G. Ragel, Sri Parameswaran
QuadSeal: Quadruple algorithmic symmetrizing countermeasure against power based side-channel attacks. CASES (2015)
Suthaharan Satkunarajah, Krishanthmohan Ratnam, Roshan G. Ragel
Pre-configured backup protection with limited resource sharing in elastic optical networks. ICIIS (2015)
S. M. Vidanagamachchi, S. D. Dewasurendra, Roshan G. Ragel
Hardware software co-design of the Aho-Corasick algorithm: Scalable for protein identification? CoRR (2014)
I. B. Nawinne, M. S. Wickramasinghe, Roshan G. Ragel, S. Radhakrishnan
Heterogeneous processor pipeline for a product cipher application. CoRR (2014)
Janaka Alawatugoda, Darshana Jayasinghe, Roshan G. Ragel
Countermeasures against Bernstein's remote cache timing attack. CoRR (2014)
Roshan G. Ragel, P. Herath, Upul Senanayake
Authorship detection of SMS messages using unigrams. CoRR (2014)
S. M. Vidanagamachchi, S. D. Dewasurendra, Roshan G. Ragel, M. Niranjan
A Structured Hardware Software Architecture for Peptide Based Diagnosis - Sub-string Matching Problem with Limited Tolerance (ICIAfS14). CoRR (2014)
Rajitha Navarathna, Swarnalatha Radhakrishnan, Roshan G. Ragel
Loop Unrolling in Multi-pipeline ASIP Design. CoRR (2014)
Darshana Jayasinghe, Roshan G. Ragel, Jude Angelo Ambrose, Aleksandar Ignjatovic, Sri Parameswaran
Advanced modes in AES: Are they safe from power analysis based side channel attacks? ICCD (2014)
M. A. C. Jiffriya, M. A. C. Akmal Jahan, Roshan G. Ragel
Plagiarism Detection on Electronic Text based Assignments using Vector Space Model (ICIAfS14). CoRR (2014)
D. Herath, C. Lakmali, Roshan G. Ragel
Accelerating string matching for bio-computing applications on multi-core CPUs. CoRR (2014)
B. A. N. M. Bambarasinghe, H. M. S. Huruggamuwa, Roshan G. Ragel, Swarnalatha Radhakrishnan
Axis2UNO: Web Services Enabled Openoffice.org. CoRR (2014)
Vajira Thambawita, Roshan G. Ragel, Dhammika Elkaduwe
To Use or Not to Use: Graphics Processing Units for Pattern Matching Algorithms. CoRR (2014)
I. P. Ratnapala, Roshan G. Ragel, Sampath Deegalla
Students Behavioural Analysis in an Online Learning Environment Using Data Mining (ICIAfS). CoRR (2014)
M. A. C. Akmal-Jahan, Roshan G. Ragel
Locating Tables in Scanned Documents for Reconstructing and Republishing (ICIAfS14). CoRR (2014)
T. M. R. L. B. Abeysinghe, N. Hassan, Roshan G. Ragel
A Feasibility Study on Programmer Specific Instruction Set Processors (PSISPs). CoRR (2014)
M. G. G. C. R. Salgado, Roshan G. Ragel
Register Spilling for Specific Application Domains in Application Specific Instruction-set Processors. CoRR (2014)
Suthaharan Satkunarajah, Krishanthmohan Ratnam, Roshan G. Ragel
Efficient Switch Architectures for Pre-configured Backup Protection with Sharing in Elastic Optical Networks (EON). CoRR (2014)
Roshan G. Ragel, Swarnalatha Radhakrishnan, Jude Angelo Ambrose
Instruction-set Selection for Multi-application based ASIP Design: An Instruction-level Study. CoRR (2014)
C. B. Bulumulla, Roshan G. Ragel
LineCAPTCHA Mobile: A User Friendly Replacement for Unfriendly Reverse Turing Tests for Mobile Devices (ICIAfS14). CoRR (2014)
Darshana Jayasinghe, Roshan G. Ragel, Dhammika Elkaduwe
Constant time encryption as a countermeasure against remote cache timing attacks. CoRR (2014)
S. M. Vidanagamachchi, S. D. Dewasurendra, Roshan G. Ragel, M. Niranjan
Tile optimization for area in FPGA based hardware acceleration of peptide identification. CoRR (2014)
S. M. Vidanagamachchi, S. D. Dewasurendra, Roshan G. Ragel
Hardware accelerated protein inference framework. CoRR (2014)
Udyani Herath, Janaka Alawatugoda, Roshan G. Ragel
Software implementation level countermeasures against the cache timing attack on advanced encryption standard. CoRR (2014)
M. A. C. Jiffriya, M. A. C. Akmal Jahan, Roshan G. Ragel, Sampath Deegalla
AntiPlag: Plagiarism Detection on Electronic Submissions of Text Based Assignments. CoRR (2014)
A. K. B. Karunathilake, B. M. D. Balasuriya, Roshan G. Ragel
User Friendly Line CAPTCHAs. CoRR (2014)
P. Perera, Roshan G. Ragel
Accelerating motif finding in DNA sequences with multicore CPUs. CoRR (2014)
G. I. Gunarathna, Mahawaga Arachchige Pathum Chamikara, Roshan G. Ragel
A Fuzzy Based Model to Identify Printed Sinhala Characters (ICIAfS14). CoRR (2014)
S. M. Vidanagamachchi, S. D. Dewasurendra, Roshan G. Ragel, M. Niranjan
A Structured Hardware Software Architecture for Peptide Based Diagnosis of Baylisascaris Procyonis Infection (ICIAfS14). CoRR (2014)
S. Arudchutha, T. Nishanthy, Roshan G. Ragel
String Matching with Multicore CPUs: Performing Better with the Aho-Corasick Algorithm. CoRR (2014)
Hasindu Gamaarachchi, Roshan G. Ragel, Darshana Jayasinghe
Accelerating Correlation Power Analysis Using Graphics Processing Units. CoRR (2014)
Angelo Barnes, Ryan Fernando, Kasuni Mettananda, Roshan G. Ragel
Improving the throughput of the AES algorithm with multicore processors. CoRR (2014)
Roshan G. Ragel, Swarnalatha Radhakrishnan, Jude Angelo Ambrose, Sri Parameswaran
A Study on Instruction-set Selection Using Multi-application Based Application Specific Instruction-set Processors. VLSI Design (2013)
Babak Saghaie, Roshan G. Ragel, Sri Parameswaran, Aleksandar Ignjatovic
A novel intermittent fault Markov model for deep sub-micron processors. ACM Great Lakes Symposium on VLSI (2013)
Upul Senanayake, Rahal Prabuddha, Roshan G. Ragel
High Throughput Virtual Screening with Data Level Parallelism in Multi-core Processors. CoRR (2013)
Tuo Li, Muhammad Shafique, Semeen Rehman, Swarnalatha Radhakrishnan, Roshan G. Ragel, Jude Angelo Ambrose, Jörg Henkel, Sri Parameswaran
CSER: HW/SW configurable soft-error resiliency for application specific instruction-set processors. DATE (2013)
Lawrance Zhang, Jude Angelo Ambrose, Jorgen Peddersen, Sri Parameswaran, Roshan G. Ragel, Swarnalatha Radhakrishnan, Kewal K. Saluja
DRMA: dynamically reconfigurable MPSoC architecture. ACM Great Lakes Symposium on VLSI (2013)
Upul Senanayake, Rahal Prabuddha, Roshan G. Ragel
Machine learning based search space optimisation for drug discovery. CIBCB (2013)
Tuo Li, Roshan G. Ragel, Sri Parameswaran
Reli: Hardware/software Checkpoint and Recovery scheme for embedded processors. DATE (2012)
Mohammad Shihabul Haque, Roshan G. Ragel, Jude Angelo Ambrose, Swarnalatha Radhakrishnan, Sri Parameswaran
DIMSim: a rapid two-level cache simulation approach for deadline-based MPSoCs. CODES+ISSS (2012)
Jude Angelo Ambrose, Roshan G. Ragel, Sri Parameswaran
Randomized Instruction Injection to Counter Power Analysis Attacks. ACM Trans. Embed. Comput. Syst. 11 (3) (2012)
Jude Angelo Ambrose, Roshan G. Ragel, Sri Parameswaran, Aleksandar Ignjatovic
Multiprocessor information concealment architecture to prevent power analysis-based side channel attacks. IET Comput. Digit. Tech. 5 (1) (2011)
Krutartha Patel, Sri Parameswaran, Roshan G. Ragel
Architectural Frameworks for Security and Reliability of MPSoCs. IEEE Trans. Very Large Scale Integr. Syst. 19 (9) (2011)
Ankita Arora, Sri Parameswaran, Roshan G. Ragel, Darshana Jayasinghe
A Hardware/Software Countermeasure and a Testing Framework for Cache Based Side Channel Attacks. TrustCom (2011)
Roshan G. Ragel, Sri Parameswaran
A hybrid hardware-software technique to improve reliability in embedded processors. ACM Trans. Embed. Comput. Syst. 10 (3) (2011)
Roshan G. Ragel, Jude Angelo Ambrose, Jorgen Peddersen, Sri Parameswaran
RACE: A Rapid, ArChitectural Simulation and Synthesis Framework for Embedded Processors. DIPES/BICC (2010)
Krutartha Patel, Sri Parameswaran, Roshan G. Ragel
CUFFS: An instruction count based architectural framework for security of MPSoCs. DATE (2009)
Jörg Henkel, Vijaykrishnan Narayanan, Sri Parameswaran, Roshan G. Ragel
Security and Dependability of Embedded Systems: A Computer Architects' Perspective. VLSI Design (2009)
Jude Angelo Ambrose, Roshan G. Ragel, Sri Parameswaran
A smart random code injection to mask power analysis based side channel attacks. CODES+ISSS (2007)
Jude Angelo Ambrose, Roshan G. Ragel, Sri Parameswaran
RIJID: Random Code Injection to Mask Power Analysis based Side Channel Attacks. DAC (2007)
Roshan G. Ragel, Sri Parameswaran
Hardware assisted pre-emptive control flow checking for embedded processors to improve reliability. CODES+ISSS (2006)
Roshan G. Ragel, Sri Parameswaran
IMPRES: integrated monitoring for processor reliability and security. DAC (2006)
Roshan G. Ragel, Sri Parameswaran, Sayed Mohammad Kia
Micro embedded monitoring for security in application specific instruction-set processors. CASES (2005)