Håvard D. Johansen

According to our database, Håvard D. Johansen authored at least 78 papers between 2002 and 2024.

Collaborative distances:

• Dijkstra number of three.
• Erdős number of four.

2024

Performance Evaluation of Lightweight Stream Ciphers for Real-Time Video Feed Encryption on ARM Processor.

Mohsin Khan, Håvard D. Johansen, Dag Johansen

Future Internet, August, 2024

Incidental Data: A Survey towards Awareness on Privacy-Compromising Data Incidentally Shared on Social Media.

Stefan Kutschera, Wolfgang Slany, Patrick Ratschiller, Sarina Gursch, Patrick Deininger, Håvard D. Johansen

J. Cybersecur. Priv., March, 2024

Mining Profitability in Bitcoin: Calculations of User-Miner Equilibria and Cost of Mining.

Enrico Tedeschi, Øyvind Arne Moen Nohr, Håvard D. Johansen, Dag Johansen

Proceedings of the Distributed Applications and Interoperable Systems, 2024

2023

FANet: A Feedback Attention Network for Improved Biomedical Image Segmentation.

Nikhil Kumar Tomar, Debesh Jha, Michael A. Riegler, Håvard D. Johansen, Dag Johansen, Jens Rittscher, Pål Halvorsen, Sharib Ali

IEEE Trans. Neural Networks Learn. Syst., November, 2023

MRNG: Accessing Cosmic Radiation as an Entropy Source for a Non-Deterministic Random Number Generator.

Stefan Kutschera, Wolfgang Slany, Patrick Ratschiller, Sarina Gursch, Håvard Dagenborg Johansen

Entropy, June, 2023

Capturing Nutrition Data for Sports: Challenges and Ethical Issues.

Aakash Sharma, Katja Pauline Czerwinska, Dag Johansen, Håvard D. Johansen

Proceedings of the MultiMedia Modeling - 29th International Conference, 2023

Arctic HARE: A Machine Learning-Based System for Performance Analysis of Cross-Country Skiers.

Tor-Arne S. Nordmo, Michael A. Riegler, Håvard D. Johansen, Dag Johansen

Proceedings of the MultiMedia Modeling - 29th International Conference, 2023

A Self-Configuration Controller To Detect, Identify, and Recover Misconfiguration at IoT Edge Devices and Containerized Cluster System.

Areeg Samir, Håvard Dagenborg Johansen

Proceedings of the 9th International Conference on Information Systems Security and Privacy, 2023

Adaptive Controller to Identify Misconfigurations and Optimize the Performance of Kubernetes Clusters and IoT Edge Devices.

Areeg Samir, Håvard D. Johansen

Proceedings of the Service-Oriented and Cloud Computing, 2023

A Multi-pronged Self-adaptive Controller for Analyzing Misconfigurations for Kubernetes Clusters and IoT Edge Devices.

Areeg Samir, Abdo Ali A. Al-Wosabi, Mohsin Khan, Håvard D. Johansen

Proceedings of the Service-Oriented and Cloud Computing, 2023

Self-Healing Misconfiguration of Cloud-Based IoT Systems Using Markov Decision Processes.

Areeg Samir, Håvard Dagenborg Johansen

Proceedings of the 13th International Conference on Cloud Computing and Services Science, 2023

2022

On Optimizing Transaction Fees in Bitcoin using AI: Investigation on Miners Inclusion Pattern.

Enrico Tedeschi, Tor-Arne S. Nordmo, Dag Johansen, Håvard D. Johansen

ACM Trans. Internet Techn., 2022

MSRF-Net: A Multi-Scale Residual Fusion Network for Biomedical Image Segmentation.

Abhishek Srivastava, Debesh Jha, Sukalpa Chanda, Umapada Pal, Håvard D. Johansen, Dag Johansen, Michael A. Riegler, Sharib Ali, Pål Halvorsen

IEEE J. Biomed. Health Informatics, 2022

Information and communication technology-based interventions for chronic diseases consultation: Scoping review.

Pietro Randine, Aakash Sharma, Gunnar Hartvigsen, Håvard D. Johansen, Eirik Årsand

Int. J. Medical Informatics, 2022

Áika: A Distributed Edge System for AI Inference.

Joakim Aalstad Alslie, Aril Bernhard Ovesen, Tor-Arne Schmidt Nordmo, Håvard Dagenborg Johansen, Pål Halvorsen, Michael Alexander Riegler, Dag Johansen

Big Data Cogn. Comput., 2022

TFHE-rs: A library for safe and secure remote computing using fully homomorphic encryption and trusted execution environments.

Lars Brenna, Isak Sunde Singh, Håvard Dagenborg Johansen, Dag Johansen

Array, 2022

Njord: a fishing trawler dataset.

Tor-Arne Schmidt Nordmo, Aril Bernhard Ovesen, Bjørn Aslak Juliussen, Steven Alexander Hicks, Vajira Thambawita, Håvard Dagenborg Johansen, Pål Halvorsen, Michael Alexander Riegler, Dag Johansen

Proceedings of the MMSys '22: 13th ACM Multimedia Systems Conference, Athlone, Ireland, June 14, 2022

NjordVid: A Fishing Trawler Video Analytics Task.

Tor-Arne S. Nordmo, Aril B. Ovesen, Håvard D. Johansen, Dag Johansen, Michael Riegler

Proceedings of the Working Notes Proceedings of the MediaEval 2022 Workshop, 2022

Video Analytics in Elite Soccer: A Distributed Computing Perspective.

Debesh Jha, Ashish Rauniyar, Håvard D. Johansen, Dag Johansen, Michael A. Riegler, Pål Halvorsen, Ulas Bagci

Proceedings of the 12th IEEE Sensor Array and Multichannel Signal Processing Workshop, 2022

2021

A Comprehensive Study on Colorectal Polyp Segmentation With ResUNet++, Conditional Random Field and Test-Time Augmentation.

Debesh Jha, Pia H. Smedsrud, Dag Johansen, Thomas de Lange, Håvard D. Johansen, Pål Halvorsen, Michael A. Riegler

IEEE J. Biomed. Health Informatics, 2021

A comprehensive analysis of classification methods in gastrointestinal endoscopy imaging.

Debesh Jha, Sharib Ali, Steven Alexander Hicks, Vajira Thambawita, Hanna Borgli, Pia H. Smedsrud, Thomas de Lange, Konstantin Pogorelov, Xiaowei Wang, Philipp Harzig, Minh-Triet Tran, Wenhua Meng, Trung-Hieu Hoang, Danielle Dias, Tobey H. Ko, Taruna Agrawal, Olga Ostroukhova, Zeshan Khan, Muhammad Atif Tahir, Yang Liu, Yuan Chang, Mathias Kirkerød, Dag Johansen, Mathias Lux, Håvard D. Johansen, Michael A. Riegler, Pål Halvorsen

Medical Image Anal., 2021

File System Support for Privacy-Preserving Analysis and Forensics in Low-Bandwidth Edge Environments.

Aril Bernhard Ovesen, Tor-Arne Schmidt Nordmo, Håvard Dagenborg Johansen, Michael Alexander Riegler, Pål Halvorsen, Dag Johansen

Inf., 2021

Up-to-the-Minute Privacy Policies via Gossips in Participatory Epidemiological Studies.

Aakash Sharma, Thomas Bye Nilsen, Katja Pauline Czerwinska, Daria Onitiu, Lars Brenna, Dag Johansen, Håvard D. Johansen

Frontiers Big Data, 2021

Exploring Deep Learning Methods for Real-Time Surgical Instrument Segmentation in Laparoscopy.

Debesh Jha, Sharib Ali, Michael A. Riegler, Dag Johansen, Håvard D. Johansen, Pål Halvorsen

CoRR, 2021

Real-Time Polyp Detection, Localization and Segmentation in Colonoscopy Using Deep Learning.

Debesh Jha, Sharib Ali, Nikhil Kumar Tomar, Håvard D. Johansen, Dag Johansen, Jens Rittscher, Michael A. Riegler, Pål Halvorsen

IEEE Access, 2021

Kvasir-Instrument: Diagnostic and Therapeutic Tool Segmentation Dataset in Gastrointestinal Endoscopy.

Debesh Jha, Sharib Ali, Krister Emanuelsen, Steven Alexander Hicks, Vajira Thambawita, Enrique Garcia-Ceja, Michael A. Riegler, Thomas de Lange, Peter Thelin Schmidt, Håvard D. Johansen, Dag Johansen, Pål Halvorsen

Proceedings of the MultiMedia Modeling - 27th International Conference, 2021

Dutkat: A Multimedia System for Catching Illegal Catchers in a Privacy-Preserving Manner.

Tor-Arne S. Nordmo, Aril B. Ovesen, Håvard D. Johansen, Michael A. Riegler, Pål Halvorsen, Dag Johansen

Proceedings of the ICDAR@ICMR 2021: Proceedings of the 2021 Workshop on Intelligent Cross-Data Analysis and Retrieval, 2021

Designing a Service for Compliant Sharing of Sensitive Research Data.

Aakash Sharma, Thomas Bye Nilsen, Sivert Johansen, Dag Johansen, Håvard D. Johansen

Proceedings of the Risks and Security of Internet and Systems, 2021

NanoNet: Real-Time Polyp Segmentation in Video Capsule Endoscopy and Colonoscopy.

Debesh Jha, Nikhil Kumar Tomar, Sharib Ali, Michael A. Riegler, Håvard D. Johansen, Dag Johansen, Thomas de Lange, Pål Halvorsen

Proceedings of the 34th IEEE International Symposium on Computer-Based Medical Systems, 2021

Exploring Deep Learning Methods for Real-Time Surgical Instrument Segmentation in Laparoscopy.

Debesh Jha, Sharib Ali, Nikhil Kumar Tomar, Michael A. Riegler, Dag Johansen, Håvard D. Johansen, Pål Halvorsen

Proceedings of the IEEE EMBS International Conference on Biomedical and Health Informatics, 2021

2020

An Extensive Study on Cross-Dataset Bias and Evaluation Metrics Interpretation for Machine Learning Applied to Gastrointestinal Tract Abnormality Classification.

Vajira Thambawita, Debesh Jha, Hugo Lewi Hammer, Håvard D. Johansen, Dag Johansen, Pål Halvorsen, Michael A. Riegler

ACM Trans. Comput. Heal., 2020

Real-Time Polyp Detection, Localisation and Segmentation in Colonoscopy Using Deep Learning.

Debesh Jha, Sharib Ali, Håvard D. Johansen, Dag Johansen, Jens Rittscher, Michael A. Riegler, Pål Halvorsen

CoRR, 2020

LightLayers: Parameter Efficient Dense and Convolutional Layers for Image Classification.

Debesh Jha, Anis Yazidi, Michael A. Riegler, Dag Johansen, Håvard D. Johansen, Pål Halvorsen

Proceedings of the Parallel and Distributed Computing, Applications and Technologies, 2020

PMData: a sports logging dataset.

Vajira Thambawita, Steven Alexander Hicks, Hanna Borgli, Håkon Kvale Stensland, Debesh Jha, Martin Kristoffer Svensen, Svein Arne Pettersen, Dag Johansen, Håvard Dagenborg Johansen, Susann Dahl Pettersen, Simon Nordvang, Sigurd Pedersen, Anders T. Gjerdrum, Tor-Morten Grønli, Per Morten Fredriksen, Ragnhild Eg, Kjeld Hansen, Siri Fagernes, Christine Claudi, Andreas Biørn-Hansen, Duc-Tien Dang-Nguyen, Tomas Kupka, Hugo Lewi Hammer, Ramesh C. Jain, Michael Alexander Riegler, Pål Halvorsen

Proceedings of the 11th ACM Multimedia Systems Conference, 2020

Kvasir-SEG: A Segmented Polyp Dataset.

Debesh Jha, Pia H. Smedsrud, Michael A. Riegler, Pål Halvorsen, Thomas de Lange, Dag Johansen, Håvard D. Johansen

Proceedings of the MultiMedia Modeling - 26th International Conference, 2020

Medico Multimedia Task at MediaEval 2020: Automatic Polyp Segmentation.

Debesh Jha, Steven Hicks, Krister Emanuelsen, Håvard D. Johansen, Dag Johansen, Thomas de Lange, Michael A. Riegler, Pål Halvorsen

Proceedings of the Working Notes Proceedings of the MediaEval 2020 Workshop, 2020

DDANet: Dual Decoder Attention Network for Automatic Polyp Segmentation.

Nikhil Kumar Tomar, Debesh Jha, Sharib Ali, Håvard D. Johansen, Dag Johansen, Michael A. Riegler, Pål Halvorsen

Proceedings of the Pattern Recognition. ICPR International Workshops and Challenges, 2020

Scalable Infrastructure for Efficient Real-Time Sports Analytics.

Håvard D. Johansen, Dag Johansen, Tomas Kupka, Michael A. Riegler, Pål Halvorsen

Proceedings of the Companion Publication of the 2020 International Conference on Multimodal Interaction, 2020

DoubleU-Net: A Deep Convolutional Neural Network for Medical Image Segmentation.

Debesh Jha, Michael A. Riegler, Dag Johansen, Pål Halvorsen, Håvard D. Johansen

Proceedings of the 33rd IEEE International Symposium on Computer-Based Medical Systems, 2020

2019

A Survey of Automatic Methods for Nutritional Assessment.

Lars Brenna, Håvard D. Johansen, Dag Johansen

CoRR, 2019

Diggi: A Secure Framework for Hosting Native Cloud Functions with Minimal Trust.

Anders Tungeland Gjerdrum, Håvard Dagenborg Johansen, Lars Brenna, Dag Johansen

Proceedings of the First IEEE International Conference on Trust, 2019

ResUNet++: An Advanced Architecture for Medical Image Segmentation.

Debesh Jha, Pia H. Smedsrud, Michael A. Riegler, Dag Johansen, Thomas de Lange, Pål Halvorsen, Håvard D. Johansen

Proceedings of the IEEE International Symposium on Multimedia, 2019

Predicting Peek Readiness-to-Train of Soccer Players Using Long Short-Term Memory Recurrent Neural Networks.

Theodor Wiik, Håvard D. Johansen, Svein Arne Pettersen, Ivan Baptista, Tomas Kupka, Dag Johansen, Michael Riegler, Pål Halvorsen

Proceedings of the 2019 International Conference on Content-Based Multimedia Indexing, 2019

Real-time Analysis of Physical Performance Parameters in Elite Soccer.

Kim Andreassen, Dag Johansen, Håvard D. Johansen, Ivan Baptista, Svein Arne Pettersen, Michael Riegler, Pål Halvorsen

Proceedings of the 2019 International Conference on Content-Based Multimedia Indexing, 2019

Predicting Transaction Latency with Deep Learning in Proof-of-Work Blockchains.

Enrico Tedeschi, Tor-Arne S. Nordmo, Dag Johansen, Håvard D. Johansen

Proceedings of the 2019 IEEE International Conference on Big Data (IEEE BigData), 2019

2018

SGX Enforcement of Use-Based Privacy.

Eleanor Birrell, Anders T. Gjerdrum, Robbert van Renesse, Håvard D. Johansen, Dag Johansen, Fred B. Schneider

Proceedings of the 2018 Workshop on Privacy in the Electronic Society, 2018

The Medico-Task 2018: Disease Detection in the Gastrointestinal Tract Using Global Features and Deep Learning.

Vajira Thambawita, Debesh Jha, Michael Riegler, Pål Halvorsen, Hugo Lewi Hammer, Håvard D. Johansen, Dag Johansen

Proceedings of the Working Notes Proceedings of the MediaEval 2018 Workshop, 2018

Trading Network Performance for Cash in the Bitcoin Blockchain.

Enrico Tedeschi, Håvard D. Johansen, Dag Johansen

Proceedings of the 8th International Conference on Cloud Computing and Services Science, 2018

Camera Synchronization for Panoramic Videos.

Vamsidhar Reddy Gaddam, Ragnar Langseth, Håkon Kvale Stensland, Carsten Griwodz, Michael Riegler, Tomas Kupka, Håvard Espeland, Dag Johansen, Håvard D. Johansen, Pål Halvorsen

Proceedings of the MediaSync, Handbook on Multimedia Synchronization., 2018

2017

Secure Edge Computing with ARM TrustZone.

Robert Pettersen, Håvard D. Johansen, Dag Johansen

Proceedings of the 2nd International Conference on Internet of Things, 2017

Managing Personalized Cross-cloud Storage Systems with Meta-code.

Magnus Stenhaug, Håvard D. Johansen, Dag Johansen

Proceedings of the CLOSER 2017, 2017

Performance Principles for Trusted Computing with Intel SGX.

Anders T. Gjerdrum, Robert Pettersen, Håvard D. Johansen, Dag Johansen

Proceedings of the Cloud Computing and Service Science - 7th International Conference, 2017

Performance of Trusted Computing in Cloud Infrastructures with Intel SGX.

Anders T. Gjerdrum, Robert Pettersen, Håvard D. Johansen, Dag Johansen

Proceedings of the CLOSER 2017, 2017

2016

Multimedia and Medicine: Teammates for Better Disease Detection and Survival.

Michael Riegler, Mathias Lux, Carsten Griwodz, Concetto Spampinato, Thomas de Lange, Sigrun Losada Eskeland, Konstantin Pogorelov, Wallapak Tavanapong, Peter Thelin Schmidt, Cathal Gurrin, Dag Johansen, Håvard D. Johansen, Pål Halvorsen

Proceedings of the 2016 ACM Conference on Multimedia Conference, 2016

LTA 2016: The First Workshop on Lifelogging Tools and Applications.

Cathal Gurrin, Xavier Giró-i-Nieto, Petia Radeva, Mariella Dimiccoli, Håvard D. Johansen, Hideo Joho, Vivek K. Singh

Proceedings of the 2016 ACM Conference on Multimedia Conference, 2016

LADY: Dynamic Resolution of Assemblies for Extensible and Distributed .NET Applications.

Steffen Viken Valvåg, Robert Pettersen, Håvard D. Johansen, Dag Johansen

Proceedings of the CLOSER 2016, 2016

Dynamically Loading Mobile/Cloud Assemblies.

Robert Pettersen, Håvard D. Johansen, Steffen Viken Valvåg, Dag Johansen

Proceedings of the Cloud Computing and Services Science - 6th International Conference, 2016

Transforming Healthcare through Life-Long Personal Digital Footprints.

Magnus Stenhaug, Håvard D. Johansen, Dag Johansen

Proceedings of the First IEEE International Conference on Connected Health: Applications, 2016

Implementing Informed Consent as Information-Flow Policies for Secure Analytics on eHealth Data: Principles and Practices.

Anders T. Gjerdrum, Håvard D. Johansen, Dag Johansen

Proceedings of the First IEEE International Conference on Connected Health: Applications, 2016

2015

Fireflies: A Secure and Scalable Membership and Gossip Service.

Håvard D. Johansen, Robbert van Renesse, Ymir Vigfusson, Dag Johansen

ACM Trans. Comput. Syst., 2015

Towards Consent-Based Lifelogging in Sport Analytic.

Håvard D. Johansen, Cathal Gurrin, Dag Johansen

Proceedings of the MultiMedia Modeling - 21st International Conference, 2015

Enforcing Privacy Policies with Meta-Code.

Håvard D. Johansen, Eleanor Birrell, Robbert van Renesse, Fred B. Schneider, Magnus Stenhaug, Dag Johansen

Proceedings of the 6th Asia-Pacific Workshop on Systems, 2015

2014

Digital Chronofiles of Life Experience.

Cathal Gurrin, Håvard D. Johansen, Thomas Sødring, Dag Johansen

Proceedings of the Social Informatics - SocInfo 2014 International Workshops, Barcelona, 2014

Soccer video and player position dataset.

Svein Arne Pettersen, Dag Johansen, Håvard D. Johansen, Vegard Berg-Johansen, Vamsidhar Reddy Gaddam, Asgeir Mortensen, Ragnar Langseth, Carsten Griwodz, Håkon Kvale Stensland, Pål Halvorsen

Proceedings of the Multimedia Systems Conference 2014, 2014

Management of body-sensor data in sports analytic with operative consent.

Håvard D. Johansen, Wei Zhang, Joseph Hurley, Dag Johansen

Proceedings of the 2014 IEEE Ninth International Conference on Intelligent Sensors, 2014

2013

Secure Abstraction with Code Capabilities.

Robbert van Renesse, Håvard D. Johansen, Nihar Naigaonkar, Dag Johansen

Proceedings of the 21st Euromicro International Conference on Parallel, 2013

Combining Video and Player Telemetry for Evidence-based Decisions in Soccer.

Håvard D. Johansen, Svein Arne Pettersen, Pål Halvorsen, Dag Johansen

Proceedings of the International Congress on Sports Science Research and Technology Support, 2013

2012

Search-based composition, streaming and playback of video archive content.

Dag Johansen, Pål Halvorsen, Håvard D. Johansen, Håkon Riiser, Cathal Gurrin, Bjørn Olstad, Carsten Griwodz, Åge Kvalnes, Joseph Hurley, Tomas Kupka

Multim. Tools Appl., 2012

2010

Searching and Recommending Sports Content on Mobile Devices.

David Scott, Cathal Gurrin, Dag Johansen, Håvard D. Johansen

Proceedings of the Advances in Multimedia Modeling, 2010

Composing personalized video playouts using search.

Dag Johansen, Håvard D. Johansen, Pål Halvorsen, Bjørn Olstad, Cathal Gurrin, Carsten Griwodz

Proceedings of the 2010 IEEE International Conference on Multimedia and Expo, 2010

2009

DAVVI: a prototype for the next generation multimedia entertainment platform.

Dag Johansen, Håvard D. Johansen, Tjalve Aarflot, Joseph Hurley, Åge Kvalnes, Cathal Gurrin, Sorin Sav, Bjørn Olstad, Erik Aaberg, Tore Endestad, Haakon Riiser, Carsten Griwodz, Pål Halvorsen

Proceedings of the 17th International Conference on Multimedia 2009, 2009

Authentication and Encryption in the Snow Disease Surveillance Network.

Johan Gustav Bellika, Lars Ilebrekke, Per Atle Bakkevoll, Håvard D. Johansen, Jeremiah Scholl, Monika Alise Johansen

Proceedings of the Medical Informatics in a United and Healthy Europe - Proceedings of MIE 2009, The XXIInd International Congress of the European Federation for Medical Informatics, Sarajevo, Bosnia and Herzegovina, August 30, 2009

2008

The Dynamic Enterprise Bus.

Dag Johansen, Håvard D. Johansen

Proceedings of the Fourth International Conference on Autonomic and Autonomous Systems, 2008

Resilient Software Mirroring With Untrusted Third Parties.

Håvard D. Johansen, Dag Johansen

Proceedings of the 1st ACM Workshop on Hot Topics in Software Upgrades, 2008

2007

FirePatch: Secure and Time-Critical Dissemination of Software Patches.

Håvard D. Johansen, Dag Johansen, Robbert van Renesse

Proceedings of the New Approaches for Security, 2007

2006

Fireflies: scalable support for intrusion-tolerant network overlays.

Håvard D. Johansen, André Allavena, Robbert van Renesse

Proceedings of the 2006 EuroSys Conference, Leuven, Belgium, April 18-21, 2006, 2006

2004

Environment mobility: moving the desktop around.

Dag Johansen, Håvard D. Johansen, Robbert van Renesse

Proceedings of the 2nd Workshop on Middleware for Pervasive and Ad-hoc Computing, 2004

2002

Improving Object Search Using Hints, Gossip, and Supernodes.

Håvard D. Johansen, Dag Johansen

Proceedings of the 21st Symposium on Reliable Distributed Systems (SRDS 2002), 2002