Heikki Kälviäinen

According to our database, Heikki Kälviäinen authored at least 126 papers between 1992 and 2024.

Collaborative distances:

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

2024

DAPlankton: Benchmark Dataset for Multi-instrument Plankton Recognition via Fine-grained Domain Adaptation.

Daniel Batrakhanov, Tuomas Eerola, Kaisa Kraft, Lumi Haraguchi, Lasse Lensu, Sanna Suikkanen, María Teresa Camarena-Gómez, Jukka Seppälä, Heikki Kälviäinen

CoRR, 2024

2023

Toward phytoplankton parasite detection using autoencoders.

Simon Bilik, Daniel Batrakhanov, Tuomas Eerola, Lumi Haraguchi, Kaisa Kraft, Silke Van den Wyngaert, Jonna Kangas, Conny Sjöqvist, Karin Madsen, Lasse Lensu, Heikki Kälviäinen, Karel Horák

Mach. Vis. Appl., November, 2023

Combining feature aggregation and geometric similarity for re-identification of patterned animals.

Veikka Immonen, Ekaterina A. Nepovinnykh, Tuomas Eerola, Charles V. Stewart, Heikki Kälviäinen

CoRR, 2023

Survey of Automatic Plankton Image Recognition: Challenges, Existing Solutions and Future Perspectives.

Tuomas Eerola, Daniel Batrakhanov, Nastaran Vatankhah Barazandeh, Kaisa Kraft, Lumi Haraguchi, Lasse Lensu, Sanna Suikkanen, Jukka Seppälä, Timo Tamminen, Heikki Kälviäinen

CoRR, 2023

Towards Phytoplankton Parasite Detection Using Autoencoders.

Simon Bilik, Daniel Batrakhanov, Tuomas Eerola, Lumi Haraguchi, Kaisa Kraft, Silke Van den Wyngaert, Jonna Kangas, Conny Sjöqvist, Karin Madsen, Lasse Lensu, Heikki Kälviäinen, Karel Horák

CoRR, 2023

Re-identification of Saimaa Ringed Seals from Image Sequences.

Ekaterina A. Nepovinnykh, Antti Vilkman, Tuomas Eerola, Heikki Kälviäinen

Proceedings of the Image Analysis - 22nd Scandinavian Conference, 2023

2022

SealID: Saimaa Ringed Seal Re-Identification Dataset.

Ekaterina A. Nepovinnykh, Tuomas Eerola, Vincent Biard, Piia Mutka, Marja Niemi, Mervi Kunnasranta, Heikki Kälviäinen

Sensors, 2022

NORPPA: NOvel Ringed seal re-identification by Pelage Pattern Aggregation.

Ekaterina A. Nepovinnykh, Ilja Chelak, Tuomas Eerola, Heikki Kälviäinen

CoRR, 2022

Open-Set Plankton Recognition Using Similarity Learning.

Ola Badreldeen Bdawy Mohamed, Tuomas Eerola, Kaisa Kraft, Lasse Lensu, Heikki Kälviäinen

Proceedings of the Advances in Visual Computing - 17th International Symposium, 2022

2021

EDEN: Deep Feature Distribution Pooling for Saimaa Ringed Seals Pattern Matching.

Ilja Chelak, Ekaterina A. Nepovinnykh, Tuomas Eerola, Heikki Kälviäinen, Igor Belykh

CoRR, 2021

On De-Interlacing and Sub-Pixel Precision Tracking.

Aakif Nawaz, Toni Kuronen, Tuomas Eerola, Lasse Lensu, Heikki Kälviäinen

Proceedings of the 36th International Conference on Image and Vision Computing New Zealand, 2021

Virtual sawing using generative adversarial networks.

Daniel Batrakhanov, Fedor Zolotarev, Tuomas Eerola, Lasse Lensu, Heikki Kälviäinen

Proceedings of the 36th International Conference on Image and Vision Computing New Zealand, 2021

2020

Resolving overlapping convex objects in silhouette images by concavity analysis and Gaussian process.

Sahar F. Zafar, Mariia Murashkina, Tuomas Eerola, Jouni Sampo, Heikki Kälviäinen, Heikki Haario

J. Vis. Commun. Image Represent., 2020

Modelling internal knot distribution using external log features.

Fedor Zolotarev, Tuomas Eerola, Lasse Lensu, Heikki Kälviäinen, Tapio Helin, Heikki Haario, Tomi Kauppi, Jere Heikkinen

Comput. Electron. Agric., 2020

Siamese Network Based Pelage Pattern Matching for Ringed Seal Re-identification.

Ekaterina A. Nepovinnykh, Tuomas Eerola, Heikki Kälviäinen

Proceedings of the IEEE Winter Applications of Computer Vision Workshops, 2020

Plankton Recognition in Images with Varying Size.

Jaroslav Bures, Tuomas Eerola, Lasse Lensu, Heikki Kälviäinen, Pavel Zemcík

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

2019

Fine-Grained Wood Species Identification Using Convolutional Neural Networks.

Dmitrii Shustrov, Tuomas Eerola, Lasse Lensu, Heikki Kälviäinen, Heikki Haario

Proceedings of the Image Analysis - 21st Scandinavian Conference, 2019

Automated Segmentation of the Pectoral Muscle in Axial Breast MR Images.

Sahar F. Zafar, Mazen Diab, Tuomas Eerola, Summer E. Hanson, Gregory P. Reece, Gary J. Whitman, Mia K. Markey, Krishnaswamy Ravi-Chandar, Alan C. Bovik, Heikki Kälviäinen

Proceedings of the Advances in Visual Computing, 2019

Timber Tracing with Multimodal Encoder-Decoder Networks.

Fedor Zolotarev, Tuomas Eerola, Lasse Lensu, Heikki Kälviäinen, Heikki Haario, Jere Heikkinen, Tomi Kauppi

Proceedings of the Computer Analysis of Images and Patterns, 2019

Automated Segmentation of Nanoparticles in BF TEM Images by U-Net Binarization and Branch and Bound.

Sahar F. Zafar, Tuomas Eerola, Paulo Ferreira, Heikki Kälviäinen, Alan C. Bovik

Proceedings of the Computer Analysis of Images and Patterns, 2019

2018

Comparison of bubble detectors and size distribution estimators.

Jarmo Ilonen, Roman Juránek, Tuomas Eerola, Lasse Lensu, Markéta Dubská, Pavel Zemcík, Heikki Kälviäinen

Pattern Recognit. Lett., 2018

Automatic individual identification of Saimaa ringed seals.

Tina Chehrsimin, Tuomas Eerola, Meeri Koivuniemi, Miina Auttila, Riikka Levänen, Marja Niemi, Mervi Kunnasranta, Heikki Kälviäinen

IET Comput. Vis., 2018

Detection of Mechanical Damages in Sawn Timber Using Convolutional Neural Networks.

Nikolay Rudakov, Tuomas Eerola, Lasse Lensu, Heikki Kälviäinen, Heikki Haario

Proceedings of the Pattern Recognition - 40th German Conference, 2018

Comparison of Co-segmentation Methods for Wildlife Photo-identification.

Anastasia Popova, Tuomas Eerola, Heikki Kälviäinen

Proceedings of the Advanced Concepts for Intelligent Vision Systems, 2018

Identification of Saimaa Ringed Seal Individuals Using Transfer Learning.

Ekaterina A. Nepovinnykh, Tuomas Eerola, Heikki Kälviäinen, Gleb I. Radchenko

Proceedings of the Advanced Concepts for Intelligent Vision Systems, 2018

Two-Camera Synchronization and Trajectory Reconstruction for a Touch Screen Usability Experiment.

Toni Kuronen, Tuomas Eerola, Lasse Lensu, Heikki Kälviäinen

Proceedings of the Advanced Concepts for Intelligent Vision Systems, 2018

2017

Joint facial expression recognition and intensity estimation based on weighted votes of image sequences.

Siti Khairuni Amalina Kamarol, Mohamed Hisham Jaward, Heikki Kälviäinen, Jussi Parkkinen, Rajendran Parthiban

Pattern Recognit. Lett., 2017

Simultaneous Camera Calibration and Temporal Alignment of 2D and 3D Trajectories.

Joni Herttuainen, Tuomas Eerola, Lasse Lensu, Heikki Kälviäinen

Proceedings of the 12th International Joint Conference on Computer Vision, Imaging and Computer Graphics Theory and Applications (VISIGRAPP 2017) - Volume 6: VISAPP, Porto, Portugal, February 27, 2017

Comparison of Concave Point Detection Methods for Overlapping Convex Objects Segmentation.

Sahar F. Zafar, Tuomas Eerola, Jouni Sampo, Heikki Kälviäinen, Heikki Haario

Proceedings of the Image Analysis - 20th Scandinavian Conference, 2017

Framework for Machine Vision Based Traffic Sign Inventory.

Petri Hienonen, Lasse Lensu, Markus Melander, Heikki Kälviäinen

Proceedings of the Image Analysis - 20th Scandinavian Conference, 2017

Multi-camera Finger Tracking and 3D Trajectory Reconstruction for HCI Studies.

Vadim Lyubanenko, Toni Kuronen, Tuomas Eerola, Lasse Lensu, Heikki Kälviäinen, Jukka Häkkinen

Proceedings of the Advanced Concepts for Intelligent Vision Systems, 2017

Towards Condition Analysis for Machine Vision Based Traffic Sign Inventory.

Petri Hienonen, Lasse Lensu, Markus Melander, Heikki Kälviäinen

Proceedings of the Advanced Concepts for Intelligent Vision Systems, 2017

2016

Detection of bubbles as concentric circular arrangements.

Nataliya Strokina, Jiri Matas, Tuomas Eerola, Lasse Lensu, Heikki Kälviäinen

Mach. Vis. Appl., 2016

Segmentation of Partially Overlapping Convex Objects Using Branch and Bound Algorithm.

Sahar F. Zafar, Tuomas Eerola, Jouni Sampo, Heikki Kälviäinen, Heikki Haario

Proceedings of the Computer Vision - ACCV 2016 Workshops, 2016

2015

Segmentation of Overlapping Elliptical Objects in Silhouette Images.

Sahar F. Zafar, Tuomas Eerola, Jouni Sampo, Heikki Kälviäinen, Heikki Haario

IEEE Trans. Image Process., 2015

High-Speed Hand Tracking for Studying Human-Computer Interaction.

Toni Kuronen, Tuomas Eerola, Lasse Lensu, Jari Takatalo, Jukka Häkkinen, Heikki Kälviäinen

Proceedings of the Image Analysis - 19th Scandinavian Conference, 2015

Segmentation of Saimaa Ringed Seals for Identification Purposes.

Artem Zhelezniakov, Tuomas Eerola, Meeri Koivuniemi, Miina Auttila, Riikka Levänen, Marja Niemi, Mervi Kunnasranta, Heikki Kälviäinen

Proceedings of the Advances in Visual Computing - 11th International Symposium, 2015

Segmentation of Partially Overlapping Nanoparticles Using Concave Points.

Sahar F. Zafar, Tuomas Eerola, Jouni Sampo, Heikki Kälviäinen, Heikki Haario

Proceedings of the Advances in Visual Computing - 11th International Symposium, 2015

2014

Study of no-reference image quality assessment algorithms on printed images.

Tuomas Eerola, Lasse Lensu, Heikki Kälviäinen, Alan C. Bovik

J. Electronic Imaging, 2014

Comparison of General Object Trackers for Hand Tracking in High-Speed Videos.

Ville Hiltunen, Tuomas Eerola, Lasse Lensu, Heikki Kälviäinen

Proceedings of the 22nd International Conference on Pattern Recognition, 2014

Comparison of Appearance-Based and Geometry-Based Bubble Detectors.

Nataliya Strokina, Roman Juránek, Tuomas Eerola, Lasse Lensu, Pavel Zemcík, Heikki Kälviäinen

Proceedings of the Computer Vision and Graphics - International Conference, 2014

Estimation of Bubble Size Distribution Based on Power Spectrum.

Jarmo Ilonen, Tuomas Eerola, Heikki Mutikainen, Lasse Lensu, Jari Käyhkö, Heikki Kälviäinen

Proceedings of the Progress in Pattern Recognition, Image Analysis, Computer Vision, and Applications, 2014

2013

Framework for developing image-based dirt particle classifiers for dry pulp sheets.

Nataliya Strokina, Aki Mankki, Tuomas Eerola, Lasse Lensu, Jari Käyhkö, Heikki Kälviäinen

Mach. Vis. Appl., 2013

Constructing Benchmark Databases and Protocols for Medical Image Analysis: Diabetic Retinopathy.

Tomi Kauppi, Joni-Kristian Kämäräinen, Lasse Lensu, Valentina Kalesnykiene, Iiris Sorri, Hannu Uusitalo, Heikki Kälviäinen

Comput. Math. Methods Medicine, 2013

Detection of Curvilinear Structures by Tensor Voting Applied to Fiber Characterization.

Nataliya Strokina, Tatiana Kurakina, Tuomas Eerola, Lasse Lensu, Heikki Kälviäinen

Proceedings of the Image Analysis, 18th Scandinavian Conference, 2013

Unsupervised Visual Object Categorisation with BoF and Spatial Matching.

Teemu Kinnunen, Jukka Lankinen, Joni-Kristian Kämäräinen, Lasse Lensu, Heikki Kälviäinen

Proceedings of the Image Analysis, 18th Scandinavian Conference, 2013

2012

Unsupervised object discovery via self-organisation.

Teemu Kinnunen, Joni-Kristian Kamarainen, Lasse Lensu, Heikki Kälviäinen

Pattern Recognit. Lett., 2012

A Framework for Constructing Benchmark Databases and Protocols for Retinopathy in Medical Image Analysis.

Tomi Kauppi, Joni-Kristian Kamarainen, Lasse Lensu, Valentina Kalesnykiene, Iiris Sorri, Hannu Uusitalo, Heikki Kälviäinen

Proceedings of the Intelligent Science and Intelligent Data Engineering, 2012

Visual saliency and categorisation of abstract images.

Mari Laine-Hernandez, Teemu Kinnunen, Joni-Kristian Kämäräinen, Lasse Lensu, Heikki Kälviäinen, Pirkko Oittinen

Proceedings of the 21st International Conference on Pattern Recognition, 2012

2011

Bayesian network model of overall print quality: Construction and structural optimisation.

Tuomas Eerola, Lasse Lensu, Joni-Kristian Kämäräinen, Tuomas Leisti, Risto Ritala, Göte Nyman, Heikki Kälviäinen

Pattern Recognit. Lett., 2011

Adaptive Classification of Dirt Particles in Papermaking Process.

Nataliya Strokina, Tuomas Eerola, Lasse Lensu, Heikki Kälviäinen

Proceedings of the Image Analysis - 17th Scandinavian Conference, 2011

Improving Particle Segmentation from Process Images with Wiener Filtering.

Lauri Laaksonen, Nataliya Strokina, Tuomas Eerola, Lasse Lensu, Heikki Kälviäinen

Proceedings of the Image Analysis - 17th Scandinavian Conference, 2011

Semisynthetic Ground Truth for Dirt Particle Counting and Classification Methods.

Nataliya Strokina, Aki Mankki, Tuomas Eerola, Lasse Lensu, Jari Käyhkö, Heikki Kälviäinen

Proceedings of the IAPR Conference on Machine Vision Applications (IAPR MVA 2011), 2011

2010

Making Visual Object Categorization More Challenging: Randomized Caltech-101 Data Set.

Teemu Kinnunen, Joni-Kristian Kamarainen, Lasse Lensu, Jukka Lankinen, Heikki Kälviäinen

Proceedings of the 20th International Conference on Pattern Recognition, 2010

Unsupervised Visual Object Categorisation via Self-organisation.

Teemu Kinnunen, Joni-Kristian Kamarainen, Lasse Lensu, Heikki Kälviäinen

Proceedings of the 20th International Conference on Pattern Recognition, 2010

Automated Counting and Characterization of Dirt Particles in Pulp.

Maryam Panjeh Fouladgaran, Aki Mankki, Lasse Lensu, Jari Käyhkö, Heikki Kälviäinen

Proceedings of the Computer Vision and Graphics - International Conference, 2010

2009

Complementing visual tracking of moving targets by fusion of tactile sensing.

Olli Alkkiomäki, Ville Kyrki, Heikki Kälviäinen, Yong Liu, Heikki Handroos

Robotics Auton. Syst., 2009

Visual measurement and tracking in laser hybrid welding.

Henri Fennander, Ville Kyrki, Anna Fellman, Antti Salminen, Heikki Kälviäinen

Mach. Vis. Appl., 2009

Bag-of-Features Codebook Generation by Self-Organisation.

Teemu Kinnunen, Joni-Kristian Kämäräinen, Lasse Lensu, Heikki Kälviäinen

Proceedings of the Advances in Self-Organizing Maps, 7th International Workshop, 2009

Image Based Quantitative Mosaic Evaluation with Artificial Video.

Pekka Paalanen, Joni-Kristian Kämäräinen, Heikki Kälviäinen

Proceedings of the Image Analysis, 16th Scandinavian Conference, 2009

Fusion of Multiple Expert Annotations and Overall Score Selection for Medical Image Diagnosis.

Tomi Kauppi, Joni-Kristian Kamarainen, Lasse Lensu, Valentina Kalesnykiene, Iiris Sorri, Heikki Kälviäinen, Hannu Uusitalo, Juhani Pietilä

Proceedings of the Image Analysis, 16th Scandinavian Conference, 2009

Framework for Applying Full Reference Digital Image Quality Measures to Printed Images.

Tuomas Eerola, Joni-Kristian Kämäräinen, Lasse Lensu, Heikki Kälviäinen

Proceedings of the Image Analysis, 16th Scandinavian Conference, 2009

Multi-modal force/vision sensor fusion in 6-DOF pose tracking.

Olli Alkkiomäki, Ville Kyrki, Yong Liu, Heikki Handroos, Heikki Kälviäinen

Proceedings of the 14th International Conference on Advanced Robotics, 2009

Online trajectory following with position based force/vision control.

Olli Alkkiomäki, Ville Kyrki, Heikki Kälviäinen, Yong Liu, Heikki Handroos

Proceedings of the 14th International Conference on Advanced Robotics, 2009

2008

Image Feature Localization by Multiple Hypothesis Testing of Gabor Features.

Jarmo Ilonen, Joni-Kristian Kamarainen, Pekka Paalanen, Miroslav Hamouz, Josef Kittler, Heikki Kälviäinen

IEEE Trans. Image Process., 2008

Detection of irregularities in regular patterns.

Jarkko Vartiainen, Albert Sadovnikov, Joni-Kristian Kamarainen, Lasse Lensu, Heikki Kälviäinen

Mach. Vis. Appl., 2008

Finding best measurable quantities for predicting human visual quality experience.

Tuomas Eerola, Joni-Kristian Kämäräinen, Tuomas Leisti, Raisa Halonen, Lasse Lensu, Heikki Kälviäinen, Pirkko Oittinen, Göte Nyman

Proceedings of the IEEE International Conference on Systems, 2008

Is there hope for predicting human visual quality experience?

Tuomas Eerola, Joni-Kristian Kämäräinen, Tuomas Leisti, Raisa Halonen, Lasse Lensu, Heikki Kälviäinen, Göte Nyman, Pirkko Oittinen

Proceedings of the IEEE International Conference on Systems, 2008

Challenges of Vision for Real-Time Sensor Based Control.

Olli Alkkiomäki, Ville Kyrki, Heikki Kälviäinen, Yong Liu, Heikki Handroos

Proceedings of the Fifth Canadian Conference on Computer and Robot Vision, 2008

Simple and Robust Optic Disc Localisation Using Colour Decorrelated Templates.

Tomi Kauppi, Heikki Kälviäinen

Proceedings of the Advanced Concepts for Intelligent Vision Systems, 2008

2007

Automated Mottling Assessment of Colored Printed Areas.

Albert Sadovnikov, Lasse Lensu, Heikki Kälviäinen

Proceedings of the Image Analysis, 15th Scandinavian Conference, 2007

Object Class Detection Using Local Image Features and Point Pattern Matching Constellation Search.

Alexander Drobchenko, Jarmo Ilonen, Joni-Kristian Kamarainen, Albert Sadovnikov, Heikki Kälviäinen, Miroslav Hamouz

Proceedings of the Image Analysis, 15th Scandinavian Conference, 2007

Goniometric Imaging of Paper Gloss.

Tomi Kauppi, Albert Sadovnikov, Lasse Lensu, Joni-Kristian Kämäräinen, Pertti Silfsten, Heikki Kälviäinen

Proceedings of the IAPR Conference on Machine Vision Applications (IAPR MVA 2007), 2007

Visual Print Quality Evaluation Using Computational Features.

Tuomas Eerola, Joni-Kristian Kamarainen, Lasse Lensu, Heikki Kälviäinen

Proceedings of the Advances in Visual Computing, Third International Symposium, 2007

Fast extraction of multi-resolution Gabor features.

Jarmo Ilonen, Joni-Kristian Kamarainen, Heikki Kälviäinen

Proceedings of the 14th International Conference on Image Analysis and Processing (ICIAP 2007), 2007

The DIARETDB1 Diabetic Retinopathy Database and Evaluation Protocol.

Tomi Kauppi, Valentina Kalesnykiene, Joni-Kristian Kamarainen, Lasse Lensu, Iiris Sorri, A. Raninen, R. Voutilainen, Hannu Uusitalo, Heikki Kälviäinen, Juhani Pietilä

Proceedings of the British Machine Vision Conference 2007, 2007

2006

Invariance properties of Gabor filter-based features-overview and applications.

Joni-Kristian Kamarainen, Ville Kyrki, Heikki Kälviäinen

IEEE Trans. Image Process., 2006

Feature representation and discrimination based on Gaussian mixture model probability densities - Practices and algorithms.

Pekka Paalanen, Joni-Kristian Kamarainen, Jarmo Ilonen, Heikki Kälviäinen

Pattern Recognit., 2006

Measuring Translation Shiftability of Frames.

Jouni Sampo, Joni-Kristian Kämäräinen, Matti Heiliö, Heikki Kälviäinen

Comput. Math. Appl., 2006

Detecting irregularities in regular patterns.

Jarkko Vartiainen, Albert Sadovnikov, Lasse Lensu, Joni-Kristian Kamarainen, Heikki Kälviäinen

Proceedings of the 18th International Conference on Pattern Recognition (ICPR 2006), 2006

Gaussian mixture pdf in one-class classification: computing and utilizing confidence values.

Jarmo Ilonen, Pekka Paalanen, Joni-Kristian Kamarainen, Heikki Kälviäinen

Proceedings of the 18th International Conference on Pattern Recognition (ICPR 2006), 2006

Automating Visual Inspection of Print Quality.

Jarkko Vartiainen, S. Lyden, Albert Sadovnikov, Joni-Kristian Kamarainen, Lasse Lensu, Pekka Paalanen, Heikki Kälviäinen

Proceedings of the Image Analysis and Recognition, Third International Conference, 2006

Smooth Transition from Motion to Force Control in Robotic Manipulation Using Vision.

Olli Alkkiomäki, Ville Kyrki, Heikki Kälviäinen, Yong Liu, Heikki Handroos

Proceedings of the Ninth International Conference on Control, 2006

Factors Affecting Software Testing Time Schedule.

Ossi Taipale, Heikki Kälviäinen, Kari Smolander

Proceedings of the 17th Australian Software Engineering Conference (ASWEC 2006), 2006

2005

Feature-Based Affine-Invariant Localization of Faces.

Miroslav Hamouz, Josef Kittler, Joni-Kristian Kamarainen, Pekka Paalanen, Heikki Kälviäinen, Jiri Matas

IEEE Trans. Pattern Anal. Mach. Intell., 2005

Mottling Assessment of Solid Printed Areas and Its Correlation to Perceived Uniformity.

Albert Sadovnikov, Petja Salmela, Lasse Lensu, Joni-Kristian Kamarainen, Heikki Kälviäinen

Proceedings of the Image Analysis, 14th Scandinavian Conference, 2005

Object Evidence Extraction Using Simple Gabor Features and Statistical Ranking.

Joni-Kristian Kamarainen, Jarmo Ilonen, Pekka Paalanen, Miroslav Hamouz, Heikki Kälviäinen, Josef Kittler

Proceedings of the Image Analysis, 14th Scandinavian Conference, 2005

Toward Automatic Motor Condition Diagnosis.

Jarmo Ilonen, Pekka Paalanen, Joni-Kristian Kamarainen, T. Lindh, Jero Ahola, Heikki Kälviäinen, J. Partanen

Proceedings of the Image Analysis, 14th Scandinavian Conference, 2005

Detection of Irregularities in Regular Dot Patterns.

Albert Sadovnikov, Jarkko Vartiainen, Joni-Kristian Kämäräinen, Lasse Lensu, Heikki Kälviäinen

Proceedings of the IAPR Conference on Machine Vision Applications (IAPR MVA 2005), 2005

Thresholding Based Detection of Fine and Sparse Details.

Alexander Drobchenko, Jarkko Vartiainen, Joni-Kristian Kamarainen, Lasse Lensu, Heikki Kälviäinen

Proceedings of the IAPR Conference on Machine Vision Applications (IAPR MVA 2005), 2005

Finding and Ranking Research Directions for Software Testing.

Ossi Taipale, Kari Smolander, Heikki Kälviäinen

Proceedings of the Software Process Improvement, 12th European Conference, 2005

Quantified and Perceived Unevenness of Solid Printed Areas.

Albert Sadovnikov, Lasse Lensu, Joni-Kristian Kamarainen, Heikki Kälviäinen

Proceedings of the Progress in Pattern Recognition, 2005

2004

Simple Gabor feature space for invariant object recognition.

Ville Kyrki, Joni-Kristian Kamarainen, Heikki Kälviäinen

Pattern Recognit. Lett., 2004

Classification of Computerized Learning Tools for Introductory Programming Courses: Learning Approach.

Timo Rongas, Arto Kaarna, Heikki Kälviäinen

Proceedings of the IEEE International Conference on Advanced Learning Technologies, 2004

Affine-Invariant Face Detection and Localization Using GMM-based Feature Detector and Enhanced Appearance Model.

Miroslav Hamouz, Josef Kittler, Joni-Kristian Kamarainen, Pekka Paalanen, Heikki Kälviäinen

Proceedings of the Sixth IEEE International Conference on Automatic Face and Gesture Recognition (FGR 2004), 2004

Image-based biometric person authentication.

Heikki Kälviäinen

Proceedings of the 5th International Conference on Computer Systems and Technologies, 2004

2003

Improving similarity measures of histograms using smoothing projections.

Joni-Kristian Kamarainen, Ville Kyrki, Jarmo Ilonen, Heikki Kälviäinen

Pattern Recognit. Lett., 2003

Intermediate-level feature extraction in novel parallel environments.

Ville Kyrki, Jani Peusaari, Heikki Kälviäinen

Mach. Vis. Appl., 2003

Environmental Monitoring Using Image Analysis.

Alexey Anufriev, Heikki Kälviäinen, Arto Kaarna

Proceedings of the Image Analysis, 13th Scandinavian Conference, 2003

Geometric correction and classification of images in change detection of water plants in Soinilansalmi.

Arto Kaarna, Heikki Kälviäinen, Alexey Anufriev, Jukka Mankki, Terhi Malkavaara, Matti Jantunen

Proceedings of the 2003 IEEE International Geoscience and Remote Sensing Symposium, 2003

Hypotheses-Driven Affine Invariant Localization of Faces in Verification Systems.

Miroslav Hamouz, Josef Kittler, Joni-Kristian Kamarainen, Heikki Kälviäinen

Proceedings of the Audio-and Video-Based Biometrie Person Authentication, 2003

2002

Using Hough transform for context-based image compression in hybrid raster/vector applications.

Pasi Fränti, Eugene I. Ageenko, Saku Kukkonen, Heikki Kälviäinen

J. Electronic Imaging, 2002

Invariant Gabor Features for Face Evidence Extraction.

Joni-Kristian Kamarainen, Ville Kyrki, Heikki Kälviäinen, Miroslav Hamouz, Josef Kittler

Proceedings of the IAPR Conference on Machine Vision Applications (IAPR MVA 2002), 2002

Robustness of Gabor Feature Parameter Selection.

Joni-Kristian Kamarainen, Ville Kyrki, Heikki Kälviäinen

Proceedings of the IAPR Conference on Machine Vision Applications (IAPR MVA 2002), 2002

Fundamental Frequency Gabor Filters for Object Recognition.

Joni-Kristian Kamarainen, Ville Kyrki, Heikki Kälviäinen

Proceedings of the 16th International Conference on Pattern Recognition, 2002

Noise tolerant object recognition using Gabor filtering.

Joni-Kristian Kämäräinen, Ville Kyrki, Heikki Kälviäinen

Proceedings of the 14th International Conference on Digital Signal Processing, 2002

Automatic detection and recognition of hazardous chemical agents.

Jarmo Ilonen, Joni-Kristian Kämäräinen, Heikki Kälviäinen, O. Anttalainen

Proceedings of the 14th International Conference on Digital Signal Processing, 2002

2001

Positioning of Flexible Boom Structure Using Neural Networks.

Jarno Mielikäinen, Ilkka Koskinen, Heikki Handroos, Pekka J. Toivanen, Heikki Kälviäinen

Proceedings of the Computer Analysis of Images and Patterns, 9th International Conference, 2001

2000

Compression of multispectral remote sensing images using clustering and spectral reduction.

Arto Kaarna, Pavel Zemcík, Heikki Kälviäinen, Jussi Parkkinen

IEEE Trans. Geosci. Remote. Sens., 2000

Combination of Local and Global Line Extraction.

Ville Kyrki, Heikki Kälviäinen

Real Time Imaging, 2000

Randomized or probabilistic Hough transform: unified performance evaluation.

Nahum Kiryati, Heikki Kälviäinen, Satu Alaoutinen

Pattern Recognit. Lett., 2000

Content-based matching of line-drawing images using the Hough transform.

Pasi Fränti, Alexey Mednonogov, Ville Kyrki, Heikki Kälviäinen

Int. J. Document Anal. Recognit., 2000

Multispectral Image Color Encoding.

Pavel Zemcík, Jan Vorácek, Michael Frydrych, Heikki Kälviäinen, Pekka J. Toivanen

Proceedings of the 15th International Conference on Pattern Recognition, 2000

High Precision 2-D Geometrical Inspection.

Ville Kyrki, Heikki Kälviäinen

Proceedings of the 15th International Conference on Pattern Recognition, 2000

Multispectral Video.

Panu Koponen, Heikki Kälviäinen, Jussi Parkkinen

Proceedings of the 15th International Conference on Pattern Recognition, 2000

Hough Transform for Rotation Invariant Matching of Line-Drawing Images.

Pasi Fränti, Alexey Mednonogov, Heikki Kälviäinen

Proceedings of the 15th International Conference on Pattern Recognition, 2000

Image compression using derivative information with Distance Transforms.

Leena Ikonen, Ville Kyrki, Pekka J. Toivanen, Heikki Kälviäinen

Proceedings of the 10th European Signal Processing Conference, 2000

1998

Multispectral image compression.

Arto Kaarna, Pavel Zemcík, Heikki Kälviäinen, Jussi Parkkinen

Proceedings of the Fourteenth International Conference on Pattern Recognition, 1998

1997

An extension to the randomized hough transform exploiting connectivity.

Heikki Kälviäinen, Petri Hirvonen

Pattern Recognit. Lett., 1997

Robust unmixing of large sets of mixed pixels.

Panagiota Bosdogianni, Heikki Kälviäinen, Maria Petrou, Josef Kittler

Pattern Recognit. Lett., 1997

1996

Houghtool -- A software package for the use of the Hough transform.

Heikki Kälviäinen, Petri Hirvonen, Erkki Oja

Pattern Recognit. Lett., 1996

Mixed pixel classification with the randomized Hough transform.

Heikki Kälviäinen, Panagiota Bosdogianni, Maria Petrou, Josef Kittler

Proceedings of the 13th International Conference on Pattern Recognition, 1996

1995

Probabilistic and non-probabilistic Hough transforms: overview and comparisons.

Heikki Kälviäinen, Petri Hirvonen, Lei Xu, Erkki Oja

Image Vis. Comput., 1995

1994

Comparisons of Probabilistic and Non-probabilistic Hough Transforms.

Heikki Kälviäinen, Petri Hirvonen, Lei Xu, Erkki Oja

Proceedings of the Computer Vision, 1994

1993

Motion Estimation and the Randomized Hough Transform (RHT): New Methods with Gradient Information.

Heikki Kälviäinen

Proceedings of the Computer Analysis of Images and Patterns, 5th International Conference, 1993

1992

Randomized Hough transform applied to translational and rotational motion analysis.

Heikki Kälviäinen, Erkki Oja, Lei Xu

Proceedings of the 11th IAPR International Conference on Pattern Recognition, 1992