Dr. Jukka P. Häkkinen Profile

Dr. Jukka P. Häkkinen

at Univ of Helsinki

SPIE Involvement:

Author

Publications (22)

SPIE Journal Paper | 30 January 2019

Image quality wheel

Toni Virtanen, Mikko Nuutinen, Jukka Häkkinen

JEI, Vol. 28, Issue 01, 013015, (January 2019) https://doi.org/10.1117/12.10.1117/1.JEI.28.1.013015

KEYWORDS: Image quality, Polonium, Sensors, Visualization, Databases, Image analysis, Photography, Video, Image quality standards, Printing

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SPIE Journal Paper | 28 March 2016

Performance measure of image and video quality assessment algorithms: subjective root-mean-square error

Mikko Nuutinen, Toni Virtanen, Jukka Häkkinen

JEI, Vol. 25, Issue 02, 023012, (March 2016) https://doi.org/10.1117/12.10.1117/1.JEI.25.2.023012

KEYWORDS: Calibration, Image quality, Databases, Video, Detection and tracking algorithms, Cameras, Quality measurement, MATLAB, Error analysis, Statistical analysis

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Proceedings Article | 17 March 2015 Paper

Disparity modification in stereoscopic images for emotional enhancement

Takashi Kawai, Daiki Atsuta, Sanghyun Kim, Jukka Häkkinen

Proceedings Volume 9391, 93910Q (2015) https://doi.org/10.1117/12.2084016

KEYWORDS: 3D image processing, 3D displays, 3D modeling, Analytical research, Information technology, Optical filters, Glasses, Behavioral sciences, Safety, Photography

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Proceedings Article | 8 February 2015 Paper

Alternative performance metrics and target values for the CID2013 database

T. Virtanen, Mikko Nuutinen, J. Radun, Tuomas Leisti, Jukka Häkkinen

Proceedings Volume 9396, 93960Q (2015) https://doi.org/10.1117/12.2079100

KEYWORDS: Image quality, Databases, Data modeling, Image enhancement, Detection and tracking algorithms, Molybdenum, Distortion, Cameras, Visualization, Digital imaging

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SPIE Journal Paper | 7 August 2014 Open Access

Why is quality estimation judgment fast? Comparison of gaze control strategies in quality and difference estimation tasks

Jenni Radun, Tuomas Leisti, Toni Virtanen, Göte Nyman, Jukka Häkkinen

JEI, Vol. 23, Issue 06, 061103, (August 2014) https://doi.org/10.1117/12.10.1117/1.JEI.23.6.061103

KEYWORDS: Image quality, Visualization, Image processing, Eye, Image analysis, Motion estimation, Visual process modeling, Calibration, Fused deposition modeling, Control systems

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Proceedings Article | 6 March 2014 Paper

Disparity modifications and the emotional effects of stereoscopic images

Takashi Kawai, Daiki Atsuta, Yuya Tomiyama, Sanghyun Kim, Hiroyuki Morikawa, Reiko Mitsuya, Jukka Häkkinen

Proceedings Volume 9011, 901115 (2014) https://doi.org/10.1117/12.2042376

KEYWORDS: 3D image processing, Neodymium, 3D displays, 3D modeling, Ions, Analytical research, Information technology, Visualization, Eye, Ear

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Proceedings Article | 12 March 2013 Paper

Disparity analysis of 3D movies and emotional representations

Takashi Kawai, Masahiro Hirahara, Yuya Tomiyama, Daiki Atsuta, Jukka Häkkinen

Proceedings Volume 8648, 86480Z (2013) https://doi.org/10.1117/12.2008582

KEYWORDS: 3D image processing, Analytical research, Neodymium, 3D displays, Distributed interactive simulations, Optical flow, Eye, Data conversion, Ions, Electroluminescence

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SPIE Journal Paper | 27 February 2012

Effect of camera separation on the viewing experience of stereoscopic photographs

Mikko Kytö, Jussi Hakala, Pirkko Oittinen, Jukka Häkkinen

JEI, Vol. 21, Issue 1, 011011, (February 2012) https://doi.org/10.1117/12.10.1117/1.JEI.21.1.011011

KEYWORDS: Cameras, Photography, Image quality, Visualization, 3D image processing, Stereoscopy, Mobile devices, Stereoscopic cameras, Light sources and illumination, Molybdenum

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SPIE Journal Paper | 22 February 2012

Subjective experiences of watching stereoscopic Avatar and U2 3D in a cinema

Monika Pölönen, Marja Salmimaa, Jari Takatalo, Jukka Häkkinen

JEI, Vol. 21, Issue 1, 011006, (February 2012) https://doi.org/10.1117/12.10.1117/1.JEI.21.1.011006

KEYWORDS: Visualization, Image quality, Glasses, 3D image processing, 3D vision, Eye, Image quality standards, Image visualization, 3D image enhancement, Image enhancement

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Proceedings Article | 26 February 2011 Paper

Effect of image scaling on stereoscopic movie experience

Jukka Häkkinen, Jussi Hakala, Miska Hannuksela, Pirkko Oittinen

Proceedings Volume 7863, 78630R (2011) https://doi.org/10.1117/12.872530

KEYWORDS: Cameras, Video, Visualization, Televisions, Eye, 3D image processing, Image scaling, Stereoscopic cameras, MATLAB, Glasses

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Proceedings Article | 11 February 2011 Paper

Psycho-physiological effects of head-mounted displays in ubiquitous use

Takashi Kawai, Jukka Häkkinen, Keisuke Oshima, Hiroko Saito, Takashi Yamazoe, Hiroyuki Morikawa, Göte Nyman

Proceedings Volume 7881, 788107 (2011) https://doi.org/10.1117/12.878864

KEYWORDS: Head-mounted displays, Video, Information visualization, Visualization, Heart, Eye, Sensors, Head, Multimedia, Image resolution

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Proceedings Article | 18 February 2010 Paper

What do people look at when they watch stereoscopic movies?

Jukka Häkkinen, Takashi Kawai, Jari Takatalo, Reiko Mitsuya, Göte Nyman

Proceedings Volume 7524, 75240E (2010) https://doi.org/10.1117/12.838857

KEYWORDS: Eye, Visualization, Cameras, Stereoscopic displays, Stereoscopy, Psychology, Telecommunications, Consciousness, Environmental sensing, Imaging arrays

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Proceedings Article | 28 January 2010 Paper

Ergonomic evaluation of ubiquitous computing with monocular head-mounted display

Takashi Kawai, Jukka Häkkinen, Takashi Yamazoe, Hiroko Saito, Shinsuke Kishi, Hiroyuki Morikawa, Terhi Mustonen, Jyrki Kaistinen, Göte Nyman

Proceedings Volume 7542, 754202 (2010) https://doi.org/10.1117/12.839173

KEYWORDS: Head-mounted displays, Video, Heart, Visualization, Sensors, Switching, Information visualization, Image quality, Head, Goggles

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Proceedings Article | 18 January 2010 Paper

Evaluation of the visual performance of image processing pipes: information value of subjective image attributes

G. Nyman, J. Häkkinen, E.-M. Koivisto, T. Leisti, P. Lindroos, O. Orenius, T. Virtanen, T. Vuori

Proceedings Volume 7529, 752905 (2010) https://doi.org/10.1117/12.839946

KEYWORDS: Image quality, Image processing, Molybdenum, Image analysis, Visualization, Cameras, Signal processing, Cell phones, Image visualization, Profiling

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Proceedings Article | 19 February 2009 Paper

Evaluation of stereoscopic image quality for mobile devices using interpretation based quality methodology

Takashi Shibata, Shunsuke Kurihara, Takashi Kawai, Tsuyoshi Takahashi, Tomoyuki Shimizu, Ryoichi Kawada, Atsushi Ito, Jukka Häkkinen, Jari Takatalo, Göte Nyman

Proceedings Volume 7237, 72371E (2009) https://doi.org/10.1117/12.807080

KEYWORDS: 3D displays, 3D image processing, Mobile devices, Image quality, Visualization, 3D vision, Glasses, Large screens, Small screens, 3D visualizations

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Proceedings Article | 29 February 2008 Paper

Scalable 3D image conversion and ergonomic evaluation

Shinsuke Kishi, Sang Hyun Kim, Takashi Shibata, Takashi Kawai, Jukka Häkkinen, Jari Takatalo, Göte Nyman

Proceedings Volume 6803, 68030F (2008) https://doi.org/10.1117/12.765990

KEYWORDS: 3D image processing, 3D displays, Visualization, Safety, Prototyping, Image analysis, 3D imaging standards, Software development, Standards development, Algorithm development

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Proceedings Article | 27 February 2008 Paper

Profiles of the evaluators: impact of psychographic variables on the consumer-oriented quality assessment of mobile television

Satu Jumisko-Pyykkö, Jukka Häkkinen

Proceedings Volume 6821, 68210L (2008) https://doi.org/10.1117/12.765697

KEYWORDS: Video, Televisions, Mobile devices, Multimedia, Video processing, Visualization, Information technology, Sensors, Signal processing, Diffusion

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Proceedings Article | 28 January 2008 Paper

Measuring stereoscopic image quality experience with interpretation-based quality methodology

Jukka Häkkinen, Takashi Kawai, Jari Takatalo, Tuomas Leisti, Jenni Radun, Anni Hirsaho, Göte Nyman

Proceedings Volume 6808, 68081B (2008) https://doi.org/10.1117/12.760935

KEYWORDS: Image quality, Eye, Stereoscopy, Cameras, Bridges, Mirrors, Photography, 3D image processing, Teeth, Statistical analysis

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Proceedings Article | 26 February 2007 Paper

Experienced quality factors: qualitative evaluation approach to audiovisual quality

Satu Jumisko-Pyykkö, Jukka Häkkinen, Göte Nyman

Proceedings Volume 6507, 65070M (2007) https://doi.org/10.1117/12.699797

KEYWORDS: Visualization, Video, Multimedia, Image quality, Data modeling, Televisions, Analytical research, Sensors, Mobile devices, Video coding

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Proceedings Article | 29 January 2007 Paper

Measuring user experience in digital gaming: theoretical and methodological issues

Jari Takatalo, Jukka Häkkinen, Jyrki Kaistinen, Göte Nyman

Proceedings Volume 6494, 649402 (2007) https://doi.org/10.1117/12.698486

KEYWORDS: CRTs, Field emission displays, Cognitive modeling, Cognition, Environmental sensing, Psychology, Human-computer interaction, Pollution control, Neodymium, Virtual reality

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Proceedings Article | 27 January 2006 Paper

Visual comfort with mobile stereoscopic gaming

Jukka Häkkinen, Marja Liinasuo, Jari Takatalo, Göte Nyman

Proceedings Volume 6055, 60550A (2006) https://doi.org/10.1117/12.641210

KEYWORDS: Eye, Stereoscopic displays, Visualization, Mobile devices, Autostereoscopic displays, Cell phones, Computer simulations, Visual system, Virtual reality

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Proceedings Article | 17 January 2006 Paper

What do users really perceive: probing the subjective image quality

Göte Nyman, Jenni Radun, Tuomas Leisti, Joni Oja, Harri Ojanen, Jean-Luc Olives, Tero Vuori, Jukka Häkkinen

Proceedings Volume 6059, 605902 (2006) https://doi.org/10.1117/12.641612

KEYWORDS: Image quality, Image classification, Image analysis, Cameras, Quality measurement, Image processing, Modulation transfer functions, Molybdenum, Visualization, Product engineering

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Showing 5 of 22 publications

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