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Antti P Happonen
Antti P Happonen
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A comprehensive panel of three-dimensional models for studies of prostate cancer growth, invasion and drug responses
V Härmä, J Virtanen, R Mäkelä, A Happonen, JP Mpindi, M Knuuttila, ...
PloS one 5 (5), e10431, 2010
4192010
Feasibility of a personal health technology-based psychological intervention for men with stress and mood problems: randomized controlled pilot trial
P Lappalainen, K Kaipainen, R Lappalainen, H Hoffrén, T Myllymäki, ...
JMIR Research Protocols 2 (1), e2389, 2013
962013
Quantification of dynamic morphological drug responses in 3D organotypic cell cultures by automated image analysis
V Härmä, HP Schukov, A Happonen, I Ahonen, J Virtanen, H Siitari, ...
PloS one 9 (5), e96426, 2014
952014
Lysophosphatidic acid and sphingosine-1-phosphate promote morphogenesis and block invasion of prostate cancer cells in three-dimensional organotypic models
V Härmä, M Knuuttila, J Virtanen, T Mirtti, P Kohonen, P Kovanen, ...
Oncogene 31 (16), 2075-2089, 2012
512012
Elastic Neural Networks: A Scalable Framework for Embedded Computer Vision
HH Yue Bai, Shuvra S. Bhattacharyya, Antti P. Happonen
EUSIPCO 2018, 2018
21*2018
Sinogram filtering using a stackgram domain
AP Happonen, S Alenius
Proceedings of the Second IASTED International Conference: Visualization …, 2002
182002
P4Well concept to empower self-management of psychophysiological wellbeing and load recovery
AP Happonen, E Mattila, ML Kinnunen, V Ikonen, T Myllymäki, ...
2009 3rd International Conference on Pervasive Computing Technologies for …, 2009
142009
Embedded implementation of a deep learning smile detector
P Ghazi, AP Happonen, J Boutellier, H Huttunen
2018 7th European Workshop on Visual Information Processing (EUVIP), 1-6, 2018
122018
A comparison of sinogram and stackgram domain filtering methods employing L-filters for noise reduction of tomographic data
AP Happonen, S Alenius
Proc. 2005 Finnish Signal Processing Symposium, 1-4, 2005
122005
Decomposition of radon projections into stackgrams for filtering, extrapolation, and alignment of sinogram data
A Happonen
Tampere University of Technology, 2005
112005
Three-dimensional alignment of scans in a dynamic PET study using sinusoidal trajectory signals of a sinogram
AP Happonen, U Ruotsalainen
IEEE Transactions on Nuclear Science 51 (5), 2620-2627, 2004
112004
Signal discrete sinc-interpolation in DCT domain: fast algorithms
L Yaroslavsky, A Happonen, Y Katiyi
Proceedings of International TICSP Workshop on Spectral Methods and …, 2002
112002
Experimental investigation of angular stackgram filtering for noise reduction of SPECT projection data: study with linear and nonlinear filters
AP Happonen, MO Koskinen
International Journal of Biomedical Imaging 2007 (1), 038516, 2007
102007
A concept to empower self-management of psychophysiological wellbeing: preliminary user study experiences
AP Happonen, K Kaipainen, A Vaatanen, ML Kinnunen, T Myllymaki, ...
2009 Annual International Conference of the IEEE Engineering in Medicine and …, 2009
92009
A comparative study of angular extrapolation in sinogram and stackgram domains for limited angle tomography
AP Happonen, U Ruotsalainen
Image Analysis: 14th Scandinavian Conference, SCIA 2005, Joensuu, Finland …, 2005
82005
Noise models for sinusoidal trajectories composing sinogram data in positron emission tomography
E Krestyannikov, A Happonen, U Ruotsalainen
Proceedings of the 6th Nordic Signal Processing Symposium, 2004. NORSIG 2004 …, 2004
72004
Discrete signal sinc-interpolation in DCT domain: fast algorithms
L Yaroslavsky, A Happonen, Y Katiyi
Proc. Int. TICSP Workshop on Spectral Methods and Multirate Signal …, 2002
72002
Investigation of sinogram filtering using stackgram domain
AP Happonen, S Alenius
Technical Report of Tampere University of Technology; Institute of Signal …, 2005
42005
The 3-D alignment of objects in dynamic PET scans using filtered sinusoidal trajectories of sinogram
AE Kostopoulos, AP Happonen, U Ruotsalainen
Nuclear Instruments and Methods in Physics Research Section A: Accelerators …, 2006
32006
Alignment of scans in dynamic PET study using stackgram domain
AP Happonen, U Ruotsalainen
2003 IEEE Nuclear Science Symposium. Conference Record (IEEE Cat. No …, 2003
32003
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Artículos 1–20