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
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
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
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
Sinogram filtering using a stackgram domain
AP Happonen, S Alenius
Proceedings of the Second IASTED International Conference: Visualization …, 2002
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
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
Elastic Neural Networks: A Scalable Framework for Embedded Computer Vision
HH Yue Bai, Shuvra S. Bhattacharyya, Antti P. Happonen
EUSIPCO 2018, 2018
Decomposition of radon projections into stackgrams for filtering, extrapolation, and alignment of sinogram data
A Happonen
Tampere University of Technology, 2005
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
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
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, 2007
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
A comparative study of angular extrapolation in sinogram and stackgram domains for limited angle tomography
AP Happonen, U Ruotsalainen
Scandinavian Conference on Image Analysis, 1047-1056, 2005
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
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
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
Investigation of sinogram filtering using stackgram domain
AP Happonen, S Alenius
Technical Report of Tampere University of Technology; Institute of Signal …, 2005
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
Web, mobile and monitoring technologies in self-management of psychophysiological wellbeing: usage and user experiences
K Kaipainen, E Mattila, A Väätänen, AP Happonen, I Korhonen, ...
IADIS International Conference e-Health 2010, 167-177, 2010
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