FINSIG 05
FINSIG 05
FINSIG 05
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<strong>FINSIG</strong> 20<strong>05</strong>Kuopio, Finland In case of diffuse transport wehave used both random walkand diffusion models as theevolution model in the statespace equations Use of diffusion model in theestimation clearly removes theeffect of noise, compared to sequentialLS and random walkestimates.TrueKalman Smoother,Kalman Smoother,Random Walk Least Squares LaplaceNormalized activity0.80.70.60.50.40.30.2Simulated ActivityKalman Smoother, Random WalkKalman Smoother, Diffusion0.100 10 20 30 40 50 60PixelMikko Kervinen, Department of Applied Physics, University of Kuopio Slide 21
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