Abstract
In this paper, we present a notion of total variation for measure-valued images. Our motivation is Diffusion Spectrum Imaging (DSI) in which the diffusion at each voxel is characterized by a probability density function. We introduce a total variation denoising problem for measure-valued images. In the one-dimensional case, this problem (which involves the Monge-Kantorovich metric for measures) can be solved using cumulative distribution functions. In higher dimensions, more computationally expensive methods must be employed.
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Acknowledgements
This work has also been supported in part by Discovery Grants from the Natural Sciences and Engineering Research Council of Canada (NSERC): FM (238549-2012) and ERV (Grant No. 106270-2012).
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La Torre, D., Mendivil, F., Michailovich, O., Vrscay, E.R. (2016). Total Variation Minimization for Measure-Valued Images with Diffusion Spectrum Imaging as Motivation. In: Campilho, A., Karray, F. (eds) Image Analysis and Recognition. ICIAR 2016. Lecture Notes in Computer Science(), vol 9730. Springer, Cham. https://doi.org/10.1007/978-3-319-41501-7_15
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DOI: https://doi.org/10.1007/978-3-319-41501-7_15
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