Matlab tools for intravoxel incoherent motion (IVIM) data, including kurtosis, stretched exponential, tri-exponential, mono-exponential and segmented fits in Matlab Algorithms were used in: Minimizing the Acquisition Time for Intravoxel Incoherent Motion Magnetic Resonance Imaging Acquisitions in the Liver and Pancreas. By Gurney-Champion et al. Invest Radiol. 2016 Apr;51(4):211-220 https://doi.org/10.1097/RLI.0000000000000225 and Evaluation of Six Diffusion-weighted MRI Models for Assessing Effects of Neoadjuvant Chemoradiation in Pancreatic Cancer Patients. By Klaassen et al. IJROBP. 2018 Nov;102(4):1052-1062 https://doi.org/10.1016/j.ijrobp.2018.04.064
For PCA denoising of IVIM data please check my PCA-denoising toolbox @ https://github.com/oliverchampion/PCA_denoising