{
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  "Package": "dti",
  "Version": "1.5.4.3",
  "Date": "2024-09-26",
  "Title": "Analysis of Diffusion Weighted Imaging (DWI) Data",
  "Authors@R": "c(person(\"Karsten\", \"Tabelow\", role = c(\"aut\", \"cre\"),\nemail = \"karsten.tabelow@wias-berlin.de\"),\nperson(\"Joerg\", \"Polzehl\", role = c(\"aut\"),\nemail = \"joerg.polzehl@wias-berlin.de\"),\nperson(\"Felix\", \"Anker\", role = c(\"ctb\")))",
  "Author": "Karsten Tabelow [aut, cre], Joerg Polzehl [aut], Felix Anker\n[ctb]",
  "Maintainer": "Karsten Tabelow <karsten.tabelow@wias-berlin.de>",
  "SystemRequirements": "gsl",
  "LazyData": "TRUE",
  "Description": "Diffusion Weighted Imaging (DWI) is a Magnetic Resonance\nImaging modality, that measures diffusion of water in tissues\nlike the human brain. The package contains R-functions to\nprocess diffusion-weighted data. The functionality includes\ndiffusion tensor imaging (DTI), diffusion kurtosis imaging\n(DKI), modeling for high angular resolution diffusion weighted\nimaging (HARDI) using Q-ball-reconstruction and tensor mixture\nmodels, several methods for structural adaptive smoothing\nincluding POAS and msPOAS, and a streamline fiber tracking for\ntensor and tensor mixture models. The package provides\nfunctionality to manipulate and visualize results in 2D and 3D.",
  "License": "GPL (>= 2)",
  "Copyright": "This package is Copyright (C) 2005-2020 Weierstrass\nInstitute for Applied Analysis and Stochastics.",
  "URL": "https://www.wias-berlin.de/research/ats/imaging/",
  "RoxygenNote": "6.1.0",
  "NeedsCompilation": "yes",
  "Packaged": {
    "Date": "2026-05-12 08:03:49 UTC",
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  "Repository": "https://ktabelow.r-universe.dev",
  "Date/Publication": "2024-09-26 12:10:03 UTC",
  "RemoteUrl": "https://github.com/cran/dti",
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  "_created": "2026-05-12T08:03:49.000Z",
  "_published": "2026-05-22T10:45:43.930Z",
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    "author": "Karsten Tabelow <karsten.tabelow@wias-berlin.de>",
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      "version": "1.3-0.3",
      "date": "2018-12-20"
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      "version": "1.4",
      "date": "2019-05-09"
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    {
      "version": "1.4.1",
      "date": "2019-07-10"
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      "version": "1.4.2",
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      "date": "2019-11-18"
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  ],
  "_exports": [
    "AdjacencyMatrix",
    "aflsigmc",
    "afsigmc",
    "awslsigmc",
    "awssigmc",
    "combineDWIdata",
    "combineFibers",
    "dkiIndices",
    "dkiTensor",
    "dti.options",
    "dti.smooth",
    "dtiData",
    "dtiIndices",
    "dtiTensor",
    "dwi.smooth",
    "dwi.smooth.ms",
    "dwiMD",
    "dwiMixtensor",
    "dwiMtCombine",
    "dwiQball",
    "dwiRiceBias",
    "extract",
    "getmask",
    "getsdofsb",
    "medinria2tensor",
    "plot",
    "print",
    "readDWIdata",
    "reduceFibers",
    "sdpar",
    "selectFibers",
    "setmask",
    "show",
    "show3d",
    "showFAColorScale",
    "subsetg",
    "summary",
    "tensor2medinria",
    "touchingFibers",
    "tracking"
  ],
  "_datasets": [
    {
      "name": "colqFA",
      "title": "FA map color scheme",
      "object": "colqFA",
      "class": [
        "character"
      ],
      "fields": [],
      "table": false,
      "tojson": true
    },
    {
      "name": "icosa0",
      "title": "Polyeders derived from the Icosahedron (icosa0) by sequential triangulation of surface triangles",
      "object": "polyeders",
      "class": [
        "list"
      ],
      "fields": [],
      "table": false,
      "tojson": true
    },
    {
      "name": "icosa1",
      "title": "Polyeders derived from the Icosahedron (icosa0) by sequential triangulation of surface triangles",
      "object": "polyeders",
      "class": [
        "list"
      ],
      "fields": [],
      "table": false,
      "tojson": true
    },
    {
      "name": "icosa2",
      "title": "Polyeders derived from the Icosahedron (icosa0) by sequential triangulation of surface triangles",
      "object": "polyeders",
      "class": [
        "list"
      ],
      "fields": [],
      "table": false,
      "tojson": true
    },
    {
      "name": "icosa3",
      "title": "Polyeders derived from the Icosahedron (icosa0) by sequential triangulation of surface triangles",
      "object": "polyeders",
      "class": [
        "list"
      ],
      "fields": [],
      "table": false,
      "tojson": true
    },
    {
      "name": "icosa4",
      "title": "Polyeders derived from the Icosahedron (icosa0) by sequential triangulation of surface triangles",
      "object": "polyeders",
      "class": [
        "list"
      ],
      "fields": [],
      "table": false,
      "tojson": true
    },
    {
      "name": "optgrad",
      "title": "Optimal gradient directions",
      "object": "optgradients",
      "class": [
        "list"
      ],
      "fields": [],
      "table": false,
      "tojson": true
    }
  ],
  "_help": [
    {
      "page": "dti-package",
      "title": "Analysis of Diffusion Weighted Imaging (DWI) Data",
      "topics": [
        "dti-package",
        "dti"
      ]
    },
    {
      "page": "AdjacencyMatrix",
      "title": "Create an adjacency matrix from fiber tracking results",
      "topics": [
        "AdjacencyMatrix"
      ]
    },
    {
      "page": "awssigmc",
      "title": "Estimate noise variance for multicoil MR systems",
      "topics": [
        "aflsigmc",
        "afsigmc",
        "awslsigmc",
        "awssigmc"
      ]
    },
    {
      "page": "colqFA",
      "title": "FA map color scheme",
      "topics": [
        "colqFA"
      ]
    },
    {
      "page": "combineDWIdata",
      "title": "Combine two objects of class \"dtiData\")",
      "topics": [
        "combineDWIdata"
      ]
    },
    {
      "page": "dkiTensor-methods",
      "title": "Diffusion Kurtosis Imaging (DKI)",
      "topics": [
        "dkiIndices",
        "dkiIndices,ANY-method",
        "dkiIndices,dkiTensor-method",
        "dkiIndices-methods",
        "dkiTensor",
        "dkiTensor,ANY-method",
        "dkiTensor,dtiData-method",
        "dkiTensor-methods"
      ]
    },
    {
      "page": "dti.options",
      "title": "Set and manipulate image orientations for plots.",
      "topics": [
        "dti.options"
      ]
    },
    {
      "page": "dti.smooth-methods",
      "title": "Methods for Function `dti.smooth' in Package `dti'",
      "topics": [
        "dti.smooth",
        "dti.smooth,ANY-method",
        "dti.smooth,dtiData-method",
        "dti.smooth,dtiTensor-method",
        "dti.smooth-methods"
      ]
    },
    {
      "page": "dtiIndices-methods",
      "title": "Methods for Function `dtiIndices' in Package `dti'",
      "topics": [
        "dtiIndices",
        "dtiIndices,ANY-method",
        "dtiIndices,dtiTensor-method",
        "dtiIndices-methods"
      ]
    },
    {
      "page": "dtiTensor-methods",
      "title": "Methods for Function `dtiTensor' in Package `dti'",
      "topics": [
        "dtiTensor",
        "dtiTensor,ANY-method",
        "dtiTensor,dtiData-method",
        "dtiTensor-methods"
      ]
    },
    {
      "page": "dti-class",
      "title": "Class \"dwi\"",
      "topics": [
        "dkiIndices-class",
        "dkiTensor-class",
        "dtiData-class",
        "dtiIndices-class",
        "dtiTensor-class",
        "dwi-class",
        "dwiFiber-class",
        "dwiMixtensor-class",
        "dwiQball-class"
      ]
    },
    {
      "page": "dwi.smooth-methods",
      "title": "Smooth DWI data",
      "topics": [
        "dwi.smooth",
        "dwi.smooth,ANY-method",
        "dwi.smooth,dtiData-method",
        "dwi.smooth-methods",
        "dwi.smooth.ms",
        "dwi.smooth.ms,ANY-method",
        "dwi.smooth.ms,dtiData-method"
      ]
    },
    {
      "page": "dwiMD-methods",
      "title": "Methods for Mean Diffusivity in Package `dti'",
      "topics": [
        "dwiMD",
        "dwiMD,ANY-method",
        "dwiMD,dtiData-method",
        "dwiMD,dtiTensor-method"
      ]
    },
    {
      "page": "dwiMixtensor-methods",
      "title": "Methods for Function `dwiMixtensor' in Package `dti'",
      "topics": [
        "dwiMixtensor",
        "dwiMixtensor,ANY-method",
        "dwiMixtensor,dtiData-method",
        "dwiMixtensor-methods",
        "dwiMtCombine",
        "dwiMtCombine,ANY-method",
        "dwiMtCombine,dwiMixtensor,dwiMixtensor-method",
        "dwiMtCombine-methods"
      ]
    },
    {
      "page": "dwiQball-methods",
      "title": "Methods for Function `dwiQball' in Package `dti'",
      "topics": [
        "dwiQball",
        "dwiQball,ANY-method",
        "dwiQball,dtiData-method",
        "dwiQball-methods"
      ]
    },
    {
      "page": "dwiRiceBias-methods",
      "title": "Correction for Rician Bias",
      "topics": [
        "dwiRiceBias",
        "dwiRiceBias,ANY-method",
        "dwiRiceBias,dtiData-method",
        "dwiRiceBias-methods"
      ]
    },
    {
      "page": "dwiSqrtODF-methods",
      "title": "Methods for positive definite EAP and ODF estimation in Package 'dti'",
      "topics": [
        "dwiSqrtODF",
        "dwiSqrtODF,ANY-method",
        "dwiSqrtODF,dtiData-method",
        "dwiSqrtODF-methods"
      ]
    },
    {
      "page": "extract-methods",
      "title": "Methods for Function `extract' and `[' in Package `dti'",
      "topics": [
        "extract",
        "extract,ANY-method",
        "extract,dtiData-method",
        "extract,dtiIndices-method",
        "extract,dtiTensor-method",
        "extract,dwiMixtensor-method",
        "extract,dwiQball-method",
        "extract-methods",
        "[,ANY-method",
        "[,dkiIndices-method",
        "[,dkiTensor-method",
        "[,dtiData-method",
        "[,dtiIndices-method",
        "[,dtiTensor-method",
        "[,dwiMixtensor-method",
        "[,dwiQball-method",
        "[-methods"
      ]
    },
    {
      "page": "getmask-methods",
      "title": "Methods for Function `getmask' in Package `dti'",
      "topics": [
        "getmask",
        "getmask,ANY-method",
        "getmask,array-method",
        "getmask,dtiData-method",
        "getmask-methods"
      ]
    },
    {
      "page": "getsdofsb-methods",
      "title": "Estimate the noise standard deviation",
      "topics": [
        "getsdofsb",
        "getsdofsb,ANY-method",
        "getsdofsb,dtiData-method",
        "getsdofsb-methods"
      ]
    },
    {
      "page": "medinria",
      "title": "Read/Write Diffusion Tensor Data from/to NIFTI File",
      "topics": [
        "MedINRIA",
        "medinria",
        "medinria2tensor",
        "tensor2medinria"
      ]
    },
    {
      "page": "optgrad",
      "title": "Optimal gradient directions",
      "topics": [
        "optgrad"
      ]
    },
    {
      "page": "optgradients",
      "title": "Optimal gradient directions for number of gradients between 6 and 162",
      "topics": [
        "optgradients"
      ]
    },
    {
      "page": "plot-methods",
      "title": "Methods for Function `plot' in Package `dti'",
      "topics": [
        "plot,ANY-method",
        "plot,dkiIndices-method",
        "plot,dtiData-method",
        "plot,dtiIndices-method",
        "plot,dtiTensor-method",
        "plot,dwi-method",
        "plot,dwiFiber-method",
        "plot,dwiMixtensor-method",
        "plot-methods"
      ]
    },
    {
      "page": "polyeder",
      "title": "Polyeders derived from the Icosahedron (icosa0) by sequential triangulation of surface triangles",
      "topics": [
        "icosa0",
        "icosa1",
        "icosa2",
        "icosa3",
        "icosa4",
        "polyeder"
      ]
    },
    {
      "page": "print-methods",
      "title": "Methods for Function `print' in Package `dti'",
      "topics": [
        "print,ANY-method",
        "print,dkiIndices-method",
        "print,dkiTensor-method",
        "print,dtiData-method",
        "print,dtiIndices-method",
        "print,dtiTensor-method",
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