Reconstruction#

Below, an overview of all reconstruction models available on DIPY.

Note

Some reconstruction models do not have a tutorial yet

Reconstruction methods available in DIPY#

Method

Single Shell

Multi Shell

Cartesian

Paper Data Descriptions

References

DTI (SLS, WLS, NNLS)

Yes

Yes

Yes

Typical b-value = 1000 s/mm^2, maximum b-value 1200 s/mm^2 (some success up to 1500 s/mm^2)

Basser et al. [BMLeBihan94b]

DTI (RESTORE)

Yes

Yes

Yes

Typical b-value = 1000 s/mm^2, maximum b-value 1200 s/mm^2 (some success up to 1500 s/mm^2)

Chang et al. [CJP05], Chung et al. [CLH06], Yendiki et al. [YKK+14]

FwDTI

No

Yes

No

DTI-style acquisition, multiple b=0, all shells should be within maximum b-value of 1000 s/mm^2 (or 32 directions evenly distributed 500 s/mm^2 and 1500 s/mm^2 per Neto Henriques et al. [NetoHenriquesRG+17])

Pasternak et al. [PSG+09], Neto Henriques et al. [NetoHenriquesRG+17]

DKI - Standard

No

Yes

No

Dual spin echo diffusion-weighted 2D EPI images were acquired with b values of 0, 500, 1000, 1500, 2000, and 2500 s/mm^2 (max b value of 2000 suggested as sufficient in brain tissue); at least 15 directions

Jensen et al. [JHR+05]

DKI+ Constraints

No

Yes

No

None

Dela Haije et al. [DelaHaijeOzarslanF20]

DKI - Micro (WMTI)

No

Yes

No

DKI-style acquisition: at least two non-zero b shells (max b value 2000), minimum of 15 directions; typically b-values in increments of 500 from 0 to 2000, 30 directions

Fieremans et al. [FJH11], Tabesh et al. [TJAH11]

Mean Signal DKI

No

Yes

No

b-values in increments of 500 from 0 to 2000 s/mm^2, 30 directions

Neto Henriques [NetoHenriques18]

CSA

Yes

No

No

HARDI data (preferably 7T) with at least 200 diffusion images at b=3000 s/mm^2, or multi-shell data with high angular resolution

Aganj et al. [ALS+10]

Westins CSA

Yes

No

No

IVIM

No

Yes

No

low b-values are needed

Le Bihan et al. [LeBihanBL+88]

IVIM Variable Projection

No

Yes

No

Fadnavis et al. [FRF+19]

SDT

Yes

No

No

QBI-style acquisition (60-64 directions, b-value 1000 s/mm^2)

Descoteaux et al. [DDKnoscheA09]

DSI

No

No

Yes

515 diffusion encodings, b-values from 12,000 to 18,000 s/mm^2. Acceleration in subsequent studies with ~100 diffusion encoding directions in half sphere of the q-space with b-values = 1000, 2000, 3000 s/mm^2)

Wedeen et al. [WWS+08], Sotiropoulos et al. [SJX+13]

DSID

No

No

Yes

203 diffusion encodings (isotropic 3D grid points in the q-space contained within a sphere with radius 3.6), maximum b-value = 4000 s/mm^2

Canales-Rodríguez et al. [CRodriguezIMAlemanGomezMGarcia10]

GQI - GQI2

No

Yes

Yes

Fits any sampling scheme with at least one non-zero b-shell, benefits from more directions. Recommended 23 b-shells ranging from 0 to 4000 in a 258 direction grid-sampling scheme

Yeh et al. [YWT10]

SFM

Yes

Yes

No

At least 40 directions, b-value above 1000 s/mm^2

Rokem et al. [RYP+15]

Q-Ball (OPDT)

Yes

No

No

At least 64 directions, maximum b-values 3000-4000 s/mm^2, multi-shell, isotropic voxel size

Tuch [Tuc04], Descoteaux et al. [DAFD07], Tristán-Vega et al. [TristanVAFernandezW09]

SHORE

No

Yes

No

Multi-shell HARDI data (500, 1000, and 2000 s/mm^2; minimum 2 non-zero b-shells) or DSI (514 images in a cube of five lattice-units, one b=0)

Merlet and Deriche [MD13], Özarslan et al. [OzarslanKB08], Özarslan et al. [OzarslanKS+09]

MAP-MRI

No

Yes

No

Six unit sphere shells with b = 1000, 2000, 3000, 4000, 5000, 6000 s/mm^2 along 19, 32, 56, 87, 125, and 170 directions (see Olson et al. [OAM19] for candidate sub-sampling schemes)

Özarslan et al. [OzarslanKS+13], Olson et al. [OAM19]

MAP+ Constraints

No

Yes

No

Dela Haije et al. [DelaHaijeOzarslanF20]

MAPL

No

Yes

No

Multi-shell similar to WU-Minn HCP, with minimum of 60 samples from 2 shells b-value 1000 and 3000 s/mm^2

Fick et al. [FWCD16]

CSD

Yes

No

No

Minimum: 20 gradient directions and a b-value of 1000 s/mm^2; benefits additionally from 60 direction HARDI data with b-value = 3000 s/mm^2 or multi-shell

Tournier et al. [TCGC04], Tournier et al. [TCC07], Descoteaux et al. [DAFD07]

SMS/MT CSD

No

Yes

No

5 b=0, 50 directions at 3 non-zero b-shells: b=1000, 2000, 3000 s/mm^2

Jeurissen et al. [JTD+14]

FORECAST

No

Yes

No

Multi-shell 64 direction b-values of 1000, 2000 s/mm^2 as in Alexander et al. [AEA+17]. Original model used 1480 s/mm^2 with 92 directions and 36 b=0

Anderson [And05], Alexander et al. [AEA+17]

RUMBA-SD

Yes

Yes

Yes

HARDI data with 64 directions at b = 2500 s/mm^2, 3 b=0 images (full original acquisition: 256 directions on a sphere at b = 2500 s/mm^2, 36 b=0 volumes)

Canales-Rodríguez et al. [CRodriguezDS+15]

QTI

No

Yes

No

Evenly distributed geometric sampling scheme of 216 measurements, 5 b-values (50, 250, 50, 1000, 200 s/mm^2), measurement tensors of four shapes: stick, prolate, sphere, and plane

Westin et al. [WKP+16]

QTI+

No

Yes

No

At least one b=0, minimum of 39 acquisitions with spherical and linear encoding; optimal 120 (see Morez et al. [MSdenDekker+23]), ideal 217 see Table 1 in Herberthson et al. [HBH+21]

Herberthson et al. [HBH+21], Morez et al. [MSdenDekker+23]

Ball & Stick

Yes

Yes

No

Three b=0, 60 evenly distributed directions per Jones et al. [JHS99] at b-value 1000 s/mm^2

Behrens et al. [BWMJ+03]

QTau-MRI

No

Yes

No

Minimum 200 volumes of multi-spherical dMRI (multi-shell, multi-diffusion time; varying gradient directions, gradient strengths, and diffusion times)

Fick et al. [FPS+18]

Power Map

Yes

Yes

No

HARDI data with 60 directions at b-value = 3000 s/mm^2, 7 b=0 (Minimum: HARDI data with at least 30 directions)

Dell'Acqua et al. [DellAcquaLCS14]

SMT / SMT2

No

Yes

No

72 directions at each of 5 evenly spaced b-values from 0.5 to 2.5 ms/μm^2, 5 b-values from 3 to 5 ms/μm^2, 5 b-values from 5.5 to 7.5 ms/μm^2, and 3 b-values from 8 to 9 ms/μm^2 / b=0 ms/μm^2, and along 33 directions at b-values from 0.2–3 ms/μm^2 in steps of 0.2 ms/μm^2 (24 point spherical design and 9 directions identified for rapid kurtosis estimation)

Kaden et al. [KKC+16], Neto Henriques et al. [NetoHenriquesJS19]

CTI

No

Yes

No

Neto Henriques et al. [NetoHenriquesJS20], Neto Henriques et al. [NetoHenriquesJS21], Novello et al. [NNetoHenriquesI+22]

Applying positivity constraints to Q-space Trajectory Imaging (QTI+)

Applying positivity constraints to Q-space Trajectory Imaging (QTI+)

Reconstruct with Diffusion Spectrum Imaging (DSI)

Reconstruct with Diffusion Spectrum Imaging (DSI)

Reconstruction of the diffusion signal with the correlation tensor model (CTI)

Reconstruction of the diffusion signal with the correlation tensor model (CTI)

DSI Deconvolution (DSID) vs DSI

DSI Deconvolution (DSID) vs DSI

Calculate SHORE scalar maps

Calculate SHORE scalar maps

Reconstruct with Generalized Q-Sampling Imaging

Reconstruct with Generalized Q-Sampling Imaging

Continuous and analytical diffusion signal modelling with 3D-SHORE

Continuous and analytical diffusion signal modelling with 3D-SHORE

Reconstruct with Constant Solid Angle (Q-Ball)

Reconstruct with Constant Solid Angle (Q-Ball)

Reconstruction with the Sparse Fascicle Model (SFM)

Reconstruction with the Sparse Fascicle Model (SFM)

Calculate DSI-based scalar maps

Calculate DSI-based scalar maps

Reconstruction of the diffusion signal with the kurtosis tensor model (DKI)

Reconstruction of the diffusion signal with the kurtosis tensor model (DKI)

Reconstruct with Q-space Trajectory Imaging (QTI)

Reconstruct with Q-space Trajectory Imaging (QTI)

Reconstruction of the diffusion signal with DTI (single tensor) model

Reconstruction of the diffusion signal with DTI (single tensor) model

K-fold cross-validation for model comparison

K-fold cross-validation for model comparison

Crossing invariant fiber response function with FORECAST model

Crossing invariant fiber response function with FORECAST model

Local reconstruction using the Histological ResDNN

Local reconstruction using the Histological ResDNN

Reconstruction of the diffusion signal with the WMTI model (DKI-MICRO)

Reconstruction of the diffusion signal with the WMTI model (DKI-MICRO)

Using the RESTORE algorithm for robust tensor fitting

Using the RESTORE algorithm for robust tensor fitting

Using the free water elimination model to remove DTI free water contamination

Using the free water elimination model to remove DTI free water contamination

Signal Reconstruction Using Spherical Harmonics

Signal Reconstruction Using Spherical Harmonics

Reconstruction with Multi-Shell Multi-Tissue CSD

Reconstruction with Multi-Shell Multi-Tissue CSD

Continuous and analytical diffusion signal modelling with MAP-MRI

Continuous and analytical diffusion signal modelling with MAP-MRI

Reconstruction with Constrained Spherical Deconvolution model (CSD)

Reconstruction with Constrained Spherical Deconvolution model (CSD)

Intravoxel incoherent motion (IVIM)

Intravoxel incoherent motion (IVIM)

Reconstruction of Bingham Functions from ODFs

Reconstruction of Bingham Functions from ODFs

Mean signal diffusion kurtosis imaging (MSDKI)

Mean signal diffusion kurtosis imaging (MSDKI)

Reconstruction with Robust and Unbiased Model-BAsed Spherical Deconvolution (RUMBA)

Reconstruction with Robust and Unbiased Model-BAsed Spherical Deconvolution (RUMBA)

Estimating diffusion time dependent q-space indices using qt-dMRI

Estimating diffusion time dependent q-space indices using qt-dMRI