Changes for page Extension tvb-ext-xircuits
Last modified by teodoramisan on 2026/02/13 10:11
From version 77.2
edited by teodoramisan
on 2026/02/13 10:05
on 2026/02/13 10:05
Change comment:
There is no comment for this version
To version 81.1
edited by teodoramisan
on 2026/02/13 10:11
on 2026/02/13 10:11
Change comment:
There is no comment for this version
Summary
-
Page properties (1 modified, 0 added, 0 removed)
Details
- Page properties
-
- Content
-
... ... @@ -193,11 +193,14 @@ 193 193 194 194 === 2. Full VBI Inference workflow === 195 195 196 -Contains all VBI components required to run an inference workflow, from prior sampling and simulation to posterior training and posterior sampling. 196 +Contains all VBI components required to run an inference workflow, from __prior sampling__ and __simulation__ to __posterior training__ and __posterior sampling__. 197 197 198 -The workflow starts with **ConfigInference**, which builds the configuration inputs needed by the workflow. It samples parameter values from the prior distribution to generate theta and prepares the feature-extraction configuration (cfg) used later in the pipeline. 199 - 198 +The workflow starts with **ConfigInference**, which builds the configuration inputs needed by the workflow. It samples parameter values from the prior distribution to generate __theta__ and prepares the feature-extraction configuration (__cfg__) used later in the pipeline. 200 200 200 +Next, **SimulationRunner** executes the selected **VBI model** for a batch of parameter samples (theta) using the chosen backend (//cpp//, //cupy// or //numba//). It selects the requested output signal from the model result and extracts the summary features defined in cfg, producing the __feature matrix__ used for training. 201 + 202 +The resulting features and parameter samples are then passed to **TrainPosterior**, which standardizes the feature matrix with //StandardScaler //and trains a posterior distribution using an SBI method (//SNPE//, //SNLE//, or //SNRE//). In the last step, **SamplePosterior** draws parameter samples from the trained posterior distribution, conditioned on the selected observed feature vector. 203 + 201 201 [[image:vbi_workflow.png||height="590" width="1100"]] 202 202 203 203 === 3. Configuring model parameters using the PhasePlaneWidget: ===