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Examples
========

End-to-end examples demonstrating PyGROG's API for non-Cartesian MRI
reconstruction using GROG-accelerated sparse FFT operators.


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    <div class="sphx-glr-thumbcontainer" tooltip="This example follows a realistic non-Cartesian pipeline:">

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  .. image:: /generated/autoexamples/images/thumb/sphx_glr_example01_basic_usage_thumb.png
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  :doc:`/generated/autoexamples/example01_basic_usage`

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      <div class="sphx-glr-thumbnail-title">Basic Usage: mri-nufft Baseline vs PyGROG</div>
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  :doc:`/generated/autoexamples/example02_stacked`

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      <div class="sphx-glr-thumbnail-title">Batched and Stacked Reconstructions with PyGROG</div>
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    <div class="sphx-glr-thumbcontainer" tooltip="This example uses a common data pipeline for both PyGROG gadgets:">

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  :doc:`/generated/autoexamples/example03_gadgets`

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      <div class="sphx-glr-thumbnail-title">Gadgets with mri-nufft Data: Subspace and B0 ORC</div>
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    <div class="sphx-glr-thumbcontainer" tooltip="This example introduces two utility routines from pygrog.utils:">

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  :doc:`/generated/autoexamples/example04_calibration`

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      <div class="sphx-glr-thumbnail-title">Utils Tour: Coil Compression and NLINV</div>
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    <div class="sphx-glr-thumbcontainer" tooltip="This example demonstrates the solve method exposed on every PyGROG operator (``SparseFFT``, MaskedFFT and their pygrog.gadgets decorators), and the pygrog.PolynomialPreconditioner accelerator.">

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  .. image:: /generated/autoexamples/images/thumb/sphx_glr_example05_solvers_thumb.png
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  :doc:`/generated/autoexamples/example05_solvers`

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      <div class="sphx-glr-thumbnail-title">Iterative Solve: CG, LSMR, and Polynomial Preconditioning</div>
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    <div class="sphx-glr-thumbcontainer" tooltip="Iterative reconstructions (CG, FISTA) repeatedly evaluate the normal operator A^H A.  PyGROG ships a Toeplitz-embedded short-circuit: op.normal(image) builds a small PSF once and replaces every forward+adjoint NUFFT pair by a pad → FFT → multiply → IFFT → crop sequence.">

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  :doc:`/generated/autoexamples/example06_toeplitz`

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      <div class="sphx-glr-thumbnail-title">Toeplitz-Embedded Self-Adjoint A^H A for SparseFFT Gadgets</div>
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    <div class="sphx-glr-thumbcontainer" tooltip="PyGROG ships native adapters for the full preprocessing chain:">

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  :doc:`/generated/autoexamples/example07_interoperability`

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      <div class="sphx-glr-thumbnail-title">End-to-end CS reconstruction with sigpy, deepinv and mrpro</div>
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.. toctree::
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   /generated/autoexamples/example01_basic_usage
   /generated/autoexamples/example02_stacked
   /generated/autoexamples/example03_gadgets
   /generated/autoexamples/example04_calibration
   /generated/autoexamples/example05_solvers
   /generated/autoexamples/example06_toeplitz
   /generated/autoexamples/example07_interoperability


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      :download:`Download all examples in Python source code: autoexamples_python.zip </generated/autoexamples/autoexamples_python.zip>`

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      :download:`Download all examples in Jupyter notebooks: autoexamples_jupyter.zip </generated/autoexamples/autoexamples_jupyter.zip>`


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    `Gallery generated by Sphinx-Gallery <https://sphinx-gallery.github.io>`_