.. _sphx_glr_auto_examples_transform:

Geometrical transformations and registration
--------------------------------------------



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    <div class="sphx-glr-thumbnails">


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    <div class="sphx-glr-thumbcontainer" tooltip="Image swirling is a non-linear image deformation that creates a whirlpool effect.  This example...">

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  .. image:: /auto_examples/transform/images/thumb/sphx_glr_plot_swirl_thumb.png
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  :ref:`sphx_glr_auto_examples_transform_plot_swirl.py`

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      <div class="sphx-glr-thumbnail-title">Swirl</div>
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    <div class="sphx-glr-thumbcontainer" tooltip="This example illustrates the different edge modes available during interpolation in routines su...">

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  .. image:: /auto_examples/transform/images/thumb/sphx_glr_plot_edge_modes_thumb.png
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  :ref:`sphx_glr_auto_examples_transform_plot_edge_modes.py`

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      <div class="sphx-glr-thumbnail-title">Interpolation: Edge Modes</div>
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    <div class="sphx-glr-thumbcontainer" tooltip="Rescale operation resizes an image by a given scaling factor. The scaling factor can either be ...">

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  .. image:: /auto_examples/transform/images/thumb/sphx_glr_plot_rescale_thumb.png
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  :ref:`sphx_glr_auto_examples_transform_plot_rescale.py`

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      <div class="sphx-glr-thumbnail-title">Rescale, resize, and downscale</div>
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    <div class="sphx-glr-thumbcontainer" tooltip="The pyramid_gaussian function takes an image and yields successive images shrunk by a constant ...">

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  .. image:: /auto_examples/transform/images/thumb/sphx_glr_plot_pyramid_thumb.png
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  :ref:`sphx_glr_auto_examples_transform_plot_pyramid.py`

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      <div class="sphx-glr-thumbnail-title">Build image pyramids</div>
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    <div class="sphx-glr-thumbcontainer" tooltip="This example shows how to use the Piecewise Affine Transformation.">

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  .. image:: /auto_examples/transform/images/thumb/sphx_glr_plot_piecewise_affine_thumb.png
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  :ref:`sphx_glr_auto_examples_transform_plot_piecewise_affine.py`

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      <div class="sphx-glr-thumbnail-title">Piecewise Affine Transformation</div>
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    <div class="sphx-glr-thumbcontainer" tooltip="In this example, we will see how to use geometric transformations in the context of image proce...">

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  .. image:: /auto_examples/transform/images/thumb/sphx_glr_plot_geometric_thumb.png
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  :ref:`sphx_glr_auto_examples_transform_plot_geometric.py`

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      <div class="sphx-glr-thumbnail-title">Using geometric transformations</div>
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    <div class="sphx-glr-thumbcontainer" tooltip="When comparing images, the mean squared error (MSE)--while simple to implement--is not highly i...">

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  .. image:: /auto_examples/transform/images/thumb/sphx_glr_plot_ssim_thumb.png
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  :ref:`sphx_glr_auto_examples_transform_plot_ssim.py`

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      <div class="sphx-glr-thumbnail-title">Structural similarity index</div>
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    <div class="sphx-glr-thumbcontainer" tooltip="Homographies are transformations of a Euclidean space that preserve the alignment of points. Sp...">

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  .. image:: /auto_examples/transform/images/thumb/sphx_glr_plot_transform_types_thumb.png
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  :ref:`sphx_glr_auto_examples_transform_plot_transform_types.py`

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      <div class="sphx-glr-thumbnail-title">Types of homographies</div>
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    <div class="sphx-glr-thumbcontainer" tooltip="This example demonstrates how to robustly estimate epipolar geometry &lt;https://en.wikipedia.org/...">

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  .. image:: /auto_examples/transform/images/thumb/sphx_glr_plot_fundamental_matrix_thumb.png
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  :ref:`sphx_glr_auto_examples_transform_plot_fundamental_matrix.py`

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      <div class="sphx-glr-thumbnail-title">Fundamental matrix estimation</div>
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    <div class="sphx-glr-thumbcontainer" tooltip="In this example we see how to robustly fit a line model to faulty data using the RANSAC (random...">

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  .. image:: /auto_examples/transform/images/thumb/sphx_glr_plot_ransac_thumb.png
    :alt:

  :ref:`sphx_glr_auto_examples_transform_plot_ransac.py`

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      <div class="sphx-glr-thumbnail-title">Robust line model estimation using RANSAC</div>
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    <div class="sphx-glr-thumbcontainer" tooltip="In computed tomography, the tomography reconstruction problem is to obtain a tomographic slice ...">

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  .. image:: /auto_examples/transform/images/thumb/sphx_glr_plot_radon_transform_thumb.png
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  :ref:`sphx_glr_auto_examples_transform_plot_radon_transform.py`

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      <div class="sphx-glr-thumbnail-title">Radon transform</div>
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    <div class="sphx-glr-thumbcontainer" tooltip="In this simplified example we first generate two synthetic images as if they were taken from di...">

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  .. image:: /auto_examples/transform/images/thumb/sphx_glr_plot_matching_thumb.png
    :alt:

  :ref:`sphx_glr_auto_examples_transform_plot_matching.py`

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      <div class="sphx-glr-thumbnail-title">Robust matching using RANSAC</div>
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    </div>


.. toctree::
   :hidden:

   /auto_examples/transform/plot_swirl
   /auto_examples/transform/plot_edge_modes
   /auto_examples/transform/plot_rescale
   /auto_examples/transform/plot_pyramid
   /auto_examples/transform/plot_piecewise_affine
   /auto_examples/transform/plot_geometric
   /auto_examples/transform/plot_ssim
   /auto_examples/transform/plot_transform_types
   /auto_examples/transform/plot_fundamental_matrix
   /auto_examples/transform/plot_ransac
   /auto_examples/transform/plot_radon_transform
   /auto_examples/transform/plot_matching