.. _sphx_glr_auto_examples_color_exposure:

Manipulating exposure and color channels
----------------------------------------



.. raw:: html

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


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    <div class="sphx-glr-thumbcontainer" tooltip="This example converts an image with RGB channels into an image with a single grayscale channel.">

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  .. image:: /auto_examples/color_exposure/images/thumb/sphx_glr_plot_rgb_to_gray_thumb.png
    :alt:

  :ref:`sphx_glr_auto_examples_color_exposure_plot_rgb_to_gray.py`

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      <div class="sphx-glr-thumbnail-title">RGB to grayscale</div>
    </div>


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    <div class="sphx-glr-thumbcontainer" tooltip="This example illustrates how RGB to HSV (Hue, Saturation, Value) conversion [1]_ can be used to...">

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  .. image:: /auto_examples/color_exposure/images/thumb/sphx_glr_plot_rgb_to_hsv_thumb.png
    :alt:

  :ref:`sphx_glr_auto_examples_color_exposure_plot_rgb_to_hsv.py`

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      <div class="sphx-glr-thumbnail-title">RGB to HSV</div>
    </div>


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    <div class="sphx-glr-thumbcontainer" tooltip="This example demonstrates the feature of histogram matching. It manipulates the pixels of an in...">

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  .. image:: /auto_examples/color_exposure/images/thumb/sphx_glr_plot_histogram_matching_thumb.png
    :alt:

  :ref:`sphx_glr_auto_examples_color_exposure_plot_histogram_matching.py`

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      <div class="sphx-glr-thumbnail-title">Histogram matching</div>
    </div>


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    <div class="sphx-glr-thumbcontainer" tooltip="There are many filters that are designed to work with gray-scale images but not with color imag...">

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  .. image:: /auto_examples/color_exposure/images/thumb/sphx_glr_plot_adapt_rgb_thumb.png
    :alt:

  :ref:`sphx_glr_auto_examples_color_exposure_plot_adapt_rgb.py`

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      <div class="sphx-glr-thumbnail-title">Adapting gray-scale filters to RGB images</div>
    </div>


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    <div class="sphx-glr-thumbcontainer" tooltip="Here, we use morphological reconstruction to create a background image, which we can subtract f...">

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  .. image:: /auto_examples/color_exposure/images/thumb/sphx_glr_plot_regional_maxima_thumb.png
    :alt:

  :ref:`sphx_glr_auto_examples_color_exposure_plot_regional_maxima.py`

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      <div class="sphx-glr-thumbnail-title">Filtering regional maxima</div>
    </div>


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    <div class="sphx-glr-thumbcontainer" tooltip="Color deconvolution consists in the separation of features by their colors.">

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  .. image:: /auto_examples/color_exposure/images/thumb/sphx_glr_plot_ihc_color_separation_thumb.png
    :alt:

  :ref:`sphx_glr_auto_examples_color_exposure_plot_ihc_color_separation.py`

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      <div class="sphx-glr-thumbnail-title">Separate colors in immunohistochemical staining</div>
    </div>


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    <div class="sphx-glr-thumbcontainer" tooltip="This example adjusts image contrast by performing a Gamma and a Logarithmic correction on the i...">

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  .. image:: /auto_examples/color_exposure/images/thumb/sphx_glr_plot_log_gamma_thumb.png
    :alt:

  :ref:`sphx_glr_auto_examples_color_exposure_plot_log_gamma.py`

.. raw:: html

      <div class="sphx-glr-thumbnail-title">Gamma and log contrast adjustment</div>
    </div>


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    <div class="sphx-glr-thumbcontainer" tooltip="This examples enhances an image with low contrast, using a method called histogram equalization...">

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  .. image:: /auto_examples/color_exposure/images/thumb/sphx_glr_plot_equalize_thumb.png
    :alt:

  :ref:`sphx_glr_auto_examples_color_exposure_plot_equalize.py`

.. raw:: html

      <div class="sphx-glr-thumbnail-title">Histogram Equalization</div>
    </div>


.. raw:: html

    <div class="sphx-glr-thumbcontainer" tooltip="It can be useful to artificially tint an image with some color, either to highlight particular ...">

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  .. image:: /auto_examples/color_exposure/images/thumb/sphx_glr_plot_tinting_grayscale_images_thumb.png
    :alt:

  :ref:`sphx_glr_auto_examples_color_exposure_plot_tinting_grayscale_images.py`

.. raw:: html

      <div class="sphx-glr-thumbnail-title">Tinting gray-scale images</div>
    </div>


.. raw:: html

    <div class="sphx-glr-thumbcontainer" tooltip="This example enhances an image with low contrast, using a method called local histogram equaliz...">

.. only:: html

  .. image:: /auto_examples/color_exposure/images/thumb/sphx_glr_plot_local_equalize_thumb.png
    :alt:

  :ref:`sphx_glr_auto_examples_color_exposure_plot_local_equalize.py`

.. raw:: html

      <div class="sphx-glr-thumbnail-title">Local Histogram Equalization</div>
    </div>


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    <div class="sphx-glr-thumbcontainer" tooltip="Adaptive histogram equalization (AHE) can be used to improve the local contrast of an image [1]...">

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  .. image:: /auto_examples/color_exposure/images/thumb/sphx_glr_plot_adapt_hist_eq_3d_thumb.png
    :alt:

  :ref:`sphx_glr_auto_examples_color_exposure_plot_adapt_hist_eq_3d.py`

.. raw:: html

      <div class="sphx-glr-thumbnail-title">3D adaptive histogram equalization</div>
    </div>


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    </div>


.. toctree::
   :hidden:

   /auto_examples/color_exposure/plot_rgb_to_gray
   /auto_examples/color_exposure/plot_rgb_to_hsv
   /auto_examples/color_exposure/plot_histogram_matching
   /auto_examples/color_exposure/plot_adapt_rgb
   /auto_examples/color_exposure/plot_regional_maxima
   /auto_examples/color_exposure/plot_ihc_color_separation
   /auto_examples/color_exposure/plot_log_gamma
   /auto_examples/color_exposure/plot_equalize
   /auto_examples/color_exposure/plot_tinting_grayscale_images
   /auto_examples/color_exposure/plot_local_equalize
   /auto_examples/color_exposure/plot_adapt_hist_eq_3d