 used for acceleration can be selected by environment
variable <strong>OPENCV_OPENCL_DEVICE</strong> which takes a value such as
<strong>Intel:GPU:0</strong> See OpenCV documentation for details.</p>

<h2 id="REFERENCES">REFERENCES</h2>

<p>The algorithm used for combining images is described in <strong>Complex
Wavelets for Extended Depth-of-Field: A New Method for the Fusion of
Multichannel Microscopy Images</strong> by B. Forster, D. Van De Ville, J.
Berent, D. Sage and M. Unser.</p>

<h2 id="REPORTING-BU