age.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>img</code> - Matrix of the type CV_8U containing an image where HOG features will be calculated.</dd>
<dd><code>descriptors</code> - Matrix of the type CV_32F</dd>
<dd><code>winStride</code> - Window stride. It must be a multiple of block stride.</dd>
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