h2>Contents</h2>
         <div>
            <ul>
               <li><a href="#3">Load an image, and downsample to a size appropriate for the machine speed.</a></li>
               <li><a href="#8">Synthetic images.</a></li>
               <li><a href="#9">Point operations (lookup tables):</a></li>
               <li><a href="#10">histogram Modification/matching:</a></li>
               <li><a href="#11">Convolution routines:</a></li>
               <li><a href="#12">Compare speed of convolution/downsampling