Retrospective Illumination Correction of Retinal Images

<table class="table-group" id="tab2"><tr><td><table class="table"><tr><td class="thead-hr" colspan="4"><hr/></td></tr><tr class="thead"><td align="center" colspan="4">GD, 50 bins</td></tr><tr><td class="thead-hr" colspan="4"><hr/></td></tr><tr><td align="left">coverage</td><td align="center">0.15</td><td align="center">0.5</td><td align="center">1</td></tr><tr><td align="left"><span style="width: 28.7125px;"><svg height="19.637501" id="M91" style="vertical-align:-5.56921pt" version="1.1" viewbox="0 0 28.7125 19.637501" width="28.7125" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
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t-76 -68.5l-22 20q60 69 60 111q0 21 -14 34t-55 22q-21 4 -63 16q-68 19 -101.5 52.5t-33.5 96.5q0 125 157 206q-27 10 -46 36t-19 58q0 84 103 152q-43 3 -71.5 21t-28.5 45q0 37 65 59l17 -6q-9 -14 -9 -33q0 -21 17.5 -36t51.5 -19q82 53 147 53q18 0 18 -17z" id="x1D709"></path></g>
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</svg></span></td><td align="center"><b>0.09</b></td><td align="center"><b>0.09</b></td><td align="center"><b>0.09</b></td></tr><tr><td align="left"><i>t</i> [s]</td><td align="center">45.8</td><td align="center">46.1</td><td align="center">212</td></tr><tr><td align="left"><span style="width: 14.9875px;"><svg height="11.3125" id="M92" style="vertical-align:-0.1092pt" version="1.1" viewbox="0 0 14.9875 11.3125" width="14.9875" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
<g transform="matrix(.017,-0,0,-.017,.062,11.113)"><path d="M857 650l-6 -28q-44 -4 -61.5 -16.5t-29.5 -48.5q-11 -32 -37 -166l-78 -399h-29l-351 537h-4l-56 -276q-24 -120 -24 -164q0 -35 17.5 -46t75.5 -15l-6 -28h-245l7 28q41 2 62 14t31 44q10 30 41 171l53 245q8 44 6.5 60.5t-14.5 33.5q-10 15 -27 19.5t-64 6.5l6 28h153
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</svg></span></td><td align="center">57.4</td><td align="center">57.5</td><td align="center">67.6</td></tr><tr class="table-tr"><td colspan="4"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

Influence of different number of samples used for entropy evaluation on the algorithm precision and speed.

International Journal of Biomedical Imaging

Retrospective Illumination Correction of Retinal Images

Table 2