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    <DIV class="Bspace4">
    <em>December 01, 1998</em><BR>
    
        <h3>A Balanced Dithering Technique</h3>
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        <div class=PageNumbers>
           (Page <a href="/cpp/184403590?pgno=9">9</a> of 
          <a href="/cpp/184403590?pgno=9">9</a>)<br>
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<TITLE>December 1998/A Balanced Dithering Technique/Table 2</TITLE></HEAD>
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<h4><A NAME="heading1">Table 2:	Limited accumulation of quantization error with weighting</A></h4>
<P>
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<tr>
<td colspan=4><b>Quantization error list</b></td>
<td><b>source pixel</b></td>
<td><b>adjusted pixel</b></td>
<td><b>quantized pixel</b></td>
</tr>
<tr>
<td align=right>0</td>
<td align=right>0</td>
<td align=right>0</td>
<td align=right>0</td>
<td align=right>128</td>
<td align=right>128</td>
<td align=right>255</td>
</tr>
<tr>
<td align=right>0</td>
<td align=right>0</td>
<td align=right>0</td>
<td align=right>-127</td>
<td align=right>128</td>
<td align=right>1</td>
<td align=right>0</td>
</tr>
<tr>
<td align=right>0</td>
<td align=right>0</td>
<td align=right>-127</td>
<td align=right>128</td>
<td align=right>128</td>
<td align=right>176</td>
<td align=right>255</td>
</tr>
<tr>
<td align=right>0</td>
<td align=right>-127</td>
<td align=right>128</td>
<td align=right>-127</td>
<td align=right>128</td>
<td align=right>30</td>
<td align=right>0</td>
</tr>
<tr>
<td align=right>-127</td>
<td align=right>128</td>
<td align=right>-127</td>
<td align=right>128</td>
<td align=right>128</td>
<td align=right>195</td>
<td align=right>255</td>
</tr>
<td align=right>128</td>
<td align=right>-127</td>
<td align=right>128</td>
<td align=right>-127</td>
<td align=right>128</td>
<td align=right>63</td>
<td align=right>0</td>
</tr>
<tr>
<td colspan=4>weights</td>
</tr>
<tr>
<td>0.25</td>
<td>0.40</td>
<td>0.63</td>
<td>1.0</td>
</tr>
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