Lines Matching full:sigmoidal
1089 <td>sigmoidal non-lineraity contrast control. Increase the contrast of the image using a sigmoidal transfer function without saturating highlights or shadows. <var>Contrast</var> indicates how much to increase the contrast (0 is none; 3 is typical; 20 is a lot); <var>mid-point</var> indicates where midtones fall in the resultant image (0 is white; 50% is middle-gray; 100% is black). To decrease contrast, set sharpen to False.</td>
