Canon CanoScan D660U ScanGear CS-U 5.8 User's Guide - Page 48
Black-point, Mid-point, White-point, Eyedroppers Black-point, Reset
View all Canon CanoScan D660U manuals
Add to My Manuals
Save this manual to your list of manuals |
Page 48 highlights
chapter 4 What is on the Screen? Top Page Glossary Contents Index Eyedroppers (Black-point, Mid-point, White-point) Click one of the three eyedroppers then click the portion of the image in the Preview Area that you want to sample, or enter values in the text boxes, or drag one of the three triangles at the bottom of the graph to adjust the value. The shape of the tone curve and histogram changes to reflect the current Histogram setting for the current Channel, and the image in the Preview Area changes to reflect the adjustment. A White-point value must be larger than a Black-point, and a Mid-point value must be between the BlackNote point and White-point. Reset Resets the default values: • Black-point: 0 • Mid-point: 128 • White-point: 255 48