Labels:text | screenshot | font | number | document OCR: Image Sizer Step 4: Sharpen Images to Suit the Process PHOTODISC™ Original Image Aspect Ratio: C 35mm 021/4 04× 5 Q6×7 C) Other Sharpening in the digital world Input File Size: In the analog world, image sharpness - an image's degree of clarity - is an elusive ideal O 600 Kb O 10 Mb O 28.5 Mb C) Other directly related to camera price. If you've ever compared a transparency shot taken by a high- end 35mm camera to that taken by an "average" one, you know what we mean. But when the Image Dimensions: 2796 by 3567 pixels image is captured digitally (by digital camera or scanner), the tonal gradations of the image are converted into a grid of pixels that almost always needs to be, and can be, enhanced Enlargement/Reduction through digital sharpening. Fortunately, in the digital world this is relatively easy to do. Scale To 100.0 Resample Today most image-processing programs have sharpening built in, thereby offering an Output Format: Raster inexpensive means to render images exactly the way you want. Determining how much Resolution: 300 sharpening is needed, however, requires input from the user, because it's subjective, and the pixels per amount of sharpening required can change relative to the image, its size and the output Final Image Dimensions process being used. 9.32 by 11.89 in 3 color C 4 color Data size: 28.5 Mbytes Unsharp masking The commonly used term "unsharp masking" is a holdover from traditional photographic The PhotoDisc ImageSizer processes used by color separators: a special piece of film was prepared that rendered an The PhotoDisc ImageSizer is a software calculator to help you determine how large you image purposely blurry; when combined with the original negative it increased contrast can display your digital images and still maintain an acceptable degree of quality. The along areas where the tones abruptly shifted. Today most scanners and software programs ImageSizer and its operating instructions are included on the ColorGuide disc. analyze only the digital information, not the actual image. 20 21
