Chapter 7. Image Acquisition and Resolution
The final scanogram created using the exercises in Chapter 7.
There are several ways to bring an image into the computer. The two most common are photographic in nature, that is, both methods involve exposing sensors to an item or scene in the real world. The camera or scanner then writes digital data to display that image on the screen. While the sensor technology is essentially the same, a camera is made to capture scenes with depth of field, while a scanner is made to focus on and capture just one flat plane.
Photograms are made by placing objects on sensitized paper, exposing the objects and paper to ...
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