|
 |
| Flatbed scanners |
| |
 |
 |
|
Face-down scanning on a flat base placing stress on bindings. |
|
|
| |
 |
|
Books must be lifted to turn pages. |
|
|
| |
 |
|
Books must be correctly positioned for every scan. |
|
|
| |
 |
|
Images are distorted near the page binding, characterized by a dark shaded region. |
|
| |
|
|
|
|
| |
|
|
|
|
|
|
|
 |
| Overhead scanners |
| |
 |
 |
|
Face-up scanning. Books must be
fully opened at 180. |
|
|
| |
 |
|
The center of the book (page binding) creeps from left to right as the pages are turned resulting in margin crawl. |
|
|
| |
 |
|
User must use fingers to flatten pages and keep them from flapping. |
|
|
| |
 |
|
Images suffer from curved text lines. |
|
|
|
|
 |
| BookDrive DIY |
| |
 |
 |
|
Face-up scanning. Books are partially
opened on a v-shaped cradle. |
|
|
| |
 |
|
The auto-centering cradle and platen act to gently sandwich the book, keeping pages flat and eliminating margin crawl. |
|
|
| |
 |
|
Further handling is not required. |
|
|
| |
 |
|
High-resolution digital SLR cameras
capture sharp, curvature-free images. |
|
| |
|
|
|
|
| |
|
|
|
|
|
|
|