Understanding Scanners/Color image | Index | Home |
Only 256 colors can be displayed on the notebook PC |
A high resolution image displayed on a 256-color screen |
When only 256 colors can be displayed due to hardware limitations, the image quality cannot be expected to be reproduced even if 24-bit full colors are imported. |
Nonetheless, the 256 color constraint is imposed only on the monitor; the printer can reproduce the full range of colors. |
For printouts, the image type must be set for the 24-bit colors before scanning the image. |
Scan images for the Web at 256. By doing this, the file size will be made smaller and use less hard disk space. For images that contains a large quantity of the same color, an acceptable and pleasing image can be reproduced with 256 colors. |
Alternatively, use the JPEG file format. The data compression rate for 256 colors is 1/3, but with JPEG files, a compression rate of 1/10 is possible with little image deterioration. |
Compare:Understanding Printers/Image looks good when printed, but poor on the monitor |