PowerPoint ²³ø
The revealed image can not be recognized clearly because :
- All results were shown by the transparencies when xeroxing or using laser writer, the heat produced in the printing processing will distort the plastic in transparencies.
- The projected image on the screen will be damaged due to the copied transparency and the lumens of the overhead projector.
- So for real application (k, n) VSS scheme using transparency as the shadow material is not practical. The revealed image will be more indistinguishable for large k, such as 4, 5, or more, due to the alignment of these transparencies.
(2) size of each pixel „^
(3) the best way : try by yourself