Half tonning Technique:

1. Newspaper, photographs simulate a grey-scale image that can printed using only black ink.

2. A newspaper picture is, in fact, made up of a pattern of tiny black dots of varying size.

3. The human visual system has a tendency to average brightness over small areas, so the black …

Halftoning Technique:-

The process of generating a binary pattern of black and white dots from an image is termed halftoning. In traditional newspaper and magazine production, this process is carried out photographically by projection of a transparency through a 'halftone screen' onto film. The pictures produced by halftoning process …