How is digital image prosseing of photograph relatedto bitmapped painting?

 The digital image processing of photograph related to bit mapping painting as, virtual image is a point or the system of points, on the one side of lens and mirror, which if it existed and emit the system from the rays, which actually exist on the other side of the lens and mirror.  

Bit mapping painting is the most common form to represented the natural image and other forms of graphic designs. Bitmap images is the process where graphics is stored in computer as video memory. The term bitmap refers to a pattern of bits in a pixel map to a specific colors.

sory but complete the question