Pen and paper frame 1.

(pap1)

The original image

(pap1and1)

Result of ANDing pap1 and pap2.

(pap1and2)

Result of ANDing pap1 and pap3.

(pap1xor1)

Result of XORing pap1 and pap3.

(pap1xor2)

Result of XORing pap1 and pap2.

©2003 R. Fisher, S. Perkins, A. Walker and E. Wolfart.