2.
IMAGE DEFECTS
2.1
Image Defect Example
1-1 Light
1-5 Dirt back of paper
1-8 Dropout
1-12Å@ Image distortion
1-2 Dark
1-6 Black vertical streaks
1-9 White vertical streaks
o
t
i n
p r
s t
t e
u t
o
t
i n
P r
o
t
i n
p r
s t
t e
u t
o
t
i n
P r
s t
t e
u t
o
t
i n
p r
s t
t e
u t
o
t
i n
p r
s t
t e
u t
o
i n
t
P r
Print out test print out test print out test Print out test print o Print out test print o
o
t
i n
p r
s t
t e
u t
o
t
i n
P r
o
i n
t
p r
s t
t e
u t
o
t
i n
P r
s t
t e
u t
o
t
i n
p r
s t
t e
u t
o
t
i n
p r
s t
t e
u t
o
t
i n
P r
Print out test print out test print out test Print out test print o Print out test print o
o
t
i n
p r
s t
t e
u t
o
t
i n
P r
o
t
i n
p r
s t
t e
u t
o
t
i n
P r
s t
t e
u t
o
t
i n
p r
s t
t e
u t
o
t
i n
p r
s t
t e
u t
o
t
i n
P r
Print out test print out test print out test Print out test print o Print out test print o
o
t
i n
p r
s t
t e
u t
o
t
i n
P r
o
i n
t
p r
s t
t e
u t
o
t
i n
P r
s t
t e
u t
o
t
i n
p r
s t
t e
u t
o
t
i n
p r
s t
t e
u t
o
t
i n
P r
Print out test print out test print out test Print out test print o Print out test print o
o
t
i n
p r
s t
t e
u t
o
t
i n
P r
o
t
i n
p r
s t
t e
u t
o
t
i n
P r
s t
t e
u t
o
t
i n
p r
s t
t e
u t
o
t
i n
p r
s t
t e
u t
o
t
i n
P r
Print out test print out test print out test Print out test print o Print out test print o
o
t
i n
p r
s t
t e
u t
o
t
i n
P r
o
i n
t
p r
s t
t e
u t
o
t
i n
P r
s t
t e
u t
o
t
i n
p r
s t
t e
u t
o
t
i n
p r
s t
t e
u t
o
i n
t
P r
Print out test print out test print out test Print out test print o Print out test print o
o
t
i n
p r
s t
t e
u t
o
t
i n
P r
o
t
i n
p r
s t
t e
u t
o
t
i n
P r
s t
t e
u t
o
t
i n
p r
s t
t e
u t
o
t
i n
p r
s t
t e
u t
o
t
i n
P r
Print out test print out test print out test Print out test print o Print out test print o
o
t
i n
p r
s t
t e
u t
o
t
i n
P r
o
t
i n
p r
s t
t e
u t
o
t
i n
P r
s t
t e
u t
o
t
i n
p r
s t
t e
u t
o
t
i n
p r
s t
t e
u t
o
i n
t
P r
Print out test print out test print out test Print out test print o Print out test print o
o
t
i n
p r
s t
t e
u t
o
t
i n
P r
o
i n
t
p r
s t
t e
u t
o
t
i n
P r
s t
t e
u t
o
t
i n
p r
s t
t e
u t
o
t
i n
p r
s t
t e
u t
o
t
i n
P r
Print out test print out test print out test Print out test print o Print out test print o
o
t
i n
p r
s t
t e
u t
o
t
i n
P r
o
i n
t
p r
s t
t e
u t
o
t
i n
P r
s t
t e
u t
o
t
i n
p r
s t
t e
u t
o
t
i n
p r
s t
t e
u t
o
i n
t
P r
Print out test print out test print out test Print out test print o Print out test print o
o
t
i n
p r
s t
t e
u t
o
t
i n
P r
o
t
i n
p r
s t
t e
u t
o
t
i n
P r
s t
t e
u t
o
t
i n
p r
s t
t e
u t
o
t
i n
p r
s t
t e
u t
o
t
i n
P r
Print out test print out test print out test Print out test print o Print out test print o
o
t
i n
p r
s t
t e
u t
o
t
i n
P r
o
i n
t
p r
s t
t e
u t
o
t
i n
P r
s t
t e
u t
o
t
i n
p r
s t
t e
u t
o
t
i n
p r
s t
t e
u t
o
i n
t
P r
Print out test print out test print out test Print out test print o Print out test print o
o
t
i n
p r
s t
t e
u t
o
t
i n
P r
o
t
i n
p r
s t
t e
u t
o
t
i n
P r
s t
t e
u t
o
t
i n
p r
s t
t e
u t
o
t
i n
p r
s t
t e
u t
o
i n
t
P r
Print out test print out test print out test Print out test print o Print out test print o
1-13 Blurred at either side
Fig. 4.1
IV - 3
1-3 Completely blank
1-6 Black and blurred
1-7 Black and blurred
vertical stripes
horizontal stripes
1-10 Faulty
1-11 Poor fixing
registration
1-4 All black