WorksheetsDigital Image Processing
Total questions: 15
Worksheet time: 8mins
1024 x 1024 image has resolution of
a.
1048576
b.
1148576
c.
1248576
d.
1348576
The lens is made up of concentric layers of
a.
strong cells
b.
inner cells
c.
fibrous cells
d.
outer cells
L = 23 would have
a.
2 levels
b.
4 levels
c.
6 levels
d.
8 levels
Digital images are displayed as a discrete set if
numbers
frequencies
values
intensities
Power law transformation is useful in
a.
purification
b.
industry
c.
radar
d.
MRI
The correction of power law response is called
a.
alpha correction
b.
gamma correction
c.
beta correction
d.
pixel correction
To display the image we need image in a
a.
spatial domain
b.
frequency domain
c.
algebraic domain
d.
Both a and b
Process that expands the range of intensity levels in image is called
a.
linear stretching
b.
contrast stretching
c.
color stretching
d.
elastic stretching
Histogram is the technique processed in
a.
intensity domain
b.
frequency domain
c.
spatial domain
d.
undefined domain
PDF in histogram equalization stands for
a.
probability dual function
b.
partial density function
c.
parametric density function
d.
probability density function
Using rough rule of thumb, and assuming powers of 2 for convenience, what image size are about the smallest images that can be expected to be reasonably free of objectionable sampling checkerboards and false contouring?
a.
512*512pixels and 16 gray levels
b.
256*256pixels and 16 gray levels
c.
64*64pixels and 16 gray levels
d.
32*32pixels and 32 gray levels
In bit plane slicing 8 bit image will have
a.
6 planes
b.
7 planes
c.
8 planes
d.
9 planes
In a 8 bit plan image for the compression the suitable bit planes will
Lower bit plans (0,1,2,3)
Higher Bit planes(5,6,7)
(0-7)All
Mixed (2,4,5,6,)
The inverse of the nth root function in image processing is
a.
nth power
b.
log
c.
inverse log
d.
identity
In the formula s = clog(1+r), r ranges
a.
r >= 0
b.
r >= 1
c.
0 >= r
d.
1 >= r
