1) what is color?
Select one:
Primary colors for reflecting sources
Select one:
Primary colors of pigments
Select one:
If a surface coated with ........is illuminated with white light, no red light is reflected form the surface.
Select one:
5)....... subtracts red light from white light which contains amounts of red, green and blue light.
Select one:
CMYK stands as
Select one:
Four colors printing as
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HSI color Model is
Select one:
HSI color Model is
Select one:
10)Hue represents
Select one:
Intensity reflects in HIS color model as
Select one:
color depends on:
Select one:
Total amount of energy that flow from the light source, measured in watts (W)
Select one:
Amount of energy an observer perceives from a light source
Select one:
Luminance measured in........
Select one:
Principal sensing categories in eyes
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Secondary colors:
Select one:
Suitable for hardware or applications
Select one:
The number of bits used to represent each pixel in RGB space.
Select one:
Used to generate hardcopy output
Select one:
22) Tri - chromatic color mixing theory is
Select one:
a. any color can be obtained by mixing of three primary colors with a right proportion.
b. none
c. any color can be obtained by mixing of three secondary colors with a right proportion.
d. both
23) Blurred edges tend to be................and sharp edges tend to be..........
Select one:
a. thick, thick
b. none
c. thin , thin
d. thick ,thin
24)........................ contributes significantly to algorithms for feature detection, segmentation, and motion analysis.
Select one:
a. none
b. point detection
c. Edge detection
d. line detection
25)An ...............a place where there is a rapid change in the brightness(or other property ) of any image.
Select one:
a. line
b. point
c. edge
d. none
26) region-based segmentation (seeded region growing)
Select one:
a. advantage with edge connectivity
b. advantage with loose connectivity
c. none
d. advantage with good connectivity
27) Image compression is
Select one:
a. minimizing degradation over image
b. reducing the redundancy of the image dat
c. sharpening the intensity-transition regions
d. making image look better
28)Which technique is used for the images of the same scene are acquired from different viewpoints
Select one:
a. image differencing
b. multitemporal analysis
c. multiview analysis
d. multisensory analysis
29)In which technique which is used to determine changes between two images?
Select one:
a. skin texture analysis
b. none
c. image differencing
d. segmentation
30)How many categories does the color image processing is basically divided into?
Select one:
a. 3
b. 4
c. 2
d. 5
31)Which of the following represent the correct equations for trichromatic coefficients?
Select one:
a. x=X/(X-Y+Z),y=Y/(X-Y+Z),z=Z/(X-Y+Z)
b. x=(Y+Z)/(X+Y+Z),y=(X+Z)/(X+Y+Z),z=(X+Y)/(X+Y+Z)
c. x=(-X)/(X+Y+Z),y=(-Y)/(X+Y+Z),z=(-Z)/(X+Y+Z)
d. x=X/(X+Y+Z),y=Y/(X+Y+Z),z=X/(X+Y+Z)
32)What is the equation used for obtaining R value in terms of HSI components?
Select one:
a. R=I[1+(S cos H)/cos(120-H)]
b. R=I[1+(S cos H)/cos(60-H)]
c. R=I[1+(S cos H)/cos(30-H)]
d. R=I[1-(S cos H)/cos(60-H)]
33)Primary colors for illuminating sources:
Select one:
a. Red, Green, Blue
b. none
c. cyan, magenta, Yellow
d. both
34)Multi-resolution involves
Select one:
a. Image pyramid
b. All
c. Sub-band coding
d. Haar Transform
35)Wanted; Remove structures / fill holes and without affecting remaining parts
Select one:
a. Solution: dilation
b. Solution: erosion
c. Solution: Combine erosion and dilation
d. none
36)Morphological Image processing
Select one:
a. none
b. used to compact image components that are useful in the representation and description of region shape.
c. used to extract image components that are useful in the representation and description of region shape.
d. used to extract image components that are useful in the compression of region shape.
37)Closing:
Select one:
a. Erosion followed by dilation
b. fuse narrow breaks and long thin gulf
c. all
d. Dilation followed by erosion
38)................. is to subdivide and image into its component regions or objects.
Select one:
a. addition
b. none
c. fragment
d. Segmentation
39)................should stop when the objects of interest in an application have been isolated.
Select one:
a. addition
b. fragment
c. none
d. Segmentation
40)Segmentation algorithms generally are based on one of 2 basis properties of intensity values
Select one:
a. both
b. discontinuity : to partition an image based on sharp charges in intensity (such as edges)
c. Similarity : to partition an image into regions that are similar according to a set of predefined criteria.
d. none
41)Detect the three basic types of gray-level discontinuities.
Select one:
a. all
b. edge
c. points
d. lines
42) Point Detection
Select one:
a. a point has been detected at the location on which the mark is centered if [R]>T
b. T is a nonnegative threshold
c. R is the sum of products of the coefficients with the gray levels contained in the region encompassed by the mark
d. all
43)................will result with max response when a line passed through the middle row of the mask with a constant background.
Select one:
a. Horizon mask
b. Horizontal mask
c. none
d. vertical mask
44)Additive rule
Select one:
a. both
b. none
c. Red + Green +Blue = White
d. cyan + magenta +Yellow = white
45)Localization of iris , pupil ,eyelids come under
Select one:
a. masking
b. normalization
c. segmentation
d. extraction
46)DWT stands for
Select one:
a. Discrete Wavelet Transform
b. Digital Wabelet Transform
c. None
d. Both
47)Color monitor works by exciting
Select one:
a. red , green , blue phosphors using separate electronics guns
b. none
c. cyan , green , blue phosphors using separate electronics guns
d. red, magenta , blue phosphors using separate electronics guns
48)Primary colors for reflecting sources:
Select one:
a. both
b. cyan , magenta ,Yellow
c. Red, Green , Blue
d. none
49)Subtractive rule
Select one:
a. cyan + magenta +Yellow = black
b. Red + Green + Blue = white
c. none
d. Red + Green + Blue = Black
50)Color printer works by using
Select one:
a. cyan , blue , yellow and black dynes
b. none
c. cyan , magenta , yellow and black dynes
d. red , magenta , Yellow and black dynes
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