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WorksheetsDIP
Total questions: 20
Worksheet time: 10mins
What is digital image processing?
Enhancing a dark image by making it brighter.
Reducing the size of an image.
Removing imperfections by restoration techniques.
All of the above.
Which digital imaging process takes place when an image's visual appearance is improved
Manipulation
Restoration
Enhancement
Compression
When the file size of an image is reduced but the quality remains the same, this means that the compression format used is
Lossy
Loseless
lossless
loose
Which digital imaging process is used here?
Enhancement
Manipulation
Restoration
Compression
Which digital imaging processing technique is applied here?
Restoration
Enhancement
Manipulation
compression
This glare from the sunlight due to the reflection from the lens is an example of a
Enhancing technique
Manipulation technique
Image anomaly
Lossy compression
Which one of the following file formats is using lossless compression?
JPEG
GIF
MPEG
MP3
The Euclidean Distance between a point p with co-ordiantes (0,0) and a point q with coordinates (3,3) is
sqrt(18)
18
9
3
How does picture formation in the eye vary from image formation in a camera?
Fixed focal length
Varying distance between lens and imaging plane
No difference
Variable focal length
What are the categories of digital image processing?
Image Enhancement
Image Classification and Analysis
Image Transformation
All of the mentioned
Which of the following statement describe the term pixel depth?
It is the number of units used to represent each pixel in RGB space
It is the number of mm used to represent each pixel in RGB space
It is the number of bytes used to represent each pixel in RGB space
It is the number of bits used to represent each pixel in RGB space
Which of the following is the first and foremost step in Image Processing?
Image acquisition
Segmentation
Image enhancement
Image restoration
Which of the following is the next step in image processing after compression?
Representation and description
Morphological processing
Segmentation
Wavelets
___________ determines the quality of a digital image.
The discrete gray levels
The number of samples
discrete gray levels & number of samples
None of the mentioned
The effect caused by the use of an insufficient number of intensity levels in smooth areas of a digital image _____________
False Contouring
Interpolation
Gaussian smooth
Contouring
For an image f(x,y), the amplitude at any position x,y is called(Answer all the correct options)
binary level
Intensity
Gray level
decimal level
Digital imaging is done using
Gamma rays
X-rays
UV/IR rays
visible light
All the above
CGI is
Computer Graphics
Computer-Generated Imagery
Computer vision is
low-level image processing
Middle-level image processing
Higher-level image processing
•Histogram Equalization is a process in which
a) a histogram is created
b) the contrast of an image is adjusted by using its histogram.
c) An equal size histogram for an image is created.
d) the pixel values are increased.
