Digital Image Processing Questions and Answers
Q1.
The spatial coordinates of a digital image (x,y) are proportional to:
Answer :
Brightness
Q2.
Which is a colour attribute that describes a pure colour?
Answer :
Hue
Q3.
What is the first and foremost step in Image Processing?
Answer :
Image acquisition
Q4.
What is the expanded form of JPEG?
Answer :
Joint Photographic Experts Group
Q5.
To convert a continuous sensed data into Digital form, which of the following is required?
Answer :
1. Sampling
2. Quantization
Q6.
How is sampling been done when an image is generated by a single sensing element combined with mechanical motion?
Answer :
The number of mechanical increments when the sensor is activated to collect data.
Q7.
The resulting image of sampling and quantization is considered a matrix of real numbers. By what name(s) the element of this matrix array is called ______
Answer :
1. Image element or Picture element
2. Pixel or Pel
Q8.
Validate the statement “When in an Image an appreciable number of pixels exhibit high dynamic range, the image will have high contrast.”
Answer :
True
Q9.
The smallest discernible change in intensity level is called ______
Answer :
Intensity Resolution
Q10.
For Dynamic range ratio the lower limit is determined by
Answer :
Noise
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