# Intensity Transformation MCQ [Free PDF] – Objective Question Answer for Intensity Transformation Quiz

181. Which of the following image component varies abruptly, particularly at the junction of dissimilar objects?

A. Illumination component
B. Reflectance component
C. Both 1 and 2
D. None of the mentioned

The reflectance component of an image varies abruptly, particularly at the junction of dissimilar objects.

182. The reflectance component of an image varies abruptly, particularly at the junction of dissimilar objects. The characteristic lead to associate illumination with __________

A. The low frequency of Fourier transform of the logarithm of the image
B. The high frequency of Fourier transform of the logarithm of the image
C. All of the mentioned
D. None of the mentioned

The reflectance component of an image varies abruptly, so, is associated with the high frequency of Fourier transform of the logarithm of the image.

183. The illumination component of an image is characterized by a slow spatial variation. The characteristic lead to associate illumination with __________

A. The low frequency of Fourier transform of the logarithm of the image
B. The high frequency of Fourier transform of the logarithm of the image
C. All of the mentioned
D. None of the mentioned

The illumination component of an image is characterized by a slow spatial variation, so, is associated with the low frequency of Fourier transform of the logarithm of the image.

184. If the contribution made by the illumination component of the image is decreased and the contribution of the reflectance component is amplified, what will be the net result?

A. dynamic range compression
B. Contrast enhancement
C. Both 1 and 2
D. None of the mentioned

The illumination component of an image is characterized by a slow spatial variation and the reflectance component of an image varies abruptly, particularly at the junction of dissimilar objects, so, if the contribution made by the illumination component of the image is decreased and the contribution of reflectance component is amplified then there is simultaneous dynamic range compression and contrast stretching.

185. How is negative of an image obtained with intensity levels [0,L-1] with “r” and “s” being pixel values?

A. s = L – 1 + r
B. s = L – 1 – r
C. s = L + 1 + r
D. s = L + 1 + r

The negative is obtained with intensity levels using s = L – 1 + r.

186. The general form of log transformations is __________

A. s = c.log(1 + r)
B. s = c+log(1 + r)
C. s = c.log(1 – r)
D. s = c-log(1 – r)

The general form of log transformations is s = c.log(1 + r).

187. Power-law transformations has the basic form of _________ where c and ∆ are constants.

A. s = c + r
B. s = c – r
C. s = c * r
D. s = c / r.∆

Power-law transformations has the basic form of s = c * r

where c and ∆ are constants.

188. For what value of the output must the Power-law transformation account for offset?

A. No offset is needed
B. All values
C. One
D. Zero

When the output is Zero then the output must the Power-law transformation account for offset.

189. What is Gamma Correction?

A. A Power-law response phenomenon
B. Inverted Intensity curve
C. Light brightness variation
D. None of the Mentioned

The exponent in Power-law is called gamma and the process used to correct the response of Power-law transformation is called Gamma Correction.

190. Which process expands the range of intensity levels in an image so that it spans the full intensity range of the display?

B. Contrast sketching
C. Gamma correction
D. None of the Mentioned

Contrast sketching is the process used to expands the range of intensity levels in an image so that it spans the full intensity range of the display.

191. Highlighting a specific range of intensities of an image is called __________

A. Intensity Matching
B. Intensity Highlighting
C. Intensity Slicing
D. None of the Mentioned

Highlighting a specific range of intensities of an image is called Intensity Slicing.

192. Highlighting the contribution made to the total image by specific bits instead of highlighting intensity-level changes is called __________

A. Intensity Highlighting
B. Byte-Slicing
C. Bit-plane slicing
D. None of the Mentioned

Highlighting the contribution made to the total image by specific bits instead of highlighting intensity-level changes is called Bit-plane slicing.

193. Which of the following involves reversing the intensity levels of an image?

A. Log Transformations
B. Piecewise Linear Transformations
C. Image Negatives
D. None of the Mentioned

Image negatives nvolves reversing the intensity levels of an image.

194. Does Piecewise Linear Transformation function involve one of the following?

A. Bit-plane slicing
B. Intensity level slicing
C. Contrast stretching
D. All of the Mentioned

Piecewise Linear Transformation function involves

• Bit-plane slicing
• Intensity level slicing
• Contrast stretching

195. What is the set generated using infinite-value membership functions called?

A. Crisp set
B. Boolean set
C. Fuzzy set
D. All of the mentioned

The set generated using infinite-value membership functions, called? a fuzzy set.

196. Which is the set, whose membership only can be true or false, in bi-values Boolean logic?

A. Boolean set
B. Crisp set
C. Null set
D. None of the mentioned

The so-called Crisp set is the one in which membership only can be true or false, in bi-values Boolean logic.

197. If Z is a set of elements with a generic element z, i.e. Z = {z}, then this set is called _____________

A. Universe set
B. Universe of discourse
C. Derived set
D. None of the mentioned

If Z is a set of elements with a generic element z, i.e. Z = {z}, then this set is called the universe of discourse.

198. A fuzzy set ‘A’ in Z is characterized by a ____________ that associates with an element of Z, a real number in the interval [0, 1].

B. Generic element
C. Membership function
D. None of the mentioned

A fuzzy set is characterized by a membership function that associates with an element of Z, a real number in the interval [0, 1].

199. A fuzzy set is ________ if and only if the membership function is identically zero in Z.

A. Empty
B. Subset
C. Complement
D. None of the mentioned

A fuzzy set is called an Empty set if and only if the membership function is identically zero in Z.

200. Which of the following is a type of Membership function?

A. Triangular
B. Trapezoidal
C. Sigma
D. All of the mentioned