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Which of the following is impractical to measure?

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in Digital Image Processing by (701k points)
Which of the following is impractical to measure?

(a) Frequency

(b) Radiance

(c) Luminance

(d) Brightness

This question was posed to me in an online interview.

Query is from Light and the Electromagnetic Spectrum topic in division Digital Image Fundamentals of Digital Image Processing

1 Answer

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Best answer
The correct answer is (d) Brightness

Explanation: Brightness is subjective descriptor of light perception that is impossible to measure.

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