What do you mean by tri-stimulus values?(a) It is the amount of red, green and yellow needed to form any particular color(b) It is the amount of red, green and indigo needed to form any particular color(c) It is the amount of red, yellow and blue needed to form any particular color(d) It is the amount of red, green and blue needed to form any particular colorI have been asked this question at a job interview.I would like to ask this question from Color Fundamentals topic in portion Color Image Processing of Digital Image Processing

What do you mean by tri-stimulus values?(a) It is the amount of red, g

1.	What do you mean by tri-stimulus values?(a) It is the amount of red, green and yellow needed to form any particular color(b) It is the amount of red, green and indigo needed to form any particular color(c) It is the amount of red, yellow and blue needed to form any particular color(d) It is the amount of red, green and blue needed to form any particular colorI have been asked this question at a job interview.I would like to ask this question from Color Fundamentals topic in portion Color Image Processing of Digital Image Processing
Answer» Correct ANSWER is (d) It is the amount of red, green and blue needed to form any particular COLOR Explanation: The amounts of red, green and blue needed to form any particular color are CALLED the tri-stimulus values and are denoted by X, Y and Z respectively. A color is then specified by its TRICHROMATIC coefficients, whose equations are formed from tri-stimulus values.

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