Database System Concepts
Database System Concepts
7th Edition
ISBN: 9780078022159
Author: Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher: McGraw-Hill Education
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We use python.
Consider the following procedures for accessing and modifying the color channels of an RGB pixel.
RED (pixel): Extracts the red value from the color of pixel
GREEN (pixel): Extracts the green value from the color of pixel
BLUE (pixel): Extracts the blue value from the color of pixel
SETCOLOR (pixel,r,g,b): Replaces the red, green, and blue values of pixel with new values (r, g, and b, respectively)
Using the above procedures, a programmer has written the following code segment to modify image, an array representing the color values for each pixel within an RGB image.
FOR EACH pixel IN image { r = 255 - RED(pixel) g = 255 - GREEN(pixel) b = 255 - BLUE(pixel) SETCOLOR (pixel, r, g, b) }Which of the following best describes the resulting image?
Multiple Choice:
A. The resulting image will be completely white.
B. All of the colors of the resulting image will be inverted, like a negative, of the original image.
C. The resulting image will be a grayscale version of the original image.
D. The overall brightness of all pixels in the resulting image will be darkened.
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