WorksheetsColor Image Processing
Total questions: 24
Worksheet time: 48mins
Asher is learning about digital images in his computer science class. He asks his teacher, "What is the number of bits used to represent each pixel in RGB space called?"
Picture depth
Picture length
Pixel depth
Pixel length
A color attribute that describes a pure color
Intensity
Saturation
Hue
Color
Tara is working on a project that involves processing images. She needs to choose a model that decouples the color and gray scale information in an image, making it suitable for many of the color description.
CMY
CMYK
HSI
RGB
A model in which each color appears in its primary spectral components of red, green and blue
CMY
CMYK
HSI
RGB
Hue and saturation taken together are called
Chromaticity
Achromaticity
Luminance
Radiance
Equal amounts of pigments primaries cyan, magenta and yellow should produce
Red
White
Blue
Black
Neha is mixing equal amounts of pigment primaries Red, Green, and Blue for her art project. What color will she produce?
Red
White
Blue
Black
______ refers to amount of white light mixed with hue.
Saturation
Chromaticity
Intensity
Radiance
RGB color model was best suited for color generation
True
False
HSI color model was well suited for color description
True
False
In HSI color model, saturation of colour _______ as a function of distance
from the intensity axis.
decreases
increases
doesn't change
None
Aashi observed a _____ generated by a monochromatic light that contains photons of single frequency.
Intensity
Saturation
Hue
White light
Nikita is trying to understand how colors work in art. She learns that _________ is a measure of how much light of different frequencies is mixed in with a hue.
Intensity
Saturation
Hue
White light
We can represent all visible colors on a cube, where red increases along the x axis, green along the y axis and blue along the z.
If the maximum value a color can have is 100, what color is represented by the coordinates (100, 0, 0)?
Blue
Red
Green
White
Black
Aarush is experimenting with colors using a cube, where red increases along the x axis, green along the y axis and blue along the z.
If the maximum value a color can have is 100, what color is represented by the coordinates (0, 0, 0)?
Blue
Red
White
Black
We can represent all visible colors on a cube, where red increases along the x axis, green along the y axis and blue along the z.
If the maximum value a color can have is 100, what color is represented by the coordinates (100, 100, 100)?
Blue
Red
White
Black
We can represent all visible colors on a cube, where red increases along the x axis, green along the y axis and blue along the z.
Yellow is defined as an equal mix of red and green. If the length of the cube is 100, what are the coordinates of the yellow corner of the cube?
(100, 0, 100)
(100, 100, 100)
(100, 100, 0)
(0, 0, 100)
We can represent all visible colors on a cube, where red increases along the x axis, green along the y axis and blue along the z.
Yellow is defined as an equal mix of red and green. If the length of the cube is 100, what are the coordinates of the magenta corner of the cube?
(100, 0, 100)
(100, 100, 100)
(100, 100, 0)
(0, 0, 100)
We can represent all visible colors on a cube, where red increases along the x axis, green along the y axis and blue along the z.
If the maximum value a color can have is 100, where will you find shades of grey?
Any point where red, green and blue values are equal.
Any point where red, green and blue values sum to 100
Any point where either red, green or blue value is equal to 100
Any point where red, green and blue values sum to 0
A technical artist is picking colors for leaves. They have picked a pale green with a value of (100o,80%,60%) in the HSI color scheme. Now they want a darker green to add texture to the leaves.
100o,50%,60%
100o,80%,30%
140o,80%,60%
100o,80%,80%
Below is a slice through the HSL cylinder where lightness is 50%.
What color does (0o,100%,50%) represent in the HSI system?
Red
White
Black
Blue
Below is a slice through the HSL cylinder where lightness is 50%.
What color does (240o,0%,50%) represent in the HSI system?
Red
White
Gray
Blue
Below is a slice through the HSL cylinder where lightness is 50%.
What color does (125o,50%,0%) represent in the HSI system?
Black
White
Gray
Green
Below is a slice through the HSI cylinder where lightness is 50%.
The color represented by (60o,90%,70%) is
Light bright yellow
Dark bright yellow
Light dull yellow
