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Unformatted text preview: Polytechnic University, Dept. Electrical and Computer Engineering EE3414 Multimedia Communication System I Spring 2006, Yao Wang __________________________________________________________________________________________________ Homework 6 (Image Color Representation) Reading assignment: Gonzalez and Woods, Digital image processing , 2 nd edition, Prentice Hall, 2002. Sec. 6.1,6.2,6.3. 1. Describe how the cones in the retina behind the human eye enable us to perceive color. What are the different types of cones we have? what colors are they each sensitive to? Solution: Color vision is provided by three types of color receptors (called cones) in the retina (behind the eye), which have maximum absorptions at wavelengths corresponding to “red”, “green” and “blue” respectively. By combining the responses from all three cones, a human being can perceive a large range of color. 2. What color do you see when you project equal amounts of red, green and blue lights on a screen? What about red and green, and green and blue?...
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- Spring '06
- Yellow, polytechnic university, Yao Wang