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Color & Vision Color & Vision

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Page 1: Color & Vision. Parts of the Eye l 3 types of cones in retina l Each responds more strongly to wavelength for which it is named l As the cones are stimulated

Color & VisionColor & Vision

Page 2: Color & Vision. Parts of the Eye l 3 types of cones in retina l Each responds more strongly to wavelength for which it is named l As the cones are stimulated

Parts of the EyeParts of the Eye

Page 3: Color & Vision. Parts of the Eye l 3 types of cones in retina l Each responds more strongly to wavelength for which it is named l As the cones are stimulated

3 types of cones in retina Each responds more strongly to wavelength for which

it is named As the cones are stimulated in different proportions,

our visual system constructs the colors we see.

Cone Response

Page 4: Color & Vision. Parts of the Eye l 3 types of cones in retina l Each responds more strongly to wavelength for which it is named l As the cones are stimulated

Primary ColorsPrimary Colors

Red Blue Green

Page 5: Color & Vision. Parts of the Eye l 3 types of cones in retina l Each responds more strongly to wavelength for which it is named l As the cones are stimulated

Appearance of ColorAppearance of Color

Page 6: Color & Vision. Parts of the Eye l 3 types of cones in retina l Each responds more strongly to wavelength for which it is named l As the cones are stimulated

Complementary ColorsComplementary Colors

When two of the three additive primary colors are combined:

Red + Blue = Magenta Red + Green = Yellow Blue + Green = Cyan

Two colors that combine to produce white are called complementary

Magenta + ? = White Yellow + ? = White Cyan + ? = White

Page 7: Color & Vision. Parts of the Eye l 3 types of cones in retina l Each responds more strongly to wavelength for which it is named l As the cones are stimulated

Complementary ColorsComplementary Colors

When two of the three additive primary colors are combined:

Red + Blue = Magenta Red + Green = Yellow Blue + Green = Cyan

Two colors that combine to produce white are called complementary

Magenta + Green = White Yellow + Blue = White Cyan + Red = White

Page 8: Color & Vision. Parts of the Eye l 3 types of cones in retina l Each responds more strongly to wavelength for which it is named l As the cones are stimulated

4 Color Graphics4 Color Graphics

Page 9: Color & Vision. Parts of the Eye l 3 types of cones in retina l Each responds more strongly to wavelength for which it is named l As the cones are stimulated

Color SubtractionColor Subtraction

Page 10: Color & Vision. Parts of the Eye l 3 types of cones in retina l Each responds more strongly to wavelength for which it is named l As the cones are stimulated

Pigments – Color SubtractionPigments – Color Subtraction

Page 11: Color & Vision. Parts of the Eye l 3 types of cones in retina l Each responds more strongly to wavelength for which it is named l As the cones are stimulated

Color LinksColor Links Colors of Light Song Lyrics Color Mixing – Truscio Color Tutorial – Jewitt Physics Classroom – Color Physics 2000 Color Java Applets Ishihara Test for Color Blindness

Page 12: Color & Vision. Parts of the Eye l 3 types of cones in retina l Each responds more strongly to wavelength for which it is named l As the cones are stimulated

Retinal FatigueRetinal Fatigue

Page 13: Color & Vision. Parts of the Eye l 3 types of cones in retina l Each responds more strongly to wavelength for which it is named l As the cones are stimulated

Page 14: Color & Vision. Parts of the Eye l 3 types of cones in retina l Each responds more strongly to wavelength for which it is named l As the cones are stimulated

FlagFlag

Page 15: Color & Vision. Parts of the Eye l 3 types of cones in retina l Each responds more strongly to wavelength for which it is named l As the cones are stimulated

Page 16: Color & Vision. Parts of the Eye l 3 types of cones in retina l Each responds more strongly to wavelength for which it is named l As the cones are stimulated

The RoseThe Rose

Page 17: Color & Vision. Parts of the Eye l 3 types of cones in retina l Each responds more strongly to wavelength for which it is named l As the cones are stimulated

Page 18: Color & Vision. Parts of the Eye l 3 types of cones in retina l Each responds more strongly to wavelength for which it is named l As the cones are stimulated

Page 19: Color & Vision. Parts of the Eye l 3 types of cones in retina l Each responds more strongly to wavelength for which it is named l As the cones are stimulated

Page 20: Color & Vision. Parts of the Eye l 3 types of cones in retina l Each responds more strongly to wavelength for which it is named l As the cones are stimulated

Page 21: Color & Vision. Parts of the Eye l 3 types of cones in retina l Each responds more strongly to wavelength for which it is named l As the cones are stimulated

Page 22: Color & Vision. Parts of the Eye l 3 types of cones in retina l Each responds more strongly to wavelength for which it is named l As the cones are stimulated

Black dotBlack dot

Page 23: Color & Vision. Parts of the Eye l 3 types of cones in retina l Each responds more strongly to wavelength for which it is named l As the cones are stimulated

Black DotsBlack Dots

Page 24: Color & Vision. Parts of the Eye l 3 types of cones in retina l Each responds more strongly to wavelength for which it is named l As the cones are stimulated

Elephant LegsElephant Legs

Page 25: Color & Vision. Parts of the Eye l 3 types of cones in retina l Each responds more strongly to wavelength for which it is named l As the cones are stimulated

Man & WomanMan & Woman

Page 26: Color & Vision. Parts of the Eye l 3 types of cones in retina l Each responds more strongly to wavelength for which it is named l As the cones are stimulated

Old Woman … Young GirlOld Woman … Young Girl

Page 27: Color & Vision. Parts of the Eye l 3 types of cones in retina l Each responds more strongly to wavelength for which it is named l As the cones are stimulated

VanityVanity

Page 28: Color & Vision. Parts of the Eye l 3 types of cones in retina l Each responds more strongly to wavelength for which it is named l As the cones are stimulated

Two Faces … Or One?Two Faces … Or One?

Page 29: Color & Vision. Parts of the Eye l 3 types of cones in retina l Each responds more strongly to wavelength for which it is named l As the cones are stimulated

Face or AleutFace or Aleut

Page 30: Color & Vision. Parts of the Eye l 3 types of cones in retina l Each responds more strongly to wavelength for which it is named l As the cones are stimulated

BookBook

Page 31: Color & Vision. Parts of the Eye l 3 types of cones in retina l Each responds more strongly to wavelength for which it is named l As the cones are stimulated

LinesLines

Page 32: Color & Vision. Parts of the Eye l 3 types of cones in retina l Each responds more strongly to wavelength for which it is named l As the cones are stimulated

Rabbit DuckRabbit Duck

Page 33: Color & Vision. Parts of the Eye l 3 types of cones in retina l Each responds more strongly to wavelength for which it is named l As the cones are stimulated

Spectral Distribution of SunSpectral Distribution of Sun

Page 34: Color & Vision. Parts of the Eye l 3 types of cones in retina l Each responds more strongly to wavelength for which it is named l As the cones are stimulated

ScatteringScattering

Page 35: Color & Vision. Parts of the Eye l 3 types of cones in retina l Each responds more strongly to wavelength for which it is named l As the cones are stimulated

ScatteringScattering

Page 36: Color & Vision. Parts of the Eye l 3 types of cones in retina l Each responds more strongly to wavelength for which it is named l As the cones are stimulated

Why Is the Sky Blue?Why Is the Sky Blue?Why Are Sunsets Red?Why Are Sunsets Red?

http://www.stillmoving.ca/physics/faq/General/BlueSky/blue_sky.html

Page 37: Color & Vision. Parts of the Eye l 3 types of cones in retina l Each responds more strongly to wavelength for which it is named l As the cones are stimulated

Page 38: Color & Vision. Parts of the Eye l 3 types of cones in retina l Each responds more strongly to wavelength for which it is named l As the cones are stimulated

Page 39: Color & Vision. Parts of the Eye l 3 types of cones in retina l Each responds more strongly to wavelength for which it is named l As the cones are stimulated

Absorption of Light by WaterAbsorption of Light by Water Link Showing Absorption Graph

Page 40: Color & Vision. Parts of the Eye l 3 types of cones in retina l Each responds more strongly to wavelength for which it is named l As the cones are stimulated

HomeworkHomework Homework 2

Read chapter 27

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