Digital Image Processing,3rd ed. Gonzalez Woods www.ImageProcessingPlace.com Chapter 6 Color Image Processing Color Fundamentals and models -Pseudo-Color Image Processing Full-color Image processing 1992-2008 R.C.Gonzalez &R.E.Woods
Digital Image Processing, 3rd ed. www.ImageProcessingPlace.com © 1992–2008 R. C. Gonzalez & R. E. Woods Gonzalez & Woods Chapter 6 Color Image Processing Color Fundamentals and models Pseudo-Color Image Processing Full-color Image processing
Digital Image Processing,3rd ed. Gonzalez Woods www.ImageProcessingPlace.com Chapter 6 Color Image Processing Color is a powerful descriptor that often simplifies object identification and extraction from a scene Humans can discern thousands of color shades and intensities,compared to about only two dozen shades of gray 1992-2008 R.C.Gonzalez R.E.Woods
Digital Image Processing, 3rd ed. www.ImageProcessingPlace.com © 1992–2008 R. C. Gonzalez & R. E. Woods Gonzalez & Woods Chapter 6 Color Image Processing • Color is a powerful descriptor that often simplifies object identification and extraction from a scene • Humans can discern thousands of color shades and intensities, compared to about only two dozen shades of gray
Digital Image Processing,3rd ed. Gonzalez Woods www.ImageProcessingPlace.com Chapter 6 Color Image Processing "Color image processing is divide into two major area. Full-Color Processing The images in question typically are acquired with a full- color sensor Pseudo-Color Processing The problem is one of assigning a color to a particular monochrome intensity or range of intensities 1992-2008 R.C.Gonzalez R.E.Woods
Digital Image Processing, 3rd ed. www.ImageProcessingPlace.com © 1992–2008 R. C. Gonzalez & R. E. Woods Gonzalez & Woods Chapter 6 Color Image Processing Color image processing is divide into two major area: Full-Color Processing The images in question typically are acquired with a fullcolor sensor Pseudo-Color Processing The problem is one of assigning a color to a particular monochrome intensity or range of intensities
Digital Image Processing,3rd ed. Gonzalez Woods www.ImageProcessingPlace.com Chapter 6 Color Image Processing The color that human perceive in an object the light reflected from the object Illumination source scene reflection eye 1992-2008 R.C.Gonzalez &R.E.Woods
Digital Image Processing, 3rd ed. www.ImageProcessingPlace.com © 1992–2008 R. C. Gonzalez & R. E. Woods Gonzalez & Woods Chapter 6 Color Image Processing • The color that human perceive in an object = the light reflected from the object Illumination source scene reflection eye
Digital Image Processing,3rd ed. Gonzalez Woods www.ImageProcessingPlace.com Chapter 6 Color Image Processing Color Fundamentals 。 When a beam of sunlight passes through a glass prism,the emerging beam of light is not white but consists instead of a continuous spectrum of colors ranging from violet at one end to red at the other. FIGURE 6.1 Color INFRARED spectrum seen by passing white light through a prism.(Courtesy VHITE LIGHT of the General Electric Co., OPTICAL PRISM ◆ULTRAVIOLET Lamp Business Division.) 1992-2008 R.C.Gonzalez R.E.Woods
Digital Image Processing, 3rd ed. www.ImageProcessingPlace.com © 1992–2008 R. C. Gonzalez & R. E. Woods Gonzalez & Woods Chapter 6 Color Image Processing Color Fundamentals • When a beam of sunlight passes through a glass prism, the emerging beam of light is not white but consists instead of a continuous spectrum of colors ranging from violet at one end to red at the other