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MELJUN CORTES Multimedia Computer Graphics Lecture

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MELJUN CORTES Multimedia Computer Graphics Lecture

MELJUN CORTES Multimedia Computer Graphics Lecture

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  • 1. COMPUTER GRAPHICS MELJUN CORTES
  • 2. COMPUTER GRAPHICS are graphics created using computers and, more generally, the representation and manipulation of pictorial data by a computer. revolutionized the animation and video game industry.
  • 3. HISTORY The phrase “Computer Graphics” was coined in 1960 by William Fetter, a graphic designer for Boeing A light pen could be used to draw sketches on the computer using Ivan Sutherland's revolutionary Sketchpad software. The development of Sketchpad made Ivan Sutherland the "grandfather" of interactive computer graphics and graphical user interfaces
  • 4. In 1969, the ACM initiated A Special Interest Group in Graphics (SIGGRAPH) which organizes conferences, graphics standards, and publications within the field of computer graphics. 3D graphics was pioneered by Dr Edwin Catmull in 1974 late 1980s, Silicon Graphics Inc. (SGI) computers were used to create some of the first fully computer-generated short films at Pixar
  • 5. 1990s in gaming, multimedia and animation 1996, Quake, one of the first fully 3D games, 1995, Toy Story, the first full-length computer-generated animation film
  • 6. PIONEERS OF COMPUTER GRAPHICS Charles Csuri is a pioneer in computer animation and digital fine art and created the first computer art in 1964 Donald P. Greenberg is a leading innovator in computer graphics. A. Michael Noll was one of the first researchers to use a digital computer to create artistic patterns and to formalize the use of random processes in the creation of visual arts.
  • 7. Ivan Edward Sutherland Invention of Sketchpad
  • 8. Daniel J. Sandin (born 1942) is a video and computer graphics artist/researcher
  • 9. Steve "Slug" Russell is a programmer and computer scientist most famous for creating Spacewar!, one of the earliest videogames
  • 10. CONCEPTS AND PRINCIPLES OF COMPUTER GRAPHICS IMAGE  picture is an artifact, usually two-dimensional, that has a similar appearance to some subject usually a physical object or a person PIXEL  is the smallest piece of information in an image GRAPHICS  visual presentations on some surface, such as a wall, canvas, computer screen, paper, or stone to brand, inform, illustrate, or entertain.
  • 11. Rendering the process of generating an image from a model, by means of computer programs. contain geometry, viewpoint, texture, lighting, and shading information. 3D projection is a method of mapping three dimensional points to a two dimensional plane. Ray tracing is a technique for generating an image by tracing the path of light through pixels in an image plane.
  • 12. Shading refers to depicting depth in 3D models or illustrations by varying levels of darkness. Texture mapping is a method for adding detail, surface texture, or colors to a computer-generated graphic or 3D model. Volume rendering technique used to display a 2D projection of a 3D discretely sampled data set. 3D modeling process of developing a mathematical, wire frame representation of any three-dimensional object via specialized software
  • 13. IMAGE TYPES PIXEL (picture element) PPI (picture per inch) can also describe the resolution, in pixels, of an image to be printed within a specified space
  • 14. PIXEL ART  form of digital art, created through the use of raster graphics software, where images are edited on the pixel level
  • 15. VECTOR GRAPHICS formats are complementary to raster graphics, which is the representation of images as an array of pixels typically used for the representation of photographic images
  • 16. 3D COMPUTER GRAPHICS 2D COMPUTER GRAPHICS COMPUTER ANIMATION  is the art of creating moving images via the use of computers. It is a subfield of computer graphics and animation.
  • 17. 1D • of or in or along or relating to a line; involving a single dimension; "a linear measurement“
  • 18. One dimensional
  • 19. 2 DIMENSIONAL mainly used in applications that were originally developed upon traditional printing and drawing technologies, such as typography, cartography, technical drawing, advertising
  • 20. 3 DIMENSIONAL Enhances the illusion of depth perception. Depth perception is the visual ability to perceive the world in three dimensions Depth sensation is the ability to move accurately, or to respond consistently, based on the distances of objects in an environment