Better Graphics for Multimedia and the World Wide Web

http://www.wam.umd.edu/~toh/graphics/
Last updated May, 2000

Tom O'Haver, Professor Emeritus, University of Maryland at College Park (to2@umail.umd.edu), and
Mary O'Haver, Retired Teacher, Montgomery County Public Schools(mohaver@umd5.umd.edu)

  • Reducing file size makes images load faster
  • Scanning resolution influences image size
  • JPEG images can be saved with different amounts of compression
  • Which is better for the Web: GIF or JPEG Format??
  • Reducing file size in scanned drawings
  • Make image adjustment less subjective with the histogram function
  • Effect of Brightness Adjustment
  • Effect of Contrast Adjustment
  • Gamma Correction shifts the balance between light and dark tones
  • What is the best value of Gamma?
  • Some example of brightness, contrast, and gamma adjustment
  • Can software make fuzzy pictures sharper?
  • Correcting color faults
  • Sources of Images and Image Processing Software