METIP Pixel Calculator Activities - Table of Contents
by Lauren Bricker
Project Director: Steven Tanimoto
Department of Computer Science & Engineering,
University of Washington, Box 352350,
Seattle, WA 98195-2350 USA
Table of contents
- Introduction
- What you need
- What is a digital image?
- The Pixel Calculator
- How to load an image
- Getting a picture YOU like
- Zooming
- Zooming in...
- Grey Values
- Factoid
- Zooming out...
- Image locations
- Location, location, location...
- Zooming into a picture position
- Modifying a picture
- Contrast
- Changing a pixel in the image
- Adding to an image
- The # key
- Contrast enhancement
- Max and Min
- Contrast enhancement
- Using contrast enhancement
- Factoid
- Finding secret messages
- Looking for a message
- Secret messages
- Let's try it by hand
- Let's try it again
- Factoid
- Secret messages on the mountain
- Secret messages on the map
- Factoid
- More on secret messages
- Just Checking
- Playing the computer
- Using the computer
- A hidden message
- Create your own secret messages
- Creating your own mystery image
- Writing with the calculator
- A trick: getting rid of odd gray values
- Hiding your message
- Finding your own mystery message
- Making your own activity sheet
- More fun with secret messages
- Factoid
- Just a refresher
- A scavenger hunt (with three clues)
- The final message
bricker@cs.washington.edu
Last modified: Monday 25 February 1996