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Image compression

Image compression. Skills : none IT concepts : effect of image compression. This work is licensed under a Creative Commons Attribution-Noncommercial-Share Alike 3.0 License. Where does this topic fit?. Internet concepts Applications Technology Implications Internet skills

miriam-nolan
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Image compression

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  1. Image compression Skills: none IT concepts: effect of image compression This work is licensed under a Creative Commons Attribution-Noncommercial-Share Alike 3.0 License.

  2. Where does this topic fit? • Internet concepts • Applications • Technology • Implications • Internet skills • Application development • Content creation (images)

  3. 96 KB 21 KB 75 KB 6 KB 139 KB 15 KB 51 KB 30 KB 11 KB

  4. 69% 15% 54% 4% 100% 11% 37% 22% 8%

  5. See the difference? Original Compressed, 11% of original

  6. 8 X zoom Original Compressed, 11% of original

  7. Good enough? Original Compressed, 11% of original

  8. Original, 139 KB Compressed to 17.9 KB Compressed to 4.6 KB

  9. A few questions In another presentation, we mentioned three popular formats for compressed images. Do you recall what they were? Do you recall which situations each would be used in? What factors would you consider in deciding how much to compress an image? How does image compression tie into our discussion of the amount of information in an image?

  10. Image compression Skills: none IT concepts: effect of image compression This work is licensed under a Creative Commons Attribution-Noncommercial-Share Alike 3.0 License.

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