Group Presentation

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presentation by Amy Garrett, Gregory Bogle, Daniel Cannadine and Carly Marples

Published in: Technology, Art & Photos
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Group Presentation

  1. 1. Graphic Files Amy Garrett Gregory Bogle Daniel Cannadine Carly Marples
  2. 2. Vector V’s Bitmap <ul><li>Vector </li></ul><ul><li>images are mathematically-based e.g logos and line graphs </li></ul><ul><li>Easily resized without distortion </li></ul><ul><li>Bitmap </li></ul><ul><li>Images are made up of a series of pixels </li></ul><ul><li>Used in photographs </li></ul><ul><li>Distorted when resized </li></ul>
  3. 3. GIF V’s JPEG <ul><li>GIF </li></ul><ul><li>GIF = Graphics Interchange Format </li></ul><ul><li>Used for pictures and drawing on web pages </li></ul><ul><li>High contrast images </li></ul><ul><li>JPEG </li></ul><ul><li>JPEG = Joint Photo Expert Group </li></ul><ul><li>used for photographs </li></ul><ul><li>lose quality when they are compressed </li></ul>
  4. 4. Embedded graphics V’s Linked graphics <ul><li>Embedded Graphics </li></ul><ul><li>Increase size of word document </li></ul><ul><li>Using more memory </li></ul><ul><li>Doesn’t use Vectors </li></ul><ul><li>Linked Graphics </li></ul><ul><li>Does not increase size of work document </li></ul><ul><li>Keeps memory usage to a minimum </li></ul><ul><li>Doesn’t use Vectors </li></ul>
  5. 5. What is colour pallette? <ul><li>A range of colours, each assigned a number per pixel </li></ul><ul><li>256 Red Green Blue colours </li></ul><ul><li>PNG can have a combination of 4 colours per pixel </li></ul>
  6. 6. What is lossless compression? <ul><li>Data compression to allow images to be stored using less memory than the original image </li></ul><ul><li>Maintains exact original data when compressed </li></ul><ul><li>Image is an exact reconstruction of original file </li></ul>
  7. 7. What FBS skills wiki, says about using PNG files? <ul><li>PNG = Portable Network graphics </li></ul><ul><li>Overcomes problems with loss of resolution in high definition images produced by GIF and JPG </li></ul><ul><li>Cannot support animations </li></ul>
  8. 8. Why using .bmp format files are bad <ul><li>.bmp files get distorted and undergo degradation when you re-size the image </li></ul><ul><li>When a smaller image is enlarged, the quality is reduced </li></ul>
  9. 9. What is Flickr? <ul><li>web based resource where people can upload picture and label them </li></ul><ul><li>Can be used recreationally in so far as pictures of parties weddings and other such activities can be viewed </li></ul><ul><li>pictures of cities and other places, which might be of academic use can also be found </li></ul>

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