1 / 15

Mirjana Devetakovic, M.Sc.

CAAD - Images. Mirjana Devetakovic, M.Sc. Beograd, 2011. A picture is worth a thousand words.

talon
Download Presentation

Mirjana Devetakovic, M.Sc.

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript

  1. CAAD - Images Mirjana Devetakovic, M.Sc. Beograd, 2011.

  2. A picture is worth a thousand words A picture is worth a thousand words is a familiar proverb that refers to the idea that complex stories can be told with just a single still image, or that an image may be more influential than a substantial amount of text. It also aptly characterizes the goals of information visualization where large amounts of data must be absorbed quickly.

  3. “Imaginaire scientifique”

  4. Pixel and Voxel • Pixel – Picture Element • Voxel – Volume Element

  5. Resolution • Low-resolution images • High-resolution images

  6. Compression • RLE (Run-Length Encoding) • Quadtree encoding

  7. Color – RGB vs. CMYK http://www.sketchpad.net/

  8. Color – RGB Model http://www.couleur.org

  9. Color – CMYK Model(Cyan, Magenta, Yellow + blacK)

  10. Color – HSL Model (Hue, Saturation, Lightness)

  11. Palette

  12. Image Formats • BMP – (Bit Map, no compression) • GIF – (Graphic Interchange Format, Web based, 255 colors, supporting animated sequences) • TIFF – (Tagged Image File Format, printing) • JPG (JPEG) – (Joint Photographic Experts Group, photos and continuous tone images, compression settings) • PNG – (Portable Network Graphics)

  13. Image Processing • Resize • Crop • Contrast / Brightness • Hue / Saturation / Lightness

  14. Image Processing • Contrast / Brightness

  15. Color – Hue, Saturation, Lightness

More Related