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

Belgrade, 2011 CAAD – Digital Images 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.proverbinformation visualization

Belgrade, 2011 CAAD – Digital Images “Imaginaire scientifique”

Belgrade, 2011 CAAD – Digital Images Pixel and Voxel ■Pixel – Picture Element ■Voxel – Volume Element

Belgrade, 2011 CAAD – Digital Images Resolution ■Low-resolution images ■High-resolution images

Belgrade, 2011 CAAD – Digital Images Compression ■RLE (Run-Length Encoding) ■Quadtree encoding

Belgrade, 2011 CAAD – Digital Images Color – RGB vs. CMYK

Belgrade, 2011 CAAD – Digital Images Color – RGB Model

Belgrade, 2011 CAAD – Digital Images Color – CMYK Model (Cyan, Magenta, Yellow + blacK)

Belgrade, 2011 CAAD – Digital Images Color – HSL Model (Hue, Saturation, Lightness)

Belgrade, 2011 CAAD – Digital Images Palette

Belgrade, 2011 CAAD – Digital Images 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)

Belgrade, 2011 CAAD – Digital Images Image Processing ■Resize ■Crop ■Contrast / Brightness ■Hue / Saturation / Lightness

Belgrade, 2011 CAAD – Digital Images Image Processing ■Contrast / Brightness

Belgrade, 2011 CAAD – Digital Images Color – Hue, Saturation, Lightness