HSC200H5 Lecture Notes - Lecture 6: Tiff, Cmyk Color Model, Lossy Compression
27 Nov 2016
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= range of colours a device can capture/display. Human eye is the widest gamut (millions & millions of colours) Rgb is a wide gamut (millions of colours) . bmp (for windows only), . pict (for mac only), . targa. Specific to production: only can open the file in certain programs. Specific to delivery: deliver work to client, choose the best file format. If (cid:455)ou don"t ha(cid:448)e word, (cid:455)ou (cid:272)an"t open the . do(cid:272)(cid:454) file, (cid:271)ut (cid:455)ou (cid:272)an (cid:448)ie(cid:449) the. Irrelevancy reduction: removes data to enhance luminance at the expense of chroma. Data is analyzed in 8 pixel blocks. Every time you open it, you lose more. Designed for the web so the file size is reduced for streaming over the internet. Must not be used in astronomical, medical or legal/forensic imaging. Anti-alias: softens edges slightly, should be on all the time (opposite is non-anti-alias) Is a small image because has max 256 colours. Need to edit colour table to max 256.
