lecture04: Sampling and transforms in 2D

• http://ndevilla.free.fr/lena/
• http://sipi.usc.edu/database/
• http://www.siggraph.org/education/materials/HyperGraph/aliasing/alias2a.htm
• http://www.mwrf.com/Articles/Print.cfm?Ad=1&ArticleID=10586
• http://www.cs.princeton.edu/courses/archive/fall99/cs426/lectures/dither/sld005.htm
• http://www.webopedia.com/TERM/D/dithering.html
• http://www.geocities.com/ResearchTriangle/Thinktank/5996/techpaps/introip/manual04.html
• http://www.cs.indiana.edu/~dmiguse/Halftone/
• http://en.wikipedia.org/wiki/Halftone
• http://en.wikipedia.org/wiki/Dithering
• http://www.webstyleguide.com/graphics/dither.html
• http://www.visgraf.impa.br/Courses/ip00/proj/Dithering1/floyd_steinberg_dithering.html
• http://www.ece.utexas.edu/~bevans/projects/halftoning/toolbox/
• http://www.markschulze.net/halftone/
• http://xenia.media.mit.edu/~nelson/courses/mas814/
• http://aa-project.sourceforge.net/index.html
• http://www.text-image.com/convert/
• http://www.chris.com/ascii/
• http://en.wikipedia.org/wiki/ASCII_art
• http://www.faqs.org/faqs/jpeg-faq/
• http://www.photo.net/learn/jpeg/
• http://www.cs.cf.ac.uk/Dave/Multimedia/node234.html
• http://netghost.narod.ru/gff/graphics/book/ch09_06.htm
• http://cobweb.ecn.purdue.edu/~ace/jpeg-tut/jpegtut1.html
• http://www.imaging.org/resources/jpegtutorial/index.cfm
• http://delivery.acm.org/10.1145/330000/327649/a2-hankerson.html?key1=327649&key2=3302073511&coll=portal&dl=ACM&CFID=25660063&CFTOKEN=26680067
• http://en.wikipedia.org/wiki/Web_colors
• http://web.njit.edu/~kevin/rgb.txt.html
• http://www.is.kiruna.se/~cjo/d2i/COLOR.RGB.html
• http://www.kenjikojima.com/java/RGBHexConverter2.html
• http://en.wikipedia.org/wiki/Discrete_cosine_transform
• http://www.cs.sfu.ca/CourseCentral/365/li/interactive-jpeg/Ijpeg.html
• http://www.jjtc.com/stegdoc/steg1995.html