Animated Images Listed as Art

Creating animated medical images (Part 2)

With the advent of the Internet and World Wide Web (WWW), different image format became available. Some were static (GIF, JPEG) while others are animated (animated GIF, MPEG, Shockwave). Each carries distinct advantages for a given need and purpose, particularly for efficient transmission over the network. For instance, a GIF file is highly suitable for encoding diagram-like images – images tha...

State of the Art in Ray Tracing Animated Scenes

Ray tracing has long been a method of choice for off-line rendering, but traditionally was too slow for interactive use. With faster hardware and algorithmic improvements this has recently changed, and real-time ray tracing is finally within reach. However, real-time capability also opens up new problems that do not exist in an off-line environment. In particular real-time ray tracing offers th...

Images, Art and Education

Module 4: Art and Images

Images are a powerful means for human communication and expression. If a picture paints a thousand words, how many words do we need to describe a picture? Usually quite a few, but advances in computer technology make it possible to calculate, store and transmit descriptions of images with an ease and scale not possible in the past. These notes describe several methods for digital representation...

Security Enhancement in Captcha Recognition using Animated GIF Images

CAPTCHAs is Turing test are used to distinguish whether a user is a human or a computer. Till today huge number of CAPTCHA schema have been suggest or put forth and applied on miscellaneous websites to secure online services (SOS) from automated decaptcha programs. So development of a good CAPTCHA scheme that is both secure by automated recognition and human usable is an important research prob...