Wavelets in Computer Graphics
نویسنده
چکیده
One of the perennial goals in computer graphics is realism in realtime. Handling geometrically complex scenes and physically faithful descriptions of their appearance and behavior, clashes with the requirement of multiple frame per second update rates. It is no surprise then that hierarchical modeling and simulation have already enjoyed a long history in computer graphics. Most recently these ideas have received a significant boost as wavelet based algorithms have entered many areas in computer graphics. We give an overview of some of the areas in which wavelets have already had an impact on the state of the art.
منابع مشابه
Interleaved Dimension Decomposition: a New Decomposition Method for Wavelets and Its Application to Computer Graphics
Wavelets in 2D or higher dimensions are often generated by a decomposition scheme from 1D wavelets. There are two decomposition schemes called the standard and the nonstandard decomposition which are used in most applications of higher dimensional wavelets. This paper introduces a new decomposition method, the interleaved dimension decomposition and compares its advantages and disadvantages wit...
متن کاملWavelets from the Loop Scheme
A new wavelet-based geometric mesh compression algorithm was developed recently in the area of computer graphics by Khodakovsky, Schröder, and Sweldens in their interesting paper [23]. The new wavelets used in [23] were designed from the Loop scheme by using ideas and methods of [26, 27], where orthogonal wavelets with exponential decay and pre-wavelets with compact support were constructed. Th...
متن کاملDirectional Stroke Width Transform to Separate Text and Graphics in City Maps
One of the complex documents in the real world is city maps. In these kinds of maps, text labels overlap by graphics with having a variety of fonts and styles in different orientations. Usually, text and graphic colour is not predefined due to various map publishers. In most city maps, text and graphic lines form a single connected component. Moreover, the common regions of text and graphic lin...
متن کاملGeometric Wavelets for Image Processing: Metric Curvature of Wavelets
We introduce a semi-discrete version of the FinslerHaantjes metric curvature to define curvature for wavelets and show that scale and curvature play similar roles with respect to image presentation and analysis. More precisely, we show that there is an inverse relationship between local scale and local curvature in images. This allows us to use curvature as a geometrically motivated automatic s...
متن کاملWavelets for computer graphics - theory and applications
For a complete copy of the book, please visit the MorganKaufmann website or Amazon.com.
متن کاملذخیره در منابع من
با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید
عنوان ژورنال:
دوره شماره
صفحات -
تاریخ انتشار 1998