نتایج جستجو برای: texture synthesis
تعداد نتایج: 449273 فیلتر نتایج به سال:
A number of three-dimensional algorithms have been proposed to solve the problem of patching surfaces to rectify and extrapolate missing information due to model problems or bad geometry visibility during data capture. On the other hand, a number of similar yet more simple and robust techniques apply to 2D image data and are used for texture restoration. In this paper we make an attempt to brin...
In this survey, we illustrate the different algorithms proposed in literature to synthesize and represent solid textures. Solid textures are an efficient instrument to compactly represent both the external and internal appearance of 3D objects, providing practical advantages with respect to classical 2D texturing. Recently, several methods have been proposed to synthesize solid textures. For so...
Search-based texture synthesis algorithms are sensitive to the order in which texture samples are generated; different synthesis orders yield different textures. Unfortunately, most polygon rasterizers and ray tracers do not guarantee the order with which surfaces are sampled. To circumvent this problem, textures are synthesized beforehand at some maximum resolution and rendered using texture m...
A velocity field, even one that represents a steady state flow, implies a dynamical system. Animated velocity fields is an important tool in understanding such complex phenomena. This paper looks at a number of techniques that animate velocity fields and propose two new alternatives. These are texture advection and streamline cycling. The common theme among these techniques is the use of advect...
This paper presents a simple texture synthesis method that is fast, efficient, and optimized. Given an input texture, the algorithm will synthesize a texture image of specified size by matching output image pixel neighborhoods with input pixel neighborhoods. The pixel-neighborhood matching will be aided by the use of a TreeStructured Vector Quantization (TSVQ) method which will allow the algori...
Traditionally, texture perception has been studied using artificial textures made of random dots or repeated shapes. At the same time, computer algorithms for natural texture synthesis have improved dramatically. We seek to unify these two fields through a psychophysical assessment of a particular computational model, providing insight into which statistics are most vital for natural texture pe...
We present a way to make environmental recordings controllable again by the use of continuous annotations of the high-level semantic parameter one wishes to control, e.g. wind strength or crowd excitation level. A partial annotation can be propagated to cover the entire recording via cross-modal analysis between gesture and sound by canonical time warping (CTW). The annotations serve as a descr...
Although significant research effort has been devoted to the natural scene analysis, there hasn’t been much work on natural scene synthesis. The research of such nature can help understand the hidden structure of natural texture and the illumination patterns for classification and segmentation purposes. The common texture synthesis methods are not suitable for natural scene synthesis due to inh...
An approach for filling-in blocks of missing data in wireless image transmission is presented in this paper. When compression algorithms such as JPEG are used as part of the wireless transmission process, images are first tiled into blocks of 8x8 pixels. When such images are transmitted over fading channels, the effects of noise can destroy entire blocks of the image. Instead of using common re...
We present an algorithm for creating animation by keyframing, stylistic sequencing, random sampling, or by a combination of these methods. We first “learn” a motion model from existing animation data (such as motion capture), and optionally label specific frames as corresponding to specific “styles.” The system can then generate a new motion in the style of the training data, but matching the p...
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