نتایج جستجو برای: old texture
تعداد نتایج: 399909 فیلتر نتایج به سال:
Background: Non-invasive characterization of the pathological features of Alzheimer's disease (AD) could enhance patient management and the development of therapeutic strategies. Magnetic resonance imaging texture analysis (MRTA) has been used previously to extract texture descriptors from structural clinical scans in AD to determine cerebral tissue heterogeneity. In this study, we examined the...
This paper describes a new algorithm for combining color and texture information for the segmentation of color images. The algorithm uses maximum likelihood classi cation combined with a certainty based fusion criterion. The algorithm was validated using mosaics of real color textures. It was also tested on real outdoor color scenes and aerial images. This algorithm is part of a more complex sy...
25 We describe an 18-year-old male with primary atrophic profound linear scleroderma. It was not preceded by an inflammatory reaction or sclerosis, but it involved the subcutaneous and deeper tissues of the fingers. It did not involve the dermis, or show either discoloration or changes in texture. Involvement of deeper tissue and the progression of the disease suggest atypical primary atrophic ...
Texture synthesis aims to define and reproduce discriminating image features. These features are used to associate with and differentiate between two textures. Often texture is composed of a pattern with an element of randomness in each feature’s appearance, position and orientation. The goal is to imitate the sample texture in such a way that sample and synthesised texture are perceived to be ...
Measured material representations like Bidirectional Texture Functions or Reflectance Fields offer very realistic appearance but the user is currently not capable of changing this appearance in an effective and intuitive way. Such editing operations would require a low-dimensional but expressive model for appearance that exposes only a small set of intuitively editable parameters (1D-sliders, 2...
Determining the upper treeline is certainly one of the most interesting research challenges in comparative high mountain research. Careful compilations (Hermes 1955; von Wissmann 1961; Schickhoff 2005) have documented that the highest treelines in the northern hemisphere are found on the eastern declivity of the Tibetan Highlands. However, regional and global synopses of upper treeline altitude...
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