منابع مشابه
Change Detection in Color Images
One approach to change detection that is insensitive to illumination brightness and spectral changes uses properties of color imagery. This approach does not appear to have been previously investigated, and this paper asks: “What is the most appropriate metric for detecting changes in color imagery?”. We define and compare six image difference functions, mainly based on RGB and HSV image repres...
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In this paper, we develop two face detection methods in color images. These methods rely on a two step process. First, we detect human skin regions using Bayes rule in color images. To avoid the effect of brightness included in the RGB color space, we propose to model the skin color in the chromatic and pure color space YCrCb, which separates luminance and chrominance components. A Gaussian pro...
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In this report a method for detection of human faces from color images based on human skin color detection and subsequent segmentation and verification scheme is described. Using the large Compaq database, skin and non-skin color models are build on the basis of simple histogram approximation of the probability distributions and the Neyman-Pearson classifier used in [8] for pixel-level skin det...
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Land cover/land use categories are relevant components in land management. Understanding how land cover/land use change over time is necessary to assess the consequences of humans and natural stressors on the earth’s environment and resources. The aim of the study was to map and monitor the spatial and temporal change in land cover/land use for the periods of 1977, 1991 and 2016 and to predict ...
متن کاملEffects of spatial cues on color-change detection in humans.
Studies of covert spatial attention have largely used motion, orientation, and contrast stimuli as these features are fundamental components of vision. The feature dimension of color is also fundamental to visual perception, particularly for catarrhine primates, and yet very little is known about the effects of spatial attention on color perception. Here we present results using novel dynamic c...
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ژورنال
عنوان ژورنال: Journal of Vision
سال: 2010
ISSN: 1534-7362
DOI: 10.1167/7.9.196