histograms

См. также в других словарях:

• histograms — n. type of statistical graph …   English contemporary dictionary

• VOptimal Histograms — Histograms are most commonly used as visual representations of data. However, database systems use histograms to summarize data internally and provide size estimates for queries. These histograms are not presented to users or displayed visually,… …   Wikipedia

• Color histogram — Not to be confused with Image histogram. In image processing and photography, a color histogram is a representation of the distribution of colors in an image. For digital images, a color histogram represents the number of pixels that have colors… …   Wikipedia

• Гистограмма направленных градиентов — (англ. Histogram of Oriented Gradients, HOG) – дескрипторы особых точек, которые используются в компьютерном зрении и обработке изображений с целью распознавания …   Википедия

• Histogram of oriented gradients — Histogram of Oriented Gradient descriptors, or HOG descriptors, are feature descriptors used in computer vision and image processing for the purpose of object detection. The technique counts occurrences of gradient orientation in localized… …   Wikipedia

• Multivariate kernel density estimation — Kernel density estimation is a nonparametric technique for density estimation i.e., estimation of probability density functions, which is one of the fundamental questions in statistics. It can be viewed as a generalisation of histogram density… …   Wikipedia

• Histogramme de gradient orienté — Une image de piéton (gauche) et son gradient (droite) Un histogramme de gradient orienté (HOG) est une caractéristique utilisée en vision par ordinateur pour la détection d objet. La technique calcule des histogrammes locaux de l orientation du… …   Wikipédia en Français

• Histogram — In statistics, a histogram is a graphical display of tabulated frequencies, shown as bars. It shows what proportion of cases fall into each of several categories. A histogram differs from a bar chart in that it is the area of the bar that denotes …   Wikipedia

• Scale-invariant feature transform — Feature detection Output of a typical corner detection algorithm …   Wikipedia

• Kernel density estimation — of 100 normally distributed random numbers using different smoothing bandwidths. In statistics, kernel density estimation is a non parametric way of estimating the probability density function of a random variable. Kernel density estimation is a… …   Wikipedia

• Image histogram — An image histogram is type of histogram which acts as a graphical representation of the tonal distribution in a digital imagecite web | work = Illustrated Photography | title = Histograms and the Zone System | author = Ed Sutton |… …   Wikipedia