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A facial expression database is a collection of images or video clips with facial expressions of a range of emotions.Well-annotated (emotion-tagged) media content of facial behavior is essential for training, testing, and validation of algorithms for the development of expression recognition systems.
The following other wikis use this file: Usage on af.wikipedia.org Diagram; Usage on bn.wikipedia.org রেখাচিত্র; Usage on da.wikipedia.org
This category is for lists of (notable) people with a particular given name. See also: Category:Disambiguation pages with given-name-holder lists Pages in category "Lists of people by given name"
Lists of people by name (5 C, 8 P) Lists of people by nationality (198 C, 19 P) ... List of people and organisations named in the Paradise Papers
In a histogram, each bin is for a different range of values, so altogether the histogram illustrates the distribution of values. But in a bar chart, each bar is for a different category of observations (e.g., each bar might be for a different population), so altogether the bar chart can be used to compare different categories.
Statistical graphics have been central to the development of science and date to the earliest attempts to analyse data. Many familiar forms, including bivariate plots, statistical maps, bar charts, and coordinate paper were used in the 18th century.
Histogram equalization is a popular example of these algorithms. Improvements in picture brightness and contrast can thus be obtained. In the field of computer vision, image histograms can be useful tools for thresholding. Because the information contained in the graph is a representation of pixel distribution as a function of tonal variation ...
This category contains lists of people by name. See also: Category:Human name disambiguation pages. Subcategories.