A histogram is a visual representation of the distribution of quantitative data. The term was first introduced by Karl Pearson. To construct a histogram...
26 KB (3,145 words) - 18:07, 27 May 2024
photography, a color histogram is a representation of the distribution of colors in an image. For digital images, a color histogram represents the number...
17 KB (2,241 words) - 03:39, 10 November 2023
Histogram equalization is a method in image processing of contrast adjustment using the image's histogram. This method usually increases the global contrast...
25 KB (2,460 words) - 18:46, 6 May 2024
processing, histogram matching or histogram specification is the transformation of an image so that its histogram matches a specified histogram. The well-known...
6 KB (864 words) - 17:11, 7 February 2022
An image histogram is a type of histogram that acts as a graphical representation of the tonal distribution in a digital image. It plots the number of...
4 KB (485 words) - 01:58, 11 May 2024
Adaptive histogram equalization (AHE) is a computer image processing technique used to improve contrast in images. It differs from ordinary histogram equalization...
9 KB (1,269 words) - 01:57, 12 October 2022
Histograms are most commonly used as visual representations of data. However, Database systems use histograms to summarize data internally and provide...
11 KB (1,677 words) - 20:05, 8 January 2024
neurophysiology, peristimulus time histogram and poststimulus time histogram, both abbreviated PSTH or PST histogram, are histograms of the times at which neurons...
3 KB (412 words) - 03:22, 2 April 2024
The histogram of oriented gradients (HOG) is a feature descriptor used in computer vision and image processing for the purpose of object detection. The...
21 KB (2,870 words) - 07:41, 25 December 2023
A dose-volume histogram (DVH) is a histogram relating radiation dose to tissue volume in radiation therapy planning. DVHs are most commonly used as a plan...
8 KB (923 words) - 00:09, 27 August 2023