• A histogram is a visual representation of the distribution of quantitative data. To construct a histogram, the first step is to "bin" (or "bucket") the...
    27 KB (3,340 words) - 22:23, 25 September 2024
  • Thumbnail for Histogram equalization
    Histogram equalization is a method in image processing of contrast adjustment using the image's histogram. This method usually increases the global contrast...
    24 KB (2,271 words) - 17:17, 4 September 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
  • Thumbnail for Histogram matching
    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
  • Thumbnail for Image histogram
    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) - 00:23, 18 September 2024
  • 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 (2,886 words) - 12:12, 10 August 2024
  • Thumbnail for Fractal flame
    image. The algorithm consists of two steps: creating a histogram and then rendering the histogram. First, one iterates a set of functions, starting from...
    7 KB (1,022 words) - 01:36, 24 April 2024
  • In robotics, Vector Field Histogram (VFH) is a real time motion planning algorithm proposed by Johann Borenstein and Yoram Koren in 1991. The VFH utilizes...
    5 KB (711 words) - 09:08, 15 January 2024
  • Sturges's rule is a method to choose the number of bins for a histogram. Given n {\displaystyle n} observations, Sturges's rule suggests using k ^ = 1...
    4 KB (679 words) - 04:21, 15 September 2024
  • 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
  • Thumbnail for Otsu's method
    is equivalent to a globally optimal k-means performed on the intensity histogram. The extension to multi-level thresholding was described in the original...
    23 KB (3,790 words) - 09:59, 17 April 2024
  • Oracle Database (commonly referred to as Oracle DBMS, Oracle Autonomous Database, or simply as Oracle) is a proprietary multi-model database management...
    25 KB (1,460 words) - 19:49, 17 September 2024
  • Thumbnail for Balanced histogram thresholding
    In image processing, the balanced histogram thresholding method (BHT), is a very simple method used for automatic image thresholding. Like Otsu's Method...
    6 KB (693 words) - 16:42, 8 February 2024
  • Scott's rule is a method to select the number of bins in a histogram. Scott's rule is widely employed in data analysis software including R, Python and...
    5 KB (729 words) - 04:00, 15 September 2024
  • Histogram of oriented displacements (HOD) is a 2D trajectory descriptor. The trajectory is described using a histogram of the directions between each two...
    2 KB (337 words) - 08:26, 7 March 2024
  • Thumbnail for Normal probability plot
    both a histogram, and a normal probability plot. Normal probability plot of a sample from a uniform distribution – it has an S shape. Histogram of a sample...
    6 KB (782 words) - 05:36, 16 December 2023
  • given some observations. The simplest and most common approach uses histogram-based estimation, but other approaches have been developed and used, each...
    10 KB (1,407 words) - 06:40, 15 May 2024
  • Thumbnail for Bucket sort
    Bucket sort (redirect from Histogram sort)
    proximity mapping — of the keys. Another variant of bucket sort known as histogram sort or counting sort adds an initial pass that counts the number of elements...
    13 KB (2,190 words) - 17:41, 26 August 2024
  • Thumbnail for Image segmentation
    methods are used in industry including the maximum entropy method, balanced histogram thresholding, Otsu's method (maximum variance), and k-means clustering...
    74 KB (9,658 words) - 10:06, 16 September 2024
  • Thumbnail for Alias method
    of the probability table, proposed by Marsaglia et al. as the square histogram method, avoids the computation of y by instead checking the condition...
    10 KB (1,085 words) - 00:21, 23 June 2024
  • Freedman–Diaconis rule can be used to select the width of the bins to be used in a histogram. It is named after David A. Freedman and Persi Diaconis. For a set of...
    5 KB (633 words) - 16:35, 18 September 2024
  • Thumbnail for MACD
    often preferred. Histogram: Gerald Appel referred to bar graph plots of the basic MACD time series as "histogram". In Appel's Histogram the height of the...
    13 KB (1,899 words) - 07:53, 13 September 2024
  • rather than uniform. Histogram specification transforms the red, green and blue histograms to match the shapes of three specific histograms, rather than simply...
    15 KB (1,899 words) - 03:11, 21 April 2024
  • Thumbnail for Seven basic tools of quality
    Examples Cause-and-effect diagram Check sheet Control chart Histogram Pareto chart Scatter diagram Flow chart Run chart The seven basic tools of quality...
    7 KB (789 words) - 06:56, 11 June 2024
  • classification; it has further been determined that when LBP is combined with the Histogram of oriented gradients (HOG) descriptor, it improves the detection performance...
    9 KB (1,297 words) - 15:04, 12 June 2024
  • Thumbnail for Cumulative frequency analysis
    distribution, or histogram. Histograms, even when made from the same record, are different for different class limits. The histogram can also be derived...
    20 KB (2,336 words) - 15:20, 9 July 2022
  • (1+4+6+28+30+2+3+2+2)) = 9 Gray Level Histogram method Generally, given a gray level histogram from an image as below. Changing the histogram to uniform distribution...
    50 KB (5,184 words) - 16:40, 23 September 2024