A color bank composed of frequency counts of each color within a picture, pixel map, or bitmap at a particular resolution.

A graphic display that represents the distribution of tones within an image.

The distribution of pacing states (PR, PV, AR, AV or PVE), sensor indicated pacing rates or other data based on data collected by event counters and displayed in a bar graph format by the programmer and based on data collected by event counters.

a graph which represents the frequency distribution for a set of data with rectangles having heights to represent the frequencies and widths to represent the data intervals; a histogram looks similar to a bar graph except there are no spaces between the rectangles or bars

Graph in which data are presented as a series of bars alongside each other.

(n) A visualization technique used to summarize data by reporting the number of data points that fall within a certain range of values. Histograms are often represented as bar graphs. Because histograms provide only a summary, they depict the original information only indirectly.

A bar graph analysis tool that can be used to identify contrast and dynamic range of an image. Histograms are found in the more advanced digicams and software programs (graphic editors) used to manipulate digital images. The histogram shows a scale of 0 - 255 (left to right) with 0 being black and 255 being white.

A chart that displays data in distribution, generally in graph format. It may be used to reveal the variation that any process contains.

A multiple-bar diagram representing the frequency distribution of a group as a function of some variable. The frequency of each class is proportional to the length of its associated bar.

Bar graph of the frequency distribution, with score limits on the horizontal axis and frequency of cases on the vertical axis

Graph in which rectangles are used to represent frequencies of observations within each interval.

a chart that represents the number of pixels within an image that have the same intensity values. The Y axis is the number of pixels per value which is charted on the X axis

a graph obtained by dividing the range of the data set into equal intervals and plotting the number of data points in each interval.

Allows you to see the exposure over a grayscale range also known as dynamic range. This will show you the level of brightness for each pixel and will tell you if your picture is over-exposed, under-exposed or normal.

a graphic display of a frequency table using rectangular bars with heights equal to the frequency in a particular class.

a graph representing the data produced by the flow cytometer. Both x- and y-axes indicate increasing brightness of fluorescence of the markers attached to the cells.

A graphic summary of variation in a set of data. The pictorial nature of the histogram lets people see patterns that are difficult to detect in a simple table of numbers. The histogram is one of the "seven tools of quality."

A graph that describes the grayscale distribution among all the pixels of an individual image. A histogram can be used to discern shadows, highlights, and distribution within the midtones.

A graph showing the relative distribution of PIXELS of various densities in an image. The histogram shows the number of pixels with high density on the left and low density on the right. Its purpose is to show the distribution of tone throughout an image. An image with no shadows will have a histogram with a valley on the left; a histogram with no hilights will have a valley on the right. The histogram below shows an image with a good deal of shadows, MIDTONES, and hilights, but less QUARTERTONES.

A statistical analysis of the number of pixels at each brightness level in an image.

A graph, or diagram showing the statistical distribution of values on a map, where the height of a column represents the frequency and the base represents categories as time intervals.

A graphic representation of a frequency distribution.

Two dimensional graph of data (i.e., content vs. cell number)

A univariate frequency diagram in which rectangles proportional to the area to the Class Frequencies are erected on contiguous sections of the horizontal axis, the width of each section representing the corresponding class interval of the variate.

A graph of the numbers of pixels at each brightness level in an image

Diagram or image showing frequency distribution -- shows number of values which fall into contiguously defined classes (value ranges).

A bar graph showing the frequency in each class using class intervals of the same length.

A special form of 'column chart', particularly used in statistical applications, using vertical columns to display the value of the data point or the average value of a range of data points in a limited set of classes.

A graph that traces the levels of red, blue, green and luminance throughout the image. All four value components should be evenly distributed across the graph. Unchecking one or more of the values turns off the trace for that value. There are two commands, Equalize and Stretch available from the Colors Menu (sub) Histogram Functions. The Equalize Command will average the traces in the Histogram and should smooth the image. The Stretch Command spreads out the image luminance similar effect as Brightness/Contrast.

In image processing, a representation of a frequency distribution of gray levels by means of rectangles whose widths represent class intervals and whose heights represent a corresponding number of pixels for a given gray level.[Go to Top of Page

Graphic representation of frequency of distribution of a continuous variable. It is used to describe the outbreak throughout time.

A diagram composed of a number of rectangles drawn adjacent to each other such that the area of each rectangle is proportional to the frequency of observations in the class interval represented by the width of the rectangle.

A way of expressing the frequency of occurrence of values in a data set within a series of equal ranges or bins, the height of each bin representing the frequency at which values in the data set fall within the chosen range. A cumulative histogram expresses the frequency of all values falling within a bin and lower in the range. A smooth curve derived mathematically from a histogram is termed the probability density function.

a graphic presentation of frequency of a phenomenon.

A representation of data by vertical bars, the heights of which indicate the frequency of energy or time events.

An analysis tool consisting of a bar graph that can be used to identify contrast and dynamic range image problems. Histograms are found in high-end imaging software used to manipulate digital images.

A graphic display of planned and or actual resource usage over a period of time. It is in the form of a vertical bar chart, the height of each bar representing the quantity of resource usage in a given time unit. Bars may be single, multiple, or show stacked resources.

a visual representation used for grouped data for a numerical variable. The histogram consists of adjacent rectangles, each standing on a class interval. The area of each rectangle is proportional to the frequency of observations falling in a class interval. Class intervals are often on the horizontal axis and all have the same width; the rectangles are vertical. Frequency density is read on the vertical axis. A bar graph is not a histogram.

a bar chart representing a frequency distribution; heights of the bars represent observed frequencies

a bar chart in which the data are organized into groups (intervals of the continuous possible outcomes)

a bar chart of an interval variable

a bar chart that plots the number of occurrences that fall into each of several bins or categories

a bar chart with no spaces between bars

a bar graph in which each bar represents some particular variable, and the height of each bar represents the number of cases of that variable

a bar graph of frequencies of different numerical values within a population

a bar graph on which the bars are adjacent to each other with no space between them

a bar graph that provides a picture or description of scores

a bar graph without spaces between the bars used for continuous data

a bar (or column) chart

a basic graphing tool that displays the relative frequency or occurrence of continuous data values showing which values occur most and least frequently

a chart, a visual representation, of the commonness of each tone in an image

a chart in which data values are counted and placed into buckets, each bucket counts the number of data items that fall into it's range, the buckets are then displayed in a bar chart

a chart like the one at the top of the next page

a chart of the weighted grade average distribution for each class

a chart that illustrates the distribution of pixel levels (densities)

a chart that is similar to a bar chart, but it is used for interval and ratio level variables

a chart (usually a simple column chart) that takes a collection of measurements and plots the number of measurements (called the frequency ) that fall within each of several intervals (called bins )

a column chart which shows the distribution of a population's values over the range of values

a diagram which consists of rectangles with areas proportional to the relative frequencies of the classes

a distribution chart of pixel brightness levels, popular in both digital still cameras and photo-editing programs like Photoshop

a good tool for visually examining the distribution

a graphical display of the data in a table of frequencies

a graphical illustration of the tones in an image, and how they are distributed

a graphical presentation of an estimate for the density (for continuous random variables ) or probability mass function (for discrete random variables) of the population

a graphical presentation of an estimate for the frequency distribution of the population

a graphical representation of the brightness values that comprise an image

a graphical representation of the distribution of colors by order of brightness from black to white

a graphical representation of the light and dark values in your photo

a graphical representation of the light values of the image

a graphical representation of the tones displayed in your image

a graphical way of presenting a frequency distribution

a graphic representation of a series of values

a graphic representation of the requency distribution of a variable

a graph in which the continuous variable is clustered into categories and the value of each cluster is plotted to give a series of bars as above

a graph of grouped (binned) data in which the number of values in each bin is represented by the area of a rectangular box

a graph of image color values, typically RGB values and/or luminance

a graph of light/darkness values vs number of pixels at that luminosity value

a graph of the distribution of red, green, blue, greyscale, hue, saturation, and/or lightness values in an image

a graph of the distribution of tonal values within an image

a graph of the tones captured in an image

a graph or table that shows the relationship between each brightness level in a picture and that fraction, amount, or percentage of the picture that has that brightness level

a graph that depicts the tonal range of an image

a graph that shows how the values in a collection distribute between their minimum and maximum

a graph that shows the distribution of dark (shadows) and bright (highlights) data in an image

a graph that shows you exactly how well exposed a picture is (or will be)

a graph that uses bars to display how frequently data occur within equal intervals

a kind of bar chart, in which you have a number of data ranges, or "bins," on the X axis (the horizontal axis)

a kind of graph, but it's different from the continuous graphs you use in algebra

a kind of plot that summarizes how data are distributed

a means of analyzing the dispersion in a process, illustrating the distribution of measured values for a part dimension

an easy way to see the distribution of the data, its average, and variability

a particular kind of bar graph

a plot of the data, which has possible values on one axis and frequencies or counts for those values on the other axis

a plot of the frequency with which a variable takes on various values

a plot that graphically presents the probabilities of a system

a specialized graph or plot used in statistics

a specialized type of bar chart

a special kind of bar graph, where the horizontal axis is quantitative

a special kind of plot that measures how frequently certain values, or values in certain ranges, occur in a collection of numbers that arise in your model

a special type of bar chart where all of the bars touch each other

a statistical chart, showing how often certain pixel values occur

a type of bar chart used to depict how measurements vary from the mean value

a type of bar chart, with the heights of bars corresponding to the frequencies in each class

a type of graph in which the x-axis lists categories or values for a data set, and the y-axis shows a count of the number of cases falling into each category

a very powerful measuring tool that graphically represents the data within an image file

a way of visualizing a frequency table graphically--of making a picture from a frequency table

A graphical display representing continuous data in different categories or groups.

A graphic representation of the range of tones from dark to light in a photo. This feature is found in some digital cameras and can be checked with most editing software.

Graph showing distribution of tones or brightness values of an image.

An electronic tool in PhotoShop and other image editors, that shows the relative distribution of the density of pixels in a scan. It is used to gauge the evenness of distribution of shadow and highlight tones in scanned digital images.

A bar graph in which the labels for the bars are numerical intervals.

a graph of the frequency of a data set

A type of bar graph that indicates frequency of occurrence of particular values.

A graph that plots the most predominant colors against a spectrum of colors.

A graphical representation of the variation displayed by a population during a period of time. More formally, it is a frequency distribution showing how data is distributed along the abscissa or horizontal axis of the graph. Histogram Example

A histogram function on a digital camera is a graph showing the number of pixels (y-axis )on each brightness from black to white.(x-axis)

A graphic display used to plot the frequency with which different values of a given variable occur. Histograms are used to examine existing patterns, identify the range of variables, and suggest a central tendency in variables.

A graphical description of individual measured values in a data set that is organized according to the frequency or relative frequency of occurrence. A histogram illustrates the shape of the distribution of individual values in a data set along with information regarding the average and variation.

A histogram is a graph of number of pixels versus pixel value. Pixel values run from lowest (displayed as black) to highest (displayed as white). A bar is plotted for each pixel value showing the number of pixels in the image with that value. An astronomical image typically has more bars toward the lower (darker) end of the histogram since most astroimages contain are large amount of dark sky around a brighter (but small) object. For more information on histograms and how they are used for image processing and display, click here.

plot of the number of pixels for each possible grayscale value. A histogram is a graph that shows the distribution of intensities in an image. The horizontal axis represents the full range of tonal values, the vertical axis indicates the number of pixels for each intensity value. Highkey - an image where the histogram is weighted toward the white point, thus resulting in a light image. Lowkey - an image where the histogram is weighted toward the black point, thus resulting in a dark image

A graphic representation of the frequency distribution of a continuous variable. Rectangles are drawn in such a way that their bases lie on a linear scale representing different intervals, and their heights are proportional to the frequencies of the values within each of the intervals.

A measure of the amplitude distribution of pixels within an image.

A graphical presentation of data by the areas of rectangular blocks, arranged in vertical or horizontal columns.

a bar graph that shows the frequency distribution for a set of data.  The graph is noted for the labels of the bars being given in intervals and for no spaces between successive bars.

A graphic means of comparing magnitudes of frequencies or numbers of items; usually shown in bar graphs or columns.

A graphical representation of a data set. Also called a frequency histogram.

A graphic representation of the distribution of tones within an image. The horizontal axis represents each pixel value possible from black to white. The vertical values indicate the number of pixels in the image that occur at each value level.

A graphic representation of the range of tones from dark to light in a photo. Some digital cameras include a histogram feature that enables a precise check on the exposure of the photo.

A bar graph such that the area over each class interval is proportional to the relative frequency of data within this interval

A graphic representation of the brightness and color in a scene based upon the frequency of occurrence of each value.

graph showing resource usage on the vertical axis against time on the horizontal axis. [D03854] PNG graph ic display of resource usage over a period of time. It allows the detection of overused or underused resources. The resource usage is display ed in colored vertical bars. The ideal level for a resource on the screen is indicated by a another color (typically red). (The printed histogram uses a horizontal line to display the maximum usage set in the Resource Label window.) If the resource bar extends beyond the red area for any given day, resources need to be leveled (or spread out) for proper allocation. The resource histogram s should be checked after resources are assigned to the project activities. [D00790] WST PMST A vertical bar chart showing (usually) resource allocation levels over time in a project. [D03718] PPS&C p340

(1) The most common graphical presentation of quantitative data. The variable of interest, such as fiber diameter measured in microns, is placed on the horizontal axis and the frequency values, such as the percentage of fibers per micron, are placed on the vertical axis. (2) A micron test report that includes administrative information provided by the identification sent in with the individual sample. The histogram on such a report depicts the measurement of 2000 fibers in scale.

A graph that plots the distribution of an image's tones across the digital tonal scale. The X axis is the digital tonal scale with black (0) on the left and white (255) on the right. The Y axis is the relative quantity of the number of points in an image that fall into a digital tone. For more information, click here.

Graph of a spectrum with color or wavelength on the horizontal axis and intensity on the vertical axis. The histograms in this lesson show the intensity for each color as a vertical bar with a height equal to that color's intensity number on a scale of 0-20. The colors are ordered along the horizontal axis in the order they appear in a rainbow. Use the "back" button to return to the lesson. H-R diagram A graph of stars plotted with luminosity along the vertical axis and temperature (decreasing) along the horizontal axis. This causes certain types and ages of stars to cluster together. H-R diagrams are an extremely useful way to observe how stars are transformed during their lifetimes of billions of years. See one here. Use the "back" button to return to the lesson.

A graphic display of information which shows the frequency of occurrence along the vertical axis and the individual values along the horizontal axis.

A chart displaying the tonal ranges present in an image as a series of vertical bars.

A type of statistical graph that uses bars, where each bar represents a range of values and the data is continuous.

A graphical representation of a frequency distribution. The range of the variable is divided into class intervals for which the frequency of occurrence is represented by a rectangular column. The height of the column is proportional to the frequency of observations within the interval.

A bar chart where the area, rather than just the height of the bar, serves as the comparison.

a graph of frequency distribution in which equal intervals of values are marked on a horizontal axis and the frequency corresponding to each interval is indicated by the height of a rectangle having the interval at its base.

A bar graph that shows the frequency distribution of a variable by means of solid bars without any space between them.

The graphical display of dataset values showing the frequency of occurrence (on the vertical axis) of individual measurements or values grouped by interval bins along the horizontal axis; also referred to as a frequency distribution.

A two-dimensional graphic representation level of occurrence in a photo of the range of tones from dark to light with horizontal the brightness and vertical the number of pixels. Useful for checking if the image is under or overexposed.

A method of showing data in a graph. The data appear as bars running up and down (vertical) or sideways (horizontal).

A chart used to graphically summarise and display the distribution of a process data set

A graphic rendering of a frequency distribution which depicts the distribution by a series of contiguous rectangles. See also frequency distribution.

graph indicating sleep stages thoughout the night.

In the GDDM function, a chart in which each value of the dependent variable corresponds to a range of values of the independent variable (represented by the width of the associated bar). For example, such a chart might display the number of people in various age ranges. In Performance Tools, a bar graph used in the performance advisor to display the variations over time of one type of data in a performance data collection.

A bar chart of a grouped frequency distribution.

A graph showing frequency distributions.

A graph showing the number of pixels at each level of brightness in an image.

is a graphical display showing the distribution of data values in a sample by dividing the range of the data into non-overlapping intervals and counting the number of values that fall into each interval. These counts can be divided by the total number to give a frequency of occurrence. Bars are plotted with height proportional to the frequencies. [6] Top A-C D-H I-M N-R S-Z

A bar chart that shows the frequency of occurrence of events in different classes or intervals.

Represents the frequency distribution of values of a variable by rectangular bars. The width of the bars represent classifications or ranges of values of the variable. The heights of the bars represent the frequencies of values falling into the corresponding classification or range.

A histogram is a frequency count of the number of occurences for each DN value in an image.

A bar graph analysis tool that can be used to identify contrast and dynamic range image problems. Histograms are found in most software programs that are used to manipulate digital images.

A graph of a frequency distribution of numerical observations.

Process centering, spread, shape, and to summarize data from a process that has been collected over a period of time, and graphically present its frequency distribution in bar form.

A bar like graph that shows the distribution of gray tones in an image.

A specialized bar chart showing the distribution of measurement data. It will pictorially reveal the amount and type of variation within a process.

A vertical block graph with no spaces between the blocks. It is used to represent frequency data in statistics.

The grouping of data into bins, plotting the number of members in each bin against the bin number.

A representation of a frequency distribution by means of rectangles whose widths represent class intervals and whose areas are proportional to the corresponding frequencies. A graph defining the contrast and dynamic range of an image.

A vertical bar graph with each bar representing a certain interval and no spaces between the bars. hypotenuse- The side opposite the right angle in a right triangle. identify- To state, match, select, write.

A graph of contiguous vertical bars representing a frequency distribution in which the groups or classes of items are marked on the x axis and the number of items in each class is indicated on the y axis. The pictorial nature of the histogram lets people see patterns that are difficult to see in a simple table of numbers. The histogram is one of the seven tools of quality.

A chart consisting of horizontal or vertical bars, the widths or heights of which represent the values of certain data.

Frequency distribution. Metadata describing the distribution of data values within a table. Histograms are used by the Oracle Query Optimizer to predict better query plans. The ANALYZE command is used to compute histograms.

A graphic representation of how brightness and darkness pixels are distributed in an image. A histogram skewed heavily to the left indicates a dark image, while a histogram skewed to the right indicates a light image.

A special kind of vertical bar graph that displays the frequency of data that has been organized into equal intervals. The intervals cover all possible values of data so there are no spaces between the bars of the graph. The horizontal axis is divided into continuous equal intervals. It is used to represent frequency data in statistics.

Histogram is a bar graph of a frequency distribution in which the widths of the bars are proportional to the classes into which the variable has been divided and the heights of the bars are proportional to the class frequencies.

A bar chart that reflects the location and shape of a frequency discontinuous distribution.

A graphical display which represents the distribution of tones within an image. The horizontal co-ordinate represents each pixel value possible from black to white. The vertical values indicate the number of pixels in the image that occur at each value level.

In statistics, a histogram is a graphical display of tabulated frequencies. A histogram is the graphical version of a table which shows what proportion of cases fall into each of several or many specified categories. The categories are usually specified as nonoverlapping intervals of some variable.

an alternative to a stemplot for displaying data

a picture that shows how a set of data is spread out and how it is bunched together

a priori, but are more robust when the parametric test are more robust when the appropriate parametric models differ from data

a standard way of representing a collection of data

a way of summarising data that are measured on an interval scale (either discrete or continuous)

a useful tool for evaluating the tonal range in your images

The Histogram Functions modify an image or a selection within that image based upon its luminance histogram. See the Histogram Tutorial for more detail.

an approximate compact statistic of the database contents and it is used for estimating result sizes of operators

A problem solving/statistical tool used to measure central tendencies and dispersion.