imageEntropy: Calculate the entropy of the image
In CulturalAnalytics: Functions for statistical analysis and plotting of image properties
Description
Usage
Arguments
Details
Value
Examples
Description
A function that calculates the entropy of the image based on its histogram.
Usage
1
imageEntropy(histogram)
Arguments
histogram
A histogram of the image pixel values, as calculated by the
hist() function.
Details
The entropy of an image is a useful indicator of how visually complex the image is.
Value
A value representing the entropy of the image.
Examples
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library(CulturalAnalytics)
library(jpeg)
imgdir<-paste(system.file(package = "CulturalAnalytics"), "images", sep = "/")
imgs<-paste(imgdir, dir(path = imgdir, pattern = ".jpg"), sep = "/")
img<-readJPEG(imgs[1])
histogram<-hist(imageToIntensity(img), breaks=0:255/255, plot=FALSE)
entropy<-imageEntropy(histogram)
CulturalAnalytics documentation built on May 2, 2019, 5:24 p.m.
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Description Usage Arguments Details Value Examples
Description
A function that calculates the entropy of the image based on its histogram.
Usage
1 | imageEntropy(histogram)
|
Arguments
histogram |
A histogram of the image pixel values, as calculated by the
|
Details
The entropy of an image is a useful indicator of how visually complex the image is.
Value
A value representing the entropy of the image.
Examples
1 2 3 4 5 6 7 | library(CulturalAnalytics)
library(jpeg)
imgdir<-paste(system.file(package = "CulturalAnalytics"), "images", sep = "/")
imgs<-paste(imgdir, dir(path = imgdir, pattern = ".jpg"), sep = "/")
img<-readJPEG(imgs[1])
histogram<-hist(imageToIntensity(img), breaks=0:255/255, plot=FALSE)
entropy<-imageEntropy(histogram)
|
R Package Documentation
Browse R Packages
We want your feedback!
Note that we can't provide technical support on individual packages. You should contact the package authors for that.
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