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Documentation
R
OpenImageR

gamma_correction

Gamma correction

Description

Gamma correction

Usage

gamma_correction(image, gamma)

Arguments

image

matrix or 3-dimensional array
gamma

a positive value

Details

This function applies gamma correction to a matrix or to a 3-dimensional array. The gamma correction controls the overall brightness of an image.

Value

depending on the input, either a matrix or an array

Author(s)

Lampros Mouselimis

Examples

path = system.file("tmp_images", "2.jpg", package = "OpenImageR")

image = readImage(path)

filt = gamma_correction(image, gamma = 0.5)
OpenImageR

An Image Processing Toolkit

v1.1.8
GPL-3
Authors
Lampros Mouselimis [aut, cre] (<https://orcid.org/0000-0002-8024-1546>), Sight Machine [cph] (findHOGFeatures function of the SimpleCV computer vision platform), Johannes Buchner [cph] (average_hash, dhash and phash functions of the ImageHash python library), Mohammad Haghighat [cph] (Gabor Feature Extraction), Radhakrishna Achanta [cph] (Author of the C++ code of the SLIC and SLICO algorithms (for commercial use please contact the author))
Initial release
2021-05-04

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