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adimpro (version 0.9.3)

extract.ni: extract information about effective size of neighborhoods

Description

The function allows to extract information about the effective size of neighborhoods used in each pixel from objects generated by awsimage or awspimage. The result is converted into a greyscale image.

Usage

extract.ni(object, gammatype = "ITU", compress = TRUE)

Value

an object of class "adimpro".

Arguments

object

object returned from awsimage or awspimage.

gammatype

character, determines the type of gamma correction within the image. "ITU" stands for ITU-R BT.709-3 as e.g. used by dcraw. Alternatives recognized within the package are "None", "sRGB" and "CIE" (CIE L*).

compress

logical, if TRUE the returned image will be compressed.

Author

Karsten Tabelow tabelow@wias-berlin.de and Joerg Polzehl polzehl@wias-berlin.de

See Also

awsimage, awspimage, show.image, write.image