findOTRs: Find optimal threholding range

In GastonMauroDiaz/caiman: Canopy Image Analysis

Description

Find optimal threholding range.

Usage

findOTRs(files, df, mask, percentE = NULL, absoluteE = 0.001, fun = mean, ...)

## S4 method for signature 'character'
findOTRs(files, df, mask, percentE = NULL, absoluteE = 0.001, fun = mean, ...)

Arguments

files	character. The names of the canopy model photographs (extension included), which were renamed by getReady4ECM. If your working directory is the one that contains the photographs, use just the file name, otherwise, use the full path to the file.
df	data.frame.
mask	BinImage. See doMask.
percentE	numeric or NULL. Song et al. (2010) used 1 percent.
absoluteE	numeric of NULL.
fun	function. See calc
...	aditionals arguments for loadPhoto.

Value

data.frame

References

Song, G.-Z.M., Doley, D., Yates, D., Chao, K.-J., Hsieh, C.-F., 2014. Improving accuracy of canopy hemispherical photography by a constant threshold value derived from an unobscured overcast sky. Can. J. For. Res. 44, 17-27. doi:10.1139/cjfr-2013-0082

Examples

#TODO

GastonMauroDiaz/caiman documentation built on Jan. 22, 2022, 4:43 a.m.