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measuRing: Detection and Control of Tree-Ring Widths on Scanned Image Sections

Identification of ring borders on scanned image sections from dendrochronological samples. Processing of image reflectances to produce gray matrices and time series of smoothed gray values. Luminance data is plotted on segmented images for users to perform both: visual identification of ring borders or control of automatic detection. Routines to visually include/exclude ring borders on the R graphical devices, or automatically detect ring borders using a linear detection algorithm. This algorithm detects ring borders according to positive/negative extreme values in the smoothed time-series of gray values. Most of the in-package routines can be recursively implemented using the multiDetect() function.

Version: 0.5
Imports: pastecs, png, tiff, dplR
Published: 2018-02-20
DOI: 10.32614/CRAN.package.measuRing
Author: Wilson Lara, Carlos Sierra, Felipe Bravo
Maintainer: Wilson Lara <wilarhen at gmail.com>
License: GPL-3
NeedsCompilation: no
Citation: measuRing citation info
Materials: NEWS
CRAN checks: measuRing results

Documentation:

Reference manual: measuRing.pdf

Downloads:

Package source: measuRing_0.5.tar.gz
Windows binaries: r-devel: measuRing_0.5.zip, r-release: measuRing_0.5.zip, r-oldrel: measuRing_0.5.zip
macOS binaries: r-release (arm64): measuRing_0.5.tgz, r-oldrel (arm64): measuRing_0.5.tgz, r-release (x86_64): measuRing_0.5.tgz, r-oldrel (x86_64): measuRing_0.5.tgz
Old sources: measuRing archive

Reverse dependencies:

Reverse imports: MtreeRing

Linking:

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These binaries (installable software) and packages are in development.
They may not be fully stable and should be used with caution. We make no claims about them.
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