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ripa (version 2.0-2)

R Image Processing and Analysis

Description

A package including various functions for image processing and analysis. With this package is possible to process and analyse RGB, LAN (multispectral) and AVIRIS (hyperspectral) images. This packages also provides functions for reading JPEG files, extracted from the archived 'rimage' package.

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Version

Install

install.packages('ripa')

Monthly Downloads

28

Version

2.0-2

License

GPL (>= 2) | file LICENSE

Maintainer

Talita Perciano

Last Published

May 30th, 2014

Functions in ripa (2.0-2)

fftImg

Compute FFT image
ripa-package

R Image Processing and Analysis
print_information.aviris_band

Function to print an AVIRIS band
stretchImg

Function to apply contrast linear stretch
print.imagematrix

Print information on a given imagematrix object
write.lan

Function to save LAN images
clipping

Clipping image
read.lan

Function to read a LAN image
Grey

Interface for gray scale view for AVIRIS images
imagematrix

Generate an imagematrix, i.e. primary data structure of rimage
lscene

Interfece to load an AVIRIS image scene
limage

Interface to load the header of an AVIRIS image
plot_band.aviris_band

Function to plot an AVIRIS band
aviris_image-class

Class "aviris_image"
contBriImg

Contrast and brightness of an image
takeSamples

Function to take training samples for AVIRIS images
Zprofile

Function for Z Profile
print_information.aviris_image

Function to print an AVIRIS image
highpass

High pass filter for image
cgauss

Contrast Gaussian expansion algorithm for AVIRIS images
checkTab

Function to check active tab
wband

Interface to save an AVIRIS image band
logo

R logo imagematrix
lowpass

Low Pass Filter for Image
rgb2grey

Convert color imagematrix to grey imagematrix
RIPAgui

Function to build the ripa package GUI
loadBandSample

Function to load an AVIRIS image band sample
initialize-methods

Methods for Function initialize
aviris_band-class

Class "aviris_band"
RGB

Interface for RGB view for AVIRIS images
aviris_training-class

Class "aviris_training"
zoomGrey

Function to apply zoom to grey images
read.aviris

Function to read an AVIRIS image
print_information.aviris_training

Function to print an AVIRIS training category
zoom

Interface for zoomGrey and zoomRGB
contrast

Interface to choose the contrast expansion type
zoomRGB

Function to apply zoom to RGB images
lbandsample

Interface to load an AVIRIS image band sample
ripaEnv

Environment for package ripa
aviris_scene-class

Class "aviris_scene"
clineal

Contrast linear expansion algorithm for AVIRIS images
loadBand

Function to load an AVIRIS image band
fftw

Apply FFT to 2-Dimensional Data
medianImg

Median filter
modalDialog

Modal dialog
normalize

Normalization for vector and matrix
imageType

Get information on color type of imagematrix
writeBand

Function to save an AVIRIS image band
plot.imagematrix

Plotting an imagematrix object
print_information.aviris_scene

Function to print an AVIRIS scene
lband

Interface to load an AVIRIS image band