similar to: New package for morphology and smoothing in any number of dimensions: mmand

Hello! I need a function to compute the erosion of a binary image by a structuring element. I need the structuring element to be a ball of a given radius. As far as I know the libraries adehabitat and spatstat include functions of mathematical morphology but I couldn't find a function which computes the erosion by a ball. Any idea? Thanks!

I am having trouble using the "resize" function (in the package EBImage) with matrices containing double values. Let's say I have a matrix 'b' with these values:   > a = c(1.25,1.555,1.245,1.265,1.656,1.235,1.848,1.959,1.548,1.245454,1.989,1.24) > b = matrix(a,4,3) > b       [,1]  [,2]     [,3] [1,] 1.250 1.656 1.548000 [2,] 1.555 1.235 1.245454 [3,] 1.245 1.848

Dear all, As of the current R alpha release, I'm seeing timezone-related warnings on installing any package (including the recommended ones), which I haven't seen before. For example, [~/Documents/Source/R-alpha]$ bin/R CMD INSTALL ~/git/tractor/lib/reportr * installing to library '/Users/jon/Documents/Source/R-alpha/library' * installing *source* package 'reportr' ...

Fellow R Users: I'm not extremely familiar with lda or R programming, but a recent editorial review of a manuscript submission has prompted a crash cousre. I am on this forum hoping I could solicit some much needed advice for deriving a classification equation. I have used three basic measurements in lda to predict two groups: male and female. I have a working model, low Wilk's lambda,

Hello, I've been having some trouble working with the aroma package and have realized that it's my ebimage is at the root of the problem. The package builds but during testing it fails because of an undefined symbol as seen below: installing to /usr/local/lib64/R/library/EBImage/libs ** R ** inst ** preparing package for lazy loading ** help *** installing help indices **

Hello, Working with Windows 7 in a HP laptop with R-2.10.1 I download and installed ImageMagick-6.3.7.7-Q16-Windows-dll.exe and GTK 2.12.9-win32-2, then downloaded and installed from local file EBImage_3.2.0.zip and I got: > library(EBImage) Loading required package: abind Error in inDL(x, as.logical(local), as.logical(now), ...) : unable to load shared library

Hello all I've just spent a few joyless hours trying to get EBImage to install in R. I'm running Ubuntu (Hardy Heron), fully updated (including R and Imagemagick). EBImage installation seems to work, but when I 'library(EBImage)' I get the following: - - - - Error in dyn.load(file, DLLpath = DLLpath, ...) : unable to load shared library '/home/qilin/R/i486-pc-linux-

Hi, I have an S4 class directly derived from 'array' as shown in the code below (EBImage package of Bioconductor 2.1, devel), it simply contains array adding a couple of slots: setClass ("Image", representation (colormode="integer", filename="character", compression="character", resolution="numeric", features="list" ),

On Wed, Aug 13, 2008 at 6:56 AM, Laurent Gautier <lgautier@gmail.com> wrote: > There is a chance that further changes in the handling of plotting > devices event appear; > I think that there is an ongoing effort to bring new features for R-2.8. > > What about bumping that to r-devel ? (Sorry if you already did and I missed > it). > The solution you came up with could be

Hi group, I've spent half a day trying to figure this out and searched through different forums. I've tried to load EBImage but am getting the following problem: >Error in inDL(x, as.logical(local), as.logical(now), ...) : > cannot initialize ImageMagick >Error: package/namespace load failed for 'EBImage' My path is like this: C:\\Program

Dear R-help I want to display an image file in a new plot frame. SVG is my preferred format, but I can also consider PNG, GIF, JPEG, TIFF, and PPM (from ImageMagick). By way of background (although not material to this posting), the image file is generated by a call to 'dot' (part of the 'Graphviz' suite) after the required .dot file has been produced using hand-crafted R code.

Hi, on Windows XP Pro with R version 2.7.1 Patched (2008-06-27 r46012) the 'Cairo' and the 'EBImage' packages does not play well together. Loading EBImage before Cairo cause the following to happen: # Rterm --vanilla > library(EBImage); > library(Cairo) Error in inDL(x, as.logical(local), as.logical(now), ...) : unable to load shared library

Dear all, Following a suggestion by Henrik Bengtsson I installed EBImage/biocondutor package. I also installed ImageMagick and GTK software because EBImage need it. After look at EBImage I find a function that compute Haralick texture on images. I tryed to run it with following simulated image, but I get error. myimage<-as.Image(matrix(sample(100*100),nc=100)) image(myimage)

Dear lists: I am somewhat puzzled by the use of texi2dvi/pdflatex in R2.7.0. When building EBImage (bioconductor) with 2.7.0 I get the same error both in Windows and Linux, which reads the following: ** building package indices ... * DONE (EBImage) * creating vignettes ... ERROR /usr/bin/texi2dvi: pdflatex exited with bad status, quitting. Error in texi2dvi(file = bft, pdf = TRUE, clean =

Hi, I am working on writing some S4 classes that represent multidimensional (brain) image data. I would like these classes to support standard array indexing. I have been studying the Matrix and EBImage (http://www.bioconductor.org/packages/1.9/bioc/html/EBImage.html) packages to see how this is done. When using objects of the "array" class directly, R distinguishes between the calls:

Hello, all. I'm investigating the rate at which skeletal joint surfaces pass through a series of ordered stages (changes in morphology). Current statistical methods in this type of research use various logit or probit regression techniques (e.g., proportional odds logit/probit, forward/backward continuation ratio, or restricted/unrestricted cumulative probit). Data typically include the

Hi all, I'm a newbee using R. I need to do a classification tree using the rpart package. Basically I have a set of birds of known sex and several morphological measurements and we want to predict the sex using the morphology. I read my csv file and it shows up in R no problem, looks fine but when I execute the following rpart command

Hello, is there any one who uses C++ STL classes when programming shared libs for R and has had any problems with STL? In the very simple example below I am constantly getting segfaults when trying to populate the queue. The segfault occurs at what looks like a random index in the loop when pushing another element to the queue. Reproduced on 4 machines. Object x is an Image as in EBImage,

Dear Sir/Madam, I am using R-Image in an MSc statistics dissertation and have found, in various EBImage manuals a functions - bwimage, which I would like to use, however I can't find it within my version of R. Could you tell me if the function has changed or what I need to do to be able to use it. Many thanks Alice [[alternative HTML version deleted]]

Hi, I am looking for a R package which is capable to process and analysis pictures of tissues (stained) in an automatic way. I had a look on biops and EBImage (Bioconductor) but they are not automatic... Did you already use/know a such package ? Thanks, - Martial _________________________________________________________________ Tchattez en direct en en vidéo avec vos amis !