Joris Meys jorismeys at gmail.com writes:
There might be a way doing that in R, but if you really need to take
measures of a picture in some standardized way, I suggest you take a
look at ImageJ. More than R that seems the right tool for the job.
Some people have been experimenting with
The package EBImage provides general purpose functionality for the
reading, writing, analysis and displaying of images.
library(EBImage)
x = readImage('lena.gif')
display(x)
ImageJ is OK to carry out some image processing operations. But if you
need to perform quantitative image analysis
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-Original Message-
From: r-help-boun...@r-project.org [mailto:r-help-boun...@r-
project.org] On Behalf Of oliver
Sent: Sunday, June 06, 2010 5:46 AM
To: r-h...@stat.math.ethz.ch
Subject: [R] Loading an image/picture (png/jpeg/...) to screen
Hello,
how can I load an external picture/image file to screen?
I want to use locator() then to get coordinates of that picture...
...in other words I want to use R to do some measurements on a picture.
Therefore I need to load the image into R display,
and that displaying needs to work
Hi,
Try this,
library(png)
example(readPNG)
HTH,
baptiste
On 6 June 2010 13:46, oliver oli...@first.in-berlin.de wrote:
Hello,
how can I load an external picture/image file to screen?
I want to use locator() then to get coordinates of that picture...
...in other words I want to use R
baptiste auguie baptiste.auguie at googlemail.com writes:
Hi,
Try this,
library(png)
example(readPNG)
[...]
If rasterImage would be available, I think this would be the right hint.
But it isn't.
So I can load the pic, but not display it. :(
Ciao,
Oliver
There might be a way doing that in R, but if you really need to take
measures of a picture in some standardized way, I suggest you take a
look at ImageJ. More than R that seems the right tool for the job.
Some people have been experimenting with connecting ImageJ and R, but
even without connection
On 7 June 2010 01:16, Oliver oli...@first.in-berlin.de wrote:
baptiste auguie baptiste.auguie at googlemail.com writes:
Hi,
Try this,
library(png)
example(readPNG)
[...]
If rasterImage would be available, I think this would be the right hint.
It is available when you use the latest
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