cmask | Cmask by Andre Bartetzki
kandi X-RAY | cmask Summary
kandi X-RAY | cmask Summary
written by Andre Bartetzki andre@bartetzki.de. This software is published under GPL terms, see file LICENSE.txt. This is software with ABSOLUTELY NO WARRANTY. Use it at your OWN RISK. For manual, examples, old binaries etc. see
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QUESTION
I have a question regarding the computeFeatures function of EBImage. I used the following code to compute the features.
...ANSWER
Answered 2019-May-08 at 15:00The functions hullFeatures
and drawtext
are defunct. hullFeatures
has been replaced by computeFeatures.shape
. Now one needs to use computeFeatures.moment
to find the position of each object. The base text
function is now used to add text to an image plotted in raster mode.
A great overview of EBImage
can be found in the vignette: vignette("EBImage-introduction", package = "EBImage")
. However, with version 4.22.1, the vignette no longer shows how to number the segmented objects. Here's a recreation of the example from the PDF dated April 22, 2010 by Pau, Sklyar and Huber.
To clarify the nomenclature a bit, the computeFeatures
family of functions return a matrix of dimension n x p
where n
is the number of segmented objects (rows) and p
is the number of features (columns). In this example, each object is a cell. The features returned by computeFeatures.moment
are m.cx, m.cy, m.majoraxis, m.eccentricity
and m.theta
. The position is specified by the first two features.
QUESTION
I have UTF-8 strings such as those below:
21st century
Other languages
General collections
Ancient languages
Medieval languages
Several authors (Two or more languages)
As you can see, the strings contain alphanumeric characters as well leading and trailing spaces.
I'd like to use PHP to retrieve the number of leading spaces (not trailing spaces) in each string. Note that the spaces might be non-standard ASCII spaces. I tried using:
...ANSWER
Answered 2018-Jul-20 at 18:56QUESTION
I was hoping I would solve this before I finished the post, but here it goes:
I have an array array1
with a shape (4808L, 5135L) and I am trying to select a rectangular subset of the array. Specifically, I am trying to select the all values in rows 4460:4807
and all the values in columns 2718:2967
.
To start I create a mask of the same shape as array1
like:
ANSWER
Answered 2017-Jan-29 at 01:47If I understood your question correctly, you're looking for the .copy() method. An example matching your indices and variables:
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