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Questions tagged [mri]

Matz's Ruby Interpreter or Ruby MRI (also called CRuby) is the reference implementation of the Ruby programming language named after Ruby creator Yukihiro Matsumoto ("Matz"). Until the specification of the Ruby language in 2011, the MRI implementation was considered the de facto reference.

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Setting up a XNAT server with a NAS

I'm setting up an XNAT server using their container service. But I want to archive my files in a separated server/NAS. Has anyone done this before? Any tutorial on this? Thanks.
Rogério Moreira
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Why can't I print the result of reduce/inject directly

Found an interesting quirk in the ruby interpreter - at least in MRI 2.4.2. As far as I can tell, each of the below code snippets should print '123'. If I try to print the result of reduce directly, I get NoMethodError: undefined method '' for…
iCodeSometime
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Clarification/Confusion Regarding Repetition Time in typical fMRI study

I am a new comer to fMRI/NeuroScience, so my apologies if this question is too basic. I understand that repetition time(TR) is the time between successive RF pulses, for measuring the fMRI signal.Also there are TrialOnSet Times, at which we show the…
gmatharu
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where from i can download x-ray and MRI images in .jpeg format?

I am going to start research on digital medical image watermarking.For embedding the watermark i need x-ray or MRI images in JPEG format. I need some website link where from i can download the x-ray or MRI images.
Uttam Kumar
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Rails 5 starting thread from initializer gone crazy

I have the following code in config/application.rb: config.after_initialize do MyConcern.init_processing end Then the following related methods: def init_processing @queue_processor = Thread.new do process_op_queue end …
akostadinov
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FSL (preprocessing BedPostX) Error: Error in logfile. What does this mean?

When I do BedpostX FSL preprocessing I get this message: ----- Bedpostx Monitor ----- 1 slices processed out of 62 2 slices processed out of 62 . . . 59 slices processed out of 62 60 slices processed out of 62 An error ocurred. Please check file…
mangan
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Is there some reason to call the Garbage Collector manually?

Can someone give me an example about a situation when call GC.start is a good idea? I was reading the GC class documentation, but I can't imagine a good situation to use it...
Pedro Vinícius
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Use gems with c-extensions in JRuby, or port them to Java?

I'm doing a fuzzy match test between an input string and some previously entered strings. The test is performed live while typing. I already have a shockingly accurate algorithm in place called StrikeAMatch, which has been translated into many…
Cjoerg
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Making parallel calls with twitter gem

I am using twitter gem to make API calls from my app and fetch some data. I have an array of user_ids and I want to fetch all tweets of each user by doing something like this: user_ids.map {|user_id| Client.user_timeline(user_id)} Is there any way…
Sahil Goel
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Co-registering mri with fdg of different sizes

I want to co-register fdg images with mri images that have different sizes. I have tried using SPM but was not able to do it. Can some one tell me the steps to follow? Do I need to resize or resample one of the images?
Aditi Pathak
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Matlab Programming: 3D radon transform using iradon.m function

I'm doing a piece of Matlab code for reconstruction of radial 3D NMR data. However, since the radon functions built into Matlab are only 2D, I will have to apply them twice. After the first iradon transform in my code I get out projections of the…
Chris88
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segmentation deep leaning model for medical images

I am trying to implement a segmentation model for medical images. my question is should I train the segmentation model with both the normal and up-normal samples. Or each one in a different model(the normal and abnormal samples)? I am a little…
Ersaa
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Where error message ArgumentError: no id given comes from when calling method_missing

When you call method_missing with first parameter as 'string' instead of :symbol you get this cryptic error message: BasicObject.send(:method_missing, 'any-method') ArgumentError: no id given from (pry):3:in `method_missing' When you look at the…
Filip Bartuzi
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