Re: alignment with whole pixel shift

Posted by Glen MacDonald-2 on
URL: http://imagej.273.s1.nabble.com/alignment-with-whole-pixel-shift-tp4999781p4999807.html

HI,
that does work.  I had been mostly using StackReg, since it has a simple interface gave consistent results with prior datasets.  But SIFT seems to align these time stacks well.  I will need to become familiar with its parameters.


Thanks,
Glen

> Hi Glen,
>
> to avoid interpolation, just switch it off.  It does not matter whether
> an alignment method estimates a sub-pixel translation if only it renders
> the result by nearest-neighbor interpolation.  In Fiji's Register
> Virtual Stack Slices and Linear Stack Alignment with SIFT, you can
> uncheck `interpolation'.
>
> Best,
> Stephan
>
>
>
>
>
> On Wed, 2012-08-15 at 11:37 -0700, Glen MacDonald wrote:
>> Hello,
>> Are there any plugins that will align a time-lapse stack with whole pixel shifts, thereby avoiding interpolation of intensities?   I'm needing to align some time-lapse images in order to measure intensities.  Sub-pixel precision is not necessary.  so far, searching the list server and plugin websites have not provided any answers.
>>
>> Thanks,
>> glen
>>
>>
>> Glen MacDonald
>> Cellular Morphology Core
>> Center for Human Development and Disability
>> Box 357920
>> University of Washington
>> Seattle, WA 98195-7920  USA
>> (206) 616-4156
>> [hidden email]
>>
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>
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