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Re: rendering a 3D image from side views only

Posted by Herbie on Oct 21, 2019; 9:47pm
URL: http://imagej.273.s1.nabble.com/rendering-a-3D-image-from-side-views-only-tp5022558p5022560.html

Sorry it must read:

z > N * π * 0.5

Regards

Herbie

::::::::::::::::::::::::::::::::::::
Am 21.10.19 um 23:29 schrieb Herbie:

> Good day!
>
> This post was cross-posted to the IJ-Forum:
> <https://forum.image.sc/t/3d-model-without-stacks/30598>
>
> If you think of tomographic reconstruction you must specify the maximum
> number N of  linear independent resolution elements across the diameter
> of your top view. Given this number, the minimum number of angle
> increments z that is necessary for the adequate reconstruction of
> z-slices is:
>
> z > N * π * 0.5
>
> I don't think that 360 / z = 10deg will be sufficient.
>
> Regards
>
> Herbie
>
> :::::::::::::::::::::::::::::::::::::::
> Am 21.10.19 um 22:38 schrieb BananaBoy:
>> Hi, I'm pretty new to imageJ and image analysis in general but I have a
>> question that I cannot seem to find a clear answer to which is the
>> following:
>>
>> I would like to construct a 3D model of a plant's root system by
>> taking side
>> views (and potentially a top view) images. For obvious reasons, I cannot
>> create a stack of slices along the vertical axis. Is this possible?
>>
>> For example, I could create a setup where the plant is at a fixed
>> position
>> from the camera (with naked and clean roots hanging in the air). I could
>> then rotate the plant 360 degrees in increments of 10 degrees, so 35
>> pictures in total.
>>
>> Is ImageJ capable of rendering a 3D model of this root system?
>>
>>
>> Thank you.
>>
>>
>>
>> --
>> Sent from: http://imagej.1557.x6.nabble.com/
>>
>> --
>> ImageJ mailing list: http://imagej.nih.gov/ij/list.html
>>
>
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