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reconstructing a 3D from projections: msg#00125

java.imagej

Subject: reconstructing a 3D from projections

Dear all,

When you have a stack containing a 3D object (a series of MR images, for example) and you use

Image > Stack > 3D projection

you get a stack of projections of the object, rotating around it in intervals of certain decided degree. I would like to do just the opposite function. Having an stack of projected images get a 3D object (sort of reversed 3D projector plugin). I thought that what I needed was a backprojection reconstruction plugin. So I tried the backprokection plugin form Michel Abramoff, included in the bij plugin package would do that. Somehow I got weird images what do not correspond to a 3D object. Maybe I am using the plugin wrong or maybe this is not the plugin I need. Does anyone now how to address this issue. Thanks

Pedro




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