I need help!!

[Gao Yuan]

> Dear sir:
>      I need your help.Recently ,I  do some research about filter
> back
> projection
> reconstruction, and I get some projection data on
> http://rsb.info.nih.gov/ij/images/
> name is stack-projections.zip , I want to get cross-section images
> (by filter back projection )with these rotate image, firstly, I
> spectlate that
> the back projector module in volume J
> (http://bij.isi.uu.nl/vr.htm)can 
> help me
> to realize our objective, I guess the back projector can help me!
> But in
> fact, I can not  do with the module, the module does not work,and
> I
> only get black image.I do not  know the reason? I look forward to
> anyone answer.I have write a mail to the author of the module,
> but the author can not give me the final response.
>
>
>                                                                  
> gao
> yuan
>
>
> gaoyuan, PhD for candidate
> wuhan university , School of Dentistry
> phone [phone] 13517260193
> e-mail [hidden email]
>
>