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<p>Hi Kajal,</p>
<p>Both reference and output images are saved in interfile. You
should be able to open it with any image editor supporting this
format. The .img file is a .raw image of 112x112x109 voxels of
2.0x2.0x2.027 mm.<br>
</p>
<p>Regarding your results, several users with recent compilers
experienced similar issues with the benchmark. The difference
values weren't as high as in your results though. Could you tell
us what is your computer hardware/OS ? And what is your compiler ?
Is there any artifact in the generated image ?<br>
<br>
Did you try the other benchmarks as well ?</p>
<p>Best regards,</p>
<p>Thibaut</p>
<br>
<div class="moz-cite-prefix">On 13/07/2017 09:50, Kajal Aggarwal
wrote:<br>
</div>
<blockquote
cite="mid:CAGb=JVg+3DD5dTy+CB1KCa8x-rYp1-SjwS6LoQmTou+TbLOX2Q@mail.gmail.com"
type="cite">
<div dir="ltr">
<div>Hello everyone, <br>
<br>
</div>
I am running a benchmark "run_benchmark_pet_histogram.sh",
downloaded from the Castor site. It generates two files,
"benchmark_pet_histogram_challenger_it2.hdr" and
"benchmark_pet_histogram_challenger_it2.img" and it compares the
files generated with the reference files. I am copying the
results below. Can anyone please explain me how can I open the
two files generated and why the results of the benchmark PET are
not overlapping with the reference files.<br>
<div>
<div><br>
<br>
<br>
<br>
Check benchmark results (compare reconstructed image with
the reference one)<br>
==================================================================================================================<br>
--> !!!!! The mean relative difference over the whole
image is -0.0459751 !<br>
It is supposed to be between -5e-07 and 5e-07 !<br>
--> !!!!! The mean relative difference for each slice
has a maximum absolute value of 2.76492 !<br>
It is supposed to be between -5e-05 and 5e-05 !<br>
The test failed for 104 slices !<br>
--> !!!!! The maximum absolute relative difference is
2.71219 !<br>
It is supposed to be below 0.0001 !<br>
<br>
--> !!!!! Benchmark tests failed (3 problems found) !<br>
Double check all what you have done first. Then
email the mailing list.<br>
<br clear="all">
<br>
-- <br>
<div class="gmail_signature">
<div dir="ltr">
<div>Thanking you.</div>
<div> </div>
<div>Yours sincerely,</div>
<div>Kajal Aggarwal</div>
</div>
</div>
</div>
</div>
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<br>
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<br>
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</pre>
</blockquote>
<br>
<pre class="moz-signature" cols="72">--
Thibaut MERLIN -- PhD
Docteur en Imagerie Médicale au Laboratoire de Traitement de l'Information Medicale (LaTIM - INSERM UMR 1101)
Bâtiment 1
CHRU Morvan - 2, Av. Foch
29609 Brest CEDEX - FRANCE
Tel: 06.75.12.24.90</pre>
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