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<p>Hi again Ruoyan,</p>
<p><br>
</p>
<p>I have investigated further and found the source of the problem:
the code performs a rounding of the phase signal to two digits,
which for some values of your phase ended up to be 1. And the rest
of the code assumes that the phase belongs to [0; 1[, i.e. there
should never be a value 1. <br>
The rounding is useful for optimization: projections with
identical phases can be forward and backprojected together, which
is faster than one-by-one, and with high-precision phase values,
there are never two equal phase values. </p>
<p><br>
</p>
<p>So I just fixed the bug by setting the phase to 0 when its
rounding is equal to 1, which should do the trick. The pull
request is being tested, it should be merged soon. <br>
</p>
<p><br>
</p>
<p>Thanks for reporting your issue.<br>
</p>
<p>Regards,</p>
<p>Cyril<br>
</p>
<br>
<div class="moz-cite-prefix">On 09/01/2018 11:31, Cyril Mory wrote:<br>
</div>
<blockquote type="cite"
cite="mid:66e33d08-af6f-0d34-d5c4-628ad91a157c@creatis.insa-lyon.fr">
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
<p>Hi Ruoyan,</p>
<p><br>
</p>
<p>I've had a look at your file sphase.txt, it looks perfectly
fine to me. The problem must lie elsewhere. Does the application
4D ROOSTER work with the example data provided on the wiki ? If
it does, then the problem lies in your data. In that case,
please run</p>
<p><br>
</p>
<p>rtkprojections --path D:\bd\20171116 --regexp .*.his -o
projections.mhd <br>
</p>
<p><br>
</p>
<p>and send us the "projections.mhd" file. It will contain only
the metadata of your projections, and we'll be able to run the
same command line as you and try to reproduce the problem.</p>
<p><br>
</p>
<p>If, on the other hand, it doesn't even work with the example
data provided on the wiki, it is a software problem. In that
case, can you first update to the latest RTK (the git master
branch), recompile and test again ?</p>
<p><br>
</p>
<p>Best regards,</p>
<p>Cyril<br>
</p>
<br>
<div class="moz-cite-prefix">On 26/12/2017 10:47, ry.meng wrote:<br>
</div>
<blockquote type="cite"
cite="mid:88BEDC3F-802B-4D7D-A627-C28A26D68ED5@siat.ac.cn">
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<div><span>Hi</span></div>
<div><span><br>
</span></div>
<div><span>Thank you for your reply. I have checked the
value in sphase.txt and don't have any value </span><span
style="font-family: Verdana, 微软雅黑, 宋体, sans-serif;
line-height: 22.4px;">larger or equal to 5. </span><font
face="Verdana, 微软雅黑, 宋体, sans-serif">Maybe the problem
lies elsewhere? Thanks.</font></div>
<div><br>
</div>
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style="font-family: Verdana, sans-serif;">Regards</span></p>
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<p class="MsoNormal" style="margin: 0cm 0cm 0.0001pt;
font-family: 'Times New Roman', serif;"><span
style="font-family: Verdana, sans-serif;">Ruoyan
Meng</span></p>
</div>
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<div
style="font-size:14px;line-height:1.5;word-break:break-all;margin-left:10px;margin-right:10px">On
<span class="mail-date">12/26/2017 17:14</span>，<a
class="mail-to"
style="text-decoration:none;color:#2a83f2;"
href="mailto:simon.rit@creatis.insa-lyon.fr"
moz-do-not-send="true">Simon
Rit<simon.rit@creatis.insa-lyon.fr></a> wrote： </div>
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<div>
<div>Hi,<br>
</div>
If you look at the <a
href="https://github.com/SimonRit/RTK/blob/master/code/rtkPhasesToInterpolationWeights.hxx#L154"
moz-do-not-send="true">code</a>, you'll see that the
error message corresponds to the case where you have a
phase which equals the number of frames. This cannot be
since it is 0-based. In other words, with the option
"--frames 5", you cannot have a value larger or equal to
5 in your file sphase.txt.<br>
</div>
Simon<br>
</div>
<div class="gmail_extra"><br>
<div class="gmail_quote">On Mon, Dec 25, 2017 at 9:36 AM,
ry.meng <span dir="ltr"><<a
href="mailto:ry.meng@siat.ac.cn" target="_blank"
moz-do-not-send="true">ry.meng@siat.ac.cn</a>></span>
wrote:<br>
<blockquote class="gmail_quote" style="margin:0 0 0
.8ex;border-left:1px #ccc solid;padding-left:1ex">
<div>
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style="font-family:"\005fae\008f6f\0096c5\009ed1";line-height:1.6">
<div><span><br>
</span></div>
<div><span>Hi:</span></div>
<div><span> </span></div>
<div>When I tried the application of 4D ROOSTER
Reconstruction with my own data, it will stop
for the following reason: <span
style="line-height:22.4px">problem while
determining the interpolation weights</span><span
style="line-height:1.6">. Maybe you guys have
met this problem before and have a solution
for it. Thank you very much and I hope to
receive your reply soon.</span></div>
<div>
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New Roman',serif;margin:0cm 0cm 0.0001pt"><font
style="font-size:14px" size="2"><span
style="font-family:Verdana,sans-serif">Happy
Holidays!</span></font></p>
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Meng</span></font></p>
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style="font-family:Verdana,sans-serif"><font
style="font-size:12px" size="2">Research
Center for Medical Robotics and
Minimally Invasive Surgical Devices,<br
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