Hi all,<br><br>    When I ran DeformableRegistration8 in ITK v4, I got output message like this:<div>...</div><div><div>27  -1.29292  0.000100976</div><div>27  -1.29292  9.59703e-005</div><div>28  -1.2929  9.59703e-005</div>
<div>28 Â -1.29294 Â 9.59703e-005</div><div>28 Â -1.29294 Â 8.27527e-005</div><div>29 Â -1.29299 Â 8.27527e-005</div><div>29 Â -1.29299 Â 0.000116397</div><div>30 Â -1.29307 Â 0.000116397</div><div>30 Â -1.29307 Â 0.000114295</div>
<div>31 Â -1.29316 Â 0.000114295</div><div>31 Â -1.29316 Â 8.32347e-005</div><div>32 Â -1.29324 Â 8.32347e-005</div><div>32 Â -1.29324 Â 6.42706e-005</div><div>33 Â -1.2934 Â 6.42706e-005</div><div>33 Â -1.2934 Â 9.90289e-005</div>
<div>34 Â -1.29341 Â 9.90289e-005</div><div>34 Â -1.29341 Â 8.07118e-005</div><div>35 Â -1.29346 Â 8.07118e-005</div><div>35 Â -1.29346 Â 6.85149e-005</div><div><div>36 Â -1.29346 Â 6.85149e-005</div><div>36 Â -1.29346 Â 6.85149e-005
</div><div>36 Â -1.29346 Â 6.85149e-005
</div><div>36 Â -1.29346 Â 6.85149e-005
</div><div><b>Optimizer stop condition = LBFGSBOptimizer: Failure</b></div><div>     Probe Tag   Starts   Stops       Time (s)</div><div>    Registration      1       1      1119.09</div><div>
     Probe Tag   Starts   Stops      Memory (kB)</div><div>    Registration      1       1       419332</div><div><div><br></div><div>The application stops and throws an error "<b>LBFGSBOptimizer: Failure</b>". In the source code of DeformableRegistration8, I set the parameters of optimizer such as "convergence factor" as this:</div>
<div><div><font color="#000099">Â optimizer->SetCostFunctionConvergenceFactor( 1.e7 );</font></div><div><font color="#000099">Â optimizer->SetProjectedGradientTolerance( 1e-6 );</font></div><div><font color="#000099">Â optimizer->SetMaximumNumberOfIterations( 200 );</font></div>
<div><font color="#000099"> optimizer->SetMaximumNumberOfEvaluations( 200 );</font></div><div><font color="#000099"> optimizer->SetMaximumNumberOfCorrections( 5 );</font></div></div><div><br></div><div>Except the code above, I didn't change any code else. I have no idea what happened. Any suggestion would be appreciated.</div>
<div><br></div><div>By the way, there is some information about my PC in case this would be inportant:</div><div>Processors: Intel(R) Xeon(R) CPU E5630 2.53GHz 2.53GHz (2 processors)</div><div>RAM Â Â Â Â : 48 GB</div><div>
OS      :  Windows Server 2008 R2</div>-- <br><div>黄æˆ</div><div>Chester Huang
</div><div>ä¸åœ‹ç§‘å¸é™¢ç ”ç©¶ç”Ÿé™¢æ·±åœ³å…ˆé€²æŠ€è¡“ç ”ç©¶é™¢</div><div>Shenzhen Institutes of Advanced Technology,Chinese Academy of Sciences</div><div><br></div><div>Mobile:  13392858763</div><div>E-mail:  <a href="mailto:cheng.huang@siat.ac.cn" target="_blank">cheng.huang@siat.ac.cn</a></div>
<div><br></div><div>Address:Human-Computer Interaction Center ,No.1068,Xueyuan Road,Xili University Town,Nanshan District,Shenzhen City,518055</div><div>深圳市å—å±±å€è¥¿éº—鎮深圳大å¸åŸŽå¸è‹‘大é“1068號人机交互ä¸å¿ƒï¼ˆ518055)</div><br>
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