<div dir="ltr">Dear all,<div><br></div><div>Sorry for the cross-posting but this refers to an issue linking both ITK and VNL.</div><div><br></div><div>In 2010, we identified a licensing issue with some code from vnl and at the time Luis Ibanez fixed it from the ITK side:</div><div><a href="https://issues.itk.org/jira/browse/HISTITK-1160">https://issues.itk.org/jira/browse/HISTITK-1160</a><br></div><div><br></div><div>Luis notably rewrote the LSQR code:</div><div><a href="https://github.com/InsightSoftwareConsortium/ITK/tree/release-3.20/Utilities/vxl/v3p/netlib/linalg">https://github.com/InsightSoftwareConsortium/ITK/tree/release-3.20/Utilities/vxl/v3p/netlib/linalg</a><br></div><div><a href="http://svn.na-mic.org/NAMICSandBox/trunk/SparseLinearSolverConversion/C++/">http://svn.na-mic.org/NAMICSandBox/trunk/SparseLinearSolverConversion/C++/</a><br></div><div><a href="https://github.com/InsightSoftwareConsortium/ITK/commits/release-3.20/Utilities/vxl/v3p/netlib/linalg">https://github.com/InsightSoftwareConsortium/ITK/commits/release-3.20/Utilities/vxl/v3p/netlib/linalg</a><br></div><div><br></div><div>It seems that this effort was not backported to VXL and was subsequently lost when moving to ITK 4:</div><div><a href="https://github.com/InsightSoftwareConsortium/ITK/tree/master/Modules/ThirdParty/VNL/src/vxl/v3p/netlib/linalg">https://github.com/InsightSoftwareConsortium/ITK/tree/master/Modules/ThirdParty/VNL/src/vxl/v3p/netlib/linalg</a><br></div><div><br></div><div>It would be great if someone could look into this (important) licensing issue.</div><div><br></div><div>For the only purpose of LSQR, I copied the LSQR NAMICSandBox code in a standalone github repo here:</div><div><a href="https://github.com/tvercaut/LSQR-cpp">https://github.com/tvercaut/LSQR-cpp</a><br></div><div><br></div><div>I have also added a comment in the ITK and VXL bug trackers:</div><div><a href="https://issues.itk.org/jira/browse/HISTITK-1160">https://issues.itk.org/jira/browse/HISTITK-1160</a><br></div><div><a href="https://github.com/vxl/vxl/issues/332">https://github.com/vxl/vxl/issues/332</a><br></div><div><br></div><div>Best wishes,</div><div>Tom</div></div>