<html><body><div style="color:#000; background-color:#fff; font-family:Courier New, courier, monaco, monospace, sans-serif;font-size:12pt"><div><span>Hi all,</span></div><div><br></div><div>I am registering 2D or/and 3D images of different modalities data. <br></div><div>I dont understand why itk registration takes so much time between StartRegistration() and my first iteration in optimizer, first level of multiresolution. <br></div><div><br></div><div>Any idea how I can reduce time between those 2 steps?</div><div><br><span></span></div><div><span>Best regards,</span></div></div></body></html>