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</o:shapelayout></xml><![endif]--></head><body lang=EN-CA link=blue vlink=purple><div class=WordSection1><p class=MsoNormal>Hi all,<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>I am trying to define a particular schedule for a multi-resolution registration. <o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>I have 2 data: the fixed image is a CT of 512x512x47<o:p></o:p></p><p class=MsoNormal> The moving image is a PET of 128x128x47<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>I want to bring both data at same resolution at coarsest level of registration and I don’ want to use data smaller that 32x32. So that, I will have 5 levels:<o:p></o:p></p><p class=MsoNormal>Ct would be 32x32x47<o:p></o:p></p><p class=MsoNormal> 64x64x47<o:p></o:p></p><p class=MsoNormal> 128x128x47<o:p></o:p></p><p class=MsoNormal> 256x256x47<o:p></o:p></p><p class=MsoNormal> 512x512x47<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>And Pet will be 32x32x47<o:p></o:p></p><p class=MsoNormal> 64x64x47<o:p></o:p></p><p class=MsoNormal> 128x128x47<o:p></o:p></p><p class=MsoNormal style='margin-left:36.0pt;text-indent:36.0pt'>128x128x47<o:p></o:p></p><p class=MsoNormal style='margin-left:36.0pt;text-indent:36.0pt'>128x128x47<o:p></o:p></p><p class=MsoNormal> <o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Here is an extract of my code:<o:p></o:p></p><p class=MsoNormal style='text-autospace:none'><span style='font-size:12.0pt;font-family:"Courier New";color:blue'> int</span><span style='font-size:12.0pt;font-family:"Courier New"'> <span style='color:#010001'>fixedImageNumberOfLevels</span> = <span style='color:#010001'>5</span>;<o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'><span style='font-size:12.0pt;font-family:"Courier New"'> <span style='color:blue'>int</span> <span style='color:#010001'>movingImageNumberOfLevels</span> = <span style='color:#010001'>3</span>;<o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'><span style='font-size:12.0pt;font-family:"Courier New"'> <span style='color:blue'>int</span> <span style='color:#010001'>numberOfLevels</span> = <span style='color:#010001'>qMax</span>(<span style='color:#010001'>fixedImageNumberOfLevels</span>, <span style='color:#010001'>movingImageNumberOfLevels</span>);<o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'><span style='font-size:12.0pt;font-family:"Courier New"'> <span style='color:#010001'>registration_</span>-><span style='color:#010001'>SetNumberOfLevels</span>(<span style='color:#010001'>numberOfLevels</span>); <o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'><span style='font-size:12.0pt;font-family:"Courier New"'> <o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'><span style='font-size:12.0pt;font-family:"Courier New"'> <span style='color:#010001'>RegistrationType</span>::<span style='color:#010001'>ScheduleType</span> <span style='color:#010001'>fixedImageSchedule</span> = <span style='color:#010001'>registration_</span>-><span style='color:#010001'>GetFixedImagePyramid</span>()-><span style='color:#010001'>GetSchedule</span>();<o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'><span style='font-size:12.0pt;font-family:"Courier New"'> <span style='color:blue'>unsigned</span> <span style='color:blue'>int</span> <span style='color:#010001'>shrinkFactor</span> = 1 << (<span style='color:#010001'>fixedImageNumberOfLevels</span> - 1);<o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'><span style='font-size:12.0pt;font-family:"Courier New"'> <span style='color:#010001'>fixedImageSchedule</span>[0][0] = <span style='color:#010001'>shrinkFactor</span>;<o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'><span style='font-size:12.0pt;font-family:"Courier New"'> <span style='color:#010001'>fixedImageSchedule</span>[0][1] = <span style='color:#010001'>shrinkFactor</span>;<o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'><span style='font-size:12.0pt;font-family:"Courier New"'> <span style='color:#010001'>fixedImageSchedule</span>[0][2] = 1;<o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'><span style='font-size:12.0pt;font-family:"Courier New"'> <span style='color:blue'>for</span> (<span style='color:blue'>int</span> <span style='color:#010001'>level</span> = 1; <span style='color:#010001'>level</span> < <span style='color:#010001'>numberOfLevels</span>; <span style='color:#010001'>level</span>++){<o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'><span style='font-size:12.0pt;font-family:"Courier New"'> <span style='color:#010001'>fixedImageSchedule</span>[<span style='color:#010001'>level</span>][0] = 2 * <span style='color:#010001'>fixedImageSchedule</span>[<span style='color:#010001'>level</span>-1][0];<o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'><span style='font-size:12.0pt;font-family:"Courier New"'> <span style='color:#010001'>fixedImageSchedule</span>[<span style='color:#010001'>level</span>][1] = 2 * <span style='color:#010001'>fixedImageSchedule</span>[<span style='color:#010001'>level</span>-1][1];<o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'><span style='font-size:12.0pt;font-family:"Courier New"'> <span style='color:#010001'>fixedImageSchedule</span>[<span style='color:#010001'>level</span>][2] = 1;<o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'><span style='font-size:12.0pt;font-family:"Courier New"'> }<o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'><span style='font-size:12.0pt;font-family:"Courier New"'> <span style='color:#010001'>registration_</span>-><span style='color:#010001'>GetFixedImagePyramid</span>()-><span style='color:#010001'>SetSchedule</span>(<span style='color:#010001'>fixedImageSchedule</span>);<o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'><span style='font-size:12.0pt;font-family:"Courier New"'><o:p> </o:p></span></p><p class=MsoNormal style='text-autospace:none'><span style='font-size:12.0pt;font-family:"Courier New"'> <span style='color:#010001'>RegistrationType</span>::<span style='color:#010001'>ScheduleType</span> <span style='color:#010001'>movingImageSchedule</span>= <span style='color:#010001'>registration_</span>-><span style='color:#010001'>GetMovingImagePyramid</span>()-><span style='color:#010001'>GetSchedule</span>();<o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'><span style='font-size:12.0pt;font-family:"Courier New"'> <span style='color:#010001'>shrinkFactor</span> = 1 << (<span style='color:#010001'>movingImageNumberOfLevels</span> - 1);<o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'><span style='font-size:12.0pt;font-family:"Courier New"'> <span style='color:#010001'>movingImageSchedule</span>[0][0] = <span style='color:#010001'>shrinkFactor</span>;<o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'><span style='font-size:12.0pt;font-family:"Courier New"'> <span style='color:#010001'>movingImageSchedule</span>[0][1] = <span style='color:#010001'>shrinkFactor</span>;<o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'><span style='font-size:12.0pt;font-family:"Courier New"'> <span style='color:#010001'>movingImageSchedule</span>[0][2] = 1;<o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'><span style='font-size:12.0pt;font-family:"Courier New"'> <span style='color:blue'>for</span> (<span style='color:blue'>int</span> <span style='color:#010001'>level</span> = 1; <span style='color:#010001'>level</span> < <span style='color:#010001'>numberOfLevels</span>; <span style='color:#010001'>level</span>++){<o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'><span style='font-size:12.0pt;font-family:"Courier New"'> <span style='color:#010001'>movingImageSchedule</span>[<span style='color:#010001'>level</span>][0] = 2 * <span style='color:#010001'>movingImageSchedule</span>[<span style='color:#010001'>level</span>-1][0];<o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'><span style='font-size:12.0pt;font-family:"Courier New"'> <span style='color:#010001'>movingImageSchedule</span>[<span style='color:#010001'>level</span>][1] = 2 * <span style='color:#010001'>movingImageSchedule</span>[<span style='color:#010001'>level</span>-1][1];<o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'><span style='font-size:12.0pt;font-family:"Courier New"'> <span style='color:#010001'>movingImageSchedule</span>[<span style='color:#010001'>level</span>][2] = 1;<o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'><span style='font-size:12.0pt;font-family:"Courier New"'> }<o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'><span style='font-size:12.0pt;font-family:"Courier New"'> <span style='color:#010001'>registration_</span>-><span style='color:#010001'>GetFixedImagePyramid</span>()-><span style='color:#010001'>SetSchedule</span>(<span style='color:#010001'>movingImageSchedule</span>);<o:p></o:p></span></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>As printing the info during registration, I find out that: <o:p></o:p></p><p class=MsoNormal>Numer of levels = 1<o:p></o:p></p><p class=MsoNormal>FixedImagePyramidSchedule is empty, same for MovingImagePyramid<o:p></o:p></p><p class=MsoNormal>And fixed image region is of size<o:p></o:p></p><p class=MsoNormal>Level 0: 64x64x47<o:p></o:p></p><p class=MsoNormal>Level 1:128x128x47<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>I tried also, SetStartingShrinkSchedule, which I found very convenient but it didn’t work. I also tried SetSchedules(fixedImageSchedule, movingImageSchedule), no chance either. What am I doing true?<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Please, help.<o:p></o:p></p><p class=MsoNormal>Regards,<o:p></o:p></p><p class=MsoNormal>Isabelle<o:p></o:p></p></div></body></html>