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Thank you for your answers!!<br><br>Now I have another doubt... If I can use 0.00283 an 2.83 indifferently, why can´t I used just a pixel spacing of 1??<br><br>Not if I can explain, is really so important to used a correct pixel spacing for registration or it´s ok if I use an value of 1 for the spacing (always being consisten all over the code)?<br><br>Thank you all!<br><br>Auron.<br><br>> Date: Wed, 11 Nov 2009 15:21:59 -0500<br>> Subject: Re: [Insight-users] Confused about pixel Spacing<br>> From: kishoreraom@gmail.com<br>> To: auron@hotmail.es; cquammen@cs.unc.edu<br>> CC: insight-users@itk.org<br>> <br>> Once you choose a certain spacing, remember to consistently use that<br>> in all the subsequent processing filter settings such as sigma of<br>> Gaussian etc. In most filters, you will have the option<br>> SetUseImageSpacingOn() or Off() that you should also use. The output<br>> at any intermediate stage will also have the same units.<br>> <br>> It is better to use the 2.83 micrometer value since the other value<br>> seems very cumbersome to handle.<br>> <br>> Kishore<br>> <br>> On Wed, Nov 11, 2009 at 1:47 PM, Cory Quammen <cquammen@cs.unc.edu> wrote:<br>> > Auron,<br>> ><br>> > The units you choose for pixel spacing (meters or micrometers) do not<br>> > matter. It only matters that you are consistent in what unit you use<br>> > to set the spacing for both the fixed and moving images.<br>> ><br>> > Hope that helps,<br>> > Cory<br>> ><br>> > On Wed, Nov 11, 2009 at 12:58 PM, Auron Ford Huton <auron@hotmail.es> wrote:<br>> >> Hello ITK!!<br>> >><br>> >> I am working in microscopy image registration and I doubt how to express my<br>> >> pixel spacing (I think all my problems came from that...). I know that my<br>> >> pixel spacing is about 2.83 micrometres (0.00283mm).<br>> >> I am using .raw image so I used a .mhd to acces them... What of the<br>> >> following lines I should use to set my spacing?<br>> >><br>> >> ElementSpacing = 0.00283 0.00283<br>> >><br>> >> or<br>> >><br>> >> ElementSpacing = 2.83 2.83<br>> >><br>> >><br>> >> Thank you in advance.<br>> >><br>> >> Auron.<br>> >><br>> >> ________________________________<br>> >> ˇNuevo Canal Mujer! Moda, belleza, sexo, dietas, embarazo. más fácil y a tu<br>> >> alcance. Si quieres estar a la última, no puedes perdértelo.<br>> >> _____________________________________<br>> >> Powered by www.kitware.com<br>> >><br>> >> Visit other Kitware open-source projects at<br>> >> http://www.kitware.com/opensource/opensource.html<br>> >><br>> >> Kitware offers ITK Training Courses, for more information visit:<br>> >> http://www.kitware.com/products/protraining.html<br>> >><br>> >> Please keep messages on-topic and check the ITK FAQ at:<br>> >> http://www.itk.org/Wiki/ITK_FAQ<br>> >><br>> >> Follow this link to subscribe/unsubscribe:<br>> >> http://www.itk.org/mailman/listinfo/insight-users<br>> >><br>> >><br>> ><br>> ><br>> ><br>> > --<br>> > Cory Quammen<br>> > Center for Computer Integrated Systems for Microscopy and Manipulation (CISMM)<br>> > Department of Computer Science<br>> > University of North Carolina at Chapel Hill<br>> > http://www.cs.unc.edu/~cquammen<br>> > _____________________________________<br>> > Powered by www.kitware.com<br>> ><br>> > Visit other Kitware open-source projects at<br>> > http://www.kitware.com/opensource/opensource.html<br>> ><br>> > Kitware offers ITK Training Courses, for more information visit:<br>> > http://www.kitware.com/products/protraining.html<br>> ><br>> > Please keep messages on-topic and check the ITK FAQ at:<br>> > http://www.itk.org/Wiki/ITK_FAQ<br>> ><br>> > Follow this link to subscribe/unsubscribe:<br>> > http://www.itk.org/mailman/listinfo/insight-users<br>> ><br> <br /><hr />ˇNuevo Canal Mujer! Moda, belleza, sexo, dietas, embarazo. más fácil y a tu alcance. Si quieres estar a la última, <a href='http://mujer.es.msn.com/' target='_new'>no puedes perdértelo.</a></body>
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