Hi, <div><br></div><div>I going to implement a program that enable user to match two image manually. All the user made transform is implemented in VTK, and then use ITK's metric to evaluate the matching. because there are some difference in ITK's and VTK's coordinate system convention so I need to confirm some information about ITK and VTK images coordinate system:</div>
<div><br></div><div>1. ITK image's origin is associated with first pixel which is <b>the pixel at top-right corner</b> of image, while VTK image's origin is at <b>the pixel at bottom-right</b> of image, is that correct?</div>
<div><br></div><div>2. Using metric class in ITK, at the beginning, the origins of both fixed image and moving image are at the same position, is it right? and the transform parameter pass to function GetValue of metric class is actually applied to FixedImage instead of moving image?</div>
<div><br></div><div>3. If i transform an image in VTK, is that the same if i use this transform matrix in ITK? (which mean that if i use the transformation in VTK to evaluate the matching using ITK's metric can i get the correct result?)</div>
<div><br></div><div><br></div><div>Plz help, really appreciate!</div><div><br></div><div>Quyps</div><div><br></div><div><br></div>