| 摘要 |
The invention relates to a method, a system and a computer program for dynamic imaging of a moving object. First, motion between the elements of common portions of images I<SUB>m</SUB>(t), I<SUB>m+1</SUB>(t) is computed. At step 1 motion compensation the said elements is performed, using a suitable transformation. Assuming that I<SUB>m+1 </SUB>is the image that has to be transformed, its motion from m to m+1 is compensated applying the inverse motion estimation Formula (I) resulting in the reformatted image Formula (II) at position m. At step 2 grey value interpolation is performed, based on image I<SUB>m </SUB>and the transformed image I'<SUB>m+1 </SUB>resulting in j interpolated images Formula (III) with o<i<=j. At step 3 spatial interpolation is carried out yielding a series of images for dynamic imaging of the moving object. The spatial interpolation is calculated placing the images Formula (III) at position i resulting in j images Formula (IV) with 0<i<=j and the transformation's weighting factor w=i/j. |
