Agency for Science, Technology and Research

Su Huang

Wieslaw Lucjan Nowinski

Jimin Liu

Zujun Hou

A method () and an apparatus () are disclosed for registering an input image and an atlas. The atlas is warped () using non-rigid registration. In particular, boundary displacements of structures in the atlas are calculated () which register those structures with equivalent structures in the input image. The boundaries of structures in the atlas are then warped () according to their respective boundary displacements using topology preserving propagation of boundary points of the structures.

Method and apparatus for registration of an atlas to an image

A method of correcting magnetic resonance images is provided. Seed points having a same expected true intensity are selected from the image points in an image. An intensity correction function I(X) is determined by fitting measured intensities I(X) of the seed points to I(X)=I(X), where x denotes the coordinate of the image points. I(X) is a polynomial function and the values of its coefficients are determined by the fitting. Corrected intensities I(X) for corrected image points are calculated according to I(X)=I(X)/I(X). A corrected image includes the corrected image points.

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Singapore, Singapore

Su Huang