Method and apparatus for tomographic imaging and image reconstru

Details Method and apparatus for tomographic imaging and image reconstru Method and apparatus for tomographic imaging and image reconstru

1995-06-05

1998-06-02

Razavi, Michael T.

Image analysis

Applications

Biomedical applications

378 4, 382254, 382132, G06F 1700

Patent

active

057613311

ABSTRACT:
A method for imaging or reconstructing an image of an object includes the following steps: obtaining multiple original views of the object, each original view being obtained at a different relative orientation of the object from each other view; combining the multiple original views in an image plane to obtain a first composite image; phase inverting the first composite image to obtain a phase inverted composite image; combining the phase inverted composite image with each original view to obtain a second composite image; determining a differential between the second composite image and each original view to obtain a plurality of differentials; applying the plurality of differentials to the second composite image to obtain a resulting composite image; and optionally amplifying the resulting composite image to obtain a reconstructed image. Apparatus for carrying out the method may use analog circuitry, a high speed computer or a combination of analog and digital techniques may be used.

REFERENCES:
patent: 4720843 (1988-01-01), Haaker et al.
N. Srinivasa, K.R. Ramakrishnan, and K. Rajgopal, "Detection of Edges from rojections", IEEE Trans. Med. Imaging, vol. 11, pp. 76-80, 1992.
G.T. Herman, Image Reconstruction from Projections, Academic Press, pp. 8,10-11,26-32,108-117, 1980.

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