Computerized adaptive imaging

G - Physics – 06 – T

Patent

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Details

G06T 1/00 (2006.01) G02B 21/00 (2006.01) G02B 21/14 (2006.01)

Patent

CA 2353543

Apparatus for computational adaptive imaging comprises the following: an image information acquirer, which provides information relating to the refractive characteristics in a three-dimensional imaged volume; a ray tracer, which uses the information relating to the refractive characteristics to trace a multiplicity of rays from a multiplicity of locations in the three-dimensional imaged volume through the three-dimensional imaged volume, thereby providing a location dependent point spread function, and a deconvolver, which uses the location dependent point spread function, to provide an output image corrected for distortions due to variations in the refractive characteristics in the three-dimensional imaged volume.

L'invention concerne un appareil d'imagerie adaptative informatisée. Cet appareil comprend un dispositif d'acquisition d'information d'images qui fournit des informations relatives aux caractéristiques de réfraction dans un volume représenté en trois dimensions. Il comporte également un dispositif de traçage de rayons qui utilise les informations concernant les caractéristiques de réfraction pour tracer plusieurs rayons à partir de plusieurs emplacements dans un volume d'image en trois dimensions jusqu'à ce volume même, et fournir ainsi une fonction d'étalement ponctuel en fonction de l'emplacement. En outre, cet appareil comporte un déconvolutionneur qui utilise ladite fonction d'étalement ponctuel pour fournir une image de sortie corrigée des distorsions dues aux variations des caractéristiques de réfraction dans le volume représenté en trois dimensions.

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