Iatia Imaging Pty Ltd.

Brendan Edward Allman

Keith A Nugent

The present invention relates to a method, apparatus, computer code and algorithm for determining the surface profile of an object. The invention involves capturing three or four images of the object at different planes of which some of the images can be taken outside the depth of field of the optical system and some inside the depth of the field of the optical system. The invention may have particular application in instances of surface analysis and security applications under ambient lighting conditions.

Method and apparatus for determining the surface profile of an object

Method and apparatus for producing an image containing depth information is provided. The method detects radiation emanating from a scene and forms at least two images of the scene at different planes. Each image contains a set of intensity data values. A variation of the data values is obtained so that two sets of intensity variances are obtained from the data values, and the intensity variance data is processed to obtain depth information. The depth information is coded so as to identify different depth information in the image data.

Method and apparatus for producing an image containing depth information

A method and apparatus for compensating for aberrations or distortions of an optical system such as an eye of a patient which is to be imaged by a camera is disclosed. Light passing through the optical system is detected by a charge coupled device () via an imaging system (). Phase data relating to the light passing through the system is determined and a processor () processes the data so that a transformation is determined which transforms the data relating to the wavefront of the light so that the phase data is transformed to remove aberrations or distortions introduced by the optical system. Thus, clearer images of the fundus of an eye generated by light passing through the optical system of the eye and for determining distortions or aberrations introduced by the optical system of the eye are provided.

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East Brunswick, Australia

Brendan Edward Allman