Defocus restoration for a full-field heterodyne ranger via multiple return separation

Defocus restoration for a full-field heterodyne ranger via multiple return separation

Godbaz, John Peter ; Cree, Michael J. ; Dorrington, Adrian A. ; Künnemeyer, Rainer

Identifier: http://hdl.handle.net/10289/3216

Date: 2007

Citation: Godbaz, J. P., Cree, M. J., Dorrington, A. A. & Künnemeyer, R. (2007). Defocus restoration for a full-field heterodyne ranger via multiple return separation. In Proceedings of Image and Vision Computing New Zealand, Hamilton, New Zealand; 5-7 December, 2007. (pp.52-57).

Rights: This article has been published in the Proceedings of Image and Vision Computing New Zealand, Hamilton, New Zealand; 5-7 December, 2007. Used with permission.

Abstract:

Full-field heterodyne time-of-flight range-imagers allow a large number of range measurements to be taken simultaneously across an entire scene; these range measurements may be corrupted due to limited depth of field. We propose a new method for deblurring heterodyne range images by identifying multiple signal returns within each pixel via deconvolution, thus reducing the spatially variant deblurring problem to a sequence of spatially invariant deconvolutions. We have applied this method to simulated data, showing significant improvement in the restored images.

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