Dual mode depth imaging

Details Dual mode depth imaging Dual mode depth imaging

2007-11-15

2010-12-14

Tarcza, Thomas H (Department: 3662)

Optics: measuring and testing

Range or remote distance finding

Triangulation ranging to a point with one projected beam

C356S003010, C356S003050, C356S003100, C356S004010, C356S004100

Reexamination Certificate

active

07852461

ABSTRACT:
Dual mode depth imaging system and method is provided, the system comprising a first and second image sensors and a processor able to switch between a first mode of depth imaging and a second mode of depth imaging according to at least one predefined threshold. The method comprising providing depth sensing by Time of Flight if the distance of the sensed object from the camera is not below a first threshold and/or if a depth resolution above a second threshold is not required, and providing depth sensing by triangulation, if the distance of the sensed object from the camera is below the first threshold and/or if a depth resolution above the second threshold is required.

REFERENCES:
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patent: 2003/0035100 (2003-02-01), Dimsdale et al.
patent: 2009/0073419 (2009-03-01), Gesner et al.
International Search Report PCT/IL2008/001506, dated Apr. 29, 2009.
Klaus-Dieter Kunhert et al: “Fusion of Stereo-Camera and PMD-Camera Data for Real-Time Suited Precise 3D Environment Reconstruction”; Intelligent Robots and Systems, 2006 IEEE/RSJ International Conferemce on, IEEE PI, Oct. 1, 2006, pp. 4780-4785.

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