Full-field light detection and ranging imaging system

Details Full-field light detection and ranging imaging system Full-field light detection and ranging imaging system

2007-08-28

2010-06-29

Tarcza, Thomas H (Department: 3662)

Optics: measuring and testing

Velocity or velocity/height measuring

With light detector

C356S028500

Reexamination Certificate

active

07746450

ABSTRACT:
Apparatuses and methods determine positional information from a reflected optical signal for an object on a per pixel basis. A spread spectrum imaging system includes a transmitting module transmitting a transmitted optical signal that illuminates a target space and contains a transmitted pulse that is modulated with a first pseudo-noise (PN) code. The imaging system includes a receiving module that receives a reflected optical signal from an object. The reflected signal is processed by an optical array that detects a detected signal from the reflected optical signal, where the detected signal contains a plurality of pixels spanning a target space. When the determined PN code corresponds to the selected PN code, image information and the positional information is presented for the object. When different positional information is obtained for different pixels in the image, the imaging system may determine that different objects appear in the received image.

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