Laser range camera

Optics: measuring and testing – Range or remote distance finding – With photodetection

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Details

348 31, 3561411, 356 407, H04N 700, G01C 308, G01B 1126

Patent

active

056822294

ABSTRACT:
A laser range camera provides both imaging and range information using laser radar techniques. A laser transmitter having a fan shaped beam that creates a column shaped beam in a far field is scanned along a single axis within a defined field of view using an acoustical optical device. A staring focal array of multiple line receivers having a long narrow field of view by using a linear array of fiber optics receives reflected energy from the scanned scene and transfers the received information to an avalanche photo diode by bundling the linear array into a circular array for interfacing with the diode. The range and intensity of each pixel within a scene is measured using a CCD measurement system which communicates with the receiver through the electrical signals. Range is determined for each pixel of the scene using the exposure characteristics of a CCD with analog type time of flight measurements. Range and intensity data are stored on odd and even CCD elements and used to display a three dimensional range image.

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Perceptron LASAR, High Resolution 2-D and 3-D Images from a single Camera| -Brochure for the LASAR.TM. camera.

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