Method and apparatus for determining the coordinates of an object

Patent · Wed Jan 01 04:00:00 EST 2003

OSTI ID:874982

Pedersen, Paul S ^[1]; Sebring, Robert ^[2]

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1. Los Alamos, NM
2. Santa Fe, NM

A method and apparatus is described for determining the coordinates on the surface of an object which is illuminated by a beam having pixels which have been modulated according to predetermined mathematical relationships with pixel position within the modulator. The reflected illumination is registered by an image sensor at a known location which registers the intensity of the pixels as received. Computations on the intensity, which relate the pixel intensities received to the pixel intensities transmitted at the modulator, yield the proportional loss of intensity and planar position of the originating pixels. The proportional loss and position information can then be utilized within triangulation equations to resolve the coordinates of associated surface locations on the object.

• Research Organization: Los Alamos National Laboratory (LANL), Los Alamos, NM
• DOE Contract Number: W-7405-ENG-36
• Assignee: The Regents of the University of California (Oakland, CA)
• Patent Number(s): US 6504605
• OSTI ID: 874982
• Country of Publication: United States
• Language: English

Related Subjects

/356/382/702/
apparatus
associated
beam
computations
coordinates
described
determining
equations
illuminated
illumination
image
information
intensities
intensity
location
locations
loss
mathematical
method
modulated
modulator
originating
pixel
pixels
planar
position
predetermined
proportional
received
reflected
registered
registers
relate
relationships
resolve
sensor
surface
transmitted
triangulation
utilized
yield