G - Physics – 01 – B
Patent
G - Physics
01
B
G01B 11/245 (2006.01) G06T 7/00 (2006.01) G01N 21/88 (2006.01) G06T 17/40 (2006.01)
Patent
CA 2684528
An apparatus (10) for determining 3D distances on a 2D pixelized image (14) of a part (16) or object is provided. The apparatus includes a camera (12), a computer workstation (21) configured to receive images from the camera and having a 3D CAD model of the object, and a display. The apparatus is configured to acquire (102) a real 2D pixelized image of the object, create (104) a simulated image of the object using the 3D CAD model, determine a specified cost function comparing (108) the simulated image with the real 2D pixilated image, reposition (110) the simulated image in accordance with interated adjustments of a relative position between the CAD model and the 2D pixilated image to change the simulated image until the specified cost function is below a specified value, generate (112) a 3D distance scale matrix (206) using the repositioned simulated image, and measure and display distances between selected pixels (202, 204) on a surface of the real image using 2D distances on the pixelized image of the object and the 3D distance scale matrix.
Dragovich Matthew Edward
Foster Eric Scott
Howard Donald Robert
Howard Patrick Joseph
Kaucic Robert August
Company General Electric
Craig Wilson And Company
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