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AssigneeAssembleon N.V.
InventorsJoseph Horijon, Alain De Bock, Rita Petit
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A method for calibrating at least one device (2) that comprises a camera, in which an object (3, 10) having at least one reference element (4, 11, 12, 13, 14) is brought into the image area of the camera. A first position of the reference element (4, 11, 12, 13, 14) relative to the device (2) is determined from an image (5, 6, 8, 9, 15, 16) made by the camera. Then a displacem relative to the device (2) is imposed on the object (3, 10). A second position of the reference element (4, 11, 12, 13, 14) relative to the device (2) is determined from a second image made by the camera (5, 6, 8, 9, 15, 16). A real displacement of the object (3, 10)(3) relative to the device (2) is determined from the first and second relative positions, which real displacement is compared with the imposed displacement.
A method for calibrating at least one device (2) that comprises a camera, characterized in that an object (3, 10) having at least one reference element (4, 11, 12, 13, 14) is brought into an image area of the camera, after which a first position of the reference element (4, 11, 12, 13, 14) relative to the device (2) is determined from an image (5, 6, 8, 9, 15, 16) made by the camera, then a displacement relative to the device (2) is imposed on the object (3, 10), a second position of the reference element (4, 11, 12, 13, 14) relative to the device (2) is determined from a second image made by the camera (5, 6, 8, 9, 15, 16), after which a real displacement of the object (3, 10)(3) relative to the device (2) is determined from the first and second relative positions, which real displacement is compared with the imposed displacement.
A method for calibrating a number of devices (2) positioned side by side which each comprise a camera, characterized in that anobject (3, 10) having reference elements (4, 11, 12, 13, 14) is brought into an image area of at least two cameras of at least two devices (2), after which first positions of at least one reference element (4, 11, 12) are determined relative to a first device (2), second positions of at least one reference element (4, 13, 14) are determined relative to the second device (2), after which the position of the second device (2) relative to the first device (2) is determined from the first and second relative positions of the reference elements (4, 11, 12, 13, 14)
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