Imaging and measurement system
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Accused Products
Abstract
Apparatus and method for presenting a highly spatially accurate visualisation of a scene from which measurements can be taken. A sensor is located in relation to a camera, and provides positional characteristics of the camera as it collects frames of video images. Using the positional characteristics the frames are corrected. The corrected frames are then synchronised to form an accurate mosaic of a scene. Example embodiments are described where the moving camera is used to survey or inspect underwater apparatus, roads, runways, railways, crime or accident scenes, archaeological digs and the inside of boilers, chimneys and pipelines.
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Citations
50 Claims
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1-25. -25. (canceled)
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26. An apparatus for presenting a highly spatially accurate visualization of a scene from which measurements can be taken, the apparatus comprising:
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at least one camera for recording a plurality of frames of video images of the scene;
at least one sensor mounted in relation to the camera for recording sensor data on positional characteristics of the camera as the at least one camera is moved with respect to the scene; and
image processing means including a first module for synchronizing the frames with the sensor data to form corrected frames, and a second module for constructing an accurate mosaic from the corrected frames. - View Dependent Claims (27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37)
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38. A method for presenting a highly spatially accurate visualization of a scene from which measurements can be taken, the method comprising:
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(a) recording a plurality of frames of video images of the scene from a camera;
(b) recording sensor data on positional characteristics of the camera as the camera is moved with respect to the scene;
(c) synchronizing the frames with the sensor data to form corrected frames; and
(d) constructing an accurate mosaic from the corrected frames. - View Dependent Claims (39, 40, 41, 42, 43, 44)
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45. A method of performing a survey in a fluid, the method comprising:
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(a) mounting a camera and a plurality of sensors on a platform capable of movement in the fluid;
(b) moving the platform through the fluid while recording visual images on the camera and recording sensor data relating to the attitude and distance of the platform from objects of interest within the fluid;
(c) synchronizing the visual images to the sensor data to provide corrected visual images relating to a fixed distance and attitude; and
(d) video mosaicing the images to form an accurate video mosaic as a visual image of the scene surveyed. - View Dependent Claims (46, 47, 48, 49, 50)
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Specification