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Distance image generating method for use in e.g. robotics, involves illuminating scene with random- or pseudo random pattern i.e. stripe pattern, and modulating pattern in displacement direction and in direction of epipolar lines
Distance image generating method for use in e.g. robotics, involves illuminating scene with random- or pseudo random pattern i.e. stripe pattern, and modulating pattern in displacement direction and in direction of epipolar lines
The method involves illuminating a scene (3) with random- or pseudo random pattern i.e. stripe pattern, by a projection unit (9). The random- or pseudo random pattern is used with image recordings so that a marking of a projection pattern (19) is projected to the scene. A relative displacement between the scene and the projection pattern is realized along a displacement direction among recordings of images of stereo-cameras (4, 5). The random- or pseudo random pattern is modulated in the displacement direction and in a direction of epipolar lines. An independent claim is also included for a device for generating a distance image of a scene.
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