The detection of moving objects by moving observers
نویسندگان
چکیده
منابع مشابه
The detection of moving objects by moving observers
When an observer moves through the world, he or she must detect moving objects in order to avoid or intercept them. Accomplishing this task presents a problem for the visual system, because the motion of the observer causes the images of nearly all objects in the scene to move across the retina. We tested observers' abilities to detect a moving object when its angle of motion deviated from the ...
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An observer moving through the world must be able to identify and locate moving objects in the scene. In principle, one could accomplish this task by detecting object images moving at a different angle or speed than the images of other items in the optic flow field. While angle of motion provides an unambiguous cue that an object is moving relative to other items in the scene, a difference in s...
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When an observer moves through an environment containing stationary and moving objects, he or she must be able to determine which objects are moving relative to the others in order to navigate successfully and avoid collisions. We investigated whether image speed can be used as a cue to detect a moving object in the scene. Our results show that image speed can be used to detect moving objects a...
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A method of detecting moving objects from an image sequence acquired by a single moving camera is presented. No assumptions about the movement of the camera platform is made. Motion detection from a moving platform is a non-trivial problem as the moving camera induces apparent motion in the entire image. The epipolar geometric constraint is used between matched points in consecutive image frame...
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Object detection plays an important role in successfulness of a wide range of applications that involve images as input data. In this paper we have presented a new approach for background modeling by nonconsecutive frames differencing. Direction and velocity of moving objects have been extracted in order to get an appropriate sequence of frames to perform frame subtraction. Stationary parts of ...
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ژورنال
عنوان ژورنال: Vision Research
سال: 2010
ISSN: 0042-6989
DOI: 10.1016/j.visres.2010.03.008