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Long-range three-dimensional active imaging with superresolution depth mapping
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AI
DOI：10.1364/OL.32.003146.png)
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摘要
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We present a technique to overcome the depth resolution limitation for 3D active imaging. Applying microsecond laser pulses and sensor gate width, a scene of several hundred meters is illuminated and recorded in a single image. The trapezoid-shaped range intensity profile is analyzed to obtain both the reflectivity and the depth of scene. We demonstrate a 3D scene reconstruction in a depth of 650 to 1550 m from only three images with an accuracy of < 30 m. This depth accuracy is 10 times better than estimated from the classical resolution limit obtained for depth scanning active imaging with a similar number of images. Therefore, this technique enables superresolution. depth mapping with a reduction of image data processing. (c) 2007 Optical Society of America
Keyword:
LASER
期刊
IF:
3.3
论文数:
4.0W
被引数:
7.6W
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