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High‐resolution three‐dimensional laser radar with static unitary detector
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- Authors
- Bongki Mheen, Jea-Sik Shim, Myoung Sook Oh, Jungho Song, Minhyup Song, Gyu Dong Choi, Hongsoek Seo, Yong-Hwan Kwon
- Issue Date
- 2014-02
- Citation
- Electronics Letters, v.50, no.4, pp.313-315
- ISSN
- 0013-5194
- Publisher
- IET
- Language
- English
- Type
- Journal Article
- Abstract
- A new simple method to obtain real-time high-resolution three-dimensional (3D) images based on a static unitary detector (STUD) is reported. The STUD consists of a common bias network, a partitioned photodetector, a preamplifier array and a combiner, which makes it possible to easily increase the effective photo-detection area for a wider 3D image acquisition without affecting the ability to detect short laser pulses for high-resolution 3D images. From an implemented experimental prototype based on a STUD, the intensity and 3D images with a very high resolution (320 pixels × 240 pixels) were obtained. The achieved range resolution and the spatial resolution of remote 3D objects at 50 m were measured to be <0.3 and 1.1 cm, respectively. © The Institution of Engineering and Technology 2014.
- KSP Keywords
- 3D image acquisition, 3D object, Experimental prototype, Range resolution, Real-time, Three dimensional(3D), Very high resolution(VHR), bias network, laser radar, photo detection, short laser pulses