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SH-ToF: Micro resolution time-of-flight imaging with superheterodyne interferometry
- Source :
- ICCP
- Publication Year :
- 2018
- Publisher :
- IEEE, 2018.
-
Abstract
- Three dimensional imaging techniques have been widely used in both industry and academia. Time-of-flight (ToF) sensors offer a promising method of 3D imaging due to compact size and low complexity. However, state-of-the-art ToF sensors only have depth resolutions of centimeters due to limitations in the modulation frequencies that can be used. In this paper, we propose a technique to generate modulation frequencies as high as 1 THz using optical superheterodyne interferometry. Our proposed system provides great flexibility in imaging range and resolution. We experimentally demonstrate an increase in depth resolution by an order of magnitude relative to currently available commercial ToF cameras.
- Subjects :
- Materials science
business.industry
Terahertz radiation
Resolution (electron density)
Superheterodyne receiver
ComputingMethodologies_IMAGEPROCESSINGANDCOMPUTERVISION
02 engineering and technology
01 natural sciences
law.invention
010309 optics
Interferometry
Optics
law
Modulation
0103 physical sciences
0202 electrical engineering, electronic engineering, information engineering
020201 artificial intelligence & image processing
business
Adaptive optics
Frequency modulation
Order of magnitude
Subjects
Details
- Database :
- OpenAIRE
- Journal :
- 2018 IEEE International Conference on Computational Photography (ICCP)
- Accession number :
- edsair.doi...........8dc6bddaec074f2512dace5d6587a0b7