搜索结果: 1-15 共查到“光学工程 quality”相关记录29条 . 查询时间(0.261 秒)
A COMPARATIVE STUDY AMONG THREE REGISTRATION ALGORITHMS: PERFORMANCE, QUALITY ASSURANCE AND ACCURACY
Accuracy Automation Least Squares Registration'Terrestrial Laser Scanning
2019/3/4
A critical task in every terrestrial laser scanning project is the transformation (addressed to as registration or alignment) of multiple point clouds into a common reference system. Even though this ...
HIGH QUALITY TEXTURE MAPPING PROCESS AIMED AT THE OPTIMIZATION OF 3D STRUCTURED LIGHT MODELS
Texture Mapping Structured Light Scanning Restoration 3D Visualization
2019/3/2
This article presents the evaluation of a pipeline to develop a high-quality texture mapping implementation which makes it possible to carry out a semantic high-quality 3D textured model. Due to geome...
Evolution of perturbations in 3D air quality models
perturbation growth automatic differentiation three-dimensional numerical models -sensitivity analysis air quality models
2015/9/16
The deterministic approach of sensitivity analysis is applied on the solution vector of an Air Quality Model. In
particular, the photochemical CAMx code is augmented with derivatives utilising the au...
Digital Terrain Models (DTM) are frequently used to make important decisions. In order to judge these decisions DTM quality must
be known. The quality of a DTM consists of several components like pre...
FACTORS AFFECTING THE QUALITY OF DTM GENERATION IN FORESTED AREAS
Digital Terrain Model DTM airborne laser scanning ALS algorithms quality
2015/8/13
Airborne laser scanning (ALS) has become an established tool for acquiring digital terrain models (DTM) in forested areas. Even
though, there have been several empirical studies on DTM quality with l...
HIGH QUALITY DEMS FOR GLACIER MONITORING –IMAGE MATCHING VERSUS LASER SCANNING
Glaciology Matching Laser Scanning DEM/DTM Comparison
2015/7/29
Glacier monitoring is of great importance since glaciers are influencing essential areas of life like water supply, energy production,
flood protection and tourism. Furthermore, the variation of gla...
NEW LIGHT-WEIGHT STEREOSOPIC SPECTROMETRIC AIRBORNE IMAGING TECHNOLOGY FOR HIGH-RESOLUTION ENVIRONMENTAL REMOTE SENSING – CASE STUDIES IN WATER QUALITY MAPPING
Photogrammetry Geometry Radiometry Hyper spectral Environment Classification High-resolution
2014/4/24
A new Fabry-Perot interferometer (FPI) based light-weight spectrometric camera provides new possibilities for environmental remote sensing applications. The sensor collects spectral data cubes with ad...
The multidirectional asymmetrical microlens-array light-control film MAMA-LCF is developed for enhancing the image brightness and contrast ratio of various reflective liquid-crystal displays. By use...
Improving the Quality of Liquid-Crystal Projection Image by Multilevel Diffractive Grating Technique
liquid-crystal projection system multilevel diffractive grating VLSI process plastic molding pixel depixelization
2011/11/30
A technique using multilevel diffractive gratings to suppress the discrete nature of liquid crystal display (LCD) projection images is demonstrated. The multilevel diffractive gratings, having a cross...
The multidirectional asymmetrical microlens-array light-control film MAMA-LCF is developed for enhancing the image brightness and contrast ratio of various reflective liquid-crystal displays. By use...
Generation of Stable and High-Quality Multicarrier Source Based on Re-circulating Frequency Shifter for Tb/s Optical Transmission
Fiber optics communications Frequency modulation
2015/5/25
We theoretically and experimentally study the impact of implementation imperfections on the quality of multicarrier sources generated by re-circulating frequency shifting. Based on an optimized design...
Experimental investigation of the quality of transmission in transparent mesh networks with mixed fiber types
Fiber optics communications Fiber optics links subsystems
2015/6/4
We experimentally investigate the quality of transmission in mesh networks relying on various fiber types. We show that the quality of transmission can be evaluated accurately using the weighted nonli...
High Quality and Efficient QPM-LiNbO 3 Wavelength Converter Integrated With 0.78/1.56-μ μm Wavelength Multiplexer
High Quality Efficient QPM-LiNbO Wavelength Converter Integrated Wavelength Multiplexer
2015/7/15
We achieved the first integration of a QPM wavelength converter with an MMI multiplexer by using a direct-bonded LiNbO 3 ridge waveguide. We successfully demonstrated high quality grouped wavelength c...
High-Quality Poly-Si Crystallization Technology Based on Laser-Induced Melting and Resolidification Dynamics of Si Thin Films
Poly-Si TFT Laser crystallization Lateral crystal growth
2009/6/9
The liquid-solid interface motion and the temperature history of thin Si films during short pulse (< 30 ns) excimer laser annealing are observed by in-situ diagnostics. Substantial supercooling (> 200...
Fabrication of High Quality Poly-Si TFTs by Using Ar-Laser Irradiated Sputter-Si Films
Polycrystalline Si Sputtering Ar-laser
2009/6/9
Precursor a-Si films are deposited by RF planar magnetron sputtering in argon gas at 200 °C substrate temperature. Properties of the a-Si films have large dependences on sputtering gas pressure. Sheet...