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浙江大学光电科学与工程学院刘东、刘崇研究团队在《Light: Science & Application》发文报道船载海洋高光谱分辨率激光雷达高精度遥感海水光学特性剖面（图）
海水光学 高精度 激光遥感
2022/9/6
近日，浙江大学光电科学与工程学院刘东教授、刘崇教授研究团队，联合浙江大学海洋学院等单位，共同开发了船载海洋高光谱分辨率激光雷达(high-spectral-resolution lidar,HSRL)系统及方法，解决了限制海洋弹性后向散射激光雷达精度的不适定问题和激光辐射传输的多次散射难题，实现了海水光学参数立体剖面的高精度激光遥感。
该研究成果以“Shipborne oceanic high-...
VIRTUALISING AN OTTOMAN FORTRESS – LASER SCANNING AND 3D MODELLING FOR THE DEVELOPMENT OF AN INTERACTIVE, IMMERSIVE VIRTUAL REALITY APPLICATION
3D HTC Vive modelling reconstruction virtual reality
2019/3/4
“A picture is worth a thousand words”: a famous quote about knowledge dissemination but also literally true. The documentation of cultural heritage (CH) monuments is carried out by measurements and ph...
DEVELOPMENT OF VIRTUAL REALITY APPLICATION FOR CULTURAL HERITAGE VISUALIZATION FROM MULTI-SOURCE 3D DATA
Virtual Reality Visualization Cultural heritage Multi-source data
2019/3/1
Immersive technologies like Virtual or Augmented Reality (VR/AR) are lately becoming more and more popular in wide range of scientific applications. These technologies provide the most immersive way t...
A SWEEP-PLANE ALGORITHM FOR THE SIMPLIFICATION OF 3D BUILDING MODELS IN THE APPLICATION SCENARIO OF WIND SIMULATIONS
3D City models Automated Processing BRep
2018/9/12
As the number of virtual 3D city models is steadily increasing, so are the possible applications that take advantage of them. 3D models can be used for applications that range from simple graphic visu...
LOW-COST 3D DEVICES AND LASER SCANNERS COMPARISON FOR THE APPLICATION IN ORTHOPEDIC CENTRES
Low-cost 3D sensors Biomedical applications 3D Metrology Resolution Systematic error
2018/3/30
Low-cost 3D sensors are nowadays widely diffused and many different solutions are available on the market. Some of these devices were developed for entertaining purposes, but are used also for acquisi...
matching topographic surfaces by retrieving and modeling 3d discrepancies. application to lidar data and photogrammetric surfaces
Lidar 3D registration robust estimation matching data fusion DSM
2015/9/1
If photogrammetry has been used for a long time to describe the topography, airborne laser systems are nowadays well-known to provide an accurate representation of terrestrial landscapes through irreg...
Evaluation of image based integrated measurement system and its application to topographic survey
Photogrammetry Calibration Digital Camera Laser Integration Non-contact
2015/8/25
A convenient 3D measurement using amateur digital camera is enormously expected in various fields with appearance of the low cost and high-resolution amateur digital cameras. In these circumstances, t...
CONSTRUCTION AND APPLICATION OF SATELLITE IMAGE 3D PRESENTATION SYSTEM FOR EDUCATION
DEM/DTM Infrared Internet Land Cover
2015/8/24
A system to provide data sets for 3D presentation of the Landsat image for any part of Japan and their viewer are constructed, and
uploaded as the SiPSE homepage in the Internet with the address htt...
First Demonstration of a Broadband 37-cell Hollow Core Photonic Bandgap Fiber and Its Application to High Capacity Mode Division Multiplexing
a Broadband 37-cell Hollow Core Photonic Bandgap Fiber Application to High Capacity Mode Division Multiplexing
2014/11/6
We report fabrication of the first low-loss, broadband 37-cell photonic bandgap fiber.Exploiting absence of surface modes and low cross-talk in the fiber we demonstrate mode division multiplexing over...
Application of SFM and laser scanning technology to the description of mosaics piece by piece
SFM (Structure from Motion) laser scanning comparison mosaic Ostia
2014/6/30
Mosaic floors of surviving buildings in Ostia have been mainly recorded in photographs. From 2008, Japanese research group carries out a project of 3d measuring of the whole structure of ancient Roman...
3D Laser Scanning Modeling and Application on Dazu Thousand-hand Bodhisattva in China
The Dazu Thousand-hand Bodhisattva Statue terrestrial laser scanning fine 3D modeling 3D shape restoration
2014/4/23
The Dazu Thousand-hand Bodhisattva Statue is located at Baoding Mountain in Chongqing. It has the reputation as "the Gem of World’s Rock Carving Art". At present，the Dazu Thousand-hand Bodhisattva Sta...
Method for Improving the Lateral Resolution of Near-Infrared (NIR) Single Optods: Application to Subcutaneous Vein Detection and Localization
Reflectance Measurements Photon Migration Optical Diagnosis Fiber Probe Design
2012/12/28
NIR backscattering measurements using single source-detector optical probe (optods) can detect absorption areas within deep tissue layer. However, such optods, are characterized by large separation di...
A Magnetically Levitated Precise Pointing Mechanism for Application to Optical Communication Terminals
Optical Communications Magnetic Levitation Control Pointing Active Anti-Vibration
2012/6/28
Increasing data bandwidth requirements from spacecraft systems is beginning to pressure existing microwave communications systems. Free-Space optical communications allows for larger bandwidths for lo...
Flexible Optical Waveguide Bent Loss Attenuation Effects Analysis and Modeling Application to an Intrinsic Optical Fiber Temperature Sensor
Optical Fiber Losses Curvature Sensor Temperature Micro Technology
2012/3/28
The temperature dependence of the bending loss light energy in multimode optical fibers is reported and analyzed. The work described in this paper aims to extend an initial previous analysis concernin...
Semiconductor Optical Amplifier (SOA)-Fiber Ring Laser and Its Application to Stress Sensing
Fiber Laser Fiber Sensor Ring Laser Semiconductor Optical Amplifier Optical Sensor
2011/12/5
We have developed a novel optical fiber ring laser using a semiconductor optical amplifier (SOA) as the gain medium, and taking advantage of polarization anisotropy of its gain. The frequency differen...