搜索结果: 1-15 共查到“测绘科学技术 Speed”相关记录17条 . 查询时间(0.046 秒)
High-speed camera captures a water jet’s splashy impact as it pierces a droplet（图）
高速摄像机 水射流 注射药物
2023/6/19
Squirting a jet of water through a drop of liquid may sound like idle fun, but if done precisely, and understood thoroughly, the splashy exercise could help scientists identify ways to inject fluids s...
A VARIANT OF LSD-SLAM CAPABLE OF PROCESSING HIGH-SPEED LOW-FRAMERATE MONOCULAR DATASETS
monocular visual odometry filter-based visual odometry Augmented Reality
2018/3/6
We develop a new variant of LSD-SLAM, called C-LSD-SLAM, which is capable of performing monocular tracking and mapping in high-speed low-framerate situations such as those of the KITTI datasets. The m...
A METHOD FOR THE EXTRACTION OF LONG-TERM DEFORMATION CHARACTERISTICS OF LONG-SPAN HIGH-SPEED RAILWAY BRIDGES USING HIGH-RESOLUTION SAR IMAGES
InSAR High Resolution Deformation Characteristic Long-term Long-span Bridge
2016/11/23
Natural causes and high-speed train load will result in the structural deformation of long-span bridges, which greatly influence the safety operation of high-speed railway. Hence it is necessary to co...
Multi-rank Method - Achieving Projection Transformation with Adjustable Accuracy and Speed
Raster Map Remote Sensing Image Projection Transformation Multi-rank Accuracy Speed
2016/1/25
In the field of GIS, it is frequently required to carry out projection transformation of massive raster maps or remote sensing images.
In this paper, a method named multi-rank method is presented. I...
DEVELOPMENT OF NEUROMORPHIC SIFT OPERATOR WITH APPLICATION TO HIGH SPEED IMAGE MATCHING
Neuromorphics SIFT Image Matching FPGA Neural Network
2016/1/18
There was always a speed/accuracy challenge in photogrammetric mapping process, including feature detection and matching. Most of the researches have improved algorithm's speed with simplifications or...
4D Surface matching for high-speed stereo sequences
high-speed camera stereo image sequence free-form surface matching correlation
2015/8/25
In automotive industry, an increasing demand on 3D surface reconstruction from high-speed camera images can be observed, e.g. in car safety testing environments. The paper deals with the automatic pho...
HIGH SPEED 3-D MEASUREMENT SYSTEM USING INCOHERENT LIGHT SOURCE FOR HUMAN PERFORMANCE ANALYSIS
3D measurement High speed Incoherent light source Motion analysis
2015/1/6
This paper presents a newly developed high speed 3-D measurement system, which enable us to obtain continuously range image of 768x480 spatial resolution at video rate. It is based on a light pattern ...
Impacts of the Collocation Window on the Accuracy of Altimeter/Buoy Wind Speed Comparison ——A Simulation Study
Altimeter buoy wind speed collocation simulation
2014/12/30
The choice of space and time windows is often a puzzling task in the simultaneous comparison of satellite and in situ observations. In this study, numerical simulations are carried out to examine the ...
FUNDAMENTAL STUDY ON REAL TIME MEASUREMENT OF ALTITUDE DATA WITH ACCELEROMETER AND VEHICLE SPEED SENSOR
Inertial navigation system Accelerometer Vehicle speed sensor Altitude Platform Mobile
2014/12/29
The background of this research is in the easy measurement of the difference of elevation of the surface of the earth in the developing countries. The leveling is being measured by generally using the...
XSTREAM: A Highly Efficient High Speed Real-time Satellite Data Acquisition and Processing System using Heterogeneous Computing
Heterogeneous computing Hybrid Computing Satellite Data Processing Real-time Processing IRS Cartosat GP/GPU FPGA OpenCL
2014/12/16
In the last decade, the remote sensing community has observed a significant growth in number of satellites, sensors and their resolutions, thereby increasing the volume of data to be processed each da...
Detecting Subsidence Along a High Speed Railway by Ultrashort Baseline TCP-InSAR with High Resolution Images
SAR PS-InSAR TCP-InSAR High resolution Subsidence Detecting Phase Unwrapping High Speed Railway
2014/4/22
A High Speed Railway goes across Wuqing district of Tianjin, China. Historical studies showed that the land subsidence of this area was very serious, which would give rise to huge security risk to the...
REAL TIME SPEED ESTIMATION FROM MONOCULAR VIDEO
Video images speed estimation monocular video object tracking optical flow traffic surveillance
2014/4/28
In this paper, detailed studies have been performed for developing a real time system to be used for surveillance of the traffic flow by using monocular video cameras to find speeds of the vehicles fo...
Improvement of Ocean Wind Speed Retrieval Accuracy Taking Into Account a Relative Wind Direction on Observed Brightness Temperature with Microwave Radiometer
relative wind direction ocean wind speed microwave radiometer
2009/3/20
An ocean wind retrival method with microwave radiometer data is proposed taking into accout relative wind directions on observed brightness temperature. The proposed method is based on the geophysical...
Algorithm Development in Retrieving Sea Surface Temperature and Sea Surface Wind Speed
AMSR STT SSW Aigorithm AQUA
2010/11/23
For two spaceborne passive microwave radiometers : Advanced Microwave Scanning Radiometer (AMSR) aboard the JAXA/ADEOS-II and AMSR-E aboard the NASA/AQUA, algorithms of retrieving sea surface temperat...
Wind Speed and Latent Heat Flux Retrieved by Simultaneous Observation of Multiple Geophysical Parameters by AMSR-E
AMSR-E Latent heat flux wind speed relative wind direction microwave radiometer
2010/11/23
Wind speed and Latent heat flux derived by Advanced Microwave Scanning Radiometer (AMSR) for Earth Observing System (AMSR-E) on Aqua are validated using the tropical and the mid-latitude Pacific surfa...