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A new chip for decoding data transmissions demonstrates record-breaking energy efficiency（图）
数据传输 新芯片 能源效率
2023/6/8
Imagine using an online banking app to deposit money into your account. Like all information sent over the internet, those communications could be corrupted by noise that inserts errors into the data.
A universal system for decoding any type of data sent across a network（图）
解码 计算机网络 芯片 半导体技术
2023/6/9
Every piece of data that travels over the internet — from paragraphs in an email to 3D graphics in a virtual reality environment — can be altered by the noise it encounters along the way, such as elec...
Finding new functional materials is always tricky. But searching for very specific properties among a relatively small family of known materials is even more difficult.But a team from Northwestern Eng...
INTEGRATION OF FULL-WAVEFORM INFORMATION INTO THE AIRBORNE LASER SCANNING DATA FILTERING PROCESS
DTM Filtering Full-waveform Laser scanning Lidar
2016/2/29
Terrain classification of current discrete airborne laser scanning data requires filtering algorithms based on the spatial relationship
between neighbouring three-dimensional points. However, diffic...
AUTOMATIC EXTRACTION OF VERTICAL WALLS FROM MOBILE AND AIRBORNE LASER SCANNING DATA
buildings 3D feature extraction map updating position accuracy
2016/2/29
Building outlines in cadastral maps are often created from different sources such as terrestrial surveying and photogrammetric
analyses. In the latter case the position of the building wall cannot b...
Building Exctraction from Laser Scanning Data
Hough Transform Laser Scanning City Modeling Orientation Estimation
2015/12/8
Laser scanning systems are frequently used to provide the digital surface models, DSM, of the earth surface. Laser scanning is a fast and precise technique to extract information related with various ...
Terrain Classification Using Airborne LIDAR Data and Aerial Imagery
Airborne Laser Scanning LIDAR, Aerial Imagery Bare-Earth Estimation Classification Spectral Analysis
2015/12/8
Updated geographic information and 3-D environment models are becoming increasingly important for both military and civilian applications such as simulation, mission planning, visualization, landscapi...
An Approach from Point Cloud plus Feature Data to Grid DEM
DEM LIDAR Point Cloud Feature Data Pattern Recognition
2015/12/8
Data sets acquired by LIDAR consist of land surface information and non-surface information, through some filter methods can get rid of non-surface information, but leave behind non-data area, some im...
Impact of an Optimized Position and Orientation System on the Final Accuracy of LIDAR Data
LIDAR geo-referencing advancement accuracy analysis processing comparison data acquisition
2015/12/8
Airborne (or mobile) laser scanning is used to generate high-accuracy data for various mapping and remote sensing applications. In recent studies by Optech Incorporated, Optech’s Airborne Laser Terrai...
An Approach for Filtering LIDAR Data in Coastal Vegetated Areas Using Intensity Information and Multiple Echoes
LIDAR coast vegetation classification intensity multiple echoes DTM generation
2015/12/8
Accurate digital terrain models (DTM) are one of the most important requirements for many applications in coastal management and safety, such as the calculation of the volume of dunes and dikes for th...
Airborne Laser Scanning Data Filtering Using Flakes
airborne laser scanning filtering flakes variational modelling filtering errors
2015/12/8
Generation of digital terrain model on the basis of airborne laser scanning data requires extracting exclusively these points from the raw point cloud which are reflections of a laser beam from the gr...
Building Boundary Extraction Based on LIDAR Point Clouds Data
LIDAR Laser Scanning Point Clouds Algorithms Building Extraction Processing
2015/12/8
LIDAR (Light Detection And Ranging) is an active remote sensing system, which could provide fleetly three dimensional information of earth surface with high vertical accuracy. Now the building boundar...
Problems in Automated Building Reconstruction Based on Dense Airborne Laser Scanning Data
Laser scanner Three Dimensional Building Reconstruction Problem Urban
2015/12/4
Reconstructing buildings in 3D has been a challenging research topic for at least ten years, and will be in future as long as acquisition systems are improving and model requirements are increasing. D...
Filining Lacunas in Terrestrial Laser Scanning Data: The "Cavallo Ligneo" of the "Palazzo Della Ragione" (Padua, Italy)
Laser scanning Cultural Heritage Application Reconstruction Modelling
2015/11/13
Laser scanning methodology allows to reconstruct the metric characteristics of objects at different LOD (Level Of Detail) providing spatially dense points clouds. In particular, the terrestrial applic...
Design and development of memory mapping for an image data acquisition system
Data acquisition system the analog signals the memory mapping high resolution
2014/12/31
Data acquisition systems typically convert analog signals into digital values for processing. In this graduate project, a memory mapping process for an image data acquisition system, which is built ou...