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High in the atmosphere of Venus, a swirl of sulfur-containing clouds blankets the planet. Dark spots in these clouds correspond with areas of high ultraviolet light absorption, but researchers have ye...
Could acid-neutralizing life-forms make habitable pockets in Venus’ clouds?（图）
酸中和 金星云 生命形式
2023/6/8
It’s hard to imagine a more inhospitable world than our closest planetary neighbor. With an atmosphere thick with carbon dioxide, and a surface hot enough to melt lead, Venus is a scorched and suffoca...
Global satellite data shows clouds will amplify global heating
cloud global heating satellite measurements
2021/8/3
A new approach to analyse satellite measurements of Earth's cloud cover reveals that clouds are very likely to enhance global heating.
Clouds' greenhouse effect instrumental in origin of tropical storms（图）
Clouds greenhouse effect instrumental origin tropical storms
2020/11/6
The tropical storm season in the Atlantic Ocean is already well into the Greek alphabet for naming.Better tropical storm track forecasting has allowed timely preparations and evacuations. However, pre...
CLUSTERING OF WALL GEOMETRY FROM UNSTRUCTURED POINT CLOUDS
Building Information Modeling Clustering Wall Building Point Clouds
2019/3/1
The automated reconstruction of Building Information Modeling (BIM) objects from point cloud data is still ongoing research. A key aspect is retrieving the proper observations for each object. After s...
A THRESHOLD-FREE FILTERING ALGORITHM FOR AIRBORNE LIDAR POINT CLOUDS BASED ON EXPECTATION-MAXIMIZATION
Airborne LiDAR Point clouds Filtering Ground points Expectation-maximization Intensity
2018/5/14
Filtering is a key step for most applications of airborne LiDAR point clouds. Although lots of filtering algorithms have been put forward in recent years, most of them suffer from parameters setting o...
EIGENENTROPY BASED CONVOLUTIONAL NEURAL NETWORK BASED ALS POINT CLOUDS CLASSIFICATION METHOD
EIGENENTROPY CONVOLUTIONAL NEURAL NETWORK ALS POINT CLOUDS CLASSIFICATION METHOD
2018/5/16
The classification of point clouds is the first step in the extraction of various types of geo-information form point clouds. Recently the ISPRS WG II/4 provides a benchmark on 3D semantic labelling, ...
How Ice In Clouds Is Born（图）
Ice Clouds Born
2017/11/24
Something almost magical happens when you put a tray full of sloshing, liquid water into a freezer and it comes out later as a rigid, solid crystal of ice. Chemists at the University of Utah have pull...
2017云和大气过程可视化研讨会（The workshop on Visualization of Clouds and Atmospheric Processes）
2017 云和大气过程可视化 研讨会
2017/9/22
The output generated by climate simulations is increasing in size, as well as complexity. Both aspects pose equal challenges for the visualization and interactive analysis of the data. The increase in...
COMPARATIVE ANALYSIS OF 3D POINT CLOUDS GENERATED FROM A FREEWARE AND TERRESTRIAL LASER SCANNER
Laser Scanning Close Range Photogrammetry Point clouds Heritage VSfM
2017/8/10
In the recent past, several heritage structures have faced destruction due to both human-made incidents and natural calamities that have caused a great loss to the human race regarding its cultural ac...
GLOBAL REGISTRATION OF KINECT POINT CLOUDS USING AUGMENTED EXTENDED INFORMATION FILTER AND MULTIPLE FEATURES
Global registration Kinect Augmented extended Information filter Point cloud fitting Indoor mapping
2016/10/14
Because the Infra-Red (IR) Kinect sensor only provides accurate depths up to 5 m for a limited field of view (60°), the problem of registration error accumulation becomes inevitable in indoor ma...
COMPARISON OF UAV-ENABLED PHOTOGRAMMETRY-BASED 3D POINT CLOUDS AND INTERPOLATED DSMs OF SLOPING TERRAIN FOR ROCKFALL HAZARD ANALYSIS
Drones UAV Photogrammetry 3D point clouds Rockfall Structure-from-Motion DSM
2016/10/14
UAVs are expected to be particularly valuable to define topography for natural slopes that may be prone to geological hazards, such as landslides or rockfalls. UAV-enabled imagery and aerial mapping c...
3D-MODELING OF VEGETATION FROM LIDAR POINT CLOUDS AND ASSESSMENT OF ITS IMPACT ON FAÇADE SOLAR IRRADIATION
LiDAR solar potential solar irradiation vegetation convex hull individual tree crown detection (ITCD)
2016/10/14
The presence of vegetation can significantly affect the solar irradiation received on building surfaces. Due to the complex shape and seasonal variability of vegetation geometry, this topic has gained...
New radio map of Jupiter reveals what’s beneath colorful clouds
New radio map Jupiter beneath colorful clouds
2016/6/12
tronomers using the upgraded Karl G. Jansky Very Large Array in New Mexico have produced the most detailed radio map yet of the atmosphere of Jupiter, revealing the massive movement of ammonia gas tha...
Scientists discover that salty sea spray affects clouds
Scientists salty sea spray clouds
2015/12/22
All over the planet, every day, oceans send plumes of sea spray into the atmosphere. Beyond the poetry of crashing ocean waves, this salt- and carbon-rich spray also has a dramatic effect on cloud for...