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INDIVIDUAL ROCKS SEGMENTATION IN TERRESTRIAL LASER SCANNING POINT CLOUD USING ITERATIVE DBSCAN ALGORITHM
DBSCAN rocks segmentation terrestrial laser scanning fluvial transport
2018/6/5
The fluvial transport is an important aspect of hydrological and geomorphologic studies. The knowledge about the movement parameters of different-size fractions is essential in many applications, such...
Researchers develop graphene nano ‘tweezers’ that can grab individual biomolecules（图）
Researchers graphene nano tweezers grab individual biomolecules
2017/12/19
Researchers from the University of Minnesota College of Science and Engineering have found yet another remarkable use for the wonder material graphene—tiny electronic “tweezers” that can grab biomolec...
FULLY AUTOMATED GIS-BASED INDIVIDUAL TREE CROWN DELINEATION BASED ON CURVATURE VALUES FROM A LIDAR DERIVED CANOPY HEIGHT MODEL IN A CONIFEROUS PLANTATION
Crown Delineation Canopy Height Model (CHM) Local Maxima Curvature Slope Thiessen Polygons
2016/11/30
The generation of high resolution canopy height model (CHM) from LiDAR makes it possible to delineate individual tree crown by means of a fully-automated method using the CHM’s curvature through its s...
ACCURACY ASSESSMENT OF CROWN DELINEATION METHODS FOR THE INDIVIDUAL TREES USING LIDAR DATA
Forest Canopy LiDAR Pit-free Stand-level
2016/11/30
Forest canopy density and height are used as variables in a number of environmental applications, including the estimation of biomass, forest extent and condition, and biodiversity. The airborne Light...
INDIVIDUAL TREE OF URBAN FOREST EXTRACTION FROM VERY HIGH DENSITY LIDAR DATA
Tree Extraction LiDAR Point Cloud OPTICs Clustering Principal Components Analysis
2016/7/27
Airborne LiDAR (Light Detection and Ranging) data have a high potential to provide 3D information from trees. Most proposed methods to extract individual trees detect points of tree top or bottom firs...
The Two-User Responsive Workbench: Support for Collaboration Through Individual Views of a Shared Space
Virtual environments Responsive Workbench
2016/5/24
We present the two-user Responsive Workbench: a projectionbased
virtual reality system that allows two people to simultaneously
view individual stereoscopic image pairs from their own
viewpoints. T...
COMPARISON BETWEEN AN AREA-BASED AND INDIVIDUAL TREE DETECTION METHOD FOR LOW-PULSE DENSITY ALS-BASED FOREST INVENTORY
Forest inventory Laser scanning k-NN Individual tree detection Accuracy
2016/2/29
Airborne laser scanning (ALS)-based forest inventories are being increasingly used. The two main approaches in deriving forest
information from small-footprint laser scanner data are the area-based a...
Comparison of Different Image Fusion Techniques for Individual Tree Crown Identification using QUICKBIRD Images
Forestry Image fusion QuickBird High resolution Individual tree crown Zagros
2016/1/25
With the advent of a new generation of high resolution satellites, images are now available with less than 1 meter spatial resolution in
panchromatic mode. For successful individual tree crown ident...
Individual Addressing in Quantum Computation through Spatial Refocusing
Individual Addressing Quantum Computation Spatial Refocusing
2016/1/23
Separate addressing of individual qubits is a challenging requirement for scalable quantum computation, and crosstalk between operations on neighboring qubits remains a significant source of error for...
APPLICATIONS OF PHOTOGRAMMETRY FOR ANALYSIS OF FOREST PLANTATIONS. PRELIMINARY STUDY: ANALYSIS OF INDIVIDUAL TREES
Photogrammetry Stem Volume Stem Diameter
2015/5/6
This paper presents a method for using high detail volumetric information, captured with a land based photogrammetric survey, to obtain information from individual trees. Applying LIDAR analysis tech...
SEGMENTATION AND CROWN PARAMETER EXTRACTION OF INDIVIDUAL TREES IN AN AIRBORNE TOMOSAR POINT CLOUD
Synthetic Aperture Radar (SAR) Multi-Aspect TomoSAR Point Clouds,Trees 3D Reconstruction Forested Areas
2015/4/1
The analysis of individual trees is an important field of research in the forest remote sensing community. While the current state-of-theart mostly focuses on the exploitation of optical imagery and a...
PREDICTABILITY OF INDIVIDUAL MASS MOVEMENTS FROM SPATIAL DATABASES FOR HAZARD MAPPING
INDIVIDUAL MASS MOVEMENTS SPATIAL DATABASES HAZARD MAPPING
2015/3/16
PREDICTABILITY OF INDIVIDUAL MASS MOVEMENTS FROM SPATIAL DATABASES FOR HAZARD MAPPING.
ESTIMATING INDIVIDUAL TREE HEIGHTS OF THE BOREAL FOREST USING AIRBORNE LASER ALTIMETRY AND DIGITAL VIDEOGRAPHY
Laser altimetry Tree Height Boreal Forest Videography
2014/12/22
Estimation of tree heights for large territories is either expensive if done in the field or imprecise when accomplished through automated stereophotogrammetry. While scanning laser altimetry provides...
Invertebrate Phenology and Prey Selection of Three Sympatric Species of Salmonids; Implications for Individual Fish Growth
Invertebrate Phenology Prey Selection Three Sympatric Species Salmonids Individual Fish Growth
2014/12/11
Growth plays an important roll in the survival of individual salmonid fish. Diet inevitably plays a significant role in the determination of salmonid growth, with these diets consisting primarily of a...
Engineers develop new sensor to detect tiny individual nanoparticles（图）
tiny individual nanoparticles Engineers
2014/9/12
Nanoparticles, engineered materials about a billionth of a meter in size, are around us every day. Although they are tiny, they can benefit human health, as in some innovative early cancer treatments,...