نتایج جستجو برای: cloud point extraction

تعداد نتایج: 756868  

Journal: :ISPRS Annals of the Photogrammetry, Remote Sensing and Spatial Information Sciences 2019

Journal: :The International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences 2018

Journal: :The International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences 2019

Journal: :Remote Sensing 2023

As an active remote sensing technology, airborne LIDAR can work at all times while emitting specific wavelengths of laser light that penetrate seawater. Airborne bathymetry (ALB) records object’s full return waveform, including the water surface, column, seafloor, and objects on it. Due to seawater’s absorption scattering seafloor’s reflectivity effect, amplitude seafloor echoes varies greatly....

2015
M. Weinmann A. Schmidt C. Mallet S. Hinz F. Rottensteiner B. Jutzi

The fully automated analysis of 3D point clouds is of great importance in photogrammetry, remote sensing and computer vision. For reliably extracting objects such as buildings, road inventory or vegetation, many approaches rely on the results of a point cloud classification, where each 3D point is assigned a respective semantic class label. Such an assignment, in turn, typically involves statis...

2014
A. M. Lopes V. C. Santos-Ebinuma A. Pessoa Júnior C. O. Rangel-Yagui

Aqueous two-phase micellar systems (ATPMS) can be exploited in separation science for the extraction/purification of desired biomolecules. Prior to phase separation the surfactant solution reaches a cloud point temperature, which is influenced by the presence of electrolytes. In this work, we provide an investigation on the cloud point behavior of the nonionic surfactant C10E4 in the presence o...

Journal: :ISPRS Int. J. Geo-Information 2016
Borja Rodríguez-Cuenca Silverio García Cortés C. Ordóñez Galán María Concepcion Alonso

Automatic curb detection is an important issue in road maintenance, three-dimensional (3D) urban modeling, and autonomous navigation fields. This paper is focused on the segmentation of curbs and street boundaries using a 3D point cloud captured by a mobile laser scanner (MLS) system. Our method provides a solution based on the projection of the measured point cloud on the XY plane. Over that p...

2012
Quanshi Zhang Xuan Song Xiaowei Shao Ryosuke Shibasaki Huijing Zhao

This paper presents a novel method to extract skeletons of complex articulated objects from 3D point cloud sequences collected by the Kinect. Our approach is more robust than the traditional video-based and stereobased approaches, as the Kinect directly provides 3D information without any markers, 2D-to-3D-transition assumptions, and feature point extraction. We track all the raw 3D points on t...

Cloud manufacturing is defined as a relationship between the consumer and a flexible array of production services, managed by an intervening architecture that can match service providers to product and manufacturing processes Cloud manufacturing definitions typically make explicit or imply three groups of actors: consumers, who request and use cloud manufacturing processes; application provider...

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