Results 21 to 30 of about 997,464 (307)

Linear-Based Incremental Co-Registration of MLS and Photogrammetric Point Clouds

open access: yesRemote Sensing, 2021
Today, mobile laser scanning and oblique photogrammetry are two standard urban remote sensing acquisition methods, and the cross-source point-cloud data obtained using these methods have significant differences and complementarity.
Shiming Li   +4 more
doaj   +1 more source

End-to-End Point Cloud Completion Network with Attention Mechanism

open access: yesSensors, 2022
We propose a conceptually simple, general framework and end-to-end approach to point cloud completion, entitled PCA-Net. This approach differs from the existing methods in that it does not require a “simple” network, such as multilayer perceptrons (MLPs),
Yaqin Li   +4 more
doaj   +1 more source

Projection-Based Point Convolution for Efficient Point Cloud Segmentation

open access: yesIEEE Access, 2022
Understanding point cloud has recently gained huge interests following the development of 3D scanning devices and the accumulation of large-scale 3D data.
Pyunghwan Ahn   +4 more
doaj   +1 more source

3D point cloud video segmentation oriented to the analysis of interactions [PDF]

open access: yes, 2016
Given the widespread availability of point cloud data from consumer depth sensors, 3D point cloud segmentation becomes a promising building block for high level applications such as scene understanding and interaction analysis.
Casas Pla, Josep Ramon   +2 more
core   +1 more source

The Devils in the Point Clouds: Studying the Robustness of Point Cloud Convolutions

open access: yes, 2021
Recently, there has been a significant interest in performing convolution over irregularly sampled point clouds. Since point clouds are very different from regular raster images, it is imperative to study the generalization of the convolution networks more closely, especially their robustness under variations in scale and rotations of the input data ...
Li, Xingyi   +3 more
openaire   +2 more sources

Multistage Adaptive Point-Growth Network for Dense Point Cloud Completion

open access: yesRemote Sensing, 2022
The point cloud data from actual measurements are often sparse and incomplete, making it difficult to apply them directly to visual processing and 3D reconstruction.
Ruidong Hao   +6 more
doaj   +1 more source

Consistent ICP for the registration of sparse and inhomogeneous point clouds [PDF]

open access: yes, 2016
In this paper, we derive a novel iterative closest point (ICP) technique that performs point cloud alignment in a robust and consistent way. Traditional ICP techniques minimize the point-to-point distances, which are successful when point clouds contain ...
Goeman, Werner   +3 more
core   +1 more source

Fused Projection-Based Point Cloud Segmentation

open access: yesSensors, 2022
Semantic segmentation is used to enable a computer to understand its surrounding environment. In image processing, images are partitioned into segments for this purpose.
Maximilian Kellner   +2 more
doaj   +1 more source

Cloud Base Signature in Transmission Spectra of Exoplanet Atmospheres [PDF]

open access: yes, 2014
We present an analytical model for the transmission spectrum of a transiting exoplanet, showing that a cloud base can produce an observable inflection point in the spectrum.
Cuzzi, Jeffrey N.   +3 more
core   +1 more source

Point clouds in BIM [PDF]

open access: yesIOP Conference Series: Earth and Environmental Science, 2016
The representation of physical buildings in Building Information Models (BIM) has been a subject of research since four decades in the fields of Construction Informatics and GeoInformatics. The early digital representations of buildings mainly appeared as 3D drawings constructed by CAD software, and the 3D representation of the buildings was only ...
Ivan Kunchev   +2 more
openaire   +1 more source

Home - About - Disclaimer - Privacy