Results 1 to 10 of about 7,665,845 (335)

A Machine Proof System of Point Geometry Based on Coq

open access: yesMathematics, 2023
An important development in geometric algebra in recent years is the new system known as point geometry, which treats points as direct objects of operations and considerably simplifies the process of geometric reasoning.
Siran Lei   +4 more
doaj   +2 more sources

GPV-Pose: Category-level Object Pose Estimation via Geometry-guided Point-wise Voting [PDF]

open access: greenComputer Vision and Pattern Recognition, 2022
While 6D object pose estimation has recently made a huge leap forward, most methods can still only handle a single or a handful of different objects, which limits their applications.
Di Yan   +6 more
openalex   +3 more sources

A point's point of view of stringy geometry [PDF]

open access: green, 2003
The notion of a "point" is essential to describe the topology of spacetime. Despite this, a point probably does not play a particularly distinguished role in any intrinsic formulation of string theory. We discuss one way to try to determine the notion of
Paul S. Aspinwall
openalex   +4 more sources

A Point-to-Distribution Joint Geometry and Color Metric for Point Cloud Quality Assessment [PDF]

open access: greenIEEE International Workshop on Multimedia Signal Processing, 2021
Point clouds (PCs) are a powerful 3D visual representation paradigm for many emerging application domains, especially virtual and augmented reality, and autonomous vehicles. However, the large amount of PC data required for highly immersive and realistic
Alireza Javaheri   +3 more
openalex   +3 more sources

Geometry Students’ Arguments About a 1-Point Perspective Drawing [PDF]

open access: diamondREDIMAT, 2017
The practice of formulating and justifying claims is a fundamental aspect of doing mathematics, and in geometry, students’ use of diagrams is integral to how they establish arguments. We applied Toulmin’s model to examine 23 geometry students’ arguments
Anna F. DeJarnette, Gloriana Gonzalez
doaj   +2 more sources

True coincidence summing correction factor for point source geometry with PHITS

open access: diamondNuclear Engineering and Technology, 2023
In this study, it has been shown that the true coincidence summing correction factor can be obtained for the first time using the PHITS Monte Carlo program.
Esra Uyar
doaj   +2 more sources

Point cloud geometry compression with sparse cascaded residuals and sparse attention [PDF]

open access: goldElectronics Letters
Effective compression of point clouds is essential for implementing virtual and mixed reality applications, which require encoding millions or even tens of millions of points. This paper offers a new geometric compression for point clouds based on sparse
Shiyu Lu, Huamin Yang, Cheng Han
doaj   +2 more sources

PoinTr: Diverse Point Cloud Completion with Geometry-Aware Transformers [PDF]

open access: yesIEEE International Conference on Computer Vision, 2021
Point clouds captured in real-world applications are of-ten incomplete due to the limited sensor resolution, single viewpoint, and occlusion. Therefore, recovering the complete point clouds from partial ones becomes an indispensable task in many ...
Xumin Yu   +5 more
semanticscholar   +1 more source

AdaPoinTr: Diverse Point Cloud Completion With Adaptive Geometry-Aware Transformers [PDF]

open access: yesIEEE Transactions on Pattern Analysis and Machine Intelligence, 2023
In this paper, we propose a Transformer encoder-decoder architecture, called PoinTr, which reformulates point cloud completion as a set-to-set translation problem and employs a geometry-aware block to model local geometric relationships explicitly.
Xumin Yu   +4 more
semanticscholar   +1 more source

Lossless Point Cloud Geometry and Attribute Compression Using a Learned Conditional Probability Model [PDF]

open access: yesIEEE transactions on circuits and systems for video technology (Print), 2023
In recent years, we have witnessed the presence of point cloud data in many aspects of our life, from immersive media, autonomous driving to healthcare, although at the cost of a tremendous amount of data.
D. Nguyen, A. Kaup
semanticscholar   +1 more source

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