Results 41 to 50 of about 990,162 (328)

Surface reconstruction and ferroelectricity in PbTiO$_3$ thin films

open access: yes, 2005
Surface and ferroelectric properties of PbTiO$_3$ thin films are investigated using an interatomic potential approach with parameters computed from first-principles calculations.
A. Munkholm   +6 more
core   +1 more source

A Photogrammetric-Photometric Stereo Method for High-Resolution Lunar Topographic Mapping Using Yutu-2 Rover Images

open access: yesRemote Sensing, 2021
Topographic products are important for mission operations and scientific research in lunar exploration. In a lunar rover mission, high-resolution digital elevation models are typically generated at waypoints by photogrammetry methods based on rover ...
Man Peng   +6 more
doaj   +1 more source

Swim bladder-derived biomaterials: structures, compositions, properties, modifications, and biomedical applications

open access: yesJournal of Nanobiotechnology
Animal-derived biomaterials have been extensively employed in clinical practice owing to their compositional and structural similarities with those of human tissues and organs, exhibiting good mechanical properties and biocompatibility, and extensive ...
Xiaorong Lan   +7 more
doaj   +1 more source

Incremental and Enhanced Scanline-Based Segmentation Method for Surface Reconstruction of Sparse LiDAR Data

open access: yesRemote Sensing, 2016
The segmentation of point clouds is an important aspect of automated processing tasks such as semantic extraction. However, the sparsity and non-uniformity of the point clouds gathered by the popular 3D mobile LiDAR devices pose many challenges for ...
Weimin Wang   +2 more
doaj   +1 more source

Design and Analysis of High-Accuracy Telecentric Surface Reconstruction System Based on Line Laser

open access: yesApplied Sciences, 2021
Non-contact measurement technology based on triangulation with cameras is extensively applied to the development of computer vision. However, the accuracy of the technology is generally not satisfactory enough.
Linshen Yao, Haibo Liu
doaj   +1 more source

Scalable Dense Monocular Surface Reconstruction

open access: yes, 2017
This paper reports on a novel template-free monocular non-rigid surface reconstruction approach. Existing techniques using motion and deformation cues rely on multiple prior assumptions, are often computationally expensive and do not perform equally well
Ansari, Mohammad Dawud   +2 more
core   +1 more source

Scalable virtual viewpoint image synthesis for multiple camera environments [PDF]

open access: yes, 2005
One of the main aims of emerging audio-visual (AV) applications is to provide interactive navigation within a captured event or scene. This paper presents a view synthesis algorithm that provides a scalable and flexible approach to virtual viewpoint ...
Cooke, Eddie, O'Connor, Noel E.
core   +1 more source

Revealing the structure of land plant photosystem II: the journey from negative‐stain EM to cryo‐EM

open access: yesFEBS Letters, EarlyView.
Advances in cryo‐EM have revealed the detailed structure of Photosystem II, a key protein complex driving photosynthesis. This review traces the journey from early low‐resolution images to high‐resolution models, highlighting how these discoveries deepen our understanding of light harvesting and energy conversion in plants.
Roman Kouřil
wiley   +1 more source

Semi-automatic segmentation and surface reconstruction of computed tomography images by using rotoscoping and warping techniques

open access: yesFolia Morphologica, 2020
Background: Quick and large-scale segmentation along with three-dimensional (3D) reconstruction is necessary to make precise 3D musculoskeletal models for surface anatomy education, palpation training, medical communication, morphology research, and ...
S. K. Park, B. K. Kim, D. S. Shin
doaj   +1 more source

AdaSplats: Adaptive Splatting of Point Clouds for Accurate 3D Modeling and Real-Time High-Fidelity LiDAR Simulation

open access: yesRemote Sensing, 2022
LiDAR sensors provide rich 3D information about their surroundings and are becoming increasingly important for autonomous vehicles tasks such as localization, semantic segmentation, object detection, and tracking.
Jean Pierre Richa   +3 more
doaj   +1 more source

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