Results 1 to 10 of about 2,162,733 (357)

An Overview on Image-Based and Scanner-Based 3D Modeling Technologies [PDF]

Sensors, 2023
Advances in the scientific fields of photogrammetry and computer vision have led to the development of automated multi-image methods that solve the problem of 3D reconstruction.
Styliani Verykokou, Charalabos Ioannidis
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MR-MD:MULTI-ROBOT MAPPING WITH MANHATTAN DESCRIPTOR [PDF]

The International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences, 2023
Simultaneous Localization and Mapping (SLAM) technology, utilizing Light Detection and Ranging (LiDAR) sensors, is crucial for 3D environment perception and mapping.
H. Wu, H. Wu, H. Wu, R. Zhong, R. Zhong, R. Zhong, D. Xie, D. Xie, D. Xie, C. Chen, C. Chen, C. Chen, J. Tang, J. Tang, J. Tang, C. Wu, C. Wu, C. Wu, X. Qi, X. Qi, X. Qi   +20 more
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A New Approach to Identifying an Arbitrary Number of Inclusions, Their Geometry and Location in the Structure Using Topological Optimization

Applied Sciences, 2022
In the present paper, a new approach to identifying an arbitrary number of inclusions, their geometry and their location in 2D and 3D structures using topological optimization was proposed.
A. V. Krysko, Anton Makseev, Anton Smirnov, M. V. Zhigalov, V. A. Krysko   +4 more
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Single Tree Segmentation and Diameter at Breast Height Estimation With Mobile LiDAR

IEEE Access, 2021
The tree diameter at breast height (DBH) is one of the most important variables for monitoring the forest ecology. Mobile laser scanning (MLS), which has been widely applied in the forestry field, makes DBH measurement fast and convenient. However, there
Lulu Liu, Aiwu Zhang, Shen Xiao, Shaoxing Hu, Nianpeng He, Haiyang Pang, Xizhen Zhang, Shikai Yang   +7 more
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Estimating Carbon, Nitrogen, and Phosphorus Contents of West–East Grassland Transect in Inner Mongolia Based on Sentinel-2 and Meteorological Data

Remote Sensing, 2022
Estimating the carbon (C), nitrogen (N), and phosphorus (P) contents of a large-span grassland transect is essential for evaluating ecosystem functioning and monitoring biogeochemical cycles.
Haiyang Pang, Aiwu Zhang, Shengnan Yin, Jiaxin Zhang, Gang Dong, Nianpeng He, Wenxuan Qin, Dandan Wei   +7 more
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3D-STED Super-Resolution Microscopy Reveals Distinct Nanoscale Organization of the Hematopoietic Cell-Specific Lyn Substrate-1 (HS1) in Normal and Leukemic B Cells

Frontiers in Cell and Developmental Biology, 2021
HS1, the hematopoietic homolog of cortactin, acts as a versatile actin-binding protein in leucocytes. After phosphorylation, it is involved in GTPase and integrin activation, and in BCR, TCR, and CXCR4 downstream signaling. In normal and leukemic B cells,
Marta Sampietro, Marta Sampietro, Marta Sampietro, Moreno Zamai, Alfonsa Díaz Torres, Veronica Labrador Cantarero, Federica Barbaglio, Lydia Scarfò, Lydia Scarfò, Cristina Scielzo, Valeria R. Caiolfa, Valeria R. Caiolfa   +11 more
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Estimation of the Grassland Aboveground Biomass of the Inner Mongolia Plateau Using the Simulated Spectra of Sentinel-2 Images

Remote Sensing, 2020
An accurate assessment of the grassland aboveground biomass (AGB) is important for analyzing terrestrial ecosystem structures and functions, estimating grassland primary productivity, and monitoring climate change and carbon/nitrogen circulation on a ...
Haiyang Pang, Aiwu Zhang, Xiaoyan Kang, Nianpeng He, Gang Dong   +4 more
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Chronological sequence of megalithic burial complexes of the Eneolithic in the Velikaya Aleksandrovka burial mound [PDF]

Материалы по археологии и истории античного и средневекового Причерноморья, 2022
The emergence of the earliest burial mounds in the Eneolithic of the North Pontic steppes (3900/3800—3500/3400 BCE) was accompanied by the construction of the earliest megalithic structures — cromlechs, the circular structures of which consisted of ...
Daragan, M.N. , Polin, S.V. , Svoyski, Yu.M.   +2 more
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Corrosion of Steel in Concrete – Modeling of Electrochemical Potential Measurement in 3D Geometry [PDF]

Archives of Metallurgy and Materials, 2020
The paper presents a 3D model and simulations of corroding reinforcement bars in a concrete element. Electric potential distributions are calculated in the concrete matrix and on its surface for two rebars arrangements with one or three active (anodic ...
R. Filipek, K. Szyszkiewicz-Warzecha, J. Szczudło   +2 more
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أخطار السيول في مدينة القاهرة الجديدة باستخدام النمذجة الهيدرولوجية ثلاثية الأبعاد [PDF]

Maǧallaẗ Kulliyyaẗ Al-ādāb Ǧāmiʿaẗ Būrsaʿīd, 2022
يعد الجريان السيلي واحداً من المشكلات الطبيعية التي تهدد أعمال التنمية، ويهتم هذا البحث بدراسة أخطار السيول في واحدة من أهم مدن إقليم القاهرة الكبرى وهي مدينة القاهرة الجديدة عبر استخدام الأساليب والتقنيات الهيدرولوجية المتطورة لمحاكاة خطر الجريان السيلي
صبحي عبدالحميد
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