Showing 561 - 580 results of 596 for search '"curvature"', query time: 0.05s Refine Results
  1. 561

    Evaluation of Rapeseed Leave Segmentation Accuracy Using Binocular Stereo Vision 3D Point Clouds by Lili Zhang, Shuangyue Shi, Muhammad Zain, Binqian Sun, Dongwei Han, Chengming Sun

    Published 2025-01-01
    “…Finally, using the region-growing algorithm during the seedling stage with a normal angle threshold set at 5.0/180.0* M_PI and a curvature threshold set at 1.5 helps to avoid the under-segmentation and over-segmentation issues, achieving complete segmentation of rapeseed seedling leaves, while the LCCP clustering method fully segments rapeseed leaves at the bolting stage. …”
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  2. 562

    Novel Algorithm for Surgical Management of Cervical Ossification of Posterior Longitudinal Ligament: A Retrospective Cohort Study With 2‐Year Follow‐Up by Zhuyun Cai, Hui Kang, Lei Quan, Yilong Ren, Meng Fang, Yixuan Tan, Haochen Zhang, Xuhui Zhou, Jun Ma

    Published 2025-02-01
    “…In terms of restoring cervical curvature, patients with Type I (receiving ACAF) and Type II b2 (receiving laminectomy with instrumented fusion) benefited more from surgery (p < 0.05). …”
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  3. 563

    Perforated Carcinoma in the Gastric Remnant: A Case of Conservative Treatment Prior to Successful Curative R0 Resection by Ken Yuu, Hiroshi Kawashima, Sho Toyoda, Satoshi Okumura, Kansuke Yamamoto, Naoto Mizumura, Aya Ito, Hiromitsu Maehira, Atsuo Imagawa, Masao Ogawa, Masayasu Kawasaki, Masao Kameyama

    Published 2016-01-01
    “…Adhesion between the lateral segment of the liver and the dissected lesser curvature of the gastric remnant may have contributed to the peritonitis in this case, which was limited to the epigastrium. …”
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  4. 564

    Study on Roof-Coal Caving Characteristics with Complicated Structure by Fully Mechanized Caving Mining by Yunpei Liang, Lei Li, Xuelong Li, Kequan Wang, Jinhua Chen, Zhongguang Sun, Xuelin Yang

    Published 2019-01-01
    “…The probability of coal arch formation with an extraction-caving ratio of 3 is minimal, about 0.4, which is due to that the arch span is large and the curvature is small, so it is difficult to form a stable arch structure. …”
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  5. 565

    Simultaneous Changes in Astigmatism with Noncycloplegia Refraction and Ocular Biometry in Chinese Primary Schoolchildren by Yaoyao Lin, Dandan Jiang, Chunchun Li, Xiao Chang, Balamurali Vasudevan, Xiaoqiong Huang, Wenzhe Zhou, Lei Qin, Yanyan Chen

    Published 2019-01-01
    “…We measured noncycloplegic refraction twice each year and tested axial length (AL) and corneal radius of curvature (CRC) annually for two years. We defined clinically significant astigmatism (CSA) as ≤−0.75 diopter (D) and non-CSA astigmatism as ≤0 to >−0.75 D. …”
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  6. 566

    Using GIS and Analytical Hierarchy Process (AHP) for flood hazard assessment based on morphological and hydrological criteria, case of the Meknes region, Morocco by Essahlaoui Narjisse, Ijlil Safae, Alitane Abdennabi, Mohajane Meriame, El Ouali Abdelhadi, Rhazi Abdelaziz, Oumou Abdellah, Alouane Ayoub, Ammari Zakaria, Khrabcha Abdelali, El Hafyani Mohamed, Essahlaoui Ali, Aouragh My Hachem, Van Rompaey Anton

    Published 2025-01-01
    “…This hazard is assessed by taking into account morphological criteria (slope, altitude, density of the hydrographic network, curvature) and hydrological criteria (drainage density, stream power index (SPI) and rainfall data). …”
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  7. 567

    Shaping Ability of XP Endo Shaper File in Curved Root Canal Models by Abdulmohsen Alfadley, Abdalrhman Alrajhi, Hamad Alissa, Faisal Alzeghaibi, Lubna Hamadah, Khalid Alfouzan, Ahmed Jamleh

    Published 2020-01-01
    “…Images of the canals were obtained before and after instrumentation using a stereomicroscope to measure the amount of removed resin from both the inner and outer curvature sides at apex (0 mm) and 3 mm and 6 mm from the apex. …”
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  8. 568

    Preliminary study assessing the long-term surgical outcomes of TBX6-associated congenital scoliosis (TACS) patients using the propensity score matching method: exploring the clinic... by Guanfeng Lin, Yang Yang, Zefu Chen, Sen Zhao, Yuchen Niu, You Du, Yiwei Zhao, Shengru Wang, Nan Wu, Jianguo Zhang

    Published 2025-01-01
    “…After propensity score matching, patients with TACS were matched with patients with NTACS according to sex, age, main curvature, classification, deformity location, surgical methods, fusion segment and number of fusions. …”
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  9. 569

    VECTOR: Velocity-Enhanced GRU Neural Network for Real-Time 3D UAV Trajectory Prediction by Omer Nacar, Mohamed Abdelkader, Lahouari Ghouti, Kahled Gabr, Abdulrahman Al-Batati, Anis Koubaa

    Published 2024-12-01
    “…Our methodology employs both synthetic and real-world 3D UAV trajectory data, incorporating diverse patterns of agility, curvature, and speed. Synthetic data are generated using the Gazebo robotics simulator and PX4 Autopilot, while real-world data are sourced from the UZH-FPV and Mid-Air drone racing datasets. …”
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  10. 570

    Eyes of Aniso-Axial Length Individuals Share Generally Similar Corneal Biometrics with Normal Eyes in Cataract Population by Min Zhang, Tianhui Chen, Michael Deng, Jiahui Chen, Qinghe Jing, Yongxiang Jiang

    Published 2020-01-01
    “…The longer aniso-axial length eyes had greater anterior corneal steep curvature (44.13 ± 1.69 D vs 43.87 ± 1.69 D, P=0.009) and anterior corneal astigmatism (1.12 ± 0.76 D vs 1.02 ± 0.69 D, P=0.023) compared with longer non-aniso-axial length subjects. …”
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  11. 571

    Mid- to long-term clinical outcomes of modified technique skip-level titanium plate fixation in cervical laminoplasty compared to continuous fixation by Shuo Feng, QiRui Zhu, Yang Sun, ZiYao Ding, Zhe Zhuang, Heng-Heng Yu, Ma-Ji Sun, Feng Yuan

    Published 2025-01-01
    “…At 3 months postoperatively and at the last follow-up, the C2-7 Cobb angle and cervical curvature index decreased compared to preoperative values (P < 0.05), with a significant difference in the C2-7 Cobb angle at the last follow-up (P < 0.05). …”
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  12. 572

    Risk factors for ocular biological parameters in Chinese preschool children: a cohort study from the Beijing whole childhood eye study by Xi Qin, Yunyun Sun, Yunyun Sun, Shana Wang, Xiaolan Xie, Lei Gao, Huijian Li, Huijian Li, Ruihua Wei, Jing Fu, Jing Fu, Bidan Zhu

    Published 2025-02-01
    “…Axial length (AL), corneal radius of curvature (CR), and the AL to CR ratio (AL/CR) are potential myopia biomarkers. …”
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  13. 573

    تحلیل و شبیه‌سازی عوامل مؤثر بر وقوع بهمن با استفاده از مدل RAMMS مطالعه موردی: جاده ولایت رود البرز مرکزی، استان البرز... by مجید کاظم زاده, زهرا نوری, محمد جهان تیغ

    Published 2024-09-01
    “…شاخص‌های توپوگرافی و ژئومورفولوژیکی ازجمله شیب، جهت، انحنای دامنه (Curvature)، شاخص موقعیت توپوگرافی (TPI)، شاخص ناهمواری زمین (TRI) و شاخص رطوبت توپوگرافی (TWI) با استفاده از مدل رقومی ارتفاع (DEM) با اندازه پیکسل 6 × 6  سانتی‌متر مربع با کمک پهباد تهیه شد. …”
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  14. 574

    Biharmonic curves along Riemannian submersions by Gizem Köprülü Karakaş, Bayram Şahin

    Published 2024-01-01
    “…We obtain several results with certain restrictions on curvatures. We then consider a Riemannian submersion from a Kaehler manifold onto a Riemannian manifold. …”
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  15. 575

    On Pseudohyperbolical Smarandache Curves in Minkowski 3-Space by Esra Betul Koc Ozturk, Ufuk Ozturk, Kazim İlarslan, Emilija Nešović

    Published 2013-01-01
    “…We obtain the geodesic curvatures and the expression for the Sabban frame vectors of special pseudohyperbolic Smarandache curves. …”
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  16. 576

    Peyronie’s Disease: Still a Surgical Disease by Daniel Martinez, Cesar E. Ercole, Tariq S. Hakky, Andrew Kramer, Rafael Carrion

    Published 2012-01-01
    “…Clinical manifestations include morphologic changes, such as curvatures and hourglass deformities. Here, we review the common surgical techniques for the management of patients with PD.…”
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  17. 577

    Kodama-Schwarzschild versus Gaussian Normal Coordinates Picture of Thin Shells by Mikhail Z. Iofa

    Published 2016-01-01
    “…In the general case of time-dependent metrics we calculate extrinsic curvatures of the shell in both coordinate systems and show that the results are identical. …”
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  18. 578

    Combined Effect of a Locking Plate and Teriparatide for Incomplete Atypical Femoral Fracture: Two Case Reports of Curved Femurs by Hiroyuki Tsuchie, Naohisa Miyakoshi, Tomio Nishi, Hidekazu Abe, Toyohito Segawa, Yoichi Shimada

    Published 2015-01-01
    “…We report two incomplete bisphosphonate-related AFF patients with marked femoral curvatures treated by locking plates and teriparatide, showing early bone unions and favorable long-term outcomes.…”
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  19. 579

    Ricci–Bourguignon Almost Solitons with Vertical Torse-Forming Potential on Almost Contact Complex Riemannian Manifolds by Mancho Manev

    Published 2025-01-01
    “…The forms of the Ricci tensor and the scalar curvatures generated by the pair of B-metrics on the studied manifolds with the additional structures have been found. …”
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  20. 580

    Geometry of Hamiltonian Dynamics with Conformal Eisenhart Metric by Linyu Peng, Huafei Sun, Xiao Sun

    Published 2011-01-01
    “…At last the conformal curvatures, the geodesic equations, the Jacobi equations, and the equations for the flow of the famous models, an N degrees of freedom linear Hamiltonian system and the Hénon-Heiles model are given, and in a special case, numerical solutions of the conformal geodesics, the generalized momenta, and the Jacobi field along the geodesics of the Hénon-Heiles model are obtained. …”
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