Search Results - "Spherical geometry"

A Single-Transformation Model for Fisheye Image Orthorectification.

Authors: Wang, Qingyang Zhou, Guoqing Yue, Tao et al.

Source: Remote Sensing. May2026, Vol. 18 Issue 10, p1651. 28p.

Subjects: Spherical geometry, Spherical projection, Digital elevation models

Decorated Discrete Conformal Equivalence in Non-Euclidean Geometries.

Authors: Bobenko, Alexander I. Lutz, Carl O. R.

Source: Discrete & Computational Geometry; Jul2026, Vol. 76 Issue 1, p416-465, 50p

Geometry and Constants in Finite Ring Continuum.

Authors: Akhtman, Yosef^1,2 (AUTHOR)

Source: Symmetry (20738994). May2026, Vol. 18 Issue 5, p751. 22p.

Assessing Earth's sphericity effects in the specific case of geostationary satellite observations: focus on operational land/aerosol applications from Meteosat Third Generation-Imager.

Authors: Klein, Gloria Ceamanos, Xavier Vidot, Jérôme et al.

Source: Atmospheric Measurement Techniques. 2026, Vol. 19 Issue 8, p2787-2816. 30p.

Discrete Quantization on Spherical Geometries: Explicit Models, Computations, and Didactic Exposition.

Authors: Roychowdhury, Mrinal Kanti¹ (AUTHOR)

Source: Mathematics (2227-7390). Mar2026, Vol. 14 Issue 5, p750. 34p.

Optimal Quantization on Spherical Surfaces: Continuous and Discrete Models—A Beginner-Friendly Expository Study.

Authors: Roychowdhury, Mrinal Kanti¹ (AUTHOR)

Source: Mathematics (2227-7390). Jan2026, Vol. 14 Issue 1, p63. 22p.

Comparison of Point Measurement Strategies and Mathematical Algorithms for Evaluation in Contact Measurement of a Spherical Surface on a CMM.

Authors: Buša, Ján Dovica, Miroslav Tóth, Teodor

Source: Applied Sciences (2076-3417); Dec2025, Vol. 15 Issue 23, p12392, 22p

Parametric 5-Axis CNC interpolation for spiral thread machining on spherical geometries.

Authors: Omirou, Sotiris Charalambides, Marios Demosthenous, George

Source: International Journal of Advanced Manufacturing Technology. May2026, Vol. 144 Issue 3/4, p2887-2902. 16p.

Subjects: Spherical geometry, Machining, Mechanical engineering, CAD/CAM systems, Interpolation, Manufacturing processes, Trajectories (Mechanics)

Analytical inverse kinematics solution and global arm angle optimization method for 7-DOF redundant robotic arms without offset.

Authors: Zhang, Miao Mei, Songyang He, Hao et al.

Source: ISA Transactions. Jun2026, Vol. 173, p425-436. 12p.

Subjects: Kinematics, Spherical geometry, Constraints (Physics), Robotic trajectory control, Industrial robots, Risk assessment

Superpixel-driven 360∘ image compression.

Authors: Binkowski, Bruno B. Segala, Enzo L. T. da Silveira, Thiago

Source: Multimedia Tools & Applications; Oct2025, Vol. 84 Issue 34, p43351-43368, 18p

A calibration method for paracatadioptric cameras based on circular sections.

Authors: Yang, Ruiqi Zhang, Junhua

Source: Multimedia Tools & Applications; Oct2025, Vol. 84 Issue 33, p41971-41989, 19p

On the Number of Spherical Circles Needed to Cover a Spherical Convex Domain.

Authors: Atia, Elad Cohen, Reuven Gul, Shai

Source: Mathematics (2227-7390). Aug2025, Vol. 13 Issue 15, p2348. 13p.

Geometric accuracy of models made using rapid prototyping methods. Part II. Spherical and angular elements.

Alternate Title: Dokładność odwzorowania geometrii modeli wykonanych z zastosowaniem procesów przyrostowych. Część II. Elementy sferyczne i kątowe.

Authors: Gontarz-Kulisiewicz, Małgorzata Budzik, Grzegorz Przeszłowski, Łukasz et al.

Source: Polimery. 2026, Vol. 71 Issue 6, p407-422. 16p.

Modified Spherical Geometry Algorithm for Spaceborne SAR Data Processing in Sliding Spotlight Mode.

Authors: Fan, Jixia Tao, Manyi Mao, Xinhua

Source: Remote Sensing. Jun2025, Vol. 17 Issue 11, p1930. 16p.

Subjects: Spherical geometry, Synthetic aperture radar, Rotation of the earth, Electronic data processing, Signal sampling, Sliding mode control, Ambiguity

Euclidean, Hyperbolic, and Spherical Networks: An Empirical Study of Matching Network Structure to Best Visualizations.

Authors: Miller, Jacob Bhatia, Dhruv Purchase, Helen et al.

Source: Computer Graphics Forum. Jun2025, Vol. 44 Issue 3, p1-12. 12p.

Subjects: Euclidean geometry, Spherical geometry, Task performance, Cognitive processing speed, Human research subjects, Hyperbolic functions, Space perception, Graph connectivity

Neural Geometry Processing via Spherical Neural Surfaces.

Authors: Williamson, Romy Mitra, Niloy J.

Source: Computer Graphics Forum. May2025, Vol. 44 Issue 2, p1-14. 14p.

Subjects: Computational geometry, Spherical geometry, Geometric shapes, Directional derivatives, Geometric analysis, Spectral theory

Benchmark-Quality Results for Transport Problems Involving a Void Region in Spherical Geometry.

Authors: Garcia, R. D. M.¹ (AUTHOR) martinezgarcia.rob@gmail.com

Source: Nuclear Science & Engineering. Apr2026, Vol. 200 Issue 4, p753-765. 13p.

Subject Terms: *Spherical geometry, *Spherical harmonics, *Transport equation, *Discretization methods, *Numerical analysis

Fast and Accurate Intersections on a Sphere.

Authors: Chen, Hongyu Ullrich, Paul A. Panetta, Julian

Source: SIAM Journal on Scientific Computing. 2026, Vol. 48 Issue 2, pB208-B232. 25p.

Subjects: Spherical geometry, Algorithms, Geospatial data, Geodesics, Parallel programming, Numerical analysis

Flat bands on a spherical surface from Landau levels to giant-quantum-number orbitals.

Authors: Jiang, Chen-Xin Hu, Zi-Xiang Yang, Bo

Source: Communications Physics. 7/28/2025, Vol. 8 Issue 1, p1-8. 8p.

Discrete Laplacians — Spherical and hyperbolic.

Authors: Izmestiev, Ivan Lam, Wai Yeung

Source: Journal of the London Mathematical Society. Jul2025, Vol. 112 Issue 1, p1-31. 31p.