中文
相关论文

相关论文: PHODCOS: Pythagorean Hodograph-based Differentiabl…

200 篇论文

Research in manipulation of deformable objects is typically conducted on a limited range of scenarios, because handling each scenario on hardware takes significant effort. Realistic simulators with support for various types of deformations…

机器人学 · 计算机科学 2025-05-15 Priya Sundaresan , Rika Antonova , Jeannette Bohg

Topological correctness plays a critical role in many image segmentation tasks, yet most networks are trained using pixel-wise loss functions, such as Dice, neglecting topological accuracy. Existing topology-aware methods often lack robust…

计算机视觉与模式识别 · 计算机科学 2025-04-21 Laurin Lux , Alexander H. Berger , Alexander Weers , Nico Stucki , Daniel Rueckert , Ulrich Bauer , Johannes C. Paetzold

Constrained second-order convex optimization algorithms are the method of choice when a high accuracy solution to a problem is needed, due to their local quadratic convergence. These algorithms require the solution of a constrained…

最优化与控制 · 数学 2025-06-13 Alejandro Carderera , Sebastian Pokutta

The mutual orbital alignment in multiple planetary systems is an important parameter for understanding their formation. There are a number of elaborate techniques to determine the alignment parameters using photometric or spectroscopic…

地球与行星天体物理 · 物理学 2021-12-29 Holger M. Müller , Panagiotis Ioannidis , Jürgen H. M. M. Schmitt

Learning to estimate 3D geometry in a single frame and optical flow from consecutive frames by watching unlabeled videos via deep convolutional network has made significant progress recently. Current state-of-the-art (SoTA) methods treat…

计算机视觉与模式识别 · 计算机科学 2019-07-12 Chenxu Luo , Zhenheng Yang , Peng Wang , Yang Wang , Wei Xu , Ram Nevatia , Alan Yuille

We present efficient algorithms for detecting central and mirror symmetry for the case of algebraic curves defined by means of polynomial parametrizations. The algorithms are based on the existence of a linear relationship between two…

代数几何 · 数学 2012-12-27 Juan G. Alcazar

We introduce a new algorithm for the calculation of multidimensional optical depths in approximate radiative transport schemes, equally applicable to neutrinos and photons. Motivated by (but not limited to) neutrino transport in…

高能天体物理现象 · 物理学 2014-09-05 A. Perego , E. Gafton , R. Cabezon , S. Rosswog , M. Liebendoerfer

Exoplanet detections and characterizations via direct imaging require high contrast and high angular resolution. These requirements typically require (i) cutting-edge instrumental facilities, (ii) optimized differential imaging to introduce…

天体物理仪器与方法 · 物理学 2023-11-01 Jules Dallant , Maud Langlois , Olivier Flasseur , Éric Thiébaut

In this paper, we resolve an open question in the field of optimization algorithms for training parametrized quantum circuits: Does the popular Rotosolve algorithm converge? Until now, interpolation-based coordinate descent methods such as…

量子物理 · 物理学 2026-04-29 Sayantan Pramanik , M Girish Chandra

Regular object detection methods output rectangle bounding boxes, which are unable to accurately describe the actual object shapes. Instance segmentation methods output pixel-level labels, which are computationally expensive for real-time…

计算机视觉与模式识别 · 计算机科学 2023-04-06 Yang Zheng , Oles Andrienko , Yonglei Zhao , Minwoo Park , Trung Pham

Let $\mathcal C$ be a real plane algebraic curve defined by the resultant of two polynomials (resp. by the discriminant of a polynomial). Geometrically such a curve is the projection of the intersection of the surfaces $P(x,y,z)=Q(x,y,z)=0$…

计算几何 · 计算机科学 2015-05-26 Rémi Imbach , Guillaume Moroz , Marc Pouget

Four-dimensional (4D) radar--visual odometry (4DRVO) integrates complementary information from 4D radar and cameras, making it an attractive solution for achieving accurate and robust pose estimation. However, 4DRVO may exhibit significant…

计算机视觉与模式识别 · 计算机科学 2023-08-15 Guirong Zhuo , Shouyi Lu , Huanyu Zhou , Lianqing Zheng , Lu Xiong

Imagine a swarm of terrestrial robots that can explore an environment, and, upon completion of this task, reconfigure into a spherical ball and roll out. This dimensional change alters the dynamics of locomotion and can assist them to…

机器人学 · 计算机科学 2024-02-06 Caitlin Freeman , Michael Maynard , Vishesh Vikas

This paper introduces the Trochoid Search Optimization Algorithm (TSO), a novel metaheuristic leveraging the mathematical properties of trochoid curves. The TSO algorithm employs a unique combination of simultaneous translational and…

神经与进化计算 · 计算机科学 2024-05-21 Abdesslem Layeb

This monograph presents the design, implementation, and evaluation of Pyroclast, a modular high-performance Python framework for large-scale geodynamic simulations. Pyroclast addresses limitations of legacy geodynamics solvers, often…

数学软件 · 计算机科学 2026-03-17 Marcel Ferrari

A new, second-order solution in curvilinear coordinates is introduced for the relative motion of two spacecraft on eccentric orbits. The second-order equations for unperturbed orbits are derived in spherical coordinates with true anomaly as…

动力系统 · 数学 2019-09-06 Matthew Willis , Kyle T. Alfriend , Simone D'Amico

We present a novel algorithm for deciding whether a given planar curve is an image of a given spatial curve, obtained by a central or a parallel projection with unknown parameters. The motivation comes from the problem of establishing a…

代数几何 · 数学 2019-03-12 Joseph M. Burdis , Irina A. Kogan , Hoon Hong

The paper proposes a novel calibration approach for the Orthoglide-type mechanisms based on observations of the manipulator leg parallelism during mo-tions between the prespecified test postures. It employs a low-cost measuring system…

机器人学 · 计算机科学 2007-11-13 Anatoly Pashkevich , Damien Chablat , Philippe Wenger

Periodic orbits are among the simplest non-equilibrium solutions to dynamical systems, and they play a significant role in our modern understanding of the rich structures observed in many systems. For example, it is known that embedded…

动力系统 · 数学 2021-03-18 Jason J. Bramburger , J. Nathan Kutz , Steven L. Brunton

The paper proposes a novel calibration approach for the Orthoglide-type mechanisms based on observations of the manipulator leg parallelism during motions between the prespecified test postures. It employs a low-cost measuring system…

机器人学 · 计算机科学 2007-05-23 Anatoly Pashkevich , Damien Chablat , Philippe Wenger