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Related papers: Excess of Fusion Frames: A Comprehensive Approach

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In a number of problems in computational physics, a finite sum of kernel functions centered at $N$ particle locations located in a box in three dimensions must be extended by imposing periodic boundary conditions on box boundaries. Even…

Computational Physics · Physics 2015-06-17 Nail A. Gumerov , Ramani Duraiswami

The recently introduced and characterized scalable frames can be considered as those frames which allow for perfect preconditioning in the sense that the frame vectors can be rescaled to yield a tight frame. In this paper we define…

Numerical Analysis · Mathematics 2014-02-04 Gitta Kutyniok , Kasso A. Okoudjou , Friedrich Philipp

Fringe projection profilometry (FPP) is a widely used technique for measuring object surface form and three-dimensional (3D) geometry, capable of delivering high-precision, high-resolution measurements when paired with suitable cameras and…

Optics · Physics 2026-05-19 D. Weston , X. Kong , G. S. D. Gordon , S. Piano

We will give a complete solution to the frame quantum detection problem. We will solve both cases of the problem: the quantum injectivity problem and quantum state estimation problem. We will answer the problem in both the real and complex…

Functional Analysis · Mathematics 2018-04-05 Sara Bothelho-Andrade , Peter G. Casazza , Desai Cheng , Tin T. Tran

The Quantum Fourier Transform offers an interesting way to perform arithmetic operations on a quantum computer. We review existing Quantum Fourier Transform adders and multipliers and propose some modifications that extend their…

Quantum Physics · Physics 2017-05-03 Lidia Ruiz-Perez , Juan Carlos Garcia-Escartin

Two-uniform frames and their use for the coding of vectors are the main subject of this paper. These frames are known to be optimal for handling up to two erasures, in the sense that they minimize the largest possible error when up to two…

Functional Analysis · Mathematics 2007-05-23 Bernhard G. Bodmann , Vern I. Paulsen

Quantum metrology derives its capabilities from the careful employ of quantum resources for carrying out measurements. This advantage, however, relies on refined data postprocessing, assessed based on the variance of the estimated…

We present ConFusion, an open-source package for online sensor fusion for robotic applications. ConFusion is a modular framework for fusing measurements from many heterogeneous sensors within a moving horizon estimator. ConFusion offers…

Robotics · Computer Science 2019-03-04 Timothy Sandy , Lukas Stadelmann , Simon Kerscher , Jonas Buchli

Motivated by problems in contact mechanics, we propose a duality approach for computing approximations and associated a posteriori error bounds to solutions of variational inequalities of the first kind. The proposed approach improves upon…

Numerical Analysis · Mathematics 2014-10-09 Zhenying Zhang , Eduard Bader , Karen Veroy

Quantum incompatibility, referred as the phenomenon that some quantum measurements cannot be performed simultaneously, is necessary for various quantum information processing tasks, such as nonlocality and steering. When these applications…

Quantum Physics · Physics 2024-11-19 Xiaolin Zhang , Rui Qu , Zehong Chang , Yunlong Wang , Zhenyu Guo , Min An , Hong Gao , Fuli Li , Pei Zhang

Multi-model fitting (MMF) presents a significant challenge in Computer Vision, particularly due to its combinatorial nature. While recent advancements in quantum computing offer promise for addressing NP-hard problems, existing…

Computer Vision and Pattern Recognition · Computer Science 2025-04-21 Saurabh Pandey , Luca Magri , Federica Arrigoni , Vladislav Golyanik

Applications of diffusion models for visual tasks have been quite noteworthy. This paper targets making classification models more robust to occlusions for the task of object recognition by proposing a pipeline that utilizes a frozen…

Computer Vision and Pattern Recognition · Computer Science 2025-04-14 Rupayan Mallick , Sibo Dong , Nataniel Ruiz , Sarah Adel Bargal

A posteriori error estimates are an important tool to bound discretization errors in terms of computable quantities avoiding regularity conditions that are often difficult to establish. For non-linear and non-differentiable problems,…

Numerical Analysis · Mathematics 2024-06-12 Sören Bartels , Alex Kaltenbach

In this article we establish error bound for linear complementarity problem with $P$-matrix using plus function. We introduce a fundamental quantity associated with a $P$-matrix and show how this quantity is useful in deriving error bounds…

Optimization and Control · Mathematics 2022-09-02 Bharat Kumar , Deepmala , A. Dutta , A. K. Das

The construction of optimal line packings in real or complex Euclidean spaces has shown to be a tantalizingly difficult task, because it includes the problem of finding maximal sets of equiangular lines. In the regime where equiangular…

Functional Analysis · Mathematics 2016-07-18 Bernhard G. Bodmann , John I. Haas

A short note to propose a procedure to construct excess maps, probability maps and to calculate point source flux upper limits.

Astrophysics · Physics 2007-05-23 P. Billoir , A. Letessier-Selvon

In a general setting, we study a posteriori estimates used in finite element analysis to measure the error between a solution and its approximation. The latter is not necessarily generated by a finite element method. We show that the error…

Numerical Analysis · Mathematics 2025-07-09 Thomas Führer , Sergio Rojas

Estimating dense 2D optical flow and 3D scene flow is essential for dynamic scene understanding. Recent work combines images, LiDAR, and event data to jointly predict 2D and 3D motion, yet most approaches operate in separate heterogeneous…

Computer Vision and Pattern Recognition · Computer Science 2026-03-18 Ruishan Guo , Ciyu Ruan , Haoyang Wang , Zihang Gong , Jingao Xu , Xinlei Chen

We propose an algorithm for the fusion of partial images collected from the visual and infrared cameras such that the visual and infrared images are the real and imaginary parts of a complex function. The proposed image fusion algorithm of…

Image and Video Processing · Electrical Eng. & Systems 2020-05-05 Ya. Ye. Khaustov , D. Ye , Ye. Ryzhov , E. Lychkovskyy , Yu. A. Nastishin

We introduce a class of finite tight frames called prime tight frames and prove some of their elementary properties. In particular, we show that any finite tight frame can be written as a union of prime tight frames. We then characterize…

Functional Analysis · Mathematics 2012-07-31 Jakob Lemvig , Christopher Miller , Kasso A. Okoudjou
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