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We propose a perceptual chromatic adaptation transform for white balance that makes use of split-quaternions. The novelty of the present work, which is motivated by a recently developed quantum-like model of color perception, consists at…

图像与视频处理 · 电气工程与系统科学 2025-04-23 Michel Berthier , Nicoletta Prencipe , Edoardo Provenzi

A well-known method for completing low-rank matrices based on convex optimization has been established by Cand{\`e}s and Recht. Although theoretically complete, the method may not entirely solve the low-rank matrix completion problem. This…

统计方法学 · 统计学 2014-07-17 Guangcan Liu , Ping Li

We demonstrate a method that merges the quantum filter diagonalization (QFD) approach for hybrid quantum/classical solution of the time-independent electronic Schr\"odinger equation with a low-rank double factorization (DF) approach for the…

量子物理 · 物理学 2022-03-21 Jeffrey Cohn , Mario Motta , Robert M. Parrish

This paper introduces Quaternion Approximate Networks (QUAN), a novel deep learning framework that leverages quaternion algebra for rotation equivariant image classification and object detection. Unlike conventional quaternion neural…

计算机视觉与模式识别 · 计算机科学 2026-01-13 Bryce Grant , Peng Wang

A general representation of the quaternion gradients presented in the literature is proposed, and an universal update equation for QLMS-like algorithms is obtained. The general update law is used to study the convergence of widely linear…

最优化与控制 · 数学 2014-10-13 Fernando G. Almeida Neto , Vítor H. Nascimento

Recent approaches to the tensor completion problem have often overlooked the nonnegative structure of the data. We consider the problem of learning a nonnegative low-rank tensor, and using duality theory, we propose a novel factorization of…

计算机视觉与模式识别 · 计算机科学 2023-05-16 Tanmay Kumar Sinha , Jayadev Naram , Pawan Kumar

A quantum Boolean image processing methodology is presented in this work, with special emphasis in image denoising. A new approach for internal image representation is outlined together with two new interfaces: classical-to-quantum and…

量子物理 · 物理学 2014-08-12 Mario Mastriani

This study aims to introduce the FRQI Pairs method to a wider audience, a novel approach to image classification using Quantum Recurrent Neural Networks (QRNN) with Flexible Representation for Quantum Images (FRQI). The study highlights an…

In this paper, we present an interpolation scheme for FRQI images based on bilinear interpolation. To accomplish this, we formulated several quantum modules, i.e., assignment module, increment module, and quarter module, and suffused them…

量子物理 · 物理学 2020-10-21 Fei Yan , Shan Zhao , Salvador E. Venegas-Andraca

The main aim of this paper is to study quaternion phase retrieval (QPR), i.e., the recovery of quaternion signal from the magnitude of quaternion linear measurements. We show that all $d$-dimensional quaternion signals can be reconstructed…

信号处理 · 电气工程与系统科学 2023-07-25 Junren Chen , Michael K. Ng

In this paper, we present an approach for minimizing the computational complexity of trained Convolutional Neural Networks (ConvNet). The idea is to approximate all elements of a given ConvNet and replace the original convolutional filters…

机器学习 · 计算机科学 2022-08-02 R. J. Cintra , S. Duffner , C. Garcia , A. Leite

In this paper we provide the quantum version of the Convex Non-negative Matrix Factorization algorithm (Convex-NMF) by using the D-wave quantum annealer. More precisely, we use D-wave 2000Q to find the low rank approximation of a fixed…

机器学习 · 统计学 2022-03-30 Ahmed Zaiou , Basarab Matei , Younès Bennani , Mohamed Hibti

We define the reduced biquaternion tensor ring (RBTR) decomposition and provide a detailed exposition of the corresponding algorithm RBTR-SVD. Leveraging RBTR decomposition, we propose a novel low-rank tensor completion algorithm RBTR-TV…

交换代数 · 数学 2025-01-10 Hui Luo , Xin Liu , Wei Liu , Yang Zhang

We develop a new collaborative filtering (CF) method that combines both previously known users' preferences, i.e. standard CF, as well as product/user attributes, i.e. classical function approximation, to predict a given user's interest in…

机器学习 · 计算机科学 2007-05-23 Jacob Abernethy , Francis Bach , Theodoros Evgeniou , Jean-Philippe Vert

Denoising of clinical CT images is an active area for deep learning research. Current clinically approved methods use iterative reconstruction methods to reduce the noise in CT images. Iterative reconstruction techniques require multiple…

图像与视频处理 · 电气工程与系统科学 2020-07-10 Mayank Patwari , Ralf Gutjahr , Rainer Raupach , Andreas Maier

A novel framework for a unifying treatment of quaternion valued adaptive filtering algorithms is introduced. This is achieved based on a rigorous account of quaternion differentiability, the proposed I-gradient, and the use of augmented…

综合数学 · 数学 2013-10-22 Cyrus Jahanchahi , Danilo P. Mandic

Linear optical architectures have been extensively investigated for quantum computing and quantum machine learning applications. Recently, proposals for photonic quantum machine learning have combined linear optics with resource adaptivity,…

This paper proposes a novel matrix rank-one decomposition for quaternion Hermitian matrices, which admits a stronger property than the previous results in (sturm2003cones,huang2007complex,ai2011new). The enhanced property can be used to…

最优化与控制 · 数学 2021-09-14 Chang He , Bo Jiang , Xihua Zhu

Optical computing chips have emerged as a transformative computing technology due to their high computational density, low energy consumption, and compact footprint. While real- and complex-valued computing chips have been well developed,…

光学 · 物理学 2026-01-06 Songyue Liu , Qi Lu , Yuan Zhong , Yuru Li , Meng Xiang , Zhaohui Li , Chao Lu , Yikai Su , Lu Sun

Quantum low-density parity-check (QLDPC) codes are promising candidates for error correction in quantum computers. One of the major challenges in implementing QLDPC codes in quantum computers is the lack of a universal decoder. In this…

量子物理 · 物理学 2025-02-18 Sisi Miao , Alexander Schnerring , Haizheng Li , Laurent Schmalen