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Partial least squares regression (PLSR) has been a popular technique to explore the linear relationship between two datasets. However, most of algorithm implementations of PLSR may only achieve a suboptimal solution through an optimization…

计算机视觉与模式识别 · 计算机科学 2016-09-22 Haoran Chen , Yanfeng Sun , Junbin Gao , Yongli Hu , Baocai Yin

LSMR is a widely recognized method for solving least squares problems via the double QR decomposition. Various preconditioning techniques have been explored to improve its efficiency. One issue that arises when implementing these…

数值分析 · 数学 2024-08-30 Mei Yang , Gul Karaduman , Ren-Cang Li

Reversible contrast mapping (RCM) is a simple integer transform that applies to pairs of pixels. For some pairs of pixels, RCM is invertible, even if the least significant bits (LSBs) of the transformed pixels are lost. The data space…

多媒体 · 计算机科学 2009-11-13 Dinu Coltuc , Jean-Marc Chassery

We present a method to capture both 3D shape and spatially varying reflectance with a multi-view photometric stereo (MVPS) technique that works for general isotropic materials. Our algorithm is suitable for perspective cameras and nearby…

计算机视觉与模式识别 · 计算机科学 2020-01-22 Min Li , Zhenglong Zhou , Zhe Wu , Boxin Shi , Changyu Diao , Ping Tan

This paper presents subspace of information forgetting recursive least squares (SIFt-RLS), a directional forgetting algorithm which, at each step, forgets only in row space of the regressor matrix, or the \textit{information subspace}. As a…

信号处理 · 电气工程与系统科学 2024-04-18 Brian Lai , Dennis S. Bernstein

Multidimensional Scaling (MDS) is one of the most popular methods for dimensionality reduction and visualization of high dimensional data. Apart from these tasks, it also found applications in the field of geometry processing for the…

计算几何 · 计算机科学 2017-09-12 Amit Boyarski , Alex M. Bronstein , Michael M. Bronstein

We propose a method for reconstruction of the density matrix from measurable time-dependent (probability) distributions of physical quantities. The applicability of the method based on least-squares inversion is - compared with other…

量子物理 · 物理学 2016-09-08 T. Opatrny , D. -G. Welsch , W. Vogel

The three-dimensional Time-Resolved Lagrangian Particle Tracking (3D TR-LPT) technique has recently advanced flow diagnostics by providing high spatiotemporal resolution measurements under the Lagrangian framework. To fully exploit its…

流体动力学 · 物理学 2023-08-21 Lanyu Li , Zhao Pan

We introduce a generative smoothness regularization on manifolds (SToRM) model for the recovery of dynamic image data from highly undersampled measurements. The model assumes that the images in the dataset are non-linear mappings of…

图像与视频处理 · 电气工程与系统科学 2021-03-12 Qing Zou , Abdul Haseeb Ahmed , Prashant Nagpal , Stanley Kruger , Mathews Jacob

Predicting a landslide susceptibility map (LSM) is essential for risk recognition and disaster prevention. Despite the successful application of data-driven approaches for LSM prediction, most methods generally apply a single global model…

机器学习 · 计算机科学 2023-08-24 Li Chen , Yulin Ding , Saeid Pirasteh , Han Hu , Qing Zhu , Haowei Zeng , Haojia Yu , Qisen Shang , Yongfei Song

In this paper, we propose a subspace representation learning (SRL) framework to tackle few-shot image classification tasks. It exploits a subspace in local CNN feature space to represent an image, and measures the similarity between two…

计算机视觉与模式识别 · 计算机科学 2021-05-06 Ting-Yao Hu , Zhi-Qi Cheng , Alexander G. Hauptmann

It is widely agreed that reference-based super-resolution (RefSR) achieves superior results by referring to similar high quality images, compared to single image super-resolution (SISR). Intuitively, the more references, the better…

计算机视觉与模式识别 · 计算机科学 2023-03-10 Lin Zhang , Xin Li , Dongliang He , Errui Ding , Zhaoxiang Zhang

In the last ten years, full-waveform inversion has emerged as a robust and efficient high-resolution velocity model-building tool for seismic imaging, with the unique ability to recover complex subsurface structures. Originally based on a…

地球物理 · 物理学 2021-06-17 Jérémie Messud , Raphaël Poncet , Gilles Lambaré

Few-shot medical image segmentation (FSMIS) aims to perform the limited annotated data learning in the medical image analysis scope. Despite the progress has been achieved, current FSMIS models are all trained and deployed on the same data…

计算机视觉与模式识别 · 计算机科学 2025-03-26 Yazhou Zhu , Minxian Li , Qiaolin Ye , Shidong Wang , Tong Xin , Haofeng Zhang

Spatial-Spectral Total Variation (SSTV) can quantify local smoothness of image structures, so it is widely used in hyperspectral image (HSI) processing tasks. Essentially, SSTV assumes a sparse structure of gradient maps calculated along…

计算机视觉与模式识别 · 计算机科学 2022-04-28 Haijin Zeng , Shaoguang Huang , Yongyong Chen , Hiep Luong , Wilfried Philips

We formulate and solve a generalized inverse Navier-Stokes problem for the joint velocity field reconstruction and boundary segmentation of noisy flow velocity images. To regularize the problem we use a Bayesian framework with Gaussian…

流体动力学 · 物理学 2022-07-05 Alexandros Kontogiannis , Scott V. Elgersma , Andrew J. Sederman , Matthew P. Juniper

Self-supervised learning (SSL) has emerged as a crucial technique in image processing, encoding, and understanding, especially for developing today's vision foundation models that utilize large-scale datasets without annotations to enhance…

计算机视觉与模式识别 · 计算机科学 2025-01-08 Chuang Niu , Wenjun Xia , Hongming Shan , Ge Wang

Many interesting tasks in image restoration can be cast as linear inverse problems. A recent family of approaches for solving these problems uses stochastic algorithms that sample from the posterior distribution of natural images given the…

图像与视频处理 · 电气工程与系统科学 2022-10-14 Bahjat Kawar , Michael Elad , Stefano Ermon , Jiaming Song

Domain generalization asks for models trained over a set of training environments to generalize well in unseen test environments. Recently, a series of algorithms such as Invariant Risk Minimization (IRM) have been proposed for domain…

机器学习 · 计算机科学 2023-11-03 Haoxiang Wang , Gargi Balasubramaniam , Haozhe Si , Bo Li , Han Zhao

Online video super-resolution (VSR) is an important technique for many real-world video processing applications, which aims to restore the current high-resolution video frame based on temporally previous frames. Most of the existing online…

计算机视觉与模式识别 · 计算机科学 2026-02-25 Qiang Zhu , Xiandong Meng , Yuxian Jiang , Fan Zhang , David Bull , Shuyuan Zhu , Bing Zeng , Ronggang Wang