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相关论文: A comparative study of data- and image- domain LSR…

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Single-image super-resolution (SR) and multi-frame SR are two ways to super resolve low-resolution images. Single-Image SR generally handles each image independently, but ignores the temporal information implied in continuing frames.…

计算机视觉与模式识别 · 计算机科学 2021-10-20 Wenjia Niu , Kaihao Zhang , Wenhan Luo , Yiran Zhong

This work proposes a windowed least-squares (WLS) approach for model-reduction of dynamical systems. The proposed approach sequentially minimizes the time-continuous full-order-model residual within a low-dimensional space-time trial…

数值分析 · 数学 2019-10-28 Eric J. Parish , Kevin T. Carlberg

Consider the inverse scattering of time-harmonic acoustic scattering by an infinite rough surface which is supposed to be a local perturbation of a plane. A novel version of reverse time migration (RTM) is proposed to reconstruct the shape…

偏微分方程分析 · 数学 2023-10-24 Jianliang Li , Hao Wu , Jiaqing Yang

This paper studies the subspace segmentation problem which aims to segment data drawn from a union of multiple linear subspaces. Recent works by using sparse representation, low rank representation and their extensions attract much…

计算机视觉与模式识别 · 计算机科学 2014-04-29 Can-Yi Lu , Hai Min , Zhong-Qiu Zhao , Lin Zhu , De-Shuang Huang , Shuicheng Yan

A projection-based formulation is presented for non-linear model reduction of problems with extreme scale disparity. The approach allows for the selection of an arbitrary, but complete, set of solution variables while preserving the…

计算物理 · 物理学 2021-10-04 Cheng Huang , Christopher R. Wentland , Karthik Duraisamy , Charles Merkle

The fusion of hyperspectral image (HSI) with multispectral image (MSI) provides an effective way to enhance the spatial resolution of HSI. However, due to different acquisition conditions, there may exist spectral variability and spatially…

计算机视觉与模式识别 · 计算机科学 2025-11-20 Yue Wen , Kunjing Yang , Minru Bai

Deep learning techniques have been used to build velocity models (VMs) for seismic traveltime tomography and have shown encouraging performance in recent years. However, they need to generate labeled samples (i.e., pairs of input and label)…

地球物理 · 物理学 2024-04-16 Feng Wang , Bo Yang , Renfang Wang , Hong Qiu

Scene Dynamic Recovery (SDR) by inverting distorted Rolling Shutter (RS) images to an undistorted high frame-rate Global Shutter (GS) video is a severely ill-posed problem due to the missing temporal dynamic information in both RS…

计算机视觉与模式识别 · 计算机科学 2023-04-20 Yangguang Wang , Xiang Zhang , Mingyuan Lin , Lei Yu , Boxin Shi , Wen Yang , Gui-Song Xia

We present MMLSv2, a dataset for landslide segmentation on Martian surfaces. MMLSv2 consists of multimodal imagery with seven bands: RGB, digital elevation model, slope, thermal inertia, and grayscale channels. MMLSv2 comprises 664 images…

计算机视觉与模式识别 · 计算机科学 2026-02-10 Sidike Paheding , Abel Reyes-Angulo , Leo Thomas Ramos , Angel D. Sappa , Rajaneesh A. , Hiral P. B. , Sajin Kumar K. S. , Thomas Oommen

Recently, reference-based image super-resolution (RefSR) has shown excellent performance in image super-resolution (SR) tasks. The main idea of RefSR is to utilize additional information from the reference (Ref) image to recover the…

计算机视觉与模式识别 · 计算机科学 2024-01-30 Jeongho Min , Yejun Lee , Dongyoung Kim , Jaejun Yoo

We propose a scene-level inverse rendering framework that uses multi-view images to decompose the scene into geometry, a SVBRDF, and 3D spatially-varying lighting. Because multi-view images provide a variety of information about the scene,…

计算机视觉与模式识别 · 计算机科学 2023-03-28 JunYong Choi , SeokYeong Lee , Haesol Park , Seung-Won Jung , Ig-Jae Kim , Junghyun Cho

We present Lift and Relax for Waveform Inversion (LRWI), an approach that mitigates the local minima issue in seismic full waveform inversion (FWI) via a combination of two convexification techniques. The first technique (Lift) extends the…

最优化与控制 · 数学 2021-09-08 Zhilong Fang , Laurent Demanet

Incoherent k-space undersampling and deep learning-based reconstruction methods have shown great success in accelerating MRI. However, the performance of most previous methods will degrade dramatically under high acceleration factors, e.g.,…

图像与视频处理 · 电气工程与系统科学 2026-01-21 Jin Liu , Qing Lin , Zhuang Xiong , Shanshan Shan , Chunyi Liu , Min Li , Feng Liu , G. Bruce Pike , Hongfu Sun , Yang Gao

Multi-revolution low-thrust trajectory optimization problems are important and challenging in space mission design. In this paper, an efficient, accurate, and widely applicable pseudospectral method is proposed to solve multi-revolution…

系统与控制 · 电气工程与系统科学 2025-07-03 Yilin Zou , Fanghua Jiang

In this paper, we address the problem of predicting a response variable in the context of both, spatially correlated and high-dimensional data. To reduce the dimensionality of the predictor variables, we apply the sufficient dimension…

统计方法学 · 统计学 2025-02-06 Liliana Forzani , Rodrigo García Arancibia , Antonella Gieco , Pamela Llop , Anne Yao

Although the sparse multinomial logistic regression (SMLR) has provided a useful tool for sparse classification, it suffers from inefficacy in dealing with high dimensional features and manually set initial regressor values. This has…

计算机视觉与模式识别 · 计算机科学 2017-12-05 Faxian Cao , Zhijing Yang , Jinchang Ren , Wing-Kuen Ling

The drastic variation of motion in spatial and temporal dimensions makes the video prediction task extremely challenging. Existing RNN models obtain higher performance by deepening or widening the model. They obtain the multi-scale features…

计算机视觉与模式识别 · 计算机科学 2024-02-19 Zhifeng Ma , Hao Zhang , Jie Liu

Cross-modal retrieval (CMR) has been extensively applied in various domains, such as multimedia search engines and recommendation systems. Most existing CMR methods focus on image-to-text retrieval, whereas audio-to-text retrieval, a less…

声音 · 计算机科学 2023-09-19 Kaiyi Luo , Xulong Zhang , Jianzong Wang , Huaxiong Li , Ning Cheng , Jing Xiao

We present a new state-of-the-art on the text to video retrieval task on MSRVTT and LSMDC benchmarks where our model outperforms all previous solutions by a large margin. Moreover, state-of-the-art results are achieved with a single model…

计算机视觉与模式识别 · 计算机科学 2021-11-09 Maksim Dzabraev , Maksim Kalashnikov , Stepan Komkov , Aleksandr Petiushko

A light field image captures scenes through its micro-lens array, providing a rich representation that encompasses spatial and angular information. While this richness comes at significant data redundancy, most existing methods tend to…

图像与视频处理 · 电气工程与系统科学 2026-02-19 Zeke Zexi Hu , Haodong Chen , Hui Ye , Xiaoming Chen , Vera Yuk Ying Chung , Yiran Shen , Weidong Cai