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Estimating depth from RGB images is a long-standing ill-posed problem, which has been explored for decades by the computer vision, graphics, and machine learning communities. In this article, we provide a comprehensive survey of the recent…

Computer Vision and Pattern Recognition · Computer Science 2019-06-17 Hamid Laga

Pan-sharpening is a fundamental and significant task in the field of remote sensing imagery processing, in which high-resolution spatial details from panchromatic images are employed to enhance the spatial resolution of multi-spectral (MS)…

Computer Vision and Pattern Recognition · Computer Science 2017-12-29 Qiangqiang Yuan , Yancong Wei , Xiangchao Meng , Huanfeng Shen , Liangpei Zhang

Multi-view stereo methods have achieved great success for depth estimation based on the coarse-to-fine depth learning frameworks, however, the existing methods perform poorly in recovering the depth of object boundaries and detail regions.…

Computer Vision and Pattern Recognition · Computer Science 2025-04-01 Haitao Tian , Junyang Li , Chenxing Wang , Helong Jiang

To reconstruct a 3D scene from a set of calibrated views, traditional multi-view stereo techniques rely on two distinct stages: local depth maps computation and global depth maps fusion. Recent studies concentrate on deep neural…

Computer Vision and Pattern Recognition · Computer Science 2021-08-20 Jaesung Choe , Sunghoon Im , Francois Rameau , Minjun Kang , In So Kweon

Several variants of Convolutional Neural Networks (CNN) have been developed for Magnetic Resonance (MR) image reconstruction. Among them, U-Net has shown to be the baseline architecture for MR image reconstruction. However, sub-sampling is…

Image and Video Processing · Electrical Eng. & Systems 2020-01-09 Sriprabha Ramanarayanan , Balamurali Murugesan , Keerthi Ram , Mohanasankar Sivaprakasam

Disparity prediction from stereo images is essential to computer vision applications including autonomous driving, 3D model reconstruction, and object detection. To predict accurate disparity map, we propose a novel deep learning…

Computer Vision and Pattern Recognition · Computer Science 2019-05-01 Zhibo Rao , Mingyi He , Yuchao Dai , Zhidong Zhu , Bo Li , Renjie He

We present a modern solution to the multi-view photometric stereo problem (MVPS). Our work suitably exploits the image formation model in a MVPS experimental setup to recover the dense 3D reconstruction of an object from images. We procure…

Computer Vision and Pattern Recognition · Computer Science 2021-10-13 Berk Kaya , Suryansh Kumar , Francesco Sarno , Vittorio Ferrari , Luc Van Gool

Deep convolutional neural networks (CNNs) have been intensively used for multi-class segmentation of data from different modalities and achieved state-of-the-art performances. However, a common problem when dealing with large, high…

Computer Vision and Pattern Recognition · Computer Science 2018-04-13 Chengjia Wang , Tom MacGillivray , Gillian Macnaught , Guang Yang , David Newby

Learning-based multi-view stereo (MVS) has by far centered around 3D convolution on cost volumes. Due to the high computation and memory consumption of 3D CNN, the resolution of output depth is often considerably limited. Different from…

Computer Vision and Pattern Recognition · Computer Science 2023-07-21 Yifei Shi , Junhua Xi , Dewen Hu , Zhiping Cai , Kai Xu

Multi-View Stereo (MVS) is a core task in 3D computer vision. With the surge of novel deep learning methods, learned MVS has surpassed the accuracy of classical approaches, but still relies on building a memory intensive dense cost volume.…

Computer Vision and Pattern Recognition · Computer Science 2022-06-16 Radu Alexandru Rosu , Sven Behnke

We propose a new approach for large-scale high-dynamic range computational imaging. Deep Neural Networks (DNNs) trained end-to-end can solve linear inverse imaging problems almost instantaneously. While unfolded architectures provide…

Instrumentation and Methods for Astrophysics · Physics 2023-09-28 Amir Aghabiglou , Matthieu Terris , Adrian Jackson , Yves Wiaux

There has recently been great interest in neural rendering methods. Some approaches use 3D geometry reconstructed with Multi-View Stereo (MVS) but cannot recover from the errors of this process, while others directly learn a volumetric…

Computer Vision and Pattern Recognition · Computer Science 2021-09-09 Georgios Kopanas , Julien Philip , Thomas Leimkühler , George Drettakis

Reconstructing 3D shapes from single-view images has been a long-standing research problem. In this paper, we present DISN, a Deep Implicit Surface Network which can generate a high-quality detail-rich 3D mesh from an 2D image by predicting…

Computer Vision and Pattern Recognition · Computer Science 2024-03-27 Qiangeng Xu , Weiyue Wang , Duygu Ceylan , Radomir Mech , Ulrich Neumann

We show that deep convolutional neural networks (CNN) can massively outperform traditional densely-connected neural networks (both deep or shallow) in predicting eigenvalue problems in mechanics. In this sense, we strike out in a new…

Computational Physics · Physics 2018-07-19 David Finol , Yan Lu , Vijay Mahadevan , Ankit Srivastava

Multi-view stereo (MVS) is a crucial task for precise 3D reconstruction. Most recent studies tried to improve the performance of matching cost volume in MVS by designing aggregated 3D cost volumes and their regularization. This paper…

Computer Vision and Pattern Recognition · Computer Science 2022-03-11 Khang Truong Giang , Soohwan Song , Sungho Jo

In recent years, diverging-wave (DW) ultrasound imaging has become a very promising methodology for cardiovascular imaging due to its high temporal resolution. However, if they are limited in number, DW transmits provide lower image quality…

Image and Video Processing · Electrical Eng. & Systems 2020-03-25 Jingfeng Lu , Fabien Millioz , Damien Garcia , Sebastien Salles , Wanyu Liu , Denis Friboulet

Deep neural networks (DNNs) are state-of-the-art techniques for solving most computer vision problems. DNNs require billions of parameters and operations to achieve state-of-the-art results. This requirement makes DNNs extremely compute,…

Computer Vision and Pattern Recognition · Computer Science 2023-08-08 Ishmeet Kaur , Adwaita Janardhan Jadhav

Convolutional neural networks have been proven effective in a variety of image restoration tasks. Most state-of-the-art solutions, however, are trained using images with a single particular degradation level, and their performance…

Computer Vision and Pattern Recognition · Computer Science 2021-01-12 Yiwen Guo , Ming Lu , Wangmeng Zuo , Changshui Zhang , Yurong Chen

Multi-view Stereo (MVS) with known camera parameters is essentially a 1D search problem within a valid depth range. Recent deep learning-based MVS methods typically densely sample depth hypotheses in the depth range, and then construct…

Computer Vision and Pattern Recognition · Computer Science 2021-12-07 Zhenxing Mi , Di Chang , Dan Xu

Multimode fibers (MMFs) have the potential to carry complex images for endoscopy and related applications, but decoding the complex speckle patterns produced by mode-mixing and modal dispersion in MMFs is a serious challenge. Several groups…

Image and Video Processing · Electrical Eng. & Systems 2020-09-02 Changyan Zhu , Eng Aik Chan , You Wang , Weina Peng , Ruixiang Guo , Baile Zhang , Cesare Soci , Yidong Chong