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相关论文: BP-MVSNet: Belief-Propagation-Layers for Multi-Vie…

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Recent learning-based multi-view stereo (MVS) methods show excellent performance with dense cameras and small depth ranges. However, non-learning based approaches still outperform for scenes with large depth ranges and sparser wide-baseline…

计算机视觉与模式识别 · 计算机科学 2021-08-23 Jae Yong Lee , Joseph DeGol , Chuhang Zou , Derek Hoiem

3D terrain reconstruction with remote sensing imagery achieves cost-effective and large-scale earth observation and is crucial for safeguarding natural disasters, monitoring ecological changes, and preserving the environment.Recently,…

计算机视觉与模式识别 · 计算机科学 2025-01-03 Song Zhang , Zhiwei Wei , Wenjia Xu , Lili Zhang , Yang Wang , Jinming Zhang , Junyi Liu

Patch deformation-based methods have recently exhibited substantial effectiveness in multi-view stereo, due to the incorporation of deformable and expandable perception to reconstruct textureless areas. However, such approaches typically…

计算机视觉与模式识别 · 计算机科学 2025-11-26 Zhenlong Yuan , Jinguo Luo , Fei Shen , Zhaoxin Li , Cong Liu , Tianlu Mao , Zhaoqi Wang

In this paper, we propose the MultiLevel Variational MultiScale (ML-VMS) method, a novel approach that seamlessly integrates a multilevel mesh strategy into the Variational Multiscale (VMS) framework. A key feature of the ML-VMS method is…

数值分析 · 数学 2025-10-28 Lei Zhang , Jiachen Guo , Shaoqiang Tang , Thomas J. R. Hughes , Wing Kam Liu

In this work, we propose a novel approach to prioritize the depth map computation of multi-view stereo (MVS) to obtain compact 3D point clouds of high quality and completeness at low computational cost. Our prioritization approach operates…

计算机视觉与模式识别 · 计算机科学 2018-03-23 Christian Mostegel , Friedrich Fraundorfer , Horst Bischof

This paper proposes a novel layered belief propagation (BP) detector with a concatenated structure of two different BP layers for low-complexity large multi-user multi-input multi-output (MU-MIMO) detection based on statistical beams. To…

信息论 · 计算机科学 2026-03-30 Takumi Takahashi , Antti Tölli , Shinsuke Ibi , Seiichi Sampei

Significant progress has been witnessed in learning-based Multi-view Stereo (MVS) under supervised and unsupervised settings. To combine their respective merits in accuracy and completeness, meantime reducing the demand for expensive…

计算机视觉与模式识别 · 计算机科学 2023-10-27 Hongbin Xu , Weitao Chen , Yang Liu , Zhipeng Zhou , Haihong Xiao , Baigui Sun , Xuansong Xie , Wenxiong Kang

Cardiovascular magnetic resonance imaging is emerging as a crucial tool to examine cardiac morphology and function. Essential to this endeavour are anatomical 3D surface and volumetric meshes derived from CMR images, which facilitate…

Learning-based Multi-View Stereo (MVS) methods have made remarkable progress in recent years. However, how to effectively train the network without using real-world labels remains a challenging problem. In this paper, driven by the recent…

计算机视觉与模式识别 · 计算机科学 2025-04-17 Jie Zhu , Bo Peng , Zhe Zhang , Bingzheng Liu , Jianjun Lei

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…

计算机视觉与模式识别 · 计算机科学 2021-12-07 Zhenxing Mi , Di Chang , Dan Xu

In this paper, we propose a novel convolutional neural network (CNN) architecture, MFRNet, for post-processing (PP) and in-loop filtering (ILF) in the context of video compression. This network consists of four Multi-level Feature review…

图像与视频处理 · 电气工程与系统科学 2020-12-15 Di Ma , Fan Zhang , David R. Bull

This paper presents an online method for joint channel estimation and decoding in massive MIMO-OFDM systems using complex-valued neural networks (CVNNs). The study evaluates the performance of various CVNNs, such as the complex-valued…

Traditional multi-view stereo (MVS) methods primarily depend on photometric and geometric consistency constraints. In contrast, modern learning-based algorithms often rely on the plane sweep algorithm to infer 3D geometry, applying explicit…

计算机视觉与模式识别 · 计算机科学 2025-09-16 Vibhas Vats , Md. Alimoor Reza , David Crandall , Soon-heung Jung

Learning-based multi-view stereo (MVS) methods have demonstrated promising results. However, very few existing networks explicitly take the pixel-wise visibility into consideration, resulting in erroneous cost aggregation from occluded…

计算机视觉与模式识别 · 计算机科学 2020-08-20 Jingyang Zhang , Yao Yao , Shiwei Li , Zixin Luo , Tian Fang

We present a convolutional neural network (CNN) based solution for modeling physically plausible spatially varying surface reflectance functions (SVBRDF) from a single photograph of a planar material sample under unknown natural…

图形学 · 计算机科学 2018-09-05 Xiao Li , Yue Dong , Pieter Peers , Xin Tong

Multi-view stereopsis (MVS) tries to recover the 3D model from 2D images. As the observations become sparser, the significant 3D information loss makes the MVS problem more challenging. Instead of only focusing on densely sampled…

计算机视觉与模式识别 · 计算机科学 2020-05-28 Mengqi Ji , Jinzhi Zhang , Qionghai Dai , Lu Fang

Deep convolutional neural networks (CNN) have shown their promise as a universal representation for recognition. However, global CNN activations lack geometric invariance, which limits their robustness for classification and matching of…

计算机视觉与模式识别 · 计算机科学 2014-09-10 Yunchao Gong , Liwei Wang , Ruiqi Guo , Svetlana Lazebnik

Multi-label image classification is a fundamental but challenging task in computer vision. Great progress has been achieved by exploiting semantic relations between labels in recent years. However, conventional approaches are unable to…

计算机视觉与模式识别 · 计算机科学 2017-04-03 Feng Zhu , Hongsheng Li , Wanli Ouyang , Nenghai Yu , Xiaogang Wang

Retinal fundus images provide valuable insights into the human eye's interior structure and crucial features, such as blood vessels, optic disk, macula, and fovea. However, accurate segmentation of retinal blood vessels can be challenging…

图像与视频处理 · 电气工程与系统科学 2025-06-24 Atifa Kalsoom , M. A. Iftikhar , Amjad Ali , Zubair Shah , Shidin Balakrishnan , Hazrat Ali

Inspired by recent advances in deep learning, we propose a novel iterative BP-CNN architecture for channel decoding under correlated noise. This architecture concatenates a trained convolutional neural network (CNN) with a standard…

机器学习 · 统计学 2018-03-14 Fei Liang , Cong Shen , Feng Wu