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Dense matching is crucial for 3D scene reconstruction since it enables the recovery of scene 3D geometry from image acquisition. Deep Learning (DL)-based methods have shown effectiveness in the special case of epipolar stereo disparity…

计算机视觉与模式识别 · 计算机科学 2024-02-21 Teng Wu , Bruno Vallet , Marc Pierrot-Deseilligny , Ewelina Rupnik

Blind image deblurring is a challenging low-level vision task that involves estimating the unblurred image when the blur kernel is unknown. In this paper, we present a self-supervised multi-scale blind image deblurring method to jointly…

计算机视觉与模式识别 · 计算机科学 2024-09-04 Lening Guo , Jing Yu , Ning Zhang , Chuangbai Xiao

Multiview stereo aims to reconstruct scene depth from images acquired by a camera under arbitrary motion. Recent methods address this problem through deep learning, which can utilize semantic cues to deal with challenges such as textureless…

计算机视觉与模式识别 · 计算机科学 2019-05-03 Sunghoon Im , Hae-Gon Jeon , Stephen Lin , In So Kweon

This paper presents a near-light photometric stereo method that faithfully preserves sharp depth edges in the 3D reconstruction. Unlike previous methods that rely on finite differentiation for approximating depth partial derivatives and…

计算机视觉与模式识别 · 计算机科学 2022-07-12 Heng Guo , Hiroaki Santo , Boxin Shi , Yasuyuki Matsushita

Point Spread Function (PSF) modeling is a central part of any astronomy data analysis relying on measuring the shapes of objects. It is especially crucial for weak gravitational lensing, in order to beat down systematics and allow one to…

天体物理仪器与方法 · 物理学 2015-05-30 Joel Bergé , Sedona Price , Adam Amara , Jason Rhodes

We present a novel convolutional neural network architecture for photometric stereo (Woodham, 1980), a problem of recovering 3D object surface normals from multiple images observed under varying illuminations. Despite its long history in…

计算机视觉与模式识别 · 计算机科学 2018-05-30 Tatsunori Taniai , Takanori Maehara

The visibility of real-world images is often limited by both low-light and low-resolution, however, these issues are only addressed in the literature through Low-Light Enhancement (LLE) and Super- Resolution (SR) methods. Admittedly, a…

图像与视频处理 · 电气工程与系统科学 2024-03-01 Ziyu Yue , Jiaxin Gao , Sihan Xie , Yang Liu , Zhixun Su

This paper introduces a new method for learning and inferring sparse representations of depth (disparity) maps. The proposed algorithm relaxes the usual assumption of the stationary noise model in sparse coding. This enables learning from…

计算机视觉与模式识别 · 计算机科学 2015-05-20 Ivana Tosic , Bruno A. Olshausen , Benjamin J. Culpepper

Traditional approaches to interpolate/extrapolate frames in a video sequence require accurate pixel correspondences between images, e.g., using optical flow. Their results stem on the accuracy of optical flow estimation, and could generate…

计算机视觉与模式识别 · 计算机科学 2018-03-21 Zhe Hu , Yinglan Ma , Lizhuang Ma

We present a lightweight two-stage framework for low-light image enhancement (LLIE) that achieves competitive perceptual quality with significantly fewer parameters than existing methods. Our approach combines frozen algorithm-based…

计算机视觉与模式识别 · 计算机科学 2026-05-21 Shimon Murai , Teppei Kurita , Ryuta Satoh , Yusuke Moriuchi

Recent methods in stereo matching have continuously improved the accuracy using deep models. This gain, however, is attained with a high increase in computation cost, such that the network may not fit even on a moderate GPU. This issue…

计算机视觉与模式识别 · 计算机科学 2021-08-24 Faranak Shamsafar , Samuel Woerz , Rafia Rahim , Andreas Zell

Image deblurring is a classical computer vision problem that aims to recover a sharp image from a blurred image. To solve this problem, existing methods apply the Encode-Decode architecture to design the complex networks to make a good…

图像与视频处理 · 电气工程与系统科学 2021-10-13 Wenbin Zou , Mingchao Jiang , Yunchen Zhang , Liang Chen , Zhiyong Lu , Yi Wu

Current CNN-based infrared small target detection(IRSTD) methods generally overlook the heterogeneity between shallow and deep features, leading to inefficient collaboration between shallow fine grained structural information and deep…

计算机视觉与模式识别 · 计算机科学 2025-07-29 Taoran Yue , Xiaojin Lu , Jiaxi Cai , Yuanping Chen , Shibing Chu

A fundamental building block for supporting better utilization of radio spectrum involves predicting the impact that an emitter will have at different geographic locations. To this end, fixed sensors can be deployed to spatially sample the…

计算工程、金融与科学 · 计算机科学 2016-11-14 Shweta Sagari , Larry Greenstein , Wade Trappe

Many approaches to transform classification problems from non-linear to linear by feature transformation have been recently presented in the literature. These notably include sparse coding methods and deep neural networks. However, many of…

机器学习 · 计算机科学 2015-07-08 Alessandro Montalto , Giovanni Tessitore , Roberto Prevete

Until recently, deep steganalyzers in spatial domain have been all designed for gray-scale images. In this paper, we propose WISERNet (the wider separate-then-reunion network) for steganalysis of color images. We provide theoretical…

多媒体 · 计算机科学 2019-03-15 Jishen Zeng , Shunquan Tan , Guangqing Liu , Bin Li , Jiwu Huang

Photometric stereo is a method for estimating the normal vectors of an object from images of the object under varying lighting conditions. Motivated by several recent works that extend photometric stereo to more general objects and lighting…

计算机视觉与模式识别 · 计算机科学 2017-10-03 Andrew J. Wagenmaker , Brian E. Moore , Raj Rao Nadakuditi

We present a novel approach that converts partial and noisy RGB-D scans into high-quality 3D scene reconstructions by inferring unobserved scene geometry. Our approach is fully self-supervised and can hence be trained solely on real-world,…

计算机视觉与模式识别 · 计算机科学 2020-03-26 Angela Dai , Christian Diller , Matthias Nießner

Stokes polarimetry (SP) is a powerful technique that enables spatial reconstruction of the state of polarization (SoP) of a light beam using only intensity measurements. A given SoP is reconstructed from a set of four Stokes parameters,…

Low-light image enhancement aims to restore the visibility of images captured by visual sensors in dim environments by addressing their inherent signal degradations, such as luminance attenuation and structural corruption. Although numerous…

计算机视觉与模式识别 · 计算机科学 2026-03-18 Yicui Shi , Yuhan Chen , Xiangfei Huang , Zhenguo Wang , Wenxuan Yu , Ying Fang