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Multi-view surface reconstruction is an ill-posed, inverse problem in 3D vision research. It involves modeling the geometry and appearance with appropriate surface representations. Most of the existing methods rely either on explicit…

计算机视觉与模式识别 · 计算机科学 2024-01-09 Zhangjin Huang , Zhihao Liang , Haojie Zhang , Yangkai Lin , Kui Jia

Reconstructing high-fidelity 3D head geometry from images is critical for a wide range of applications, yet existing methods face fundamental limitations. Traditional photogrammetry achieves exceptional detail but requires extensive camera…

计算机视觉与模式识别 · 计算机科学 2026-03-30 Noé Artru , Rukhshanda Hussain , Emeline Got , Alexandre Messier , David B. Lindell , Abdallah Dib

Homography estimation is a basic computer vision task, which aims to obtain the transformation from multi-view images for image alignment. Unsupervised learning homography estimation trains a convolution neural network for feature…

计算机视觉与模式识别 · 计算机科学 2023-02-07 Mingxiao Huo , Zhihao Zhang , Xinyang Ren , Xianqiang Yang

The heat transfer performance of Plate Fin Heat Sink (PFHS) has been investigated experimentally and extensively. Commonly, the objective function of the PFHS design is based on the responses of simulations. Compared with existing studies,…

计算工程、金融与科学 · 计算机科学 2019-02-22 Yu Li , Hu Wang , Xinjian Deng

We present a unified framework tackling two problems: class-specific 3D reconstruction from a single image, and generation of new 3D shape samples. These tasks have received considerable attention recently; however, existing approaches rely…

计算机视觉与模式识别 · 计算机科学 2018-11-16 Paul Henderson , Vittorio Ferrari

Image retargeting aims to change the aspect-ratio of an image while maintaining its content and structure with less visual artifacts. Existing methods still generate many artifacts or fail to maintain original content or structure. To…

While many works focus on 3D reconstruction from images, in this paper, we focus on 3D shape reconstruction and completion from a variety of 3D inputs, which are deficient in some respect: low and high resolution voxels, sparse and dense…

计算机视觉与模式识别 · 计算机科学 2020-04-16 Julian Chibane , Thiemo Alldieck , Gerard Pons-Moll

We propose a data-driven method for recovering miss-ing parts of 3D shapes. Our method is based on a new deep learning architecture consisting of two sub-networks: a global structure inference network and a local geometry refinement…

计算机视觉与模式识别 · 计算机科学 2017-09-26 Xiaoguang Han , Zhen Li , Haibin Huang , Evangelos Kalogerakis , Yizhou Yu

Deep learning-based image reconstruction methods have achieved remarkable success in phase recovery and holographic imaging. However, the generalization of their image reconstruction performance to new types of samples never seen by the…

计算机视觉与模式识别 · 计算机科学 2022-08-17 Hanlong Chen , Luzhe Huang , Tairan Liu , Aydogan Ozcan

While recent deep neural networks have achieved promising results for 3D reconstruction from a single-view image, these rely on the availability of RGB textures in images and extra information as supervision. In this work, we propose novel…

计算机视觉与模式识别 · 计算机科学 2017-01-18 Xinhan Di , Pengqian Yu

Shape from Focus (SFF) is a depth reconstruction technique that estimates scene structure from focus variations observed across a focal stack, that is, a sequence of images captured at different focus settings. A key limitation of SFF…

计算机视觉与模式识别 · 计算机科学 2026-04-03 Khurram Ashfaq , Muhammad Tariq Mahmood

Neural fields have rapidly been adopted for representing 3D signals, but their application to more classical 2D image-processing has been relatively limited. In this paper, we consider one of the most important operations in image…

Neural 3D implicit representations learn priors that are useful for diverse applications, such as single- or multiple-view 3D reconstruction. A major downside of existing approaches while rendering an image is that they require evaluating…

计算机视觉与模式识别 · 计算机科学 2023-12-20 Tarun Yenamandra , Ayush Tewari , Nan Yang , Florian Bernard , Christian Theobalt , Daniel Cremers

Constructing a high-quality dense map in real-time is essential for robotics, AR/VR, and digital twins applications. As Neural Radiance Field (NeRF) greatly improves the mapping performance, in this paper, we propose a NeRF-based mapping…

机器人学 · 计算机科学 2023-09-21 Chenxing Jiang , Hanwen Zhang , Peize Liu , Zehuan Yu , Hui Cheng , Boyu Zhou , Shaojie Shen

We build upon the functional object-oriented network (FOON), a structured knowledge representation which is constructed from observations of human activities and manipulations. A FOON can be used for representing object-motion affordances.…

机器人学 · 计算机科学 2020-08-03 David Paulius , Ahmad Babaeian Jelodar , Yu Sun

Image guidance is an effective strategy for depth super-resolution. Generally, most existing methods employ hand-crafted operators to decompose the high-frequency (HF) and low-frequency (LF) ingredients from low-resolution depth maps and…

计算机视觉与模式识别 · 计算机科学 2023-02-01 Jiayi Yuan , Haobo Jiang , Xiang Li , Jianjun Qian , Jun Li , Jian Yang

Our work aims to reconstruct a 3D object that is held and rotated by a hand in front of a static RGB camera. Previous methods that use implicit neural representations to recover the geometry of a generic hand-held object from multi-view…

计算机视觉与模式识别 · 计算机科学 2023-12-29 Shijian Jiang , Qi Ye , Rengan Xie , Yuchi Huo , Xiang Li , Yang Zhou , Jiming Chen

We introduce SAOR, a novel approach for estimating the 3D shape, texture, and viewpoint of an articulated object from a single image captured in the wild. Unlike prior approaches that rely on pre-defined category-specific 3D templates or…

计算机视觉与模式识别 · 计算机科学 2024-04-09 Mehmet Aygün , Oisin Mac Aodha

This paper considers the problem of single image depth estimation. The employment of convolutional neural networks (CNNs) has recently brought about significant advancements in the research of this problem. However, most existing methods…

计算机视觉与模式识别 · 计算机科学 2018-09-25 Junjie Hu , Mete Ozay , Yan Zhang , Takayuki Okatani

We present a new method for 3D shape reconstruction from a single image, in which a deep neural network directly maps an image to a vector of network weights. The network \textcolor{black}{parametrized by} these weights represents a 3D…

计算机视觉与模式识别 · 计算机科学 2019-08-20 Gidi Littwin , Lior Wolf