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Most existing 3D assembly methods treat the problem as pure pose estimation, rearranging observed parts via rigid transformations. In contrast, human assembly naturally couples structural reasoning with holistic shape inference. Inspired by…

Computer Vision and Pattern Recognition · Computer Science 2026-02-27 Zeyu Jiang , Sihang Li , Siqi Tan , Chenyang Xu , Juexiao Zhang , Julia Galway-Witham , Xue Wang , Scott A. Williams , Radu Iovita , Chen Feng , Jing Zhang

Voxel coloring is a popular method of reconstructing a three-dimensional surface model from a set of calibrated 2D images. However, the reconstruction quality is largely dependent on a thresholding procedure allowing the authors to decide,…

Computer Vision and Pattern Recognition · Computer Science 2018-09-18 Mohamed Chafik Bakkay , Walid Barhoumi , Ezzeddine Zagrouba

Synthesizing novel views from a single view image is a highly ill-posed problem. We discover an effective solution to reduce the learning ambiguity by expanding the single-view view synthesis problem to a multi-view setting. Specifically,…

Computer Vision and Pattern Recognition · Computer Science 2023-04-21 Yang Zhou , Hanjie Wu , Wenxi Liu , Zheng Xiong , Jing Qin , Shengfeng He

We present a novel method to reconstruct the 3D layout of a room (walls, floors, ceilings) from a single perspective view in challenging conditions, by contrast with previous single-view methods restricted to cuboid-shaped layouts. This…

Computer Vision and Pattern Recognition · Computer Science 2020-07-22 Sinisa Stekovic , Shreyas Hampali , Mahdi Rad , Sayan Deb Sarkar , Friedrich Fraundorfer , Vincent Lepetit

Photometric Stereo methods seek to reconstruct the 3d shape of an object from motionless images obtained with varying illumination. Most existing methods solve a restricted problem where the physical reflectance model, such as Lambertian…

Computer Vision and Pattern Recognition · Computer Science 2021-10-06 Ofer Bartal , Nati Ofir , Yaron Lipman , Ronen Basri

In autonomous driving, mapping is critical for motion planning but remains an under-utilized resource for perception tasks such as 3D object detection. Maps can provide robust structural priors of the static environment, helping resolve…

Computer Vision and Pattern Recognition · Computer Science 2026-05-25 Yang Fu , Yuliang Zou , Hao Xiang , Xin Huang , Yijing Bai , Chen Song , Weijing Shi , Govind Thattai , Dragomir Anguelov , Mingxing Tan , Yingwei Li

We examine 3D reconstruction of architectural scenes in unordered sets of uncalibrated images. We introduce a linear method to self-calibrate and find the metric reconstruction of a camera pair. We assume unknown and different focal lengths…

Computer Vision and Pattern Recognition · Computer Science 2019-07-01 Nikos Melanitis , Petros Maragos

Recovering high-quality 3D scenes from a single RGB image is a challenging task in computer graphics. Current methods often struggle with domain-specific limitations or low-quality object generation. To address these, we propose CAST…

Computer Vision and Pattern Recognition · Computer Science 2025-05-14 Kaixin Yao , Longwen Zhang , Xinhao Yan , Yan Zeng , Qixuan Zhang , Wei Yang , Lan Xu , Jiayuan Gu , Jingyi Yu

We report a fast, efficient and credible statistical reconstruction of any two-phase patterns of islands of miscellaneous shapes and poly-dispersed in sizes. In the proposed multi-scale approach called a weighted doubly-hybrid, two…

Statistical Mechanics · Physics 2015-03-24 W. Olchawa , R. Piasecki

Segmenting anatomical structures in medical images has been successfully addressed with deep learning methods for a range of applications. However, this success is heavily dependent on the quality of the image that is being segmented. A…

Image and Video Processing · Electrical Eng. & Systems 2020-07-06 Ilkay Oksuz , James R. Clough , Bram Ruijsink , Esther Puyol Anton , Aurelien Bustin , Gastao Cruz , Claudia Prieto , Andrew P. King , Julia A. Schnabel

Our work considers the optimization of the sum of a non-smooth convex function and a finite family of composite convex functions, each one of which is composed of a convex function and a bounded linear operator. This type of problem is…

Optimization and Control · Mathematics 2019-08-30 Yu-Chao Tang , Chuan-Xi Zhu , Meng Wen , Ji-Gen Peng

In this paper, we propose a novel semi-autonomous image sampling strategy, called stealthy coverage control, for human-enabled 3D structure reconstruction. The present mission involves a fundamental problem: while the number of images…

Systems and Control · Electrical Eng. & Systems 2026-02-03 Reiji Terunuma , Yuta Nakamura , Takuma Abe , Takeshi Hatanaka

In this paper a general methodology is introduced for the determination of potential prototype curves used for the drawing of prehistoric wall-paintings. The approach includes a) preprocessing of the wall-paintings contours to properly…

Computer Vision and Pattern Recognition · Computer Science 2016-11-15 Dimitris Arabadjis , Panayiotis Rousopoulos , Constantin Papaodysseus , Michalis Exarhos , Michalis Panagopoulos , Lena Papazoglou-Manioudaki

Image inpaiting is an important task in image processing and vision. In this paper, we develop a general method for patch-based image inpainting by synthesizing new textures from existing one. A novel framework is introduced to find several…

Computer Vision and Pattern Recognition · Computer Science 2016-05-06 Tao Zhou , Brian Johnson , Rui Li

3D alignment has become a very important part of 3D scanning technology. For instance, we can divide the alignment process into four steps: key point detection, key point description, initial pose estimation, and alignment refinement.…

Computer Vision and Pattern Recognition · Computer Science 2021-10-29 Abdenour Amamra , Khalid Boumaza

We consider the visual disambiguation task of determining whether a pair of visually similar images depict the same or distinct 3D surfaces (e.g., the same or opposite sides of a symmetric building). Illusory image matches, where two images…

Computer Vision and Pattern Recognition · Computer Science 2023-09-06 Ruojin Cai , Joseph Tung , Qianqian Wang , Hadar Averbuch-Elor , Bharath Hariharan , Noah Snavely

Visual object counting is a fundamental computer vision task underpinning numerous real-world applications, from cell counting in biomedicine to traffic and wildlife monitoring. However, existing methods struggle to handle the challenge of…

Computer Vision and Pattern Recognition · Computer Science 2025-07-31 Corentin Dumery , Noa Etté , Aoxiang Fan , Ren Li , Jingyi Xu , Hieu Le , Pascal Fua

We present SAM 3D, a generative model for visually grounded 3D object reconstruction, predicting geometry, texture, and layout from a single image. SAM 3D excels in natural images, where occlusion and scene clutter are common and visual…

Automated symmetry detection is still a difficult task in 2021. However, it has applications in computer vision, and it also plays an important part in understanding art. This paper focuses on aiding the latter by comparing different…

Computer Vision and Pattern Recognition · Computer Science 2022-01-19 Koen Ponse , Anna V. Kononova , Maria Loleyt , Bas van Stein

3D reconstruction is a technique used in computer vision which has a wide range of applications in areas like object recognition, city modelling, virtual reality, physical simulations, video games and special effects. Previously, to perform…

Computer Vision and Pattern Recognition · Computer Science 2017-10-06 Saed Khawaldeh , Tajwar Abrar Aleef , Usama Pervaiz , Vu Hoang Minh , Yeman Brhane Hagos