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3D shape reconstruction is a primary component of augmented/virtual reality. Despite being highly advanced, existing solutions based on RGB, RGB-D and Lidar sensors are power and data intensive, which introduces challenges for deployment in…

Computer Vision and Pattern Recognition · Computer Science 2020-12-11 Alexis Baudron , Zihao W. Wang , Oliver Cossairt , Aggelos K. Katsaggelos

In this paper, we present a new algorithm for fast, online 3D reconstruction of dynamic scenes using times of arrival of photons recorded by single-photon detector arrays. One of the main challenges in 3D imaging using single-photon lidar…

Image and Video Processing · Electrical Eng. & Systems 2021-02-03 Quentin Legros , Julian Tachella , Rachael Tobin , Aongus McCarthy , Sylvain Meignen , Gerald S. Buller , Yoann Altmann , Stephen McLaughlin , Michael E. Davies

The reconstruction of a scene via a stereo-camera system is a two-steps process, where at first images from different cameras are matched to identify the set of point-to-point correspondences that then will actually be reconstructed in the…

Computer Vision and Pattern Recognition · Computer Science 2021-01-15 Riccardo Beschi , Xiao Feng , Stefania Melillo , Leonardo Parisi , Lorena Postiglione

3D photography is a new medium that allows viewers to more fully experience a captured moment. In this work, we refer to a 3D photo as one that displays parallax induced by moving the viewpoint (as opposed to a stereo pair with a fixed…

Most 3D reconstruction methods may only recover scene properties up to a global scale ambiguity. We present a novel approach to single view metrology that can recover the absolute scale of a scene represented by 3D heights of objects or…

Computer Vision and Pattern Recognition · Computer Science 2021-02-24 Rui Zhu , Xingyi Yang , Yannick Hold-Geoffroy , Federico Perazzi , Jonathan Eisenmann , Kalyan Sunkavalli , Manmohan Chandraker

Reconstructing a 3D hand from a single-view RGB image is challenging due to various hand configurations and depth ambiguity. To reliably reconstruct a 3D hand from a monocular image, most state-of-the-art methods heavily rely on 3D…

Computer Vision and Pattern Recognition · Computer Science 2021-03-23 Yujin Chen , Zhigang Tu , Di Kang , Linchao Bao , Ying Zhang , Xuefei Zhe , Ruizhi Chen , Junsong Yuan

3D detection is a critical task that enables machines to identify and locate objects in three-dimensional space. It has a broad range of applications in several fields, including autonomous driving, robotics and augmented reality. Monocular…

Computer Vision and Pattern Recognition · Computer Science 2024-04-11 Aakash Kumar , Chen Chen , Ajmal Mian , Neils Lobo , Mubarak Shah

In this paper, we propose a novel projector-camera system for practical and low-cost acquisition of a dense object 3D model with the spectral reflectance property. In our system, we use a standard RGB camera and leverage an off-the-shelf…

Computer Vision and Pattern Recognition · Computer Science 2019-08-23 Chunyu Li , Yusuke Monno , Hironori Hidaka , Masatoshi Okutomi

Based on point spread function (PSF) engineering and astigmatism due to a pair of cylindrical lenses, a novel compressed imaging mechanism is proposed to achieve single-shot incoherent 3D imaging. The speckle-like PSF of the imaging system…

Optics · Physics 2021-05-24 Qiong Gao , Weidong Qu , Ming Shao , Wei Liu , Xiangzheng Cheng

3D object detection from monocular images is an ill-posed problem due to the projective entanglement of depth and scale. To overcome this ambiguity, we present a novel self-supervised method for textured 3D shape reconstruction and pose…

Computer Vision and Pattern Recognition · Computer Science 2020-10-01 Deniz Beker , Hiroharu Kato , Mihai Adrian Morariu , Takahiro Ando , Toru Matsuoka , Wadim Kehl , Adrien Gaidon

Light detection and ranging (Lidar) single-photon devices capture range and intensity information from a 3D scene. This modality enables long range 3D reconstruction with high range precision and low laser power. A multispectral…

Signal Processing · Electrical Eng. & Systems 2019-09-20 Julián Tachella , Yoann Altmann , Miguel Márquez , Henry Arguello-Fuentes , Jean-Yves Tourneret , Stephen McLaughlin

Monocular 3D object detection (M3OD) is intrinsically ill-posed, hence training a high-performance deep learning based M3OD model requires a humongous amount of labeled data with complicated visual variation from diverse scenes, variety of…

Computer Vision and Pattern Recognition · Computer Science 2026-03-10 Zhaonian Kuang , Rui Ding , Meng Yang , Xinhu Zheng , Gang Hua

Three-dimensional shape reconstruction of 2D landmark points on a single image is a hallmark of human vision, but is a task that has been proven difficult for computer vision algorithms. We define a feed-forward deep neural network…

Computer Vision and Pattern Recognition · Computer Science 2016-09-29 Ruiqi Zhao , Yan Wang , Aleix Martinez

Monocular cameras are one of the most commonly used sensors in the automotive industry for autonomous vehicles. One major drawback using a monocular camera is that it only makes observations in the two dimensional image plane and can not…

Computer Vision and Pattern Recognition · Computer Science 2018-02-28 Samuel Scheidegger , Joachim Benjaminsson , Emil Rosenberg , Amrit Krishnan , Karl Granstrom

Reconstructing hand-held objects in 3D from monocular images remains a significant challenge in computer vision. Most existing approaches rely on implicit 3D representations, which produce overly smooth reconstructions and are…

Computer Vision and Pattern Recognition · Computer Science 2025-07-22 Zerui Chen , Rolandos Alexandros Potamias , Shizhe Chen , Cordelia Schmid

Single-photon cameras present a promising avenue for high-resolution 3D imaging. They have ultra-high sensitivity -- down to individual photons -- and can record photon arrival times with extremely high (sub-nanosecond) resolution.…

Image and Video Processing · Electrical Eng. & Systems 2024-08-30 Kaustubh Sadekar , David Maier , Atul Ingle

Single-photon lidar has emerged as a prime candidate technology for depth imaging through challenging environments. Until now, a major limitation has been the significant amount of time required for the analysis of the recorded data. Here…

Image and Video Processing · Electrical Eng. & Systems 2020-01-08 Julián Tachella , Yoann Altmann , Nicolas Mellado , Aongus McCarthy , Rachael Tobin , Gerald S. Buller , Jean-Yves Tourneret , Stephen McLaughlin

We introduce a novel camera model for monocular 3D Morphable Model (3DMM) regression methods that effectively captures the perspective distortion effect commonly seen in close-up facial images. Fitting 3D morphable models to video is a key…

Computer Vision and Pattern Recognition · Computer Science 2026-03-06 Toby Chong , Ryota Nakajima

The objective of this work is to infer the 3D shape of an object from a single image. We use sculptures as our training and test bed, as these have great variety in shape and appearance. To achieve this we build on the success of multiple…

Computer Vision and Pattern Recognition · Computer Science 2018-10-05 Olivia Wiles , Andrew Zisserman

We present a technique for a complete 3D reconstruction of small objects moving in front of a textured background. It is a particular variation of multibody structure from motion, which specializes to two objects only. The scene is captured…

Computer Vision and Pattern Recognition · Computer Science 2021-05-25 Petr Hruby , Tomas Pajdla
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