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For a better performance in single image super-resolution(SISR), we present an image super-resolution algorithm based on adaptive dense connection (ADCSR). The algorithm is divided into two parts: BODY and SKIP. BODY improves the…

Image and Video Processing · Electrical Eng. & Systems 2019-12-19 Tangxin Xie , Xin Yang , Yu Jia , Chen Zhu , Xiaochuan Li

Reconstructing dynamic, time-varying scenes with computed tomography (4D-CT) is a challenging and ill-posed problem common to industrial and medical settings. Existing 4D-CT reconstructions are designed for sparse sampling schemes that…

Image and Video Processing · Electrical Eng. & Systems 2021-04-26 Albert W. Reed , Hyojin Kim , Rushil Anirudh , K. Aditya Mohan , Kyle Champley , Jingu Kang , Suren Jayasuriya

In this paper, we tackle the problem of estimating the depth of a scene from a monocular video sequence. In particular, we handle challenging scenarios, such as non-translational camera motion and dynamic scenes, where traditional structure…

Computer Vision and Pattern Recognition · Computer Science 2015-11-20 Miaomiao Liu , Mathieu Salzmann , Xuming He

We introduce MultiDiff, a novel approach for consistent novel view synthesis of scenes from a single RGB image. The task of synthesizing novel views from a single reference image is highly ill-posed by nature, as there exist multiple,…

Computer Vision and Pattern Recognition · Computer Science 2024-06-27 Norman Müller , Katja Schwarz , Barbara Roessle , Lorenzo Porzi , Samuel Rota Bulò , Matthias Nießner , Peter Kontschieder

We tackle the problem of monocular 3D reconstruction of articulated objects like humans and animals. We contribute DensePose 3D, a method that can learn such reconstructions in a weakly supervised fashion from 2D image annotations only.…

Computer Vision and Pattern Recognition · Computer Science 2021-09-02 Roman Shapovalov , David Novotny , Benjamin Graham , Patrick Labatut , Andrea Vedaldi

Dynamic scene reconstruction from multi-view videos remains a fundamental challenge in computer vision. While recent neural surface reconstruction methods have achieved remarkable results in static 3D reconstruction, extending these…

Graphics · Computer Science 2025-09-22 Mohamed Ebbed , Zorah Lähner

Existing simultaneous localization and mapping (SLAM) algorithms are not robust in challenging low-texture environments because there are only few salient features. The resulting sparse or semi-dense map also conveys little information for…

Computer Vision and Pattern Recognition · Computer Science 2017-03-22 Shichao Yang , Yu Song , Michael Kaess , Sebastian Scherer

One challenge that remains open in 3D deep learning is how to efficiently represent 3D data to feed deep networks. Recent works have relied on volumetric or point cloud representations, but such approaches suffer from a number of issues…

Computer Vision and Pattern Recognition · Computer Science 2019-01-25 Jhony K. Pontes , Chen Kong , Sridha Sridharan , Simon Lucey , Anders Eriksson , Clinton Fookes

Surgical automation requires precise guidance and understanding of the scene. Current methods in the literature rely on bulky depth cameras to create maps of the anatomy, however this does not translate well to space-limited clinical…

We propose Neural-DynamicReconstruction (NDR), a template-free method to recover high-fidelity geometry and motions of a dynamic scene from a monocular RGB-D camera. In NDR, we adopt the neural implicit function for surface representation…

Computer Vision and Pattern Recognition · Computer Science 2022-10-17 Hongrui Cai , Wanquan Feng , Xuetao Feng , Yan Wang , Juyong Zhang

We present a system that allows for accurate, fast, and robust estimation of camera parameters and depth maps from casual monocular videos of dynamic scenes. Most conventional structure from motion and monocular SLAM techniques assume input…

Computer Vision and Pattern Recognition · Computer Science 2024-12-10 Zhengqi Li , Richard Tucker , Forrester Cole , Qianqian Wang , Linyi Jin , Vickie Ye , Angjoo Kanazawa , Aleksander Holynski , Noah Snavely

Augmented Reality (AR) applications necessitates methods of inserting needed objects into scenes captured by cameras in a way that is coherent with the surroundings. Common AR applications require the insertion of predefined 3D objects with…

Computer Vision and Pattern Recognition · Computer Science 2024-01-29 Fouad Afiouni , Mohamad Fakih , Joey Sleiman

Panoptic segmentation of 3D scenes, involving the segmentation and classification of object instances in a dense 3D reconstruction of a scene, is a challenging problem, especially when relying solely on unposed 2D images. Existing…

Computer Vision and Pattern Recognition · Computer Science 2025-06-27 Lojze Zust , Yohann Cabon , Juliette Marrie , Leonid Antsfeld , Boris Chidlovskii , Jerome Revaud , Gabriela Csurka

We present a new pipeline for holistic 3D scene understanding from a single image, which could predict object shapes, object poses, and scene layout. As it is a highly ill-posed problem, existing methods usually suffer from inaccurate…

Computer Vision and Pattern Recognition · Computer Science 2021-08-24 Cheng Zhang , Zhaopeng Cui , Yinda Zhang , Bing Zeng , Marc Pollefeys , Shuaicheng Liu

We introduce an approach that accurately reconstructs 3D human poses and detailed 3D full-body geometric models from single images in realtime. The key idea of our approach is a novel end-to-end multi-task deep learning framework that uses…

Computer Vision and Pattern Recognition · Computer Science 2021-06-23 Liguo Jiang , Miaopeng Li , Jianjie Zhang , Congyi Wang , Juntao Ye , Xinguo Liu , Jinxiang Chai

The task of separating dynamic objects from static environments using NeRFs has been widely studied in recent years. However, capturing large-scale scenes still poses a challenge due to their complex geometric structures and unconstrained…

Computer Vision and Pattern Recognition · Computer Science 2024-07-18 Thang-Anh-Quan Nguyen , Luis Roldão , Nathan Piasco , Moussab Bennehar , Dzmitry Tsishkou

In this paper, we present an algorithm for online 3D reconstruction of dynamic scenes using individual times of arrival (ToA) of photons recorded by single-photon detector arrays. One of the main challenges in 3D imaging using single-photon…

Image and Video Processing · Electrical Eng. & Systems 2020-02-19 Yoann Altmann , Stephen McLaughlin , Michael E. Davies

Scene flow estimation is an extremely important task in computer vision to support the perception of dynamic changes in the scene. For robust scene flow, learning-based approaches have recently achieved impressive results using either…

Computer Vision and Pattern Recognition · Computer Science 2026-02-26 Rajai Alhimdiat , Ramy Battrawy , René Schuster , Didier Stricker , Wesam Ashour

We proposed a novel approach to coherent imaging of dynamic samples. The inter-frame similarity of the sample's local structures is found to be a powerful constraint in phasing a sequence of diffraction patterns. We devised a new image…

Optics · Physics 2024-07-11 Pengju Sheng , Fucai Zhang

With the explosive growth of web-based cameras and mobile devices, billions of photographs are uploaded to the internet. We can trivially collect a huge number of photo streams for various goals, such as 3D scene reconstruction and other…

Computer Vision and Pattern Recognition · Computer Science 2016-11-18 Jianjun Yang , Yin Wang , Honggang Wang , Kun Hua , Wei Wang , Ju Shen
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