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Underwater scene reconstruction poses a substantial challenge because of the intricate interplay between light and the medium, resulting in scattering and absorption effects that make both depth estimation and rendering more complex. While…

Computer Vision and Pattern Recognition · Computer Science 2025-01-22 Shuyi Hu , Qi Liu

Deep learning based 3D shape generation methods generally utilize latent features extracted from color images to encode the semantics of objects and guide the shape generation process. These color image semantics only implicitly encode 3D…

Computer Vision and Pattern Recognition · Computer Science 2021-04-13 Rakesh Shrestha , Zhiwen Fan , Qingkun Su , Zuozhuo Dai , Siyu Zhu , Ping Tan

Estimating redshift is a central task in astrophysics, but its measurement is costly and time-consuming. In addition, current image-based methods are often validated on homogeneous datasets. The development and comparison of networks able…

Instrumentation and Methods for Astrophysics · Physics 2026-03-17 Alessandro Meroni , Nicolò Oreste Pinciroli Vago , Piero Fraternali

Dense stereo matching with deep neural networks is of great interest to the research community. Existing stereo matching networks typically use slow and computationally expensive 3D convolutions to improve the performance, which is not…

Computer Vision and Pattern Recognition · Computer Science 2021-03-09 Zhengyu Huang , Theodore B. Norris , Panqu Wang

Learning-based multi-view stereo (MVS) has by far centered around 3D convolution on cost volumes. Due to the high computation and memory consumption of 3D CNN, the resolution of output depth is often considerably limited. Different from…

Computer Vision and Pattern Recognition · Computer Science 2023-07-21 Yifei Shi , Junhua Xi , Dewen Hu , Zhiping Cai , Kai Xu

In computer vision domain, how to fast and accurately perform multiview stereo (MVS) is still a challenging problem. In this paper we present a fast yet accurate method for 3D dense reconstruction, called AMHMVS, built on the PatchMatch…

Computer Vision and Pattern Recognition · Computer Science 2018-05-22 Qingshan Xu , Wenbing Tao

We present a modern solution to the multi-view photometric stereo problem (MVPS). Our work suitably exploits the image formation model in a MVPS experimental setup to recover the dense 3D reconstruction of an object from images. We procure…

Computer Vision and Pattern Recognition · Computer Science 2021-10-13 Berk Kaya , Suryansh Kumar , Francesco Sarno , Vittorio Ferrari , Luc Van Gool

Deep learning has made significant impacts on multi-view stereo systems. State-of-the-art approaches typically involve building a cost volume, followed by multiple 3D convolution operations to recover the input image's pixel-wise depth.…

Computer Vision and Pattern Recognition · Computer Science 2021-12-14 Zhenpei Yang , Zhile Ren , Qi Shan , Qixing Huang

Deep learning has shown to be effective for depth inference in multi-view stereo (MVS). However, the scalability and accuracy still remain an open problem in this domain. This can be attributed to the memory-consuming cost volume…

Computer Vision and Pattern Recognition · Computer Science 2019-12-30 Qingshan Xu , Wenbing Tao

In this paper we present ActiveStereoNet, the first deep learning solution for active stereo systems. Due to the lack of ground truth, our method is fully self-supervised, yet it produces precise depth with a subpixel precision of $1/30th$…

Computer Vision and Pattern Recognition · Computer Science 2018-07-18 Yinda Zhang , Sameh Khamis , Christoph Rhemann , Julien Valentin , Adarsh Kowdle , Vladimir Tankovich , Michael Schoenberg , Shahram Izadi , Thomas Funkhouser , Sean Fanello

We present 3DVNet, a novel multi-view stereo (MVS) depth-prediction method that combines the advantages of previous depth-based and volumetric MVS approaches. Our key idea is the use of a 3D scene-modeling network that iteratively updates a…

Computer Vision and Pattern Recognition · Computer Science 2021-12-02 Alexander Rich , Noah Stier , Pradeep Sen , Tobias Höllerer

Retrieving the missing dimension information in acoustic images from 2D forward-looking sonar is a well-known problem in the field of underwater robotics. There are works attempting to retrieve 3D information from a single image which…

Computer Vision and Pattern Recognition · Computer Science 2022-08-02 Yusheng Wang , Yonghoon Ji , Hiroshi Tsuchiya , Hajime Asama , Atsushi Yamashita

Recently, learning-based multi-view stereo methods have achieved promising results. However, they all overlook the visibility difference among different views, which leads to an indiscriminate multi-view similarity definition and greatly…

Computer Vision and Pattern Recognition · Computer Science 2020-07-16 Qingshan Xu , Wenbing Tao

This paper presents a learning-based method for multi-view depth estimation from posed images. Our core idea is a "learning-to-optimize" paradigm that iteratively indexes a plane-sweeping cost volume and regresses the depth map via a…

Computer Vision and Pattern Recognition · Computer Science 2024-11-06 Changjiang Cai , Pan Ji , Qingan Yan , Yi Xu

Efficient and accurate 3D reconstruction is crucial for various applications, including augmented and virtual reality, medical imaging, and cinematic special effects. While traditional Multi-View Stereo (MVS) systems have been fundamental…

Computer Vision and Pattern Recognition · Computer Science 2024-07-19 Umair Haroon , Ahmad AlMughrabi , Ricardo Marques , Petia Radeva

We introduce the task of stereo video reconstruction or, equivalently, 2D-to-3D video conversion for minimally invasive surgical video. We design and implement a series of end-to-end U-Net-based solutions for this task by varying the input…

Image and Video Processing · Electrical Eng. & Systems 2021-09-20 Annika Brundyn , Jesse Swanson , Kyunghyun Cho , Doug Kondziolka , Eric Oermann

Classification of very high resolution (VHR) satellite images has three major challenges: 1) inherent low intra-class and high inter-class spectral similarities, 2) mismatching resolution of available bands, and 3) the need to regularize…

Computer Vision and Pattern Recognition · Computer Science 2018-12-05 John Ray Bergado , Claudio Persello , Alfred Stein

In this paper, a complete pipeline for image-based 3D reconstruction of urban scenarios is proposed, based on PatchMatch Multi-View Stereo (MVS). Input images are firstly fed into an off-the-shelf visual SLAM system to extract camera poses…

Computer Vision and Pattern Recognition · Computer Science 2022-07-19 Marco Orsingher , Paolo Zani , Paolo Medici , Massimo Bertozzi

We address multiview stereo (MVS), an important 3D vision task that reconstructs a 3D model such as a dense point cloud from multiple calibrated images. We propose CER-MVS (Cascaded Epipolar RAFT Multiview Stereo), a new approach based on…

Computer Vision and Pattern Recognition · Computer Science 2022-05-11 Zeyu Ma , Zachary Teed , Jia Deng

Indoor semantic segmentation has always been a difficult task in computer vision. In this paper, we propose an RGB-D residual encoder-decoder architecture, named RedNet, for indoor RGB-D semantic segmentation. In RedNet, the residual module…

Computer Vision and Pattern Recognition · Computer Science 2018-08-07 Jindong Jiang , Lunan Zheng , Fei Luo , Zhijun Zhang