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This paper reports a new continuous 3D loss function for learning depth from monocular images. The dense depth prediction from a monocular image is supervised using sparse LIDAR points, which enables us to leverage available open source…

Computer Vision and Pattern Recognition · Computer Science 2020-08-11 Minghan Zhu , Maani Ghaffari , Yuanxin Zhong , Pingping Lu , Zhong Cao , Ryan M. Eustice , Huei Peng

Accurate stereo depth estimation plays a critical role in various 3D tasks in both indoor and outdoor environments. Recently, learning-based multi-view stereo methods have demonstrated competitive performance with a limited number of views.…

Computer Vision and Pattern Recognition · Computer Science 2020-06-02 Uday Kusupati , Shuo Cheng , Rui Chen , Hao Su

Clinical measurement of a patient's axial eye length is emerging as a crucial approach to track progression and monitor management of myopia. However, the preferred method for such measurements is swept-source OCT, whose cost prohibits…

Accurate localization is essential for robotics and augmented reality applications such as autonomous navigation. Vision-based methods combining prior maps aim to integrate LiDAR-level accuracy with camera cost efficiency for robust pose…

Robotics · Computer Science 2025-03-06 Jie Deng , Fengtian Lang , Zikang Yuan , Xin Yang

Monocular depth estimation can play an important role in addressing the issue of deriving scene geometry from 2D images. It has been used in a variety of industries, including robots, self-driving cars, scene comprehension, 3D…

Computer Vision and Pattern Recognition · Computer Science 2022-12-23 Ruilin Ma , Shiyao Chen , Qin Zhang

We estimate the scattering matrix of an arbitrarily complex linear, passive, time-invariant system with $N$ monomodal lumped ports by inputting and outputting waves only via a fixed set of $N_\mathrm{A}<N$ ports while terminating the…

Applied Physics · Physics 2025-02-17 Philipp del Hougne

Self-supervised learning for monocular depth estimation is widely investigated as an alternative to supervised learning approach, that requires a lot of ground truths. Previous works have successfully improved the accuracy of depth…

Computer Vision and Pattern Recognition · Computer Science 2020-11-25 Noriaki Hirose , Shun Taguchi , Keisuke Kawano , Satoshi Koide

While methods for monocular depth estimation have made significant strides on standard benchmarks, zero-shot metric depth estimation remains unsolved. Challenges include the joint modeling of indoor and outdoor scenes, which often exhibit…

Computer Vision and Pattern Recognition · Computer Science 2023-12-21 Saurabh Saxena , Junhwa Hur , Charles Herrmann , Deqing Sun , David J. Fleet

Metric depth estimation from visual sensors is crucial for robots to perceive, navigate, and interact with their environment. Traditional range imaging setups, such as stereo or structured light cameras, face hassles including calibration,…

Computer Vision and Pattern Recognition · Computer Science 2025-03-13 Blanca Lasheras-Hernandez , Klaus H. Strobl , Sergio Izquierdo , Tim Bodenmüller , Rudolph Triebel , Javier Civera

We present a novel approach for metric dense depth estimation based on the fusion of a single-view image and a sparse, noisy Radar point cloud. The direct fusion of heterogeneous Radar and image data, or their encodings, tends to yield…

Computer Vision and Pattern Recognition · Computer Science 2024-03-20 Han Li , Yukai Ma , Yaqing Gu , Kewei Hu , Yong Liu , Xingxing Zuo

Over the past few years, monocular depth estimation and completion have been paid more and more attention from the computer vision community because of their widespread applications. In this paper, we introduce novel physics…

Computer Vision and Pattern Recognition · Computer Science 2023-11-14 Shuwei Shao , Zhongcai Pei , Weihai Chen , Peter C. Y. Chen , Zhengguo Li

Monocular depth estimation is a challenging task in complex compositions depicting multiple objects of diverse scales. Albeit the recent great progress thanks to the deep convolutional neural networks (CNNs), the state-of-the-art monocular…

Computer Vision and Pattern Recognition · Computer Science 2017-08-09 Bo Li , Yuchao Dai , Mingyi He

Omnidirectional depth estimation enables efficient 3D perception over a full 360-degree range. However, in real-world applications such as autonomous driving and robotics, achieving real-time performance and robust cross-scene…

Computer Vision and Pattern Recognition · Computer Science 2025-11-11 Ming Li , Xiong Yang , Chaofan Wu , Jiaheng Li , Pinzhi Wang , Xuejiao Hu , Sidan Du , Yang Li

We present the VLA-COSMOS 3 GHz Large Project based on 384 hours of observations with the Karl G. Jansky Very Large Array (VLA) at 3 GHz (10 cm) toward the two square degree Cosmic Evolution Survey (COSMOS) field. The final mosaic reaches a…

Monocular omnidirectional depth estimation is receiving considerable research attention due to its broad applications for sensing 360{\deg} surroundings. Existing approaches in this field suffer from limitations in recovering small object…

Computer Vision and Pattern Recognition · Computer Science 2022-04-12 Masum Shah Junayed , Arezoo Sadeghzadeh , Md Baharul Islam , Lai-Kuan Wong , Tarkan Aydin

In this work, we introduce a variable window size (VWS) spatial smoothing framework that enhances coarray-based direction of arrival (DOA) estimation for sparse linear arrays. By compressing the smoothing aperture, the proposed VWS Coarray…

Machine Learning · Computer Science 2025-12-29 Wesley S. Leite , Rodrigo C. de Lamare , Yuriy Zakharov , Wei Liu , Martin Haardt

In this paper, a sparse-based method for the estimation of the parameters of multidimensional ($R$-D) modal (harmonic or damped) complex signals in noise is presented. The problem is formulated as $R$ simultaneous sparse approximations of…

Information Theory · Computer Science 2015-11-02 Souleymen Sahnoun , El-Hadi Djermoune , David Brie , Pierre Comon

An approach to the estimation of the Direction of Arrival (DOA) of wide-band signals with a planar microphone array is presented. Our algorithm estimates an unambiguous DOA using a single planar array in which the microphones are placed…

Sound · Computer Science 2018-11-19 Rudolf Byker , Thomas Niesler

Herein, an atomic norm based method for accurately estimating the location and orientation of a target from millimeter-wave multi-input-multi-output (MIMO) orthogonal frequency-division multiplexing (OFDM) signals is presented. A novel…

Signal Processing · Electrical Eng. & Systems 2022-09-21 Jianxiu Li , Maxime Ferreira Da Costa , Urbashi Mitra

POD-DL-ROMs have been recently proposed as an extremely versatile strategy to build accurate and reliable reduced order models (ROMs) for nonlinear parametrized partial differential equations, combining (i) a preliminary dimensionality…

Numerical Analysis · Mathematics 2023-05-09 Simone Brivio , Stefania Fresca , Nicola Rares Franco , Andrea Manzoni