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Generalized metric depth understanding is critical for precise vision-guided robotics, which current state-of-the-art (SOTA) vision-encoders do not support. To address this, we propose Vanishing Depth, a self-supervised training approach…

Computer Vision and Pattern Recognition · Computer Science 2025-03-27 Paul Koch , Jörg Krüger , Ankit Chowdhury , Oliver Heimann

Real-life man-made objects often exhibit strong and easily-identifiable structure, as a direct result of their design or their intended functionality. Structure typically appears in the form of individual parts and their arrangement.…

Computer Vision and Pattern Recognition · Computer Science 2018-09-06 Vignesh Ganapathi-Subramanian , Olga Diamanti , Soeren Pirk , Chengcheng Tang , Matthias Niessner , Leonidas J. Guibas

Recent studies have shown the benefits of using additional elevation data (e.g., DSM) for enhancing the performance of the semantic segmentation of aerial images. However, previous methods mostly adopt 3D elevation information as additional…

Computer Vision and Pattern Recognition · Computer Science 2020-09-23 Xiang Li , Lingjing Wang , Yi Fang

In this paper we present a compositing image synthesis method that generates RGB canvases with well aligned segmentation maps and sparse depth maps, coupled with an in-painting network that transforms the RGB canvases into high quality RGB…

Computer Vision and Pattern Recognition · Computer Science 2022-06-06 Valentina Musat , Daniele De Martini , Matthew Gadd , Paul Newman

We present a cost-efficient and versatile method to map an unknown 3D freeform surface using only sparse measurements while the end-effector of a robotic manipulator moves along the surface. The geometry is locally approximated by a plane,…

Robotics · Computer Science 2021-10-08 Manuel Amersdorfer , Thomas Meurer

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

Autonomous aerial robots are increasingly being deployed in real-world scenarios, where transparent obstacles present significant challenges to reliable navigation and mapping. These materials pose a unique problem for traditional…

Robotics · Computer Science 2025-10-09 Malakhi Hopkins , Varun Murali , Vijay Kumar , Camillo J Taylor

Spatial perception aims to estimate camera motion and scene structure from visual observations, a problem traditionally addressed through geometric modeling and physical consistency constraints. Recent learning-based methods have…

Computer Vision and Pattern Recognition · Computer Science 2026-02-17 Haichao Zhu , Zhaorui Yang , Qian Zhang

Radar-based perception has gained increasing attention in autonomous driving, yet the inherent sparsity of radars poses challenges. Radar raw data often contains excessive noise, whereas radar point clouds retain only limited information.…

Computer Vision and Pattern Recognition · Computer Science 2025-07-16 Jialong Wu , Mirko Meuter , Markus Schoeler , Matthias Rottmann

We present an approach to depth estimation that fuses information from a stereo pair with sparse range measurements derived from a LIDAR sensor or a range camera. The goal of this work is to exploit the complementary strengths of the two…

Computer Vision and Pattern Recognition · Computer Science 2018-09-21 Shreyas S. Shivakumar , Kartik Mohta , Bernd Pfrommer , Vijay Kumar , Camillo J. Taylor

Effective robotic manipulation relies on a precise understanding of 3D scene geometry, and one of the most straightforward ways to acquire such geometry is through multi-view observations. Motivated by this, we present GP3 -- a 3D…

Robotics · Computer Science 2025-09-22 Quanhao Qian , Guoyang Zhao , Gongjie Zhang , Jiuniu Wang , Ran Xu , Junlong Gao , Deli Zhao

Transparent objects are common in daily life. However, depth sensing for transparent objects remains a challenging problem. While learning-based methods can leverage shape priors to improve the sensing quality, the labor-intensive data…

Robotics · Computer Science 2023-09-19 Liuyu Bian , Pengyang Shi , Weihang Chen , Jing Xu , Li Yi , Rui Chen

Previous RGB-D salient object detection (SOD) methods have widely adopted deep learning tools to automatically strike a trade-off between RGB and D (depth), whose key rationale is to take full advantage of their complementary nature, aiming…

Computer Vision and Pattern Recognition · Computer Science 2020-08-11 Xuehao Wang , Shuai Li , Chenglizhao Chen , Aimin Hao , Hong Qin

Recent advances in optimizing Gaussian Splatting for scene geometry have enabled efficient reconstruction of detailed surfaces from images. However, when input views are sparse, such optimization is prone to overfitting, leading to…

Computer Vision and Pattern Recognition · Computer Science 2025-11-19 Meiying Gu , Jiawei Zhang , Jiahe Li , Xiaohan Yu , Haonan Luo , Jin Zheng , Xiao Bai

We propose GauS-SLAM, a dense RGB-D SLAM system that leverages 2D Gaussian surfels to achieve robust tracking and high-fidelity mapping. Our investigations reveal that Gaussian-based scene representations exhibit geometry distortion under…

Computer Vision and Pattern Recognition · Computer Science 2025-05-06 Yongxin Su , Lin Chen , Kaiting Zhang , Zhongliang Zhao , Chenfeng Hou , Ziping Yu

Accurate, high-resolution, and real-time DOA estimation is a cornerstone of environmental perception in automotive radar systems. While sparse signal recovery techniques offer super-resolution and high-precision estimation, their…

Signal Processing · Electrical Eng. & Systems 2026-02-19 Longxin Bai , Jingchao Zhang , Liyan Qiao

Perception is crucial for robots that act in real-world environments, as autonomous systems need to see and understand the world around them to act properly. Panoptic segmentation provides an interpretation of the scene by computing a…

Computer Vision and Pattern Recognition · Computer Science 2023-06-16 Matteo Sodano , Federico Magistri , Tiziano Guadagnino , Jens Behley , Cyrill Stachniss

Depth enhancement, which converts raw dToF signals into dense depth maps using RGB guidance, is crucial for improving depth perception in high-precision tasks such as 3D reconstruction and SLAM. However, existing methods often assume ideal…

Computer Vision and Pattern Recognition · Computer Science 2025-10-01 Jijun Xiang , Longliang Liu , Xuan Zhu , Xianqi Wang , Min Lin , Xin Yang

In this work, we address the problem of real-time dense depth estimation from monocular images for mobile underwater vehicles. We formulate a deep learning model that fuses sparse depth measurements from triangulated features to improve the…

Computer Vision and Pattern Recognition · Computer Science 2023-10-26 Luca Ebner , Gideon Billings , Stefan Williams

We introduce S2C-3D, a novel sparse-view 3D reconstruction framework for high-fidelity and complete scene reconstruction from as few as six to eight images. Our framework features three components: a specialized diffusion model for…

Computer Vision and Pattern Recognition · Computer Science 2026-05-08 Yiyang Shen , Yin Yang , Kun Zhou , Tianjia Shao