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This work proposes a new method to accurately complete sparse LiDAR maps guided by RGB images. For autonomous vehicles and robotics the use of LiDAR is indispensable in order to achieve precise depth predictions. A multitude of applications…

Computer Vision and Pattern Recognition · Computer Science 2019-02-15 Wouter Van Gansbeke , Davy Neven , Bert De Brabandere , Luc Van Gool

LiDAR depth maps provide environmental guidance in a variety of applications. However, such depth maps are typically sparse and insufficient for complex tasks such as autonomous navigation. State of the art methods use image guided neural…

Computer Vision and Pattern Recognition · Computer Science 2021-07-15 Laurenz Reichardt , Patrick Mangat , Oliver Wasenmüller

Depth Completion can produce a dense depth map from a sparse input and provide a more complete 3D description of the environment. Despite great progress made in depth completion, the sparsity of the input and low density of the ground truth…

Computer Vision and Pattern Recognition · Computer Science 2021-08-31 Jiaqi Gu , Zhiyu Xiang , Yuwen Ye , Lingxuan Wang

Depth completion, the technique of estimating a dense depth image from sparse depth measurements, has a variety of applications in robotics and autonomous driving. However, depth completion faces 3 main challenges: the irregularly spaced…

Computer Vision and Pattern Recognition · Computer Science 2018-07-04 Fangchang Ma , Guilherme Venturelli Cavalheiro , Sertac Karaman

In this paper, we propose an end-to-end deep learning network named 3dDepthNet, which produces an accurate dense depth image from a single pair of sparse LiDAR depth and color image for robotics and autonomous driving tasks. Based on the…

Computer Vision and Pattern Recognition · Computer Science 2020-03-23 Rui Xiang , Feng Zheng , Huapeng Su , Zhe Zhang

Depth completion aims to recover dense depth maps from sparse depth measurements. It is of increasing importance for autonomous driving and draws increasing attention from the vision community. Most of existing methods directly train a…

Computer Vision and Pattern Recognition · Computer Science 2019-10-16 Yan Xu , Xinge Zhu , Jianping Shi , Guofeng Zhang , Hujun Bao , Hongsheng Li

Accurate dense depth estimation is crucial for autonomous vehicles to analyze their environment. This paper presents a non-deep learning-based approach to densify a sparse LiDAR-based depth map using a guidance RGB image. To achieve this…

Computer Vision and Pattern Recognition · Computer Science 2024-10-28 Bryan Krauss , Gregory Schroeder , Marko Gustke , Ahmed Hussein

Depth completion involves recovering a dense depth map from a sparse map and an RGB image. Recent approaches focus on utilizing color images as guidance images to recover depth at invalid pixels. However, color images alone are not enough…

Computer Vision and Pattern Recognition · Computer Science 2026-04-16 Danish Nazir , Marcus Liwicki , Didier Stricker , Muhammad Zeshan Afzal

Dense depth cues are important and have wide applications in various computer vision tasks. In autonomous driving, LIDAR sensors are adopted to acquire depth measurements around the vehicle to perceive the surrounding environments. However,…

Computer Vision and Pattern Recognition · Computer Science 2020-02-21 Zixuan Huang , Junming Fan , Shenggan Cheng , Shuai Yi , Xiaogang Wang , Hongsheng Li

Dense depth perception is critical for autonomous driving and other robotics applications. However, modern LiDAR sensors only provide sparse depth measurement. It is thus necessary to complete the sparse LiDAR data, where a synchronized…

Computer Vision and Pattern Recognition · Computer Science 2019-08-06 Jie Tang , Fei-Peng Tian , Wei Feng , Jian Li , Ping Tan

Image guided depth completion aims to recover per-pixel dense depth maps from sparse depth measurements with the help of aligned color images, which has a wide range of applications from robotics to autonomous driving. However, the 3D…

Computer Vision and Pattern Recognition · Computer Science 2022-10-20 Xin Liu , Xiaofei Shao , Bo Wang , Yali Li , Shengjin Wang

Depth completion aims to recover dense depth maps from sparse ones, where color images are often used to facilitate this task. Recent depth methods primarily focus on image guided learning frameworks. However, blurry guidance in the image…

Computer Vision and Pattern Recognition · Computer Science 2024-02-29 Zhiqiang Yan , Xiang Li , Le Hui , Zhenyu Zhang , Jun Li , Jian Yang

An accurate depth map of the environment is critical to the safe operation of autonomous robots and vehicles. Currently, either light detection and ranging (LIDAR) or stereo matching algorithms are used to acquire such depth information.…

Depth completion is a crucial task in autonomous driving, aiming to convert a sparse depth map into a dense depth prediction. Due to its potentially rich semantic information, RGB image is commonly fused to enhance the completion effect.…

Computer Vision and Pattern Recognition · Computer Science 2024-04-23 Moyun Liu , Bing Chen , Youping Chen , Jingming Xie , Lei Yao , Yang Zhang , Joey Tianyi Zhou

Image-guided depth completion aims to generate dense depth maps with sparse depth measurements and corresponding RGB images. Currently, spatial propagation networks (SPNs) are the most popular affinity-based methods in depth completion, but…

Computer Vision and Pattern Recognition · Computer Science 2022-02-22 Yuankai Lin , Tao Cheng , Qi Zhong , Wending Zhou , Hua Yang

Robust three-dimensional scene understanding is now an ever-growing area of research highly relevant in many real-world applications such as autonomous driving and robotic navigation. In this paper, we propose a multi-task learning-based…

Computer Vision and Pattern Recognition · Computer Science 2019-08-16 Amir Atapour-Abarghouei , Toby P. Breckon

The paper proposes an image-guided depth completion method to estimate accurate dense depth maps with fast computation time. The proposed network has two-stage structure. The first stage predicts a first depth map. Then, the second stage…

Computer Vision and Pattern Recognition · Computer Science 2022-02-08 Yongjin Lee , Seokjun Park , Beomgu Kang , Hyunwook Park

Depth estimation is one of the essential tasks to be addressed when creating mobile autonomous systems. While monocular depth estimation methods have improved in recent times, depth completion provides more accurate and reliable depth maps…

Computer Vision and Pattern Recognition · Computer Science 2023-08-17 Wolfgang Boettcher , Lukas Hoyer , Ozan Unal , Ke Li , Dengxin Dai

Depth completion is an important vision task, and many efforts have been made to enhance the quality of depth maps from sparse depth measurements. Despite significant advances, training these models to recover dense depth from sparse…

Computer Vision and Pattern Recognition · Computer Science 2025-07-22 Rizhao Fan , Zhigen Li , Heping Li , Ning An

Accurate and dense depth estimation with stereo cameras and LiDAR is an important task for automatic driving and robotic perception. While sparse hints from LiDAR points have improved cost aggregation in stereo matching, their effectiveness…

Computer Vision and Pattern Recognition · Computer Science 2024-04-12 Ang Li , Anning Hu , Wei Xi , Wenxian Yu , Danping Zou
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