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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…

计算机视觉与模式识别 · 计算机科学 2024-10-28 Bryan Krauss , Gregory Schroeder , Marko Gustke , Ahmed Hussein

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…

计算机视觉与模式识别 · 计算机科学 2018-07-04 Fangchang Ma , Guilherme Venturelli Cavalheiro , Sertac Karaman

Given the lidar measurements from an autonomous vehicle, we can project the points and generate a sparse depth image. Depth completion aims at increasing the resolution of such a depth image by infilling and interpolating the sparse depth…

计算机视觉与模式识别 · 计算机科学 2024-06-18 Pietari Kaskela , Philipp Fischer , Timo Roman

Sparse depth measurements are widely available in many applications such as augmented reality, visual inertial odometry and robots equipped with low cost depth sensors. Although such sparse depth samples work well for certain applications…

计算机视觉与模式识别 · 计算机科学 2021-12-13 Bing Zhou , Matias Aiskovich , Sinem Guven

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…

计算机视觉与模式识别 · 计算机科学 2019-02-15 Wouter Van Gansbeke , Davy Neven , Bert De Brabandere , Luc Van Gool

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…

计算机视觉与模式识别 · 计算机科学 2019-10-16 Yan Xu , Xinge Zhu , Jianping Shi , Guofeng Zhang , Hujun Bao , Hongsheng Li

We present a deep model that can accurately produce dense depth maps given an RGB image with known depth at a very sparse set of pixels. The model works simultaneously for both indoor/outdoor scenes and produces state-of-the-art dense depth…

计算机视觉与模式识别 · 计算机科学 2018-12-11 Zhao Chen , Vijay Badrinarayanan , Gilad Drozdov , Andrew Rabinovich

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,…

计算机视觉与模式识别 · 计算机科学 2020-02-21 Zixuan Huang , Junming Fan , Shenggan Cheng , Shuai Yi , Xiaogang Wang , Hongsheng Li

In this paper, we propose a deep learning architecture that produces accurate dense depth for the outdoor scene from a single color image and a sparse depth. Inspired by the indoor depth completion, our network estimates surface normals as…

计算机视觉与模式识别 · 计算机科学 2019-04-11 Jiaxiong Qiu , Zhaopeng Cui , Yinda Zhang , Xingdi Zhang , Shuaicheng Liu , Bing Zeng , Marc Pollefeys

Near field depth estimation around a self driving car is an important function that can be achieved by four wide angle fisheye cameras having a field of view of over 180. Depth estimation based on convolutional neural networks (CNNs)…

计算机视觉与模式识别 · 计算机科学 2018-09-25 Varun Ravi Kumar , Stefan Milz , Martin Simon , Christian Witt , Karl Amende , Johannes Petzold , Senthil Yogamani , Timo Pech

Predicting accurate depth with monocular images is important for low-cost robotic applications and autonomous driving. This study proposes a comprehensive self-supervised framework for accurate scale-aware depth prediction on autonomous…

计算机视觉与模式识别 · 计算机科学 2023-04-24 Yuxuan Liu , Zhenhua Xu , Huaiyang Huang , Lujia Wang , Ming Liu

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…

计算机视觉与模式识别 · 计算机科学 2021-08-31 Jiaqi Gu , Zhiyu Xiang , Yuwen Ye , Lingxuan Wang

Depth estimation is a cornerstone of a vast number of applications requiring 3D assessment of the environment, such as robotics, augmented reality, and autonomous driving to name a few. One prominent technique for depth estimation is stereo…

计算机视觉与模式识别 · 计算机科学 2021-12-16 Amit Bracha , Noam Rotstein , David Bensaïd , Ron Slossberg , Ron Kimmel

The dense depth estimation of a 3D scene has numerous applications, mainly in robotics and surveillance. LiDAR and radar sensors are the hardware solution for real-time depth estimation, but these sensors produce sparse depth maps and are…

计算机视觉与模式识别 · 计算机科学 2021-03-02 Alwyn Mathew , Aditya Prakash Patra , Jimson Mathew

Learning depth and camera ego-motion from raw unlabeled RGB video streams is seeing exciting progress through self-supervision from strong geometric cues. To leverage not only appearance but also scene geometry, we propose a novel…

计算机视觉与模式识别 · 计算机科学 2019-11-20 Rares Ambrus , Vitor Guizilini , Jie Li , Sudeep Pillai , Adrien Gaidon

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.…

计算机视觉与模式识别 · 计算机科学 2024-04-23 Moyun Liu , Bing Chen , Youping Chen , Jingming Xie , Lei Yao , Yang Zhang , Joey Tianyi Zhou

Depth perception is pivotal in many fields, such as robotics and autonomous driving, to name a few. Consequently, depth sensors such as LiDARs rapidly spread in many applications. The 3D point clouds generated by these sensors must often be…

计算机视觉与模式识别 · 计算机科学 2022-10-07 Andrea Conti , Matteo Poggi , Filippo Aleotti , Stefano Mattoccia

Dynamic scenes that contain both object motion and egomotion are a challenge for monocular visual odometry (VO). Another issue with monocular VO is the scale ambiguity, i.e. these methods cannot estimate scene depth and camera motion in…

计算机视觉与模式识别 · 计算机科学 2020-08-31 Hirak J Kashyap , Charless Fowlkes , Jeffrey L Krichmar

Depth and ego-motion estimations are essential for the localization and navigation of autonomous robots and autonomous driving. Recent studies make it possible to learn the per-pixel depth and ego-motion from the unlabeled monocular video.…

计算机视觉与模式识别 · 计算机科学 2022-06-09 Guangming Wang , Jiquan Zhong , Shijie Zhao , Wenhua Wu , Zhe Liu , Hesheng Wang

This paper addresses the problem of single image depth estimation (SIDE), focusing on improving the quality of deep neural network predictions. In a supervised learning scenario, the quality of predictions is intrinsically related to the…

计算机视觉与模式识别 · 计算机科学 2020-02-10 Nícolas Rosa , Vitor Guizilini , Valdir Grassi
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