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Depth estimation provides essential information to perform autonomous driving and driver assistance. Especially, Monocular Depth Estimation is interesting from a practical point of view, since using a single camera is cheaper than many…

Computer Vision and Pattern Recognition · Computer Science 2018-09-13 Akhil Gurram , Onay Urfalioglu , Ibrahim Halfaoui , Fahd Bouzaraa , Antonio M. Lopez

The main function of depth completion is to compensate for an insufficient and unpredictable number of sparse depth measurements of hardware sensors. However, existing research on depth completion assumes that the sparsity -- the number of…

Computer Vision and Pattern Recognition · Computer Science 2024-05-01 Jinyoung Jun , Jae-Han Lee , Chang-Su Kim

Monocular depth estimation is an interesting and challenging problem as there is no analytic mapping known between an intensity image and its depth map. Recently there has been a lot of data accumulated through depth-sensing cameras, in…

Computer Vision and Pattern Recognition · Computer Science 2016-06-28 Yigit Oktar

Consumer-level depth cameras and depth sensors embedded in mobile devices enable numerous applications, such as AR games and face identification. However, the quality of the captured depth is sometimes insufficient for 3D reconstruction,…

Computer Vision and Pattern Recognition · Computer Science 2024-07-22 Akhmedkhan Shabanov , Ilya Krotov , Nikolay Chinaev , Vsevolod Poletaev , Sergei Kozlukov , Igor Pasechnik , Bulat Yakupov , Artsiom Sanakoyeu , Vadim Lebedev , Dmitry Ulyanov

For monocular depth estimation, acquiring ground truths for real data is not easy, and thus domain adaptation methods are commonly adopted using the supervised synthetic data. However, this may still incur a large domain gap due to the lack…

Computer Vision and Pattern Recognition · Computer Science 2022-09-20 Yu-Ting Yen , Chia-Ni Lu , Wei-Chen Chiu , Yi-Hsuan Tsai

In this paper we consider the task of image-guided depth completion where our system must infer the depth at every pixel of an input image based on the image content and a sparse set of depth measurements. We propose a novel approach that…

Computer Vision and Pattern Recognition · Computer Science 2019-12-24 Chao Qu , Ty Nguyen , Camillo J. Taylor

Supervised learning depth estimation methods can achieve good performance when trained on high-quality ground-truth, like LiDAR data. However, LiDAR can only generate sparse 3D maps which causes losing information. Obtaining high-quality…

Computer Vision and Pattern Recognition · Computer Science 2022-07-14 Hao Xing , Yifan Cao , Maximilian Biber , Mingchuan Zhou , Darius Burschka

This work considers the problem of depth completion, with or without image data, where an algorithm may measure the depth of a prescribed limited number of pixels. The algorithmic challenge is to choose pixel positions strategically and…

Computer Vision and Pattern Recognition · Computer Science 2021-11-10 Eyal Gofer , Shachar Praisler , Guy Gilboa

Scene Parsing is a crucial step to enable autonomous systems to understand and interact with their surroundings. Supervised deep learning methods have made great progress in solving scene parsing problems, however, come at the cost of…

Computer Vision and Pattern Recognition · Computer Science 2019-03-26 Keng-Chi Liu , Yi-Ting Shen , Jan P. Klopp , Liang-Gee Chen

Depth estimation from images serves as the fundamental step of 3D perception for autonomous driving and is an economical alternative to expensive depth sensors like LiDAR. The temporal photometric constraints enables self-supervised depth…

Computer Vision and Pattern Recognition · Computer Science 2022-09-21 Yi Wei , Linqing Zhao , Wenzhao Zheng , Zheng Zhu , Yongming Rao , Guan Huang , Jiwen Lu , Jie Zhou

Obtaining accurate depth measurements out of a single image represents a fascinating solution to 3D sensing. CNNs led to considerable improvements in this field, and recent trends replaced the need for ground-truth labels with…

Computer Vision and Pattern Recognition · Computer Science 2018-08-07 Matteo Poggi , Fabio Tosi , Stefano Mattoccia

Self-supervised learning is showing great promise for monocular depth estimation, using geometry as the only source of supervision. Depth networks are indeed capable of learning representations that relate visual appearance to 3D properties…

Computer Vision and Pattern Recognition · Computer Science 2020-02-28 Vitor Guizilini , Rui Hou , Jie Li , Rares Ambrus , Adrien Gaidon

Blur detection aims at segmenting the blurred areas of a given image. Recent deep learning-based methods approach this problem by learning an end-to-end mapping between the blurred input and a binary mask representing the localization of…

Computer Vision and Pattern Recognition · Computer Science 2019-08-29 Aitor Alvarez-Gila , Adrian Galdran , Estibaliz Garrote , Joost van de Weijer

Deep-learning methods have recently started being employed for addressing surface-defect detection problems in industrial quality control. However, with a large amount of data needed for learning, often requiring high-precision labels, many…

Computer Vision and Pattern Recognition · Computer Science 2021-04-21 Jakob Božič , Domen Tabernik , Danijel Skočaj

The field of self-supervised monocular depth estimation has seen huge advancements in recent years. Most methods assume stereo data is available during training but usually under-utilize it and only treat it as a reference signal. We…

Computer Vision and Pattern Recognition · Computer Science 2019-05-02 Matan Goldman , Tal Hassner , Shai Avidan

Monocular depth estimation is often described as an ill-posed and inherently ambiguous problem. Estimating depth from 2D images is a crucial step in scene reconstruction, 3Dobject recognition, segmentation, and detection. The problem can be…

Computer Vision and Pattern Recognition · Computer Science 2019-01-29 Amlaan Bhoi

In this work we study the mutual benefits of two common computer vision tasks, self-supervised depth estimation and semantic segmentation from images. For example, to help unsupervised monocular depth estimation, constraints from semantic…

Computer Vision and Pattern Recognition · Computer Science 2020-04-02 Shengjie Zhu , Garrick Brazil , Xiaoming Liu

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

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

Depth maps produced by consumer-grade sensors suffer from inaccurate measurements and missing data from either system or scene-specific sources. Data-driven denoising algorithms can mitigate such problems. However, they require vast amounts…

Computer Vision and Pattern Recognition · Computer Science 2024-07-04 Alexandre Duarte , Francisco Fernandes , João M. Pereira , Catarina Moreira , Jacinto C. Nascimento , Joaquim Jorge