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Recently, convolutional neural networks (CNNs) have shown great success on the task of monocular depth estimation. A fundamental yet unanswered question is: how CNNs can infer depth from a single image. Toward answering this question, we…

计算机视觉与模式识别 · 计算机科学 2019-04-09 Junjie Hu , Yan Zhang , Takayuki Okatani

Learning-based multi-view stereo (MVS) has gained fine reconstructions on popular datasets. However, supervised learning methods require ground truth for training, which is hard to be collected, especially for the large-scale datasets.…

计算机视觉与模式识别 · 计算机科学 2022-03-07 Haonan Dong , Jian Yao

Learning matching costs has been shown to be critical to the success of the state-of-the-art deep stereo matching methods, in which 3D convolutions are applied on a 4D feature volume to learn a 3D cost volume. However, this mechanism has…

计算机视觉与模式识别 · 计算机科学 2020-10-29 Jianyuan Wang , Yiran Zhong , Yuchao Dai , Kaihao Zhang , Pan Ji , Hongdong Li

Monocular depth estimation provides an additional depth dimension to RGB images, making it widely applicable in various fields such as virtual reality, autonomous driving and robotic navigation. However, existing depth estimation algorithms…

计算机视觉与模式识别 · 计算机科学 2025-05-05 Jiahuan Long , Xin Zhou

Multi-view stereopsis (MVS) tries to recover the 3D model from 2D images. As the observations become sparser, the significant 3D information loss makes the MVS problem more challenging. Instead of only focusing on densely sampled…

计算机视觉与模式识别 · 计算机科学 2020-05-28 Mengqi Ji , Jinzhi Zhang , Qionghai Dai , Lu Fang

Depth estimation, as a necessary clue to convert 2D images into the 3D space, has been applied in many machine vision areas. However, to achieve an entire surrounding 360-degree geometric sensing, traditional stereo matching algorithms for…

计算机视觉与模式识别 · 计算机科学 2021-09-22 Keyang Zhou , Kailun Yang , Kaiwei Wang

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.…

计算机视觉与模式识别 · 计算机科学 2020-06-02 Uday Kusupati , Shuo Cheng , Rui Chen , Hao Su

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…

计算机视觉与模式识别 · 计算机科学 2017-08-09 Bo Li , Yuchao Dai , Mingyi He

Disparity/depth estimation from sequences of stereo images is an important element in 3D vision. Owing to occlusions, imperfect settings and homogeneous luminance, accurate estimate of depth remains a challenging problem. Targetting view…

图像与视频处理 · 电气工程与系统科学 2020-03-17 Nantheera Anantrasirichai , Majid Geravand , David Braendler , David R. Bull

In this study, we propose a high-performance disparity (depth) estimation method using dual-pixel (DP) images with few parameters. Conventional end-to-end deep-learning methods have many parameters but do not fully exploit disparity…

计算机视觉与模式识别 · 计算机科学 2024-11-08 Teppei Kurita , Yuhi Kondo , Legong Sun , Takayuki Sasaki , Sho Nitta , Yasuhiro Hashimoto , Yoshinori Muramatsu , Yusuke Moriuchi

This paper presents how we can achieve the state-of-the-art accuracy in multi-category object detection task while minimizing the computational cost by adapting and combining recent technical innovations. Following the common pipeline of…

计算机视觉与模式识别 · 计算机科学 2016-10-03 Kye-Hyeon Kim , Sanghoon Hong , Byungseok Roh , Yeongjae Cheon , Minje Park

Existing neural networks proposed for low-level image processing tasks are usually implemented by stacking convolution layers with limited kernel size. Every convolution layer merely involves in context information from a small local…

计算机视觉与模式识别 · 计算机科学 2020-10-28 Feida Zhu , Chaowei Fang , Kai-Kuang Ma

We present a method to estimate dense depth by optimizing a sparse set of points such that their diffusion into a depth map minimizes a multi-view reprojection error from RGB supervision. We optimize point positions, depths, and weights…

计算机视觉与模式识别 · 计算机科学 2021-06-30 Numair Khan , Min H. Kim , James Tompkin

Monocular depth estimation (MDE) methods are often either too computationally expensive or not accurate enough due to the trade-off between model complexity and inference performance. In this paper, we propose a lightweight network that can…

计算机视觉与模式识别 · 计算机科学 2023-04-18 Junjie Hu , Chenyou Fan , Hualie Jiang , Xiyue Guo , Yuan Gao , Xiangyong Lu , Tin Lun Lam

Non-contact volume estimation of pile-type objects has considerable potential in industrial scenarios, including grain, coal, mining, and stone materials. However, using existing method for these scenarios is challenged by unstable…

计算机视觉与模式识别 · 计算机科学 2024-07-09 Yiran Ling , Rongqiang Zhao , Yixuan Shen , Dongbo Li , Jing Jin , Jie Liu

Depth from a monocular video can enable billions of devices and robots with a single camera to see the world in 3D. In this paper, we present an approach with a differentiable flow-to-depth layer for video depth estimation. The model…

计算机视觉与模式识别 · 计算机科学 2020-03-04 Jiaxin Xie , Chenyang Lei , Zhuwen Li , Li Erran Li , Qifeng Chen

The completeness of 3D models is still a challenging problem in multi-view stereo (MVS) due to the unreliable photometric consistency in low-textured areas. Since low-textured areas usually exhibit strong planarity, planar models are…

计算机视觉与模式识别 · 计算机科学 2019-12-30 Qingshan Xu , Wenbing Tao

Depth-aware video panoptic segmentation tackles the inverse projection problem of restoring panoptic 3D point clouds from video sequences, where the 3D points are augmented with semantic classes and temporally consistent instance…

计算机视觉与模式识别 · 计算机科学 2022-10-17 Andra Petrovai , Sergiu Nedevschi

We present a generic framework for scale-aware direct monocular odometry based on depth prediction from a deep neural network. In contrast with previous methods where depth information is only partially exploited, we formulate a novel depth…

机器人学 · 计算机科学 2022-07-25 Carlos Campos , Juan D. Tardós

This paper presents a novel self-supervised two-frame multi-camera metric depth estimation network, termed M${^2}$Depth, which is designed to predict reliable scale-aware surrounding depth in autonomous driving. Unlike the previous works…

计算机视觉与模式识别 · 计算机科学 2024-05-06 Yingshuang Zou , Yikang Ding , Xi Qiu , Haoqian Wang , Haotian Zhang