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This paper targets the task with discrete and periodic class labels ($e.g.,$ pose/orientation estimation) in the context of deep learning. The commonly used cross-entropy or regression loss is not well matched to this problem as they ignore…

Computer Vision and Pattern Recognition · Computer Science 2019-11-05 Xiaofeng Liu , Yang Zou , Tong Che , Peng Ding , Ping Jia , Jane You , Kumar B. V. K

Monocular depth estimation has drawn widespread attention from the vision community due to its broad applications. In this paper, we propose a novel physics (geometry)-driven deep learning framework for monocular depth estimation by…

Computer Vision and Pattern Recognition · Computer Science 2023-09-26 Shuwei Shao , Zhongcai Pei , Weihai Chen , Xingming Wu , Zhengguo Li

Metric depth estimation from visual sensors is crucial for robots to perceive, navigate, and interact with their environment. Traditional range imaging setups, such as stereo or structured light cameras, face hassles including calibration,…

Computer Vision and Pattern Recognition · Computer Science 2025-03-13 Blanca Lasheras-Hernandez , Klaus H. Strobl , Sergio Izquierdo , Tim Bodenmüller , Rudolph Triebel , Javier Civera

The self-supervised learning of depth and pose from monocular sequences provides an attractive solution by using the photometric consistency of nearby frames as it depends much less on the ground-truth data. In this paper, we address the…

Computer Vision and Pattern Recognition · Computer Science 2019-09-20 Tianwei Shen , Lei Zhou , Zixin Luo , Yao Yao , Shiwei Li , Jiahui Zhang , Tian Fang , Long Quan

Monocular depth estimation is a highly challenging problem that is often addressed with deep neural networks. While these are able to use recognition of image features to predict reasonably looking depth maps the result often has low metric…

Computer Vision and Pattern Recognition · Computer Science 2020-12-22 Patrik Persson , Linn Öström , Carl Olsson

Monocular 3D object detection is of great significance for autonomous driving but remains challenging. The core challenge is to predict the distance of objects in the absence of explicit depth information. Unlike regressing the distance as…

Computer Vision and Pattern Recognition · Computer Science 2022-06-30 Xuepeng Shi , Qi Ye , Xiaozhi Chen , Chuangrong Chen , Zhixiang Chen , Tae-Kyun Kim

Monocular 3D object detection poses a significant challenge due to the lack of depth information in RGB images. Many existing methods strive to enhance the object depth estimation performance by allocating additional parameters for object…

Computer Vision and Pattern Recognition · Computer Science 2024-01-03 Wonhyeok Choi , Mingyu Shin , Sunghoon Im

Monocular depth estimation (MDE) has been widely adopted in the perception systems of autonomous vehicles and mobile robots. However, existing approaches often struggle to maintain temporal consistency in depth estimation across consecutive…

Computer Vision and Pattern Recognition · Computer Science 2026-04-03 Leezy Han , Seunggyu Kim , Dongseok Shim , Hyeonbeom Lee

The squared Wasserstein distance is a natural quantity to compare probability distributions in a non-parametric setting. This quantity is usually estimated with the plug-in estimator, defined via a discrete optimal transport problem which…

Optimization and Control · Mathematics 2020-10-30 Lenaic Chizat , Pierre Roussillon , Flavien Léger , François-Xavier Vialard , Gabriel Peyré

Real-time estimation of actual environment depth is an essential module for various autonomous system tasks such as localization, obstacle detection and pose estimation. During the last decade of machine learning, extensive deployment of…

Computer Vision and Pattern Recognition · Computer Science 2022-07-11 Christoph Angermann , Adéla Moravová , Markus Haltmeier , Steinbjörn Jónsson , Christian Laubichler

The great potential of unsupervised monocular depth estimation has been demonstrated by many works due to low annotation cost and impressive accuracy comparable to supervised methods. To further improve the performance, recent works mainly…

Computer Vision and Pattern Recognition · Computer Science 2023-02-08 Junyu Zhu , Lina Liu , Yong Liu , Wanlong Li , Feng Wen , Hongbo Zhang

Depth estimation is usually ill-posed and ambiguous for monocular camera-based 3D multi-person pose estimation. Since LiDAR can capture accurate depth information in long-range scenes, it can benefit both the global localization of…

Computer Vision and Pattern Recognition · Computer Science 2022-12-01 Peishan Cong , Yiteng Xu , Yiming Ren , Juze Zhang , Lan Xu , Jingya Wang , Jingyi Yu , Yuexin Ma

Contemporary color difference (CD) measures for photographic images typically operate by comparing co-located pixels, patches in a ``perceptually uniform'' color space, or features in a learned latent space. Consequently, these measures…

Computer Vision and Pattern Recognition · Computer Science 2024-07-16 Jiaqi He , Zhihua Wang , Leon Wang , Tsein-I Liu , Yuming Fang , Qilin Sun , Kede Ma

Monocular depth estimation has been increasingly adopted in robotics and autonomous driving for its ability to infer scene geometry from a single camera. In self-supervised monocular depth estimation frameworks, the network jointly…

Computer Vision and Pattern Recognition · Computer Science 2025-09-18 Tae-Wook Um , Ki-Hyeon Kim , Hyun-Duck Choi , Hyo-Sung Ahn

This paper considers the fusion of multiple estimates of a spatially extended object, where the object extent is modeled as an ellipse parameterized by the orientation and semiaxes lengths. For this purpose, we propose a novel systematic…

Signal Processing · Electrical Eng. & Systems 2019-10-09 Kolja Thormann , Marcus Baum

Using accurate depth priors in 3D Gaussian Splatting helps mitigate artifacts caused by sparse training data and textureless surfaces. However, acquiring accurate depth maps requires specialized acquisition systems. Foundation monocular…

Computer Vision and Pattern Recognition · Computer Science 2026-04-08 Wenhui Xiao , Ethan Goan , Rodrigo Santa Cruz , David Ahmedt-Aristizabal , Olivier Salvado , Clinton Fookes , Leo Lebrat

We present an algorithm for estimating consistent dense depth maps and camera poses from a monocular video. We integrate a learning-based depth prior, in the form of a convolutional neural network trained for single-image depth estimation,…

Computer Vision and Pattern Recognition · Computer Science 2021-06-23 Johannes Kopf , Xuejian Rong , Jia-Bin Huang

We propose PuriLight, a lightweight and efficient framework for self-supervised monocular depth estimation, to address the dual challenges of computational efficiency and detail preservation. While recent advances in self-supervised depth…

Computer Vision and Pattern Recognition · Computer Science 2026-02-12 Yujie Chen , Li Zhang , Xiaomeng Chu , Tian Zhang

This paper reports a new continuous 3D loss function for learning depth from monocular images. The dense depth prediction from a monocular image is supervised using sparse LIDAR points, which enables us to leverage available open source…

Computer Vision and Pattern Recognition · Computer Science 2020-08-11 Minghan Zhu , Maani Ghaffari , Yuanxin Zhong , Pingping Lu , Zhong Cao , Ryan M. Eustice , Huei Peng

Inferring geometrically consistent dense 3D scenes across a tuple of temporally consecutive images remains challenging for self-supervised monocular depth prediction pipelines. This paper explores how the increasingly popular transformer…

Computer Vision and Pattern Recognition · Computer Science 2021-10-18 Patrick Ruhkamp , Daoyi Gao , Hanzhi Chen , Nassir Navab , Benjamin Busam