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Depth estimation attracts widespread attention in the computer vision community. However, it is still quite difficult to recover an accurate depth map using only one RGB image. We observe a phenomenon that existing methods tend to fail in…

Computer Vision and Pattern Recognition · Computer Science 2023-09-26 Shuwei Shao , Ran Li , Zhongcai Pei , Zhong Liu , Weihai Chen , Wentao Zhu , Xingming Wu , Baochang Zhang

Establishing robust and accurate correspondences between a pair of images is a long-standing computer vision problem with numerous applications. While classically dominated by sparse methods, emerging dense approaches offer a compelling…

Computer Vision and Pattern Recognition · Computer Science 2021-09-30 Prune Truong , Martin Danelljan , Radu Timofte , Luc Van Gool

In this paper, we propose a new global geometry constraint for depth completion. By assuming depth maps often lay on low dimensional subspaces, a dense depth map can be approximated by a weighted sum of full-resolution principal depth…

Computer Vision and Pattern Recognition · Computer Science 2020-12-03 Yiran Zhong , Yuchao Dai , Hongdong Li

The raw depth image captured by the indoor depth sensor usually has an extensive range of missing depth values due to inherent limitations such as the inability to perceive transparent objects and limited distance range. The incomplete…

Computer Vision and Pattern Recognition · Computer Science 2022-03-22 Haowen Wang , Mingyuan Wang , Zhengping Che , Zhiyuan Xu , Xiuquan Qiao , Mengshi Qi , Feifei Feng , Jian Tang

Clinical measurement of a patient's axial eye length is emerging as a crucial approach to track progression and monitor management of myopia. However, the preferred method for such measurements is swept-source OCT, whose cost prohibits…

3D perception ability is crucial for generalizable robotic manipulation. While recent foundation models have made significant strides in perception and decision-making with RGB-based input, their lack of 3D perception limits their…

Robotics · Computer Science 2024-08-12 Xincheng Pang , Wenke Xia , Zhigang Wang , Bin Zhao , Di Hu , Dong Wang , Xuelong Li

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…

Computer Vision and Pattern Recognition · Computer Science 2024-11-08 Teppei Kurita , Yuhi Kondo , Legong Sun , Takayuki Sasaki , Sho Nitta , Yasuhiro Hashimoto , Yoshinori Muramatsu , Yusuke Moriuchi

Depth completion is a key task in autonomous driving, aiming to complete sparse LiDAR depth measurements into high-quality dense depth maps through image guidance. However, existing methods usually treat depth maps as an additional channel…

Computer Vision and Pattern Recognition · Computer Science 2025-01-15 Kuang Zhu , Xingli Gan , Min Sun

To predict high-resolution (HR) omnidirectional depth map, existing methods typically leverage HR omnidirectional image (ODI) as the input via fully-supervised learning. However, in practice, taking HR ODI as input is undesired due to…

Computer Vision and Pattern Recognition · Computer Science 2024-05-24 Zidong Cao , Hao Ai , Athanasios V. Vasilakos , Lin Wang

Recently, deep learning-based compressive imaging (DCI) has surpassed the conventional compressive imaging in reconstruction quality and faster running time. While multi-scale has shown superior performance over single-scale, research in…

Image and Video Processing · Electrical Eng. & Systems 2020-08-04 Thuong Nguyen Canh , Byeungwoo Jeon

Omnidirectional depth perception is essential for mobile robotics applications that require scene understanding across a full 360{\deg} field of view. Camera-based setups offer a cost-effective option by using stereo depth estimation to…

Computer Vision and Pattern Recognition · Computer Science 2025-10-29 Jannik Endres , Oliver Hahn , Charles Corbière , Simone Schaub-Meyer , Stefan Roth , Alexandre Alahi

Depth completion is crucial for many robotic tasks such as autonomous driving, 3-D reconstruction, and manipulation. Despite the significant progress, existing methods remain computationally intensive and often fail to meet the real-time…

Computer Vision and Pattern Recognition · Computer Science 2023-08-01 Tianan Li , Zhehan Chen , Huan Liu , Chen Wang

We aim at predicting a complete and high-resolution depth map from incomplete, sparse and noisy depth measurements. Existing methods handle this problem either by exploiting various regularizations on the depth maps directly or resorting to…

Computer Vision and Pattern Recognition · Computer Science 2017-11-28 Liyuan Pan , Yuchao Dai , Miaomiao Liu , Fatih Porikli

The increasing computational requirements of deep neural networks (DNNs) have led to significant interest in obtaining DNN models that are sparse, yet accurate. Recent work has investigated the even harder case of sparse training, where the…

Machine Learning · Computer Science 2021-12-16 Alexandra Peste , Eugenia Iofinova , Adrian Vladu , Dan Alistarh

Perspective distortion (PD) leads to substantial alterations in the shape, size, orientation, angles, and spatial relationships of visual elements in images. Accurately determining camera intrinsic and extrinsic parameters is challenging,…

Computer Vision and Pattern Recognition · Computer Science 2024-10-10 Meenakshi Subhash Chippa , Prakash Chandra Chhipa , Kanjar De , Marcus Liwicki , Rajkumar Saini

Open-set semantic mapping enables language-driven robotic perception, but current instance-centric approaches are bottlenecked by context-depriving and computationally expensive crop-based feature extraction. To overcome this fundamental…

Computer Vision and Pattern Recognition · Computer Science 2026-03-05 Felix Igelbrink , Lennart Niecksch , Martin Atzmueller , Joachim Hertzberg

Depth cameras are a prominent perception system for robotics, especially when operating in natural unstructured environments. Industrial applications, however, typically involve reflective objects under harsh lighting conditions, a…

Computer Vision and Pattern Recognition · Computer Science 2020-08-19 Yuri Feldman , Yoel Shapiro , Dotan Di Castro

Model reduction is essential for real-time simulation of deformable objects. Linear techniques such as PCA provide structured and predictable behavior, but their limited expressiveness restricts accuracy under large or nonlinear…

Graphics · Computer Science 2026-01-28 Shixun Huang , Eitan Grinspun , Yue Chang

Data condensation techniques aim to synthesize a compact dataset from a larger one to enable efficient model training, yet while successful in unimodal settings, they often fail in multimodal scenarios where preserving intricate inter-modal…

Computer Vision and Pattern Recognition · Computer Science 2025-11-12 Yue Min , Shaobo Wang , Jiaze Li , Tianle Niu , Junxin Fan , Yongliang Miao , Lijin Yang , Linfeng Zhang

Autonomous field robots operating in unstructured environments require robust perception to ensure safe and reliable operations. Recent advances in monocular depth estimation have demonstrated the potential of low-cost cameras as depth…

Robotics · Computer Science 2026-05-21 Marco Job , Thomas Stastny , Eleni Kelasidi , Roland Siegwart , Michael Pantic