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In an effort to increase the capabilities of SLAM systems and produce object-level representations, the community increasingly investigates the imposition of higher-level priors into the estimation process. One such example is given by…

Computer Vision and Pattern Recognition · Computer Science 2019-12-10 Lan Hu , Wanting Xu , Kun Huang , Laurent Kneip

Focus based methods have shown promising results for the task of depth estimation. However, most existing focus based depth estimation approaches depend on maximal sharpness of the focal stack. Out of focus information in the focal stack…

Computer Vision and Pattern Recognition · Computer Science 2021-04-14 Yongri Piao , Yukun Zhang , Miao Zhang , Xinxin Ji

Accurate depth estimation remains an open problem for robotic manipulation; even state of the art techniques including structured light and LiDAR sensors fail on reflective or transparent surfaces. We address this problem by training a…

Computer Vision and Pattern Recognition · Computer Science 2020-06-17 Ben Goodrich , Alex Kuefler , William D. Richards

In the realm of future home-assistant robots, 3D articulated object manipulation is essential for enabling robots to interact with their environment. Many existing studies make use of 3D point clouds as the primary input for manipulation…

Robotics · Computer Science 2023-10-16 Xiaoqi Li , Yanzi Wang , Yan Shen , Ponomarenko Iaroslav , Haoran Lu , Qianxu Wang , Boshi An , Jiaming Liu , Hao Dong

The perception of transparent objects for grasp and manipulation remains a major challenge, because existing robotic grasp methods which heavily rely on depth maps are not suitable for transparent objects due to their unique visual…

Computer Vision and Pattern Recognition · Computer Science 2024-05-27 Yifan Zhou , Wanli Peng , Zhongyu Yang , He Liu , Yi Sun

Dense depth maps have been used as a key element of visual perception tasks. There have been tremendous efforts to enhance the depth quality, ranging from optimization-based to learning-based methods. Despite the remarkable progress for a…

Computer Vision and Pattern Recognition · Computer Science 2024-05-21 Jin-Hwi Park , Chanhwi Jeong , Junoh Lee , Hae-Gon Jeon

Indoor robots rely on depth to perform tasks like navigation or obstacle detection, and single-image depth estimation is widely used to assist perception. Most indoor single-image depth prediction focuses less on model generalizability to…

Computer Vision and Pattern Recognition · Computer Science 2024-09-05 Cho-Ying Wu , Yiqi Zhong , Junying Wang , Ulrich Neumann

There is an emerging trend of using neural implicit functions for map representation in Simultaneous Localization and Mapping (SLAM). Some pioneer works have achieved encouraging results on RGB-D SLAM. In this paper, we present a dense RGB…

Computer Vision and Pattern Recognition · Computer Science 2023-02-21 Heng Li , Xiaodong Gu , Weihao Yuan , Luwei Yang , Zilong Dong , Ping Tan

6D object pose estimation is widely applied in robotic tasks such as grasping and manipulation. Prior methods using RGB-only images are vulnerable to heavy occlusion and poor illumination, so it is important to complement them with depth…

Computer Vision and Pattern Recognition · Computer Science 2021-04-07 Yi Cheng , Hongyuan Zhu , Ying Sun , Cihan Acar , Wei Jing , Yan Wu , Liyuan Li , Cheston Tan , Joo-Hwee Lim

Existing depth sensors are imperfect and may provide inaccurate depth values in challenging scenarios, such as in the presence of transparent or reflective objects. In this work, we present a general framework that leverages polarization…

Computer Vision and Pattern Recognition · Computer Science 2024-04-09 Kei Ikemura , Yiming Huang , Felix Heide , Zhaoxiang Zhang , Qifeng Chen , Chenyang Lei

Due to the optical properties, transparent objects often lead depth cameras to generate incomplete or invalid depth data, which in turn reduces the accuracy and reliability of robotic grasping. Existing approaches typically input the RGB-D…

Computer Vision and Pattern Recognition · Computer Science 2026-03-26 Yaofeng Cheng , Xinkai Gao , Sen Zhang , Chao Zeng , Fusheng Zha , Lining Sun , Chenguang Yang

We consider the problem of human pose estimation. While much recent work has focused on the RGB domain, these techniques are inherently under-constrained since there can be many 3D configurations that explain the same 2D projection. To this…

Computer Vision and Pattern Recognition · Computer Science 2019-11-19 Ren Li , Changjiang Cai , Georgios Georgakis , Srikrishna Karanam , Terrence Chen , Ziyan Wu

Recent advancements in reinforcement learning (RL) have led to remarkable achievements in robot locomotion capabilities. However, the complexity and ``black-box'' nature of neural network-based RL policies hinder their interpretability and…

Robotics · Computer Science 2024-03-22 Fernando Acero , Zhibin Li

Glass surfaces are becoming increasingly ubiquitous as modern buildings tend to use a lot of glass panels. This, however, poses substantial challenges to the operations of autonomous systems such as robots, self-driving cars, and drones, as…

Computer Vision and Pattern Recognition · Computer Science 2024-12-17 Jiaying Lin , Yuen-Hei Yeung , Shuquan Ye , Rynson W. H. Lau

Image-guided depth completion aims at generating a dense depth map from sparse LiDAR data and RGB image. Recent methods have shown promising performance by reformulating it as a classification problem with two sub-tasks: depth…

Computer Vision and Pattern Recognition · Computer Science 2024-05-16 Zhiwen Yang , Jiehua Zhang , Liang Li , Chenggang Yan , Yaoqi Sun , Haibing Yin

The increasing adoption of human-robot interaction presents opportunities for technology to positively impact lives, particularly those with visual impairments, through applications such as guide-dog-like assistive robotics. We present a…

Robotics · Computer Science 2024-08-27 Adam Scicluna , Cedric Le Gentil , Sheila Sutjipto , Gavin Paul

Salient object detection (SOD) is a crucial and preliminary task for many computer vision applications, which have made progress with deep CNNs. Most of the existing methods mainly rely on the RGB information to distinguish the salient…

Computer Vision and Pattern Recognition · Computer Science 2020-06-03 Jiawei Zhao , Yifan Zhao , Jia Li , Xiaowu Chen

Semi-Supervised Instance Segmentation (SSIS) aims to leverage an amount of unlabeled data during training. Previous frameworks primarily utilized the RGB information of unlabeled images to generate pseudo-labels. However, such a mechanism…

Computer Vision and Pattern Recognition · Computer Science 2024-06-26 Xin Chen , Jie Hu , Xiawu Zheng , Jianghang Lin , Liujuan Cao , Rongrong Ji

We propose a model-free deep reinforcement learning method that leverages a small amount of demonstration data to assist a reinforcement learning agent. We apply this approach to robotic manipulation tasks and train end-to-end visuomotor…

Accurate three-dimensional perception is essential for modern industrial robotic systems that perform manipulation, inspection, and navigation tasks. RGB-D and stereo vision sensors are widely used for this purpose, but the depth maps they…

Computer Vision and Pattern Recognition · Computer Science 2025-12-10 Tony Salloom , Dandi Zhou , Xinhai Sun