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Depth images captured by off-the-shelf RGB-D cameras suffer from much stronger noise than color images. In this paper, we propose a method to denoise the depth images in RGB-D images by color-guided graph filtering. Our iterative method…

Image and Video Processing · Electrical Eng. & Systems 2020-04-01 Qiwei Huang , Ruikang Li , Zidong Jiang , Wei Feng , Sijie Lin , Hui Feng , Bo Hu

We show that it is possible to learn semantic segmentation from very limited amounts of manual annotations, by enforcing geometric 3D constraints between multiple views. More exactly, image locations corresponding to the same physical 3D…

Computer Vision and Pattern Recognition · Computer Science 2019-01-10 Sinisa Stekovic , Friedrich Fraundorfer , Vincent Lepetit

Face representation learning solutions have recently achieved great success for various applications such as verification and identification. However, face recognition approaches that are based purely on RGB images rely solely on intensity…

Computer Vision and Pattern Recognition · Computer Science 2021-04-06 Hardik Uppal , Alireza Sepas-Moghaddam , Michael Greenspan , Ali Etemad

This article describes a technique to augment a typical RGBD sensor by integrating depth estimates obtained via Structure-from-Motion (SfM) with sensor depth measurements. Limitations in the RGBD depth sensing technology prevent capturing…

Computer Vision and Pattern Recognition · Computer Science 2021-03-12 Akash Chandrashekar , John Papadakis , Andrew Willis , Jamie Gantert

Convolutional neural networks (CNN) are limited by the lack of capability to handle geometric information due to the fixed grid kernel structure. The availability of depth data enables progress in RGB-D semantic segmentation with CNNs.…

Computer Vision and Pattern Recognition · Computer Science 2018-03-20 Weiyue Wang , Ulrich Neumann

This paper is concerned with the problem of how to better exploit 3D geometric information for dense semantic image labeling. Existing methods often treat the available 3D geometry information (e.g., 3D depth-map) simply as an additional…

Computer Vision and Pattern Recognition · Computer Science 2018-08-14 Yiran Zhong , Yuchao Dai , Hongdong Li

The ability to endow maps of indoor scenes with semantic information is an integral part of robotic agents which perform different tasks such as target driven navigation, object search or object rearrangement. The state-of-the-art methods…

Computer Vision and Pattern Recognition · Computer Science 2022-10-06 Sulabh Shrestha , Yimeng Li , Jana Kosecka

RGB-D salient object detection (SOD) is usually formulated as a problem of classification or regression over two modalities, i.e., RGB and depth. Hence, effective RGBD feature modeling and multi-modal feature fusion both play a vital role…

Computer Vision and Pattern Recognition · Computer Science 2021-03-23 Peng Sun , Wenhu Zhang , Huanyu Wang , Songyuan Li , Xi Li

A vast majority of augmented reality devices come equipped with depth and color cameras. Despite their advantages, extracting both photometric and depth features simultaneously in real-time remains challenging due to inherent differences…

Computer Vision and Pattern Recognition · Computer Science 2026-03-09 Mehfuz A Rahman , Khushal Das , Jiju Poovvancheri , Neil London , Dong Chen

Remote sensing semantic segmentation is crucial for extracting detailed land surface information, enabling applications such as environmental monitoring, land use planning, and resource assessment. In recent years, advancements in…

Computer Vision and Pattern Recognition · Computer Science 2025-06-18 Ning Zhou , Shanxiong Chen , Mingting Zhou , Haigang Sui , Lieyun Hu , Han Li , Li Hua , Qiming Zhou

Semantic segmentation of point clouds, aiming to assign each point a semantic category, is critical to 3D scene understanding.Despite of significant advances in recent years, most of existing methods still suffer from either the…

Computer Vision and Pattern Recognition · Computer Science 2023-06-02 Chen Chen , Yisen Wang , Honghua Chen , Xuefeng Yan , Dayong Ren , Yanwen Guo , Haoran Xie , Fu Lee Wang , Mingqiang Wei

We tackle the problem of using 3D information in convolutional neural networks for down-stream recognition tasks. Using depth as an additional channel alongside the RGB input has the scale variance problem present in image convolution based…

Computer Vision and Pattern Recognition · Computer Science 2018-12-05 Hang Chu , Wei-Chiu Ma , Kaustav Kundu , Raquel Urtasun , Sanja Fidler

Indoor semantic segmentation has always been a difficult task in computer vision. In this paper, we propose an RGB-D residual encoder-decoder architecture, named RedNet, for indoor RGB-D semantic segmentation. In RedNet, the residual module…

Computer Vision and Pattern Recognition · Computer Science 2018-08-07 Jindong Jiang , Lunan Zheng , Fei Luo , Zhijun Zhang

Recovering the radiometric properties of a scene (i.e., the reflectance, illumination, and geometry) is a long-sought ability of computer vision that can provide invaluable information for a wide range of applications. Deciphering the…

Computer Vision and Pattern Recognition · Computer Science 2016-04-06 Stephen Lombardi , Ko Nishino

As a core step in structure-from-motion and SLAM, robust feature detection and description under challenging scenarios such as significant viewpoint changes remain unresolved despite their ubiquity. While recent works have identified the…

Computer Vision and Pattern Recognition · Computer Science 2025-12-09 Gonglin Chen , Tianwen Fu , Haiwei Chen , Wenbin Teng , Hanyuan Xiao , Yajie Zhao

Point cloud registration aims at estimating the geometric transformation between two point cloud scans, in which point-wise correspondence estimation is the key to its success. In addition to previous methods that seek correspondences by…

Computer Vision and Pattern Recognition · Computer Science 2022-09-02 Ziming Wang , Xiaoliang Huo , Zhenghao Chen , Jing Zhang , Lu Sheng , Dong Xu

Intrinsic image decomposition is an important and long-standing computer vision problem. Given an input image, recovering the physical scene properties is ill-posed. Several physically motivated priors have been used to restrict the…

Computer Vision and Pattern Recognition · Computer Science 2022-09-27 Zongji Wang , Yunfei Liu , Feng Lu

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

Skull stripping is usually the first step for most brain analysisprocess in magnetic resonance images. A lot of deep learn-ing neural network based methods have been developed toachieve higher accuracy. Since the 3D deep learning…

Image and Video Processing · Electrical Eng. & Systems 2019-10-25 Zhen Liu , Borui Xiao , Yuemeng Li , Yong Fan

4D panoptic segmentation is a challenging but practically useful task that requires every point in a LiDAR point-cloud sequence to be assigned a semantic class label, and individual objects to be segmented and tracked over time. Existing…

Computer Vision and Pattern Recognition · Computer Science 2023-11-21 Ali Athar , Enxu Li , Sergio Casas , Raquel Urtasun