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- research-articleJuly 2024
RTG-SLAM: Real-time 3D Reconstruction at Scale using Gaussian Splatting
SIGGRAPH '24: ACM SIGGRAPH 2024 Conference PapersArticle No.: 30, Pages 1–11https://doi.org/10.1145/3641519.3657455We present Real-time Gaussian SLAM (RTG-SLAM), a real-time 3D reconstruction system with an RGBD camera for large-scale environments using Gaussian splatting. The system features a compact Gaussian representation and a highly efficient on-the-fly ...
- demonstrationJune 2024
Using Depth to Enhance Video-centric Applications
IMX '24: Proceedings of the 2024 ACM International Conference on Interactive Media ExperiencesPages 439–442https://doi.org/10.1145/3639701.3661088Acquiring depth data has become easily achievable with advancements in depth sensing and depth estimation technologies. As a result, obtaining a depth stream to describe the topology of a corresponding video stream has been considerably simplified. ...
- research-articleJune 2023
"You AR' right in front of me": RGBD-based capture and rendering for remote training
MMSys '23: Proceedings of the 14th ACM Multimedia Systems ConferencePages 307–311https://doi.org/10.1145/3587819.3593936Immersive technologies such as virtual reality have enabled novel forms of education and training, where students can learn new skills in simulated environments. But some specialized training procedures, e.g. ESA-certified soldering, still involve real-...
- research-articleAugust 2022
Virtual visits: life-size immersive communication
MMSys '22: Proceedings of the 13th ACM Multimedia Systems ConferencePages 310–314https://doi.org/10.1145/3524273.3532903Elderly people in care homes face a great lack of contact with their families and loved ones. Social isolation and loneliness are detrimental factors for older people in their health condition, cognitive impairment and quality of life. We previously ...
- research-articleOctober 2020
Is Depth Really Necessary for Salient Object Detection?
MM '20: Proceedings of the 28th ACM International Conference on MultimediaPages 1745–1754https://doi.org/10.1145/3394171.3413855Salient 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 objects, which ...
- research-articleJuly 2019
RGBD Semantic Segmentation Based on Global Convolutional Network
ICRCA 2019: Proceedings of the 2019 4th International Conference on Robotics, Control and AutomationPages 192–197https://doi.org/10.1145/3351180.3351182Convolutional neural networks have gradually dominated the field of image semantic segmentation, and have achieved good results in 2D image semantic segmentation tasks. However, the 2D semantic segmentation algorithm based on CNN is still unsatisfactory ...
- research-articleSeptember 2018
Dense 3D Optical Flow Co-occurrence Matrices for Human Activity Recognition
iWOAR '18: Proceedings of the 5th International Workshop on Sensor-based Activity Recognition and InteractionArticle No.: 16, Pages 1–8https://doi.org/10.1145/3266157.3266220In this paper, a new activity recognition technique is introduced based on the gray level co-occurrence matrices (GLCM) from a 3D dense optical flow of the input RGB and Depth videos. These matrices are one of the earliest techniques used for image ...
- research-articleNovember 2015
Efficient intrinsic image decomposition for RGBD images
VRST '15: Proceedings of the 21st ACM Symposium on Virtual Reality Software and TechnologyPages 17–25https://doi.org/10.1145/2821592.2821601Intrinsic image decomposition is a longstanding problem in computer vision. In this paper, we present a novel approach for efficiently decomposing an RGBD image into its reflectance and shading components. A robust super-pixel segmentation method is ...
- research-articleSeptember 2015
A passive RGBD sensor for accurate and real-time depth sensing self-contained into an FPGA
ICDSC '15: Proceedings of the 9th International Conference on Distributed Smart CamerasPages 146–151https://doi.org/10.1145/2789116.2789148In this paper we describe the strategy adopted to design, from scratch, an embedded RGBD sensor for accurate and dense depth perception on a low-cost FPGA. This device infers, at more than 30 Hz, dense depth maps according to a state-of-the-art stereo ...
- research-articleNovember 2014
Annotating RGBD images of indoor scenes
SA '14: SIGGRAPH Asia 2014 Indoor Scene Understanding Where Graphics Meets VisionArticle No.: 1, Pages 1–5https://doi.org/10.1145/2670291.2670294Annotating RGBD images with high quality semantic annotations plays a crucial key to the advanced scene understanding and image manipulation. While the popularity of affordable RGBD sensors has eased the process to acquire RGBD images, annotating them, ...
- research-articleMay 2014
Tracking persons using a network of RGBD cameras
PETRA '14: Proceedings of the 7th International Conference on PErvasive Technologies Related to Assistive EnvironmentsArticle No.: 63, Pages 1–4https://doi.org/10.1145/2674396.2674467A computer vision system that employs an RGBD camera network to track multiple humans is presented. The acquired views are used to volumetrically and photometrically reconstruct and track the humans robustly and in real time. Given the frequent and ...