A Real-Time Diminished Reality Approach to Privacy in MR Collaboration
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arXiv
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| Format: | Preprint |
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2025
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| _version_ | 1866909785697288192 |
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| author | Fane, Christian |
| author_facet | Fane, Christian |
| contents | Diminished reality (DR) refers to the digital removal of real-world objects by compositing background content in their place. This thesis presents a real-time, inpainting-based DR system designed to enable privacy control in shared-space mixed reality (MR) meetings. The system allows a primary headset user to selectively remove personal or sensitive items from their environment, ensuring that those objects are no longer visible to other participants. Removal is achieved through semantic segmentation and precise object selection, followed by real-time inpainting from the viewpoint of a secondary observer, implemented using a mobile ZED 2i depth camera. The solution is designed to be portable and robust, requiring neither a fixed secondary viewpoint nor prior 3D scanning of the environment. The system utilises YOLOv11 for object detection and a modified Decoupled Spatial-Temporal Transformer (DSTT) model for high-quality video inpainting. At 720p resolution, the pipeline sustains frame rates exceeding 20 fps, demonstrating the feasibility of real-time diminished reality for practical privacy-preserving MR applications. |
| format | Preprint |
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arxiv_https___arxiv_org_abs_2509_10466 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | A Real-Time Diminished Reality Approach to Privacy in MR Collaboration Fane, Christian Computer Vision and Pattern Recognition Human-Computer Interaction H.5.1; H.5.2; I.4.6; I.4.4; I.2.10; I.4.9; K.4.1 Diminished reality (DR) refers to the digital removal of real-world objects by compositing background content in their place. This thesis presents a real-time, inpainting-based DR system designed to enable privacy control in shared-space mixed reality (MR) meetings. The system allows a primary headset user to selectively remove personal or sensitive items from their environment, ensuring that those objects are no longer visible to other participants. Removal is achieved through semantic segmentation and precise object selection, followed by real-time inpainting from the viewpoint of a secondary observer, implemented using a mobile ZED 2i depth camera. The solution is designed to be portable and robust, requiring neither a fixed secondary viewpoint nor prior 3D scanning of the environment. The system utilises YOLOv11 for object detection and a modified Decoupled Spatial-Temporal Transformer (DSTT) model for high-quality video inpainting. At 720p resolution, the pipeline sustains frame rates exceeding 20 fps, demonstrating the feasibility of real-time diminished reality for practical privacy-preserving MR applications. |
| title | A Real-Time Diminished Reality Approach to Privacy in MR Collaboration |
| topic | Computer Vision and Pattern Recognition Human-Computer Interaction H.5.1; H.5.2; I.4.6; I.4.4; I.2.10; I.4.9; K.4.1 |
| url | https://arxiv.org/abs/2509.10466 |