Research map / 3D vision / Depth and stereo
Passive Micron-Scale Time-of-Flight With Sunlight Interferometry
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Measured effects reported in the paper
| What was changed | Where | Measured | Effect |
|---|---|---|---|
| Use sunlight's broad spectral bandwidth for axial time-of-flight scanning | Sunlight interferometry · Outdoor scene depth scanning | axial resolution: 5 micrometers | Helped |
| Use sunlight's spatial incoherence to isolate near-diagonal, direct scene responses | Sunlight interferometry · Scenes with interreflections or subsurface scattering | robustness to indirect illumination | Helped |
| Use spatially incoherent sunlight to reject scattered light | Sunlight interferometry · Metallic coin occluded by ground glass diffuser | depth recovery through diffuser | Helped |
| Use passive indoor illumination instead of sunlight | Sunlight interferometry · Indoor illumination, metallic coin | depth recovery: about five feet | Helped |
| Use passive indoor illumination instead of sunlight | Sunlight interferometry · Indoor illumination, non-metallic objects | depth recovery | Hurt |
| Use a passively damped breadboard instead of an undamped breadboard | Sunlight interferometry prototype · Outdoor prototype surface | vibration amplitude: around \unit[10]{\textmu m} -> below a micrometer | Helped |
| Increase spectral filter bandwidth | Sunlight interferometry · Depth scanning | temporal coherence length | Helped |
| Increase spectral filter bandwidth | Sunlight interferometry · Depth scanning | signal-to-noise ratio | Helped |
| Increase spectral filter bandwidth | Sunlight interferometry · Outdoor depth scanning | sensitivity to environmental vibrations | Hurt |
| Use passive sunlight instead of an active light source | Interferometric depth sensing · Outdoor operation | axial resolution | Helped |
Closest papers by meaning
- Learnable Burst-Encodable Time-of-Flight Imaging for High-Fidelity Long-Distance Depth Sensing (NeurIPS 2025 · similarity 0.83)
- Snapshot Lidar: Fourier Embedding of Amplitude and Phase for Single-Image Depth Reconstruction (CVPR 2024 · similarity 0.82)
- Opportunistic Single-Photon Time of Flight (CVPR 2025 · similarity 0.81)
- Separating the Wheat from the Chaff: Spatio-Temporal Transformer with View-interweaved Attention for Photon-Efficient Depth Sensing (AAAI 2025 · similarity 0.80)
- Time-Efficient Light-Field Acquisition Using Coded Aperture and Events (CVPR 2024 · similarity 0.80)
- Coherence As Texture - Passive Textureless 3D Reconstruction by Self-interference (CVPR 2024 · similarity 0.79)
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