Research map / 3D vision / Depth and stereo
Macroscopic Interferometry: Rethinking Depth Estimation With Frequency-Domain Time-Of-Flight
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Measured effects reported in the paper
| What was changed | Where | Measured | Effect |
|---|---|---|---|
| Replace phase sampling with frequency sampling | ToF depth estimation · Window scene | mean absolute error: 63 cm -> 5cm | Helped |
| Use FD-ToF with 45 frequency-indexed subframes instead of 4 (ablation) | FD-ToF · Everyday scene | overall error [m]: 0.187 -> 0.090 | Helped |
| Use FD-ToF with 45 frequency-indexed subframes instead of 4 (ablation) | FD-ToF · Everyday scene | multi-path error [m]: 0.319 -> 0.153 | Helped |
| Use FD-ToF with 45 frequency-indexed subframes instead of 4 (ablation) | FD-ToF · Everyday scene | single-path error [m]: 0.044 -> 0.020 | Helped |
| Replace phase ToF with FD-ToF | ToF depth estimation · Everyday scene | multi-path error [m]: 0.347 -> 0.319 | Helped |
| Replace phase ToF with FD-ToF | ToF depth estimation · Everyday scene | single-path error [m]: 0.016 -> 0.044 | Hurt |
| Replace phase ToF with FD-ToF | ToF depth estimation · Everyday scene | overall error [m]: 0.191 -> 0.187 | Helped |
| Use FD-ToF instead of Bhandari's method | ToF depth estimation · Everyday scene | overall error [m]: 0.145 -> 0.187 | Hurt |
| Use FD-ToF instead of Bhandari's method | ToF depth estimation · Everyday scene | multi-path error [m]: 0.279 -> 0.319 | Hurt |
| Use 45 subframes rather than Bhandari's 180 subframes | FD-ToF versus Bhandari's method · Everyday scene | overall error [m]: 0.145 -> 0.090 | Helped |
| Use frequency sampling rather than phase sampling | ToF depth estimation · Long-range scene | phase-wrapping artifacts: 3.4m | Helped |
| Use FD-ToF instead of phase ToF | ToF depth estimation · Dragon scene | mean absolute error | Helped |
Closest papers by meaning
- Passive Micron-Scale Time-of-Flight With Sunlight Interferometry (CVPR 2023 · similarity 0.87)
- Learnable Burst-Encodable Time-of-Flight Imaging for High-Fidelity Long-Distance Depth Sensing (NeurIPS 2025 · similarity 0.85)
- Snapshot Lidar: Fourier Embedding of Amplitude and Phase for Single-Image Depth Reconstruction (CVPR 2024 · similarity 0.84)
- Revisiting Optimal Coding for I-ToF under Practical Sensor Constraints (CVPR 2026 · similarity 0.83)
- SVDC: Consistent Direct Time-of-Flight Video Depth Completion with Frequency Selective Fusion (CVPR 2025 · similarity 0.79)
- Separating the Wheat from the Chaff: Spatio-Temporal Transformer with View-interweaved Attention for Photon-Efficient Depth Sensing (AAAI 2025 · similarity 0.77)
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