Research map / 3D vision / Depth and stereo
Energy-Efficient Adaptive 3D Sensing
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Measured effects reported in the paper
| What was changed | Where | Measured | Effect |
|---|---|---|---|
| Concentrate projected light on the ROI instead of illuminating the full scene | Adaptive active depth sensing · Textureless regions in the three scenes in Figure 7 | depth-map quality | Helped |
| Use adaptive ROI illumination rather than full-frame projection | Active depth sensing · Analytical comparison at the same maximum sensing distance | required power: N −1 (0.01 to 0.002)× lower power | Helped |
| Use adaptive ROI illumination rather than line scanning | Active depth sensing · Analytical comparison at the same maximum sensing distance | required power: N −0.5 (0.1 to 0.04)× lower power | Helped |
| Use adaptive ROI illumination rather than line scanning | Active depth sensing · Analytical comparison at the same maximum sensing distance | eye-safety distance: N −0.125 (0.56 to 0.46)× shorter (better) eye-safety distance | Helped |
| Scan K disjoint ROIs sequentially during the camera exposure (ablation) | Adaptive sensing · Analytical comparison at the same maximum sensing distance | required power: k_p d^2_max N^-1 -> k_p d^2_max N^-1 K | Hurt |
| Scan K disjoint ROIs sequentially during the camera exposure (ablation) | Adaptive sensing · Analytical comparison at the same maximum sensing distance | eye-safety distance: k_ld d_max -> k_ld d_max K^0.375 | Hurt |
| Divide the camera exposure into K shorter exposures and scan one ROI per exposure (ablation) | Adaptive sensing · Analytical comparison at the same maximum sensing distance | required power: k_p d^2_max N^-1 -> k_p d^2_max N^-1 K^0.5 | Hurt |
| Divide the camera exposure into K shorter exposures and scan one ROI per exposure (ablation) | Adaptive sensing · Analytical comparison at the same maximum sensing distance | eye-safety distance: k_ld d_max -> k_ld d_max K^0.125 | Hurt |
| Use adaptive ROI illumination rather than full-frame projection or line scanning | Active depth sensing · Three scenes in Figure 7 under low and high ambient lighting | depth-map quality | Helped |
| Use adaptive ROI illumination with the phase SLM | Active stereo depth sensing · Outdoor scene under direct sunlight | depth sensing capability | Helped |
Closest papers by meaning
- Exploiting & Refining Depth Distributions With Triangulation Light Curtains (CVPR 2021 · similarity 0.88)
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- UltraStereo: Efficient Learning-Based Matching for Active Stereo Systems (CVPR 2017 · similarity 0.86)
- Active Event-based Stereo Vision (CVPR 2025 · similarity 0.83)
- Dual Exposure Stereo for Extended Dynamic Range 3D Imaging (CVPR 2025 · similarity 0.82)
- Cross-spectral Gated-RGB Stereo Depth Estimation (CVPR 2024 · similarity 0.82)
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