| TOF | time-of-flight |
| LiDAR | light detection and ranging |
| DTOF | direct time-of-flight |
| ITOF | indirect time-of-flight |
| SPAD | single-photon avalanche diode |
| MEMS | micro-electro-mechanical systems |
| TCSPC | time-correlated single-photon counting |
| APDs | avalanche photodiodes |
| SiPM | silicon photomultipliers |
| TDCs | time-to-digital converters |
| SBR | signal-to-background noise ratio |
| FOV | field-of-view |
| VCSEL | vertical cavity surface-emitting laser |
| FWHM | full width at half maximum |
| ROI | region of interest |
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