Abstract:
:Non-line-of-sight (NLOS) imaging recovers objects using diffusely reflected indirect light using transient illumination devices in combination with a computational inverse method. While capture systems capable of collecting light from the entire NLOS relay surface can be much more light efficient than single pixel point scanning detection, current reconstruction algorithms for such systems have computational and memory requirements that prevent real-time NLOS imaging. Existing real-time demonstrations also use retroreflective targets and reconstruct at resolutions far below the hardware limits. Our method presented here enables the reconstruction of room-sized scenes from non-confocal, parallel multi-pixel measurements in seconds with less memory usage. We anticipate that our method will enable real-time NLOS imaging when used with emerging single-photon avalanche diode array detectors with resolution only limited by the temporal resolution of the sensor.
journal_name
Nat Communjournal_title
Nature communicationsauthors
Liu X,Bauer S,Velten Adoi
10.1038/s41467-020-15157-4subject
Has Abstractpub_date
2020-04-02 00:00:00pages
1645issue
1issn
2041-1723pii
10.1038/s41467-020-15157-4journal_volume
11pub_type
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