CPC G06T 5/002 (2013.01) [G01S 17/894 (2020.01); G06T 5/40 (2013.01); G06T 5/50 (2013.01); G06T 7/0002 (2013.01); H04N 23/80 (2023.01); G06T 2207/10028 (2013.01); G06T 2207/10048 (2013.01); G06T 2207/30168 (2013.01)] | 7 Claims |
1. An image acquisition method for a Time Of Flight (TOF) camera, the image acquisition method comprising:
acquiring a first image using a first frequency;
acquiring a second image using a second frequency;
producing an initial unwrapped image based on the first and second images;
selecting a partial area from the unwrapped image;
distinguishing one or more erroneously unwrapped pixels of the partial area from remaining pixels of the partial area by comparing the number of unwrapped pixels included in two phase sections; and
moving an erroneously unwrapped pixel from a phase section to which it has been initially unwrapped to another phase section, wherein one of the two phase sections includes fewer unwrapped pixels than the other phase section.
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