CPC G06F 3/0383 (2013.01) [G06F 3/0317 (2013.01); G06F 3/0325 (2013.01); H04N 25/75 (2023.01)] | 10 Claims |
1. A displacement detection method for a pixel array of a pointing device configured to be displaced on and/or from a surface in at least one direction; said pixel array comprising a first column, a second column and a third column; said displacement detection method comprising:
a main calculation of a main average, said main average corresponding to the average of said pixel array;
an auxiliary calculation of an auxiliary average, said auxiliary average corresponding to the average of one column among said first column, said second column and said third column;
a comparison of said auxiliary average with said main average; and
a motion detection in said at least one direction of the displacement of the pointing device.
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