US 11,868,844 B2
Visual code and method for encoding and decoding a two-dimensional image
Pedro Enrique López De Teruel Alcolea, Murcia (ES); Alberto Ruiz Garcia, Murcia (ES); and Felix Jesus García Clemente, Murcia (ES)
Assigned to UNIVERSIDAD DE MURCIA, Murcia (ES)
Appl. No. 17/766,378
Filed by UNIVERSIDAD DE MURCIA, Murcia (ES)
PCT Filed Oct. 2, 2020, PCT No. PCT/ES2020/070599
§ 371(c)(1), (2) Date Apr. 4, 2022,
PCT Pub. No. WO2021/064273, PCT Pub. Date Apr. 8, 2021.
Claims priority of application No. ES201930861 (ES), filed on Oct. 4, 2019.
Prior Publication US 2023/0169288 A1, Jun. 1, 2023
Int. Cl. G06K 7/14 (2006.01); G06K 19/06 (2006.01)
CPC G06K 7/1417 (2013.01) [G06K 19/06037 (2013.01)] 20 Claims
OG exemplary drawing
 
10. Method according to claim 9, one or both:
the two-dimensional waves are two-dimensional sinusoids, or
the mathematical operation on the selected c two-dimensional waves is an addition.