Patent ID: 11895405
Assignee: UNIVERSITY COLLEGE CORK, NATIONAL UNIVERSITY OF IRELAND, CORK
Field: Audio-visual technology (Electrical engineering)
Classification: CPC H  G | IPC G  H

Claim 14:
15. The method of claim 14, wherein the steps of calculating sequency parameters for each grid and generating a modified Walsh matrix by reordering the columns of the Walsh matrix from left to right in increasing order of calculated sequency parameters comprise:
calculating a sequency number for each row and each column of each grid;
calculating a total sequency number S(T)=S(x)+S(y) for each column of the Walsh matrix by adding the total sum sequency S(x) for all rows to the total sum sequency S(y) for all columns of its associated grid;
calculating ΔS as the absolute value of S(x)−S(y);
generating a modified Walsh matrix by reordering the columns of the Walsh matrix from left to right in increasing order of calculated S(T) values;
wherein if the calculated S(T) values match for any columns, ordering these columns in increasing order of ΔS values, and wherein if the calculated ΔS values match for any columns, ordering these columns in increasing order of sequency S.