4c9d3bba-0a6b-4991-93c4-3bb572123dc8 9 4 5 false false 0 decimal

&[DATE] &[TIME] - &[FILENAME]

n ZigZagMat A n n matrix : r 1 : c 1 : 13 mat k 1 n 2^range A r c el k : r c + 2 mod 0 ≡ c n < c c 1 + : r r 2 + : if r 1 > r r 1 - : 0 if 12 mat r n < r r 1 + : c c 2 + : if c 1 > c c 1 - : 0 if 12 mat if 21 line for A 31 line :

8 ZigZagMat 1267151628293581417273043491318263142441012192532414554112024334046535521233439475256612235384851576062363749505859636488 mat

Application: see

https://en.wikipedia.org/wiki/JPEG#Entropy_coding

Alvaro