Inventor
RISSANEN JORMA J
US9 patents
⚠️ This page may combine multiple inventors who share the name “RISSANEN JORMA J”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
IBM
8 patentsUS5045852ASep 3, 1991
Dynamic model selection during data compression
IBM181 citations99
US4905297AFeb 27, 1990
Arithmetic coding encoder and decoder system
IBM162 citations98
US4494108AJan 15, 1985
Adaptive source modeling for data file compression within bounded memory
IBM160 citations98
US4467317AAug 21, 1984
High-speed arithmetic compression coding using concurrent value updating
IBM55 citations95
US4286256AAug 25, 1981
Method and means for arithmetic coding utilizing a reduced number of operations
IBM92 citations95
US5357250AOct 18, 1994
Adaptive computation of symbol probabilities in n-ary strings
IBM121 citations94
US4463342AJul 31, 1984
Method and means for carry-over control in the high order to low order pairwise combining of digits of a decodable set of relatively shifted finite number strings
IBM38 citations92
US4652856AMar 24, 1987
Multiplication-free multi-alphabet arithmetic code
IBM62 citations90