Download Image sequence compression featuring independently coded regions

U.S. Patent
Apr. 22, 2003
Sheet 5 0f 14
US 6,553,150 B1
UsER OREATEs GEOGRAPI-IIO 113
REGION OR IDENTIFIES
/
OBJECT AS REGION
119
IFOR EACH MOD{FRAME
I
I
I
I
I
DEVELOP R. MAP /i
,
OBTAIN # OF REGIONs /253
DET sLIOING FOR:
EACH MOD‘ FRM'
IN FRAME
i
255
l
l
II
l
I
I
/257
YES
HAVE REGIONS
BEEN ADDED?
INOREMENT NUMBER
OF LOCAL GROUPs
OR GLOBAL GROUPS
AS APPROPRIATE
l___I
i
l
i
LAY MAOROBLOOKs OUT
I
AOOORDING TO REGION GROUP
/259
l
lI
l
I
261
Il
CALCULATE SLICE
BOUNDARIES
I
CALCULATE TOTAL /265
l
l
l
l
l
l
I
|
l
I
II
STORE IN RAM
NUMBER OF SLICES
CREATE MAP FOR EACH
MODIFIED FRAME WITH ONE
ENTRY FOR EACH SLICE
OOMPREss A|\ID sLIOE EACH /121
FRAME ACCORDING TO ITS RM
I
BIT sTREAM ENCODE / INsERT /123
SLICE CODES AND REGION MAP
/263