CCSDS 122.0

CCSDS 122.0, Graph Meeting, February 19, 2019

1. CCSDS 122.0
David Barina
February 19, 2019

2. Image formats JPEG 2000 XT

3. Spacecraft

4. Image stripmaps

5. Consultative Committee for Space Data Systems (CCSDS)
https://public.ccsds.org/

6. CCSDS 122.0-B-2 original
image
LL
1
LH
1
HH
1
HL
1
LH
1
HL
1
HH
2
HL
2
LH
2
HH
1
LL
2
LH
1
HH
1
HL
1
HH
2
HL
2
HH
3
HL
3
LH
2
LH
3
LL
3
single stage 2-d DWT
of LL
2
subband
single stage 2-d DWT
of LL
1
subband
single stage 2-d DWT
of original image

7. CCSDS 122.0-B-2DC coefficient
parents
children
grandchildren
wavelet-transformed image a single block
DC coefficient
parents
children
grandchildren
LH
1
HH
1
HL
1LH
2 HH
2
HL
2LH
3HH
3
HL
3LL
3

8. Performance (4:3 aspect ratio, 8bpp, AMD Athlon 64 X2) 0
100
200
300
400
500
600
0 10M 20M 30M 40M 50M 60M 70M 80M
nsecs / pixel
megapixels
separable convolution, sequential
separable multi-loop, sequential
separable single-loop, sequential
line-based, sequential
quad-based, sequential
quad-based, strips interleaved
quad-based, blocks interleaved

9. Performance (strip-map, 8bpp, AMD Ryzen 7 1700X) 0
50
100
150
200
250
0 20M 40M 60M 80M 100M 120M 140M
nsecs / pixel
megapixels
separable convolution, sequential
separable multi-loop, sequential
separable single-loop, sequential
line-based, sequential
quad-based, sequential
quad-based, strips interleaved
quad-based, blocks interleaved