Landsat D3 tape wavelet In JPEG 825 x 750 624,965 files 7 ETM passes (8x comment x 3 reduction) 63.93GB 185 KB Bands 5,4,3 contrast stretched color composite None JPEG 90% Corona Film Scanned at GLIS browse 1400 x 862,584 files 50 or 100 dpi header in JPEG 115 x 1 comment 29.01 GB 3490 tape JPEG 75% 36 KB Unitree Quarter GLIS browse 800 x 260,669 files DOQ quads header in JPEG 1000 subsampled comment (not 40.67GB 158 KB 2nd line/2nd present in all sample, full files) quads subsampled 4th line/4th sample, both followed by two wavelet passes (3x3 filter) None JPEG 75% SPOT HDT/DCT Proprietary In JPEG 512 x 500 998,017 files software comment (ACS). 45 KB 42.73 GB None JPEG 75% SIR-C D1 tape Proprietary None 256 x 200 18,724 files software x 1 .80 GB 44 KB 8 mm tape GIF Unitree 16:1 None 500 x 696 2,395 files reduction as x 1 delivered 0.49 GB 217 KB from NIMA None JPEG Declass Film Scanned In JPEG 420 x 47,004 files II comment 1480 x 1 6.14 GB None JPEG 136 KB
Landsat 7 ETM D3 tape wavelet passes (8x reduction) Bands 5,4,3 contrast stretched color composite In JPEG comment 825 x 750 x 3 185 KB 624,965 files 63.93GB None JPEG 90% Corona Film Scanned at 50 or 100 dpi GLIS browse header in JPEG comment 1400 x 115 x 1 36 KB 862,584 files 29.01 GB 3490 tape JPEG 75% DOQ Unitree Quarter quads subsampled 2nd line/2nd sample, full quads subsampled 4th line/4th sample, both followed by two wavelet passes (3x3 filter) GLIS browse header in JPEG comment (not present in all files) 800 x 1000 158 KB 260,669 files 40.67GB None JPEG 75% SPOT HDT/DCT Proprietary software (ACS). In JPEG comment 512 x 500 45 KB 998,017 files 42.73 GB None JPEG 75% SIR-C D1 tape Proprietary software None 256 x 200 x 1 44 KB 18,724 files .80 GB 8 mm tape GIF Unitree 16:1 reduction as delivered from NIMA None 500 x 696 x 1 217 KB 2,395 files 0.49 GB None JPEG Declass II Film Scanned In JPEG comment 420 x 1480 x 1 136 KB 47,004 files 6.14 GB None JPEG
DSIG%20Browse%20Survey%201997-2010.docx