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JPEG Quantization Table Lookup
Lookup a DQT / Quantization Matrix / JPEG Compression Quality tables for Digital Cameras and Digital Photography Software.
Quantization Table for: Photoshop - (Save For Web 070)
The following matrix can be used to evaluate the JPEG compression quality of Photoshop's .
Chroma Subsampling: 1x1
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Side-by-Side Comparison
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Background Information
For information on how to interpret this data, please read about JPEG quantization tables.
Reader's Comments:
Please leave your comments or suggestions below!Is there any MATLAB command to get access these information? specially the quantization table.
I wanna use this table for a database of different quality picture.
1 1 1 1 2 2 2 3
1 1 1 1 1 2 2 3
1 1 1 1 2 3 4 5
1 1 1 2 3 4 5 7
2 1 2 3 4 5 7 8
2 2 3 4 5 7 8 8
2 2 4 5 7 8 8 8
3 3 5 7 8 8 8 8