This page (revision-34) was last changed on 07-Dec-2016 14:14 by JianSun

This page was created on 06-Jun-2008 14:21 by JianSun

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NewNumberForEISDC
NewNumberForEISDC

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[{ALLOW edit EISMainUsers}]
[{ALLOW view Anonymous}]
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%%
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1. From 2008-06-21 to 2008-06-26, EIS ran a series of studies to test compression schemes of DPCM, JPEG90, JPEG85 & JPEG75.
[{InsertPage page=EisCompressionTest}]
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;:The compression factor for each scheme during these tests have been calculated by using the following equation:
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%%center
{{compression factor = original_volume / mdp_volume}}%%
JianSun (MSSL) - 2008-07-07
----
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;:* ''orginal_volume'': obtained from the definition files of EIS compression studies (ID: 288, 289, 290, 291, 53100 KB in this case).
;:* ''mdp_volume'': extracted from EIS MDP status fits files.
2. Check [this page|http://msslxr.mssl.ucl.ac.uk:8080/eiswiki/images/dcgifs/new_EIS_dc_b.html] to see the corresponding __fits files__, __compression schemes__, __slit/sci.obj__, __original volume__, __mdp volume__ and __compression factor__.
3. summary:
This page (revision-34) was last changed on 07-Dec-2016 14:14 by JianSunTop