Helping out Hermitian – YCbCr

For those unfamiliar with WordPress, you can click on the images…

Hermitian: And more importantly, where’s the string from the Xerox Workcenter 7655 PDF. And don’t use the FlateDecode excuse again unless you know for sure that the FlateDecode compression was applied after the DCTDecode compression. Otherwise, according to WKV that string should be right there in the PDF.

Let me provide you with some screenshots since you apparently still lack the right tools. Note how the filter is just /DCTDecode. This is the Xerox 7535 Preview saved version.

YCbCr Xerox 7535 previewNow let’s look at the Xerox 7535 PDF. Note the /FlateDecode/DCTDecode chain? Since the DCTEncoded object is now also FlateEncoded, the strings of course are no longer readable. But, as I have tried to show you several times now, you can extract the binary stream and then run it through a deflate.py filter…

Xerox 7535 double filterAnything else that I can help clarify for you?

3 thoughts on “Helping out Hermitian – YCbCr

  1. NBC

    I can’t read your screenshots man. Why don’t you post them on Scribd so we can read them too ?

  2. I can’t read your screenshots man. Why don’t you post them on Scribd so we can read them too ?

    OMG, just click on them for goodness sakes..

  3. Now THAT was funny! Someone who is posing as an “expert” doesn’t know how to click on an image to enlarge it?

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