Slides (pdf) - Jesse Kornblum

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DC3Acknowledgements! Imagery provided by FBI, Pisan Kaewma! libjpeg: : http://www.ijgijg.org/! No animals were harmed in the making of thispresentation
DC3Department of DefenseCyber Crime Center<strong>Jesse</strong> <strong>Kornblum</strong>
Page 4 and 5: Real PictureDC3WARNING:EXPLICIT IMA
Page 6 and 7: Real PictureDC3Image © Copyright P
Page 8 and 9: DC3! JPEG Compression- Lossy compre
Page 10 and 11: Quantization TablesDC32 1 1 1 1 1 2
Page 12 and 13: DC3Quantization Calculations! Origi
Page 14 and 15: IJG Standard TableDC316 11 10 16 24
Page 16 and 17: DC3IJG Standard Tables! Most softwa
Page 18 and 19: Adobe PhotoshopDC3! Adobe Photoshop
Page 20 and 21: DC3Custom Adaptive Tables! Table is
Page 22 and 23: Digital BallisticsDC3! Match to ind
Page 24 and 25: DC3Digital Ballistics! Set of known
Page 26 and 27: DC3Calvin! By default, displays fil
Page 28 and 29: DC3Calvin! Can dump tables from an
Page 30 and 31: DC3Digital Ballistics! This is just
Page 32 and 33: Digital BallisticsDC3But contains s

Slides (pdf) - Jesse Kornblum

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