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Digital forensics: proposed ontology forensics 0 1 1 1 1 1 0 0 0 0 1 1 0 1 1 0 0 1 1 0 0 0 digital 0 0 forensics 1 1 0 0 0 1 0 1 1 analog forensics 1 0 1 0 0 1 1 0 0 1 1 0 1 1 0 0 0 1 computer 1 0 1 forensics 0 0 1 0 1 1 1 1 1 0 1 0 0 0 1 multimedia 0 0 1 1 1 1(image) 1 0 1 0 forensics 0 0 1 0 1 0 1 1 1 1 0 0 digital 1 1 evidence 1 1 0 1 1 1 physical evidence 0 0 1 0 1 1 0 0 0 1 1 forgeability b= counter-forensics Gloe & Kirchner Digital Image Forensics slide 53
Digital forensics: proposed ontology forensics 0 1 0 1 0 1 0 1 0 0 1 0 1 0 1 1 1 0 0 0 0 1 digital 0 1 forensics 0 1 1 1 1 0 1 0 0 analog forensics 0 1 1 1 0 0 1 1 0 0 0 ”physical evidence cannot be wrong, 0 0 1 0 1 1 1 computer 0 0 1 forensics 0 0 1 0 0 0 1 0 1 0 0 1 1 0 0 multimedia 0 1 0 1 0 1(image) 1 1 0 1 forensics 0 1 1 0 1 1 0 0 1 it cannot perjure itself, it cannot be wholly absent” [Kirk, 1953] 1 0 0 digital 1 1 evidence 0 0 0 1 1 1 physical evidence 1 0 0 1 1 1 1 1 1 1 0 forgeability b= counter-forensics Gloe & Kirchner Digital Image Forensics slide 53
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I know what you have done in your l
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This is actually not from a horror
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This is actually not from a horror
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. . . yet it is as scary, at least.
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. . . yet it is as scary, at least.
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Authenticity of images in the digit
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Digital image forensics: a first gl
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Two introductory examples ◮ digit
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1 After all, it’s all about bits
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By the way, what is computer forens
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By the way, what is computer forens
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Digital forensics: proposed ontolog
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WARNING! The following slides inten
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Computer forensics = Image forensic
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Computer forensics = Image forensic
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Computer forensics: a closer look p
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suspicious traces? Computer forensi
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suspicious traces? Computer forensi
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Image forensics: a closer look orig
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Image forensics: a closer look orig
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Sensors: a source of uncertainty
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Sensors: a source of uncertainty
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Models: yet another dimensionality
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Models: yet another dimensionality
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Fundamentals of digital image foren
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Image source identification goal: d
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Intra- and inter-model similarities
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Camera model identification ◮ mos
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Some results on camera model identi
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Camera model identification: overal
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Camera device identification ◮ mo
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Camera device identification ◮ mo
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A typical noise residual Wavelet de
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correlation coefficient Was it your
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Image source identfication: Summary
Page 95 and 96: Need a break? Ooops. . . submission
Page 97 and 98: Image manipulation detection Digita
Page 103 and 104: Resampling detection ◮ image mani
Page 105 and 106: Resampling detection scheme example
Page 107 and 108: Resampling detection scheme ωt ′
Page 109 and 110: Resampling detection scheme ωt ′
Page 111 and 112: It’s not only the biggest potato
Page 113 and 114: Color filter array interpolation
Page 115 and 116: Example application of CFA artifact
Page 117 and 118: Example application of CFA artifact
Page 119 and 120: Double JPEG compression Main idea /
Page 121 and 122: Double JPEG compression artifacts Q
Page 123 and 124: Church of our Ladies, Dresden A typ
Page 125 and 126: . . . and a practical application J
Page 127 and 128: 3Digital image forensics requires i
Page 129 and 130: How does your algorithm know that t
Page 131 and 132: How to capture 14 000 images . . .
Page 133: min / max temperature [ ◦ C] 8 4
Page 136 and 137: DOCMA Award Background ◮ creating
Page 138 and 139: DOCMA Award: some examples Original
Page 144 and 145: 4Now that we have the theory behind
Page 148 and 149: Counter-forensics: computer forensi
Page 154 and 155: Counter-forensics: image forensics
Page 156 and 157: Attacks: practical considerations W
Page 158 and 159: fin Concluding remarks
Page 160 and 161: Multimedia forensics: a growing fie
Page 162 and 163: A broader view 2 2 7 7 ICSI 2010 2A
Page 164 and 165: Computer forensics in a broader sen
Page 166 and 167: Computer forensics in a broader sen
Page 168: Image sources ⊲ Photoshop logo (t
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