1
Q
what does a quantizer do?
A
A quantizer reduces the number of bits needed to store the coefficients that result from an image transformation.
This is achieved by reducing the precision of the coefficients.
Digital Forensics (stage 2)
flashcards
Decks in class (17)
# Cards
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topic 1 - image acquisition11
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topic 2 - image formation point processing10
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topic 3 - photo forgery5
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topic 4 - spatial filtering4
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topic 5 - image noise4
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topic 6 - forensic camera identification - sensor pattern noise8
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topic 7 - steganography part 19
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topic 8 - steganography part 210
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topic 9 - image compression13
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topic 10 - image compression part 21
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topic 11 - forensic analysis of JPEG files3
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topic 12 - cryptography 17
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topic 13 - cryptography 28
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topic 14 - digital forensics8
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topic 15 - best practice and the law18
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topic 17 - facial composite construction9
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topic 18 - enhanced cognitive interview - Andrew Langley9
