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History of Fingerprinting and Digital Image Processing

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History of Fingerprinting and Digital Image Processing

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Questions and Answers

What is the primary function of volar skin?

To produce sweat

To regulate body temperature

To protect the body from external damage

To increase friction contact between the skin and other surfaces (correct)

What percentage of eccrine sweat is composed of solids?

50-60%

5-10%

20-25%

0.5-1.0% (correct)

How long does it take for cells to migrate from the basal layer to the corneum layer of the epidermis?

60 days

28 days (correct)

30 days

14 days

What is the term for the randomness of cell growth rates due to cellular interaction with dynamic surroundings?

Differential Growth Signup and view all the answers

What is the result of Photoshop Clipping?

Loss of image detail Signup and view all the answers

How many color modes are there in Photoshop?

3 Signup and view all the answers

Who is credited with the discovery of fingerprinting?

Dr.Henry FAULDS Signup and view all the answers

What is the purpose of Category 2 photographs?

For conducting analysis, e.g. fingerprint evidence Signup and view all the answers

What is the primary function of image sensors in digital cameras?

To record images in greyscale Signup and view all the answers

What is the result of lossy compression on digital images?

Reduced image quality Signup and view all the answers

What is the definition of a fingerprint?

An impression of the friction ridges of all or any part of the finger Signup and view all the answers

What is the purpose of the OSAC (Organization of Scientific Area Committees)?

To establish strategies for processing digital images Signup and view all the answers