SWGIT Self Study Questions

Question 1

What does SWGIT stand for?

Question 2

What is the mission of SWGIT?

Question 3

Describe the membership of SWGIT

Question 4

What is the purpose of the SWGIT document?

Question 5

What are the basic requirements for the admission of digital images?

Answer 5

The images must be relevant, properly _____ digital images that _____ _____ a ______ or object

Question 6

What is image compression?

Question 7

What are the two types of compression?

Question 8

The requirement than an exhibit (image) be authenticated is usually satisfied when what?

Question 9

In the case of images processed using advanced equipment techniques, ________ witnesses must be able to testify concerning the ____ ____.

Question 10

Define a “primary” image as opposed to an “original” image

Question 11

According to SWGIT, original images should not be _________.

Question 12

Processing should be performed on _________ images only

Answer 12

_____ (copies)

Question 13

What are the 5 methods for maintaining integrity?

Question 14

What are the 2 simple and approved methods that to not require technology for demonstrating integrity?

Question 15

To achieve maximum detail, it is the best practice to _________ the _______________ with the impression.

Question 16

The minimum pixels per inch (ppi) resolution to capture a latent print is _________________.

Question 17

Given that the 7D camera has a pixel resolution of 5184 x 3456, what is the maximum field of view that will yield the minimum resolution for a latent print?

Question 18

It is recommended to capture using _____ ___________________ or ___________________ _________________.

Question 19

In regards to the first photograph… When appropriate (e.g. crime scene), capture overall view of impression area _________________ ___ scale, using proper lighting.

Question 20

In regards to subsequent photos… Capture overall view of impression ____________ ____ scale, using proper lighting.

Question 21

The camera must be placed at a _____ degree angle to the imression.

Question 22

The scale must be placed on the same _________________ and ____ __________ ___ _______________ to impression without ____________________ _________________.

Question 23

The scale may contain 6 bits of information to identify the print. What are those bits of information.

Answer 23

_____________ At a minimum, the scale should have the date and the initials of the photographer.

Question 24

What is the minimum megapixel native resolution recommended.

Question 25

Two sets of overall, mid-range and close-up photographs should be taken. What is the difference between the two sets?

Question 26

How should the camera be positioned relative to the impression?

Question 27

Where should the lens be focused on the impression?

Question 28

What f-stop setting is recommended for optimum depth of field and image sharpness?

Question 29

Scale should be on the same level as what?

Question 30

What formats of compression are required?

Question 31

In addition to an overall footwear impression photograph, what areas of the footwear should be photographed separately close-up?

Question 32

What is the procedure for photographing long tire impressions and what type of scale should be used?

Question 33

It is recommended that lighting be rotated around a footwear impression to capture detail on the bottom of the impression. What is the minimum number of images that should be taken with different lighting? What is the spacing of the light in degrees as it is rotated around the print?