SWGIT Self Study Questions Flashcards
What does SWGIT stand for?
What is the mission of SWGIT?
Describe the membership of SWGIT
What is the purpose of the SWGIT document?
What are the basic requirements for the admission of digital images?
The images must be relevant, properly _____ digital images that _____ _____ a ______ or object
What is image compression?
What are the two types of compression?
The requirement than an exhibit (image) be authenticated is usually satisfied when what?
In the case of images processed using advanced equipment techniques, ________ witnesses must be able to testify concerning the ____ ____.
Define a “primary” image as opposed to an “original” image
According to SWGIT, original images should not be _________.
Processing should be performed on _________ images only
_____ (copies)
What are the 5 methods for maintaining integrity?
What are the 2 simple and approved methods that to not require technology for demonstrating integrity?
To achieve maximum detail, it is the best practice to _________ the _______________ with the impression.
The minimum pixels per inch (ppi) resolution to capture a latent print is _________________.
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?
It is recommended to capture using _____ ___________________ or ___________________ _________________.
In regards to the first photograph… When appropriate (e.g. crime scene), capture overall view of impression area _________________ ___ scale, using proper lighting.
In regards to subsequent photos… Capture overall view of impression ____________ ____ scale, using proper lighting.
The camera must be placed at a _____ degree angle to the imression.
The scale must be placed on the same _________________ and ____ __________ ___ _______________ to impression without ____________________ _________________.
The scale may contain 6 bits of information to identify the print. What are those bits of information.
_____________ At a minimum, the scale should have the date and the initials of the photographer.
What is the minimum megapixel native resolution recommended.
Two sets of overall, mid-range and close-up photographs should be taken. What is the difference between the two sets?
How should the camera be positioned relative to the impression?
Where should the lens be focused on the impression?
What f-stop setting is recommended for optimum depth of field and image sharpness?
Scale should be on the same level as what?
What formats of compression are required?
In addition to an overall footwear impression photograph, what areas of the footwear should be photographed separately close-up?
What is the procedure for photographing long tire impressions and what type of scale should be used?
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?
