Fingerprints that are deposited but are invisible to the eye
Latent Fingerprints
What are some challenges in facial scanning?
Privacy, data security
Collection of known handwritings
Exemplars
What are the three characteristics of fingerprints?
Individual, Remain unchanged, Unique Patterns
What led to Brandon Mayfield's arrest?
The Madrid train bombings in 2004 led to Mayfield's wrongful arrest due to a misidentification of his fingerprints.
How does iris scanning work?
The software identifies unique features, such as ridges, rings, and furrows, & converts them into digital codes. The code is compared against a database for matching
What part of the skin forms the fingerprint?
Dermis
A facial recognition system is used to compare faces of suspects to a database. The system primarily analyzes distances between facial features. What are these facial feature points called?
Nodal points
Why is it difficult to identify the make and model of a printer?
Using a printing device will wear and damage the machine’s moving parts. These changes will occur in a fashion that is both random and irregular, thereby imparting individual characteristics to the printing device
This system was built to create the FBI system of classifying fingerprints. It is used to classify and organize fingerprint records in large databases, allowing fingerprint examiners to narrow down potential matches when trying to identify a person.
The Henry System
What are 3 typical applications of facial recognition technology?
Security Surveillance, smartphone opening, social media tagging
Arches
Loop fingerprint
Facial Recognition vs. Iris Scanning - which is more accurate
Iris scanning is more accurate than facial recognition, especially in low-light conditions or with facial obstructions like masks
A suspect’s fingerprint was found on a broken window at a crime scene. When comparing the fingerprint pattern, the forensic scientist identified several ridge endings and bifurcations. These small details are essential in forensic identification. What are these small fingerprint characteristics called?
Minutiae