Tenprint Fingerprint Quality Standards & Control Flashcards
6 cards from real Tenprint Fingerprint Certification practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.
Read the first 6 Tenprint Fingerprint Quality Standards & Control flashcards as text
What is the minimum image resolution recommended by the FBI for tenprint fingerprint scans?
Answer: 500 ppi
The FBI requires a minimum of 500 pixels per inch (ppi) for tenprint fingerprint scans to ensure sufficient detail for comparison.
Which FBI standard governs the quality requirements for electronic fingerprint submissions?
Answer: EBTS (Electronic Biometric Transmission Specification)
The Electronic Biometric Transmission Specification (EBTS) sets the technical requirements for electronic fingerprint submissions to the FBI.
What is the NFIQ (NIST Fingerprint Image Quality) scale range?
Answer: 1–5 (lower is better)
NFIQ rates fingerprint image quality on a scale of 1–5, where 1 is the highest quality and 5 is the poorest quality.
What term describes a fingerprint impression that is too light due to insufficient ink or pressure?
Answer: Thin impression
A thin impression results from insufficient ink or pressure, causing ridge detail to appear light and poorly defined.
What quality defect occurs when too much ink causes ridges to fill in and appear fused together?
Answer: Heavy impression
A heavy impression results from excessive ink, causing ridges to spread and fill valleys, obscuring individual ridge detail.
According to FBI standards, what gray-scale bit depth is required for tenprint fingerprint images?
Answer: 8-bit (256 shades)
FBI standards require 8-bit grayscale images, providing 256 shades of gray sufficient for ridge detail capture.
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