FISH (Forensic Information System for Handwriting)

Related terms

Black-Box Study

A study in which qualified examiners are given realistic test cases with known ground truth and asked to make decisions under conditions...

CEDAR-FOX

Computer for Expert Document Analysis and Recognition; SUNY Buffalo research platform using SVM + multi-level features with documented error rates, developed in...

Daubert Standard

The US federal evidentiary standard (Daubert v. Merrell Dow Pharmaceuticals, 1993) requiring that expert testimony be based on scientifically valid methods with...

Foundational Validity

The requirement, articulated in the 2009 US National Academy of Sciences report and taken up by courts and reform bodies, that a...

NIST 2020 (NISTIR 8282)

NIST report 'Forensic Handwriting Examination and Human Factors: Improving the Practice Through a Systems Approach'; defines the post-PCAST research and reform agenda...

PCAST 2016

President's Council of Advisors on Science and Technology 2016 report 'Forensic Science in Criminal Courts', which assessed foundational validity of forensic disciplines...

Theta Features

A compact handwriting representation based on the distribution of stroke-segment directions (angles relative to horizontal), computed as a histogram; used in FISH...

WANDA

Writer Automatic Non-parametric Database Approach; European FIDIS-project system using nearest-neighbour retrieval with combined direction, pressure, and texture features.

Writer Verification

The binary task of deciding whether a questioned handwriting sample was produced by a specific candidate writer; different from writer identification (open-set...

Explained in

• Computer-Assisted Handwriting Analysis: FISH, WANDA, CEDARThe BKA's operational CAHA system, using theta-direction histogram features for database triage; returns a ranked list of candidate writers for human expert re...