Dr. Chris Daft Expert Witness

Defining voice biometrics Biometrics – automated recognition of a person based on a physiological or behavioral characteristic – continues to increase in importance. Smart cards, magnetic stripe cards, photo ID cards, and physical keys can be lost, stolen, duplicated, or left at home. Passwords can be forgotten, shared, or observed. But if well implemented, biometric … [Read more...] about Voice biometrics expert witness: signal processing enables new forms of identity verification

Introduction Often critical issues in technology litigation hinge on review of source code. In many cases, most of the value in highly litigated products lies in their software. Determining whether a product infringes a patent, or if a trade secret has been misappropriated, is increasingly a question of examining software. A previous blog post described reviewing source … [Read more...] about Remote source code review expert witness: options for attorneys

Introduction Finite element analysis (FEA) is a technique which helps explain complex technical issues by displaying them in a format which is easy to understand.  As such, it can be a potent tool in litigation.  In the illustration below, FEA was used to show stresses in a vehicle involved in a collision. The outline of the car is clearly visible, while color shows the stress … [Read more...] about Finite Element Analysis expert witness: making complex issues clear

Introduction A previous blog post introduced the subject of biometric security, covering how identity is established using biological inputs such as fingerprints, palm veins, and features of the face, iris or retina. Both the technologies involved in biometrics and the governing legal frameworks are changing. Here we focus on the behavioral side of biometrics and explore how … [Read more...] about Behavioral biometrics expert witness: identity from motion

Introduction Artificial intelligence, machine learning and neural networks are continuously in the news. Beyond self-driving cars and movie recommendations, AI is used in an increasingly broad set of applications. For example: Fraud litigation prediction Predicting whether construction projects will go wrong Cyber-forensics Radiology research using image … [Read more...] about Artificial Intelligence (AI) & Medical Imaging Expert Witness: Radiology’s Future