Environmental Signature Extraction for Forensic Analysis of Audio Recordings Using AI/LLM Models
This presentation is from the 77th Annual Conference of the American Academy of Forensic Sciences (AAFS), Baltimore, Maryland, February 17-22, 2025.
Significance of image brightness levels for PRNU camera identification
A forensic investigator performing source identification on a questioned image from a crime aims to identify the unknown camera that acquired the image. On the camera sensor, minute spatial variations
Forensic Analysis of Android Cloud SDKs
This presentation is from the 76th Annual Conference of the American Academy of Forensic Sciences (AAFS), Denver, Colorado, February 19-24, 2024.
The Impact of Multi-Camera Smart Phones on Source Camera Identification
An investigator has a questioned image from an unknown source and wants to determine whether it came from a camera on a person of interest’s smartphone. This scenario is referred
Likelihood ratios for changepoints in categorical event data with applications in digital forensics
We investigate likelihood ratio models motivated by digital forensics problems involving time-stamped user-generated event data from a device or account. Of specific interest are scenarios where the data may have
Producing Datasets: Capturing Images on Multi-Camera Smartphones for Source Camera Identification
This poster introduces the new CSAFE Multi-camera Smartphone Image Database and describes how the image were collected and reviewed.
The Impact of Zoom on Smartphone Camera Identification
This poster explores the impact of digital zoom on source camera identification. Images were collected at 5 zoom magnifications using the telephoto cameras of ten iPhone 14 Pro smartphones.
Source Camera Identification with Multi-Camera Smartphones
An overview of source camera identification on multi-camera smartphones, and introduction to the new CSAFE multi-camera smartphone image database, and a summary of recent results on the iPhone 14 Pro’s.
An Anti-Fuzzing Approach for Android Apps
One of significant mobile app forensic analysis problems is the app evidence extraction from the device. Given the fact that mobile apps could generate more than 19K files in a
Forensic Analysis of Android Cryptocurrency Wallet Applications
Crypto wallet apps that integrate with various block-chains allow the users to make digital currencies transaction with QR codes. According to reports from financesonline [3], there is over 68 million