Imaging Forensics: So, What's the Story on Resolution?
My post on Synchronizing Video has generated a few comments related to image resolution. Three people, all of whom have a significant background in forensic imaging, have made rather divergent comments. Multiple topics are being addressed, from crime scene, accident and evidence photography to latent print photography to SWGFAST guidelines/requirements to the resolution of video security camera systems.
Imaging Forensics: In Photography and Video - We Want the Original Images
It always surprises me how often retaining attorneys send me digital copies of scanned color laser prints of photos in PDF format, or transcoded video files to do an analysis.
Small Scale Digital Device Forensics - Evidence from Mobile Phones and GPS Units May Surprise You!
Today, there are more than 262.7 million wireless subscribers - 83% of the total U.S. population. That equates to 2,869 times more subscribers today than in January 1985.
Forensic Authentication of Digital Audio Recordings
The formal procedures for the scientific authentication of audio media in investigative matters and legal proceedings have been updated as a result of the widespread conversion from analog to digital technology since the 1990s.
Forensic Enhancement of Digital Audio Recordings
A protocol is described to improve the voice intelligibility of investigative and other forensic audio recordings collected via digital recording systems, whether audio only or audio/video units.
COFEE And The State Of Digital Forensics
Computer Online Forensic Evidence Extractor (COFEE) is a software program developed by Microsoft for use by law enforcement. It was held closely by law enforcement for a period of time until it was revealed in the last year, and subsequently, several individuals released software intended to defeat the utility of COFEE.
Fonts For Forensics
Like other latent evidence that cannot be directly perceived by people, bit sequences have to be presented through tools. Presentations of digital forensic evidence often involve the presentation of text versions of bit sequences representing traces of events that took place within digital systems.
Moving Toward A Science Of Digital Forensic Evidence Examination
Like almost every scientific endeavor, the examination of digital forensic evidence (DFE) started out somewhere between an art and a craft. People with special skills and knowledge leverage that skill set and knowledge base to put forth notions about the meaning of DFE in the context of legal matters. While the court system greatly appreciates science and its role through expert testimony in providing probative information, that appreciation is substantially challenged by the lack of a scientific base, in the form of adequate peer reviewed publications associated with professional societies,
Video And Audio Characteristics In VHS Overrecordings
Authenticity examinations of VHS (video home system) cassettes are commonly performed in forensic laboratories and can usually determine whether a submitted recording is original, continuous, and unaltered. One of the important determinations of this analysis is identifying any portions that have been recorded over
