Image Authentication Techniques
I had the pleasure of attending a workshop on Image Authentication at the National Center for Media Forensics at the University of Colorado a few weeks ago. It was presented by Catalin Grigoras, PhD and we utilized multiple methods of analyzing still images to determine if an image is...
Continue ReadingIn 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. Sometimes these images resemble their originals – sometimes they are a far cry from them. To do the best enhancement,...
Continue ReadingPhotoshop’s Image Processor
I just learned about an update to the Image Processor that supports nine file formats (including PNG), allows the selection of all the common output profiles, enables file renaming and custom folder naming. I mention it here because this is a tool that I use frequently, that I usually include...
Continue ReadingIs your expert an expert?
On a recent case opposing counsel hired a forensic photographer. The case involved an accident at night in which visibility was a key factor. The role of the forensic photographer in a case like this is to photograph the area to visually show what a person could see in...
Continue ReadingWhen to hire an expert
I was recently retained on a civil case just a month before the trial date. When called about the case, I was told that the firm never thought of hiring a forensic photographer until one showed up in opposing counsel’s expert list. In this case, I needed to photograph...
Continue ReadingImaging Forensics in Singapore
I had the pleasure to present four days of training to the Singapore Police in January. The Singapore Criminal Investigation Division had me over to present training in using Photoshop for analysis and enhancement of video and still images. Agencies in the US often hire me to present in-house training...
Continue ReadingReviving the Blog
In the past fourteen months I’ve posted very sporadically. This post will review some highlights of 2010 and will, hopefully, be the start of more frequent posts. Casework: I had some very interesting cases in 2010, which included forensic photography, photography analysis, video analysis and image authentication. This included one...
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