Free Training in Forensic Computational Photography Techniques
There are some rather amazing photographic techniques that fall under the category of Computational Photography. These include Photogrammetry, Reflectance Transformation Imaging (RTI), and Algorithmic Rendering. Each of these helps us to get more information and/or detail from three-dimensional objects – from measurements to more detail. Cultural Heritage Imaging in San...
Continue ReadingLEVA Conference is Fast Approaching
This year’s LEVA conference is in beautiful San Diego, CA from October 22 – 26. I will be co-presenting a workshop on image authentication with Catalin Grigoras, PhD, and Jeffrey Smith on Wednesday, October 24. LEVA’s conferences are always filled with several workshops and classes that are valuable to the...
Continue ReadingRTI (Reflective Transformation Imaging)
In my last post I mentioned that we have some training coming up in this technology in December, and I want to explain a bit more about it. I first learned about this technology from Bruce Zuckerman, PhD. He is a professor at USC and also the director of the...
Continue ReadingUpdated Training Calendar
I have updated my training calendar which includes several exciting new workshops: At the LEVA conference, coming up at the end of October, I will be presenting a workshop in Image Authentication with Dr. Catalin Grigoras and Jeffrey Smith. In addition, there are quite a number of great workshops and seminars scheduled....
Continue ReadingFree Law Enforcement Training at Photoshop World Las Vegas
John Penn is offering a free day of training for law enforcement at this year’s Photoshop World in Las Vegas. Topics will include: Image Verification Advanced Camera Technologies Photographic Techniques Video, Still, and Audio Workflows for Investigations Open Discussion and Feedback with Photoshop Engineers If you are heading out to Photoshop World, this will be...
Continue ReadingWhat Training Should Your Forensic Photographer, Photo Analyst or Video Analyst Have?
As I mentioned last week, I get asked for my CV during initial phone calls from attorneys. This series of posts is to help the attorney understand what to look for when reading the CVs of experts in forensic photography, photographic analysis, and video analysis, and this post specifically...
Continue ReadingExpert Credentials
One of the first things that I get asked for when an attorney calls is a copy of my CV. An expert’s CV can tell you a lot, but when looking at a forensic photographer, photographic analyst, or video analyst, how should it be evaluated to make sure that...
Continue ReadingImage 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...
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