See Forensics Examples

forensic footprint study

RTI of a footprint in dirt (see enlarged image with details )

Cultural Heritage Imaging (CHI) offers imaging techniques that can be of great value to forensics professionals. Central to CHI's tools for this field is Reflectance Transformation Imaging (RTI). CHI's RTI software is open source and the technique uses off-the-shelf digital camera equipment. More…

RTI Training Class for Forensics (past)

On December 3–7, 2012, Cultural Heritage Imaging (CHI), in collaboration with Imaging Forensics, held a specialized 40-hour training class on Reflectance Transformation Imaging (RTI) for forensic professionals at the Sheriff's Office in San Luis Obispo, California.

Special: Free Half-Day Workshop for Forensics: See Details

Learn how computational photographic methods can enhance forensics analysis!
handwriting crossover prepared for RTI imaging

Example of crossover writing, prepared for RTI imaging

“Very informative, and the number of practical applications was extremely useful!”—Attendee, Half-Day Workshop

“Good overview of the technologies and techniques—really liked your use of real-world examples.”—Attendee, Half-Day Workshop

“Very helpful! It has me wanting to review [RTI] as an option for our forensics program.”—Attendee, Half-Day Workshop

“Very interesting, thorough, and applicable.”—Attendee, Half-Day Workshop

Introduction to Computational Photography Techniques for Forensics: Reflectance Transformation Imaging (RTI), Algorithmic Rendering (AR) & Photogrammetry

This workshop is now past.

Reflectance Transformation Imaging (RTI) and related computational photography techniques can dramatically improve the visualization of textural evidence, including footwear, tire impressions, tool marks, latent fingerprints, obliterated serial numbers and questioned documents features such as indented writing and ink crossovers. RTI software is open source and the technique uses off the shelf digital camera equipment. Learn about new practical techniques for forensics examination in just a few hours!

Special Forensics Workshop

When September 17, 2013, 9:30am - 12:30pm (past)
Where Cultural Heritage Imaging
2325 3rd Street, Suite #323
San Francisco, CA 94107
Fee $0 - Regular $99 workshop fee is waived for this special event for all forensics professionals. Space is limited
Prerequisites None: no technical imaging experience is required.
Registration Form (PDF) Download (131 KB) This is a "fill-in" PDF form
Questions? Send email to

Who Should Attend

What You Will Learn