Advanced Digital Processing of Evidentiary Photography
This course will provide students with instruction on the use of digital imaging equipment, software, and imaging enhancement techniques required to successfully prepare evidence for a courtroom presentation. Each day will begin with a review of the topics covered during previous day of training. At the end of each day, there will be a daily review covering the topics discussed during that day. On the last day of training, there will be a final review and students will be expected to complete hands-on exercises covering all of the topics included in the course, from capture to enhancements to courtroom presentations. In addition, each student will also be expected to complete a course critique.
This workshop is presented as a combination of lectures, discussions, and hands-on exercises.
Hands On Exercises
Students will prepare a courtroom presentation of digital images, whether that is a fingerprint, crime scene photo, or so forth. The student will then be required to successfully print an enlargement of their presentation.
DAY 1: Digital Imaging Concepts
Course overview ● Introduction of instructor ● Student introductions ■ What type of digital technologies are being used today; or ■ What are the agency’s plans for going digital?
Review of digital imaging technologies
Fundamentals of digital imaging ● Image size, resolution, and modes ● File size, dimensions, and resolution ● Changing image resolution ● Changing pixel dimensions ● Changing an image’s print size ● File formats ● Color modes ● Color channels
Image enhancement techniques ● Objectives of color modes ● Limitations of the printing process ● Enhancing contrast ● Steps to create better color and tonality ● Using the Dodge and Burn tool
DAY 2: Advanced Digital Imaging Concepts
Understanding Color Concepts
Digital Imaging Software Overview
Changing Digital Image File Formats
Understanding More About Resolution
Advanced Scanner Issues
Capturing Images with a Digital Camera ● Camera Resolutions and Specifications ● Standardizing Policies and Procedures
Advanced Image Enhancement Techniques ● Adjusting Color Levels ● Adjusting Hue and Saturation ● Adjusting Color Balance
Standardizing Your Printing Procedures
Outputting to the Web, Video, and CD-ROMs
DAY 3: Getting Ready for Court
Understanding guidelines, standards and best practices and the Rules of Evidence
Preparing evidence for court. Each student will prepare a courtroom presentation of digital images, whether that is a fingerprint, crime scene photo, or so forth. The student will then be required to successfully print an enlargement of their presentation.
How best to provide expert testimony. Each student will submit one defense-related question (that challenges the use of digital imaging), and these questions will form the core of a “mock trial” presentation.
Developing policies and procedures to keep it legal
DAYS 4 and 5: Final Review
The majority of days 4 and 5 is spent working on images that illustrate the points covered throughout the course.
The lecture/presentation portion of day 5 is programmed by the class: each student must submit one or more topics or questions, and these topics form the core of a two-hour digital imaging review by the instructor.
Each attendee must bring the following to class:
A laptop computer running the most up-to-date version of Adobe Photoshop CC (If the student’s agency does not use this version of Photoshop, a trial version of the software may be used for the course.) Do not download trial versions more than two weeks before the course or less than one week prior to the course to ensure the software functions properly throughout the duration of the class.
An external mouse — wireless or wired is acceptable (use of laptop mousepad only is not acceptable)
Five sample images on which to practice in class. These images should pertain to the type of enhancement the student will perform in real world use of this program.
It is requested that the trial version of Adobe Photoshop CC not be loaded any earlier than the week before the start of class as the trial version cannot be reloaded after the 30-day trial period has expired.