Image Editing Fundamentals

Although the workshop utilizes Adobe Photoshop for the examples and demonstrations, the concepts and techniques taught can apply to any full-featured image editor. The topics to be covered include: raster images; limitations of image editing; assessing digital images; corrections for noise, brightness/contrast, color and sharpness; undoing edits; downsampling, working with layers; non-destructive editing; selecting parts of images; image retouching; de-skewing and working with raw image files.

Learning Objectives

• Describe components of raster images and how they are modified during editing
• Use histograms to assess deficiencies in digital images and propose corrections
• Apply image editing tools to correct noise, brightness/contrast, color and sharpen images
• Practice using layers to apply non-destructive edits to images
• Apply retouching, cropping and deskewing tools to improve appearance and composition of digital images
• Assess advantages and disadvantages of editing RAW image files, including the Adobe DNG file format

Target Audience
Library, archival and museum staff responsible for digitizing analog originals

Prerequisites
Experience with image scanning or taking digital photographs; experience with saving, moving and editing JPEG, GIF and TIFF files.

Homework Expectations and Completion Requirements
To earn a certificate of completion, students must attend all Live sessions or view recordings of same and complete all homework assignments.

It is designed for individual participation; each individual must register.

Technical Requirements

• Live Online System Requirements
• Install GIMP - GNU Image Manipulation Program (available from workshop portal) 
• Ability to upload files to and download files from workshop portal

Schedule
This course consists of two 2-hour sessions. 

The Imaging and Preservation Service is funded in part by a grant from the Division of Preservation and Access of the National Endowment for the Humanities.