Colour checker
Definition
A calibrated chart of known colour patches (typically the Macbeth ColorChecker or equivalent) photographed in the same light as the scene, used to correct for differences in illumination and to verify that colour rendition is consistent across sessions and cameras.
Related terms
- Context plan
- A hand-drawn plan at a standard scale (typically 1:10 or 1:20) showing the outline and internal features of one context. Drawn before...
- Photographic log
- A written record, kept on site alongside the context records, that logs each photograph with its file name, date, time, photographer, subject...
- RAW format
- A camera capture format that records unprocessed sensor data, preserving all original exposure and colour information. RAW files are preferred over JPEG...
- Scale bar
- A physical ruler or L-shaped measuring device placed in the field of view before a photograph is taken. It provides a known...
- Section drawing
- A vertical cut through the excavated sequence, drawn at 1:10 or 1:20, showing the relative positions, depths, and angles of all contexts...
Explained in
- Site Photography and IllustrationA calibrated chart of known colour patches (typically the Macbeth ColorChecker or equivalent) photographed in the same light as the scene, used to correct for...