Macbeth Color Accuracy Overview
The Macbeth Color Accuracy test requires the use of a standard 24 square Macbeth color chart as a target. The test will automatically locate this pattern in the input image and will then return the RGB, and HSL values measured from each of the differently colored squares.
Image Sensor Lab uses pattern matching to locate the Macbeth pattern in the image and also provides built in capability to create new pattern matching templates from drawn regions in acquired images. This functionality enables a size and location variations in the target Macbeth chart.
Once the Macbeth region is located in the image, individual color samples are acquired from the center regions of each Macbeth color patch. The RGB values are extracted and listed in the output table along side the Macbeth specification target value. The delta RGB values are also calculated and displayed in the results table. |
