This feature is a measure, on a small scale, of the flow and roughness of an image. The color, position, and orientation of these features does not matter. This feature is a measure of the brightness at each point in the image. This feature is a measure of the hue, saturation, and brightness at each point in the image. This feature is a measure of the ratio of the width to the height in the image.
Feature vectors created by feature extractor functions are of type IfdFeatVect, an opaque data type.
The Excalibur Image DataBlade module uses the feature vectors stored in the IfdFeatVect column. The bits in a given feature vector represent the presence or absence of such features as colors or edges.