relative offset; relative displacement
Technical term used in computing and engineering to describe the positional difference between two objects or data points, measured relative to each other.
This algorithm calculates the relative offset between two images.
The sensor detected the relative displacement of the parts.
絶対変位 (absolute displacement) refers to displacement measured from a fixed reference point, while 相対変位 is measured between two moving or relative points.
Compound of 相対 (relative) and 変位 (displacement).