An Exploratory Comparison of Metrics for Line Error Measurement

This paper comprises a discussion of methods for line error measurement. It focuses on three known methods and suggests a forth one based on the evaluation of equally distributed sample points (EDSP) on line features. It is argued that this method of error measurement does not only provide the extent of error but also indicates systematic displacement of lines. While originally developed for a research project on GI-based learning, EDSP may contribute to a wider range of applications. One of them is the detection of errors occurring while digitizing processes as it raises awareness of common errors related to the delineation of features.