Objective evaluation criteria for 2D-shape estimation results of moving objects

Authors:
Roland Mech;Ferran Marqués
Affiliations:
Institut für Theoretische Nachrichtentechnik und Informationsverarbeitung, Universität Hannover, Appelstrasse 9A, 30167 Hannover, Germany;Universitat Politècnica de Catalunya, Campus Nord--Mòdul D5, C/ Jordi Girona 1-3, Barcelona 08034, Spain
Venue:
EURASIP Journal on Applied Signal Processing - Image analysis for multimedia interactive services - part I
Year:
2002

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Abstract

The objective evaluation of 2D-shape estimation results for moving objects in a video sequence is still an open problem. First approaches in the literature evaluate the spatial accuracy and the temporal coherency of the estimated 2D object shape. Thereby, it is not distinguished between several estimation errors located around the object contour and a few, but larger, estimation errors. Both cases would lead to similar evaluation results, although the 2D-shapes would be visually very different. To overcome this problem, in this paper, a new evaluation approach is proposed. In it, the evaluation of the spatial accuracy and the temporal coherency is based on the mean and the standard deviation of the 2D-shape estimation errors.