Measures of User Performance in Video Retrieval Research

Abstract 1 1 Introduction 1 2 Video Surrogates 1 3 Background 2 3.1 Theoretical background 2 3.2 Methodological background 4 4 Measures of User Performance 5 4.1 Object recognition measures (textual, graphical) 6 4.2 Recognition of actions 9 4.3 Gist determination: inferring meaning from the video surrogate 10 4.4 Visual gist determination 13 5 Discussion 15 5.1 Additional considerations in using the proposed measures 15 5.2 Limitations of the proposed measures 19 6 Conclusion 19 7 References 20