Title
A Semi-Automated Usability Evaluation Framework for Interactive Image Segmentation Systems
Abstract
AbstractFor complex segmentation tasks, the achievable accuracy of fully automated systems is inherently limited. Specifically, when a precise segmentation result is desired for a small amount of given data sets, semi-automatic methods exhibit a clear benefit for the user. The optimization of human computer interaction (HCI) is an essential part of interactive image segmentation. Nevertheless, publications introducing novel interactive segmentation systems (ISS) often lack an objective comparison of HCI aspects. It is demonstrated that even when the underlying segmentation algorithm is the same throughout interactive prototypes, their user experience may vary substantially. As a result, users prefer simple interfaces as well as a considerable degree of freedom to control each iterative step of the segmentation. In this article, an objective method for the comparison of ISS is proposed, based on extensive user studies. A summative qualitative content analysis is conducted via abstraction of visual and verbal feedback given by the participants. A direct assessment of the segmentation system is executed by the users via the system usability scale (SUS) and AttrakDiff-2 questionnaires. Furthermore, an approximation of the findings regarding usability aspects in those studies is introduced, conducted solely from the system-measurable user actions during their usage of interactive segmentation prototypes. The prediction of all questionnaire results has an average relative error of 8.9%, which is close to the expected precision of the questionnaire results themselves. This automated evaluation scheme may significantly reduce the resources necessary to investigate each variation of a prototype’s user interface (UI) features and segmentation methodologies.
Year
DOI
Venue
2019
10.1155/2019/1464592
Periodicals
DocType
Volume
Issue
Journal
2019
1
ISSN
Citations 
PageRank 
1687-4188
1
0.35
References 
Authors
0
7
Name
Order
Citations
PageRank
Mario Amrehn111.02
Stefan Steidl2114079.71
Reinier Kortekaas321.42
Maddalena Strumia410.68
Markus Weingarten510.35
Markus Kowarschik622242.67
Andreas K. Maier7560178.76