Evaluating the effect of feedback from different computer vision processing stages: a comparative lab study

Computer vision and pattern recognition are increasingly being employed by smartphone and tablet applications targeted at lay-users. An open design challenge is to make such systems intelligible without requiring users to become technical experts. This paper reports a lab study examining the role of...

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Main Authors: Kittley-Davies, J, Yang, R, Alqaraawi, A, Costanza, E, Stein, S, Rogers, A
Format: Conference item
Published: Association for Computing Machinery 2019
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author Kittley-Davies, J
Yang, R
Alqaraawi, A
Costanza, E
Stein, S
Rogers, A
author_facet Kittley-Davies, J
Yang, R
Alqaraawi, A
Costanza, E
Stein, S
Rogers, A
author_sort Kittley-Davies, J
collection OXFORD
description Computer vision and pattern recognition are increasingly being employed by smartphone and tablet applications targeted at lay-users. An open design challenge is to make such systems intelligible without requiring users to become technical experts. This paper reports a lab study examining the role of visual feedback. Our findings indicate that the stage of processing from which feedback is derived plays an important role in users' ability to develop coherent and correct understandings of a system's operation. Participants in our study showed a tendency to misunderstand the meaning being conveyed by the feedback, relating it to processing outcomes and higher level concepts, when in reality the feedback represented low level features. Drawing on the experimental results and the qualitative data collected, we discuss the challenges of designing interactions around pattern matching algorithms.
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spelling oxford-uuid:8bae6c8b-2403-4568-8c67-67390c7d50602022-03-26T22:39:37ZEvaluating the effect of feedback from different computer vision processing stages: a comparative lab studyConference itemhttp://purl.org/coar/resource_type/c_5794uuid:8bae6c8b-2403-4568-8c67-67390c7d5060Symplectic Elements at OxfordAssociation for Computing Machinery2019Kittley-Davies, JYang, RAlqaraawi, ACostanza, EStein, SRogers, AComputer vision and pattern recognition are increasingly being employed by smartphone and tablet applications targeted at lay-users. An open design challenge is to make such systems intelligible without requiring users to become technical experts. This paper reports a lab study examining the role of visual feedback. Our findings indicate that the stage of processing from which feedback is derived plays an important role in users' ability to develop coherent and correct understandings of a system's operation. Participants in our study showed a tendency to misunderstand the meaning being conveyed by the feedback, relating it to processing outcomes and higher level concepts, when in reality the feedback represented low level features. Drawing on the experimental results and the qualitative data collected, we discuss the challenges of designing interactions around pattern matching algorithms.
spellingShingle Kittley-Davies, J
Yang, R
Alqaraawi, A
Costanza, E
Stein, S
Rogers, A
Evaluating the effect of feedback from different computer vision processing stages: a comparative lab study
title Evaluating the effect of feedback from different computer vision processing stages: a comparative lab study
title_full Evaluating the effect of feedback from different computer vision processing stages: a comparative lab study
title_fullStr Evaluating the effect of feedback from different computer vision processing stages: a comparative lab study
title_full_unstemmed Evaluating the effect of feedback from different computer vision processing stages: a comparative lab study
title_short Evaluating the effect of feedback from different computer vision processing stages: a comparative lab study
title_sort evaluating the effect of feedback from different computer vision processing stages a comparative lab study
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