Can Privacy-Aware Lifelogs Alter Our Memories?

Elagroudy, P., Khamis, M. , Mathis, F., Irmscher, D., Bulling, A. and Schmidt, A. (2019) Can Privacy-Aware Lifelogs Alter Our Memories? In: 37th Annual ACM CHI Conference on Human Factors in Computing Systems (CHI '19 Extended Abstracts), Glasgow, UK, 04-09 May 2019, LBW0244. ISBN 9781450359719 (doi:10.1145/3290607.3313052)

181982.pdf - Accepted Version



The abundance of automatically-triggered lifelogging cameras is a privacy threat to bystanders. Countering this by deleting photos limits relevant memory cues and the informative content of lifelogs. An alternative is to obfuscate bystanders, but it is not clear how this impacts the lifelogger's recall of memories. We report on a study in which we compare viewing 1) unaltered photos, 2) photos with blurred people, and 3) a subset of the photos after deleting private ones, on memory recall. Findings show that obfuscated content helps users recall a lot of content, but it also results in recalling less accurate details, which can sometimes mislead the user. Our work informs the design of privacy-aware lifelogging systems that maximizes recall and steers discussion about ubiquitous technologies that could alter human memories.

Item Type:Conference Proceedings
Additional Information:This work is partially conducted within the Amplify project (ERC) under the European Union’s Horizon 2020 research and innovation programme (grant agreement no. 683008).
Glasgow Author(s) Enlighten ID:Khamis, Dr Mohamed
Authors: Elagroudy, P., Khamis, M., Mathis, F., Irmscher, D., Bulling, A., and Schmidt, A.
College/School:College of Science and Engineering > School of Computing Science
Copyright Holders:Copyright © 2019 The Authors
Publisher Policy:Reproduced in accordance with the copyright policy of the publisher
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