5 papers
DIME: An Online Tool for the Visual Comparison of Cross-Modal Retrieval Models
Tony Zhao, Jaeyoung Choi, Gerald Friedland
Cross-modal retrieval relies on accurate models to retrieve relevant results for queries across modalities such as image, text, and video. In this paper, we build upon previous wor…
Cybercasing 2.0: You Get What You Pay For
Jaeyoung Choi, Istemi Ekin Akkus, Serge Egelman +4
Under U.S. law, marketing databases exist under almost no legal restrictions concerning accuracy, access, or confidentiality. We explore the possible (mis)use of these databases in…
The Accuracy of the Demographic Inferences Shown on Google's Ad Settings
Michael Carl Tschantz, Serge Egelman, Jaeyoung Choi +2
Google's Ad Settings shows the gender and age that Google has inferred about a web user. We compare the inferred values to the self-reported values of 501 survey participants. We f…
Field Studies with Multimedia Big Data: Opportunities and Challenges (Extended Version)
Mario Michael Krell, Julia Bernd, Yifan Li +5
Social multimedia users are increasingly sharing all kinds of data about the world. They do this for their own reasons, not to provide data for field studies-but the trend presents…
Where to be wary: The impact of widespread photo-taking and image enhancement practices on users' geo-privacy
Jaeyoung Choi, Martha Larson, Xinchao Li +2
Today's geo-location estimation approaches are able to infer the location of a target image using its visual content alone. These approaches exploit visual matching techniques, app…