Yifang Li

schoolClemson Universitybar_chart#2181 Global Rank

Total Papers

HCI Rank

#2181

Research Areas

Years Active

Recent Publications

Obfuscation Remedies Harms Arising from Content Flagging of Photos

People share photos on Social Networks Sites, but at the same time want to keep some photo content private. This tension between sharing and privacy has led researchers to try to solve this problem, but without considering users’ needs. To fill this gap, we present a novel interface that expands privacy options beyond…

CHI '201st AuthorPrivacy by Design & User Control +1

Towards A Taxonomy of Content Sensitivity and Sharing Preferences for Photos

Determining which photos are sensitive is difficult. Although emerging computer vision systems can label content items, previous attempts to distinguish private or sensitive content fall short. There is no human-centered taxonomy that describes what content is sensitive or how sharing preferences for content differs a…

CHI '192nd AuthorAI Ethics, Fairness & Accountability +1

Can Privacy Be Satisfying? On Improving Viewer Satisfaction for Privacy-Enhanced Photos Using Aesthetic Transforms

Pervasive photo sharing in online social media platforms can cause unintended privacy violations when elements of an image reveal sensitive information. Prior studies have identified image obfuscation methods (e.g., blurring) to enhance privacy, but many of these methods adversely affect viewers' satisfaction with the…

CHI '183rd AuthorPrivacy by Design & User Control +1

Viewer Experience of Obscuring Scene Elements in Photos to Enhance Privacy

With the rise of digital photography and social networking, people are sharing personal photos online at an unprecedented rate. In addition to their main subject matter, photographs often capture various incidental information that could harm people's privacy. While blurring and other image filters may help obscur…

CSCW '181st AuthorPrivacy and Security

Effectiveness and Users' Experience of Obfuscation as a Privacy-Enhancing Technology for Sharing Photos

Current collaborative photo privacy protection solutions can be categorized into two approaches: controlling the recipient, which restricts certain viewers' access to the photo, and controlling the content, which protects all or part of the photo from being viewed. Focusing on the latter approach, we introduce privacy…

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