Tonja-Katrin Machulla

schoolChemnitz University of Technologybar_chart#3059 Global Rank

Total Papers

HCI Rank

#3059

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Years Active

Recent Publications

Latest papers from Tonja-Katrin Machulla

CHI '253rd AuthorContext-Aware Computing +1

Pixel Memories: Do Lifelog Summaries Fail to Enhance Memory but Offer Privacy-Aware Memory Assessments?

We explore the metaphorical "daily memory pill" concept – a brief pictorial lifelog recap aimed at reviving and preserving memories. Leveraging psychological strategies, we explore the potential of such summaries to boost autobiographical memory. We developed an automated lifelogging memory prosthesis and a research…

UBICOMP '235th+ AuthorVibrotactile Feedback & Skin Stimulation

Towards a Haptic Taxonomy of Emotions: Exploring Vibrotactile Stimulation in the Dorsal Region

The implicit communication of emotional states between persons is a key use case for novel assistive and augmentation technologies. It can serve to expand individuals' perceptual capabilities and assist neurodivergent individuals. Notably, vibrotactile rendering is a promising method for delivering emotional informati…

CHI '23CorrespondingMotor Impairment Assistive Input Technologies +2

Understanding the Perception of Human Augmentation: A Mixed-Method Study

Technologies that help users overcome their limitations and integrate with the human body are often termed ``human augmentations''. Such technologies are now available on the consumer market, potentially supporting people in their everyday activities. To date, there is no systematic understanding of the perception of…

CHI '23CorrespondingVisual Impairment Technologies (Screen Readers, Tactile Graphics, Braille) +1

BrailleBuddy: A Tangible User Interface to Support Children with Visual Impairment in Learning Braille

Learning to read Braille is crucial to academic success for people with blindness or severe visual impairment. In our work, we investigate how we can support early learning of Braille with tangible computing. In a human-centered inclusive design process with interviews, six design iterations with prototypes, and feedb…

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