Zhanna Sarsenbayeva

Application of miniaturized near-infrared spectroscopy in pharmaceutical identification

Y Chen, N van Berkel, C Luo, Z Sarsenbayeva, V Kostakos

Journal article  |  2020  |  Smart Health

NIRS is a spectroscopic method that propagates near-infrared waves through objects and measures the absorbance by diffuse reflecti..

Does Smartphone Use Drive our Emotions or vice versa? A Causal Analysis

Zhanna Sarsenbayeva, Gabriele Marini, Niels van Berkel, Chu Luo, Weiwei JIANG, Kangning YANG, Greg Wadley, Tilman Dingler, Jorge Goncalves, Vassilis Kostakos

Conference Proceedings  |  2020  |  Proceedings of the 2020 CHI Conference on Human Factors in Computing Systems - CHI '20

In this paper, we demonstrate the existence of a bidirectional causal relationship between smartphone application use and user emo..

Accurate Measurement of Handwash Quality Using Sensor Armbands: Instrument Validation Study

Chaofan Wang, Zhanna Sarsenbayeva, Xiuge Chen, Tilman Dingler, Jorge Goncalves, Vassilis Kostakos

Journal article  |  2020  |  JMIR mHealth and uHealth

Background: Hand hygiene is a crucial and cost-effective method to prevent health care–associated infections, and in 2009, the Wor..

Overcoming compliance bias in self-report studies: A cross-study analysis

Niels van Berkel, Jorge Goncalves, Simo Hosio, Zhanna Sarsenbayeva, Eduardo Velloso, Vassilis Kostakos

Journal article  |  2020  |  International Journal of Human-Computer Studies

A popular methodology used for in situ observations is the Experience Sampling Method (ESM), in which participants intermittently ..

Benchmarking commercial emotion detection systems using realistic distortions of facial image datasets

K Yang, C Wang, Z Sarsenbayeva, B Tag, T Dingler, G Wadley, J Goncalves

Journal article  |  2020  |  The Visual Computer

Currently, there are several widely used commercial cloud-based services that attempt to recognize an individual’s emotions based ..

Probing Sucrose Contents in Everyday Drinks Using Miniaturized Near-Infrared Spectroscopy Scanners

Weiwei Jiang, Gabriele Marini, Niels van Berkel, Zhanna Sarsenbayeva, Zheyu Tan, Chu Luo, Xin He, Tilman Dingler, Jorge Goncalves, Yoshihiro Kawahara, Vassilis Kostakos

Journal article  |  2019  |  Proceedings of the ACM on Interactive Mobile Wearable and Ubiquitous Technologies

Near-Infrared Spectroscopy (NIRS) is a non-invasive sensing technique which can be used to acquire information on an object's chem..

Effect of Ambient Light on Mobile Interaction

Zhanna Sarsenbayeva, Niels van Berkel, Weiwei Jiang, Danula Hettiachchi, Vassilis Kostakos, Jorge Goncalves

Conference Proceedings  |  2019  |  Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics)

In this work we investigate the effect of ambient light on performance during mobile interaction. We evaluate three conditions of ..

Addressing the challenges of situationally-induced impairments and disabilities in mobile interaction

GW Tigwell, BM Gorman, J Goncalves, JO Wobbrock, Z Sarsenbayeva, DR Flatla, Y Yesilada

Conference Proceedings  |  2019  |  Extended Abstracts of the 2019 CHI Conference on Human Factors in Computing Systems

© 2019 Copyright held by the owner/author(s). Situationally-induced impairments and disabilities (SIIDs) make it difficult for use..

Energy-efficient prediction of smartphone unlocking

Chu Luo, Aku Visuri, Simon Klakegg, Niels van Berkel, Zhanna Sarsenbayeva, Antti Mottonen, Jorge Goncalves, Theodoros Anagnostopoulos, Denzil Ferreira, Huber Flores, Eduardo Velloso, Vassilis Kostakos

Journal article  |  2019  |  Personal and Ubiquitous Computing

Measuring the Effects of Stress on Mobile Interaction

Zhanna Sarsenbayeva, Niels van Berkel, Danula Hettiachchi, Weiwei Jiang, Tilman Dingler, Eduardo Velloso, Vassilis Kostakos, Jorge Goncalves

Journal article  |  2019  |  Proceedings of the ACM on Interactive Mobile Wearable and Ubiquitous Technologies

Research shows that environmental factors such as ambient noise and cold ambience can render users situationally impaired, adverse..