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Decision Graph Embedding for High-Resolution Manometry Diagnosis
Visual Computing Group, Ulm University, Ulm, Germany.
Department of Internal Medicine I, Ulm University, Ulm, Germany.
Department of Internal Medicine I, Ulm University, Ulm, Germany.
Visual Computing Group, Ulm University, Ulm, Germany.ORCID-id: 0000-0002-7857-5512
2018 (engelsk)Inngår i: IEEE Transactions on Visualization and Computer Graphics, ISSN 1077-2626, E-ISSN 1941-0506, IEEE Transactions on Visualization and Computer Graphics (Proceedings of IEEE SciVis 2017), Vol. 24, nr 1, s. 873-882Artikkel i tidsskrift (Fagfellevurdert) Published
Abstract [en]

High-resolution manometry is an imaging modality which enables the categorization of esophageal motility disorders. Spatio-temporal pressure data along the esophagus is acquired using a tubular device and multiple test swallows are performed by the patient. Current approaches visualize these swallows as individual instances, despite the fact that aggregated metrics are relevant in the diagnostic process. Based on the current Chicago Classification, which serves as the gold standard in this area, we introduce a visualization supporting an efficient and correct diagnosis. To reach this goal, we propose a novel decision graph representing the Chicago Classification with workflow optimization in mind. Based on this graph, we are further able to prioritize the different metrics used during diagnosis and can exploit this prioritization in the actual data visualization. Thus, different disorders and their related parameters are directly represented and intuitively influence the appearance of our visualization. Within this paper, we introduce our novel visualization, justify the design decisions, and provide the results of a user study we performed with medical students as well as a domain expert. On top of the presented visualization, we further discuss how to derive a visual signature for individual patients that allows us for the first time to perform an intuitive comparison between subjects, in the form of small multiples.

sted, utgiver, år, opplag, sider
Institute of Electrical and Electronics Engineers (IEEE), 2018. Vol. 24, nr 1, s. 873-882
Emneord [en]
Small multiples, manometry, chicago classification
HSV kategori
Identifikatorer
URN: urn:nbn:se:liu:diva-152564DOI: 10.1109/TVCG.2017.2744299ISI: 000418038400086Scopus ID: 2-s2.0-85028702559OAI: oai:DiVA.org:liu-152564DiVA, id: diva2:1261286
Tilgjengelig fra: 2018-11-06 Laget: 2018-11-06 Sist oppdatert: 2018-11-13bibliografisk kontrollert

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