Riemann, Jan (2019)
Interaction Concepts for Knowledge Work on Augmented Desktops.
Technische Universität Darmstadt
Dissertation, Erstveröffentlichung
Kurzbeschreibung (Abstract)
With the proliferation of computers in today's workplaces, work processes have changed: Especially in the field of knowledge work, which heavily relies on the use of information sources, electronic documents have become commonplace. However, despite the advantages of digital systems, like global access to information or advanced search facilities, physical media have not yet vanished. The amount of paper used is even still increasing. Even digitally available documents are often printed in order to leverage the unique affordances of printed paper (e.g., its flexibility, low weight, etc.). Another particular advantage of physical media on physical desks is their aptitude to support the spatial layout of sets of documents (e.g., piling or spreading them out or assigning categories to them through their spatial position, e.g., by placing them in the storage area vs. working area, or even more specialized areas on the desk for categories like "to be read" or "urgent"). As a result, most work processes do not only require the use of either digital or physical documents but the concurrent use of both types. We use the term "hybrid" to denote this concurrent use.
As of today, there is still only quite limited support for work practices that encompass digital and physical documents concurrently. According to common practice at stationary workplaces, digital documents are stored on a computer and viewed on a monitor in front of the user, while physical documents are placed on a desk, leading to a strict separation of digital and physical documents.
For several years, so-called digital tabletops have been available: desks with a large flat display acting as the desk surface, supplemented with touch-sensing capabilities. In principle, it is now possible for digital and physical documents to coexist on the table surface, laying the foundation for more sophisticated working practices. However, more than a decade since the advent of tabletops, the integration of digital and physical knowledge work still leaves a lot to be desired. Where digital tabletops are used today, their surface is always kept entirely clean of physical objects so as not to obstruct any of the interactive display surface. Since this is a quite alien use pattern for desks, tabletops have not yet gained a reasonable market share.
The primary goal of this thesis is to foster tighter integration between the digital and physical worlds. To do so, it first contributes the PeriTop concept, a two-class display concept that leverages the surfaces of objects as a secondary peripheral display in addition to the primary tabletop display. PeriTop serves as a basis for several further contributions presented in this thesis. All further contributions together are categorized into three main areas, namely, stationary hybrid knowledge work, layout for hybrid environments, and mobile workspaces.
In the first area, stationary hybrid knowledge work, this thesis contributes (1) ProjecTop, a novel concept for leveraging the surface of occluding objects to resolve occlusion "in situ" without the need for using additional display space on the tabletop, and (2) the StackTop concept for hybrid stacking, which allows arbitrary interweaving of digital and physical documents in a coherent stack.
In the second area, layout for hybrid environments, this thesis contributes (1) FreeTop, a flexible approach for assessing projection quality on surfaces in order to facilitate projection-based augmentation of physical objects, and (2) the FlowPut concept, an environment-aware layout system for interactive tangibles based on FreeTop.
In the third area, mobile workspaces, the aspect of mobile work in the context of hybrid work environments is tackled by contributing PiraTop, a concept for augmented reality (AR)-based remote access to stationary hybrid workspaces. It leverages the idea of spatial memory to facilitate access.
The final contribution of this thesis is the OverTop concept. OverTop combines the advantage of AR and the knowledge gained with PiraTop with the contributions on stationary desks, particularly PeriTop. Therefore, it considers head-mounted augmented reality displays as an addition to stationary tabletops, making the space above the desk surface and above the objects that populate the desk available for hybrid knowledge work.
The thesis concludes with a summary and an outlook on future work directions.
Typ des Eintrags: | Dissertation | ||||
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Erschienen: | 2019 | ||||
Autor(en): | Riemann, Jan | ||||
Art des Eintrags: | Erstveröffentlichung | ||||
Titel: | Interaction Concepts for Knowledge Work on Augmented Desktops | ||||
Sprache: | Englisch | ||||
Referenten: | Mühlhäuser, Prof. Dr. Max ; Borchers, Prof. Dr. Jan | ||||
Publikationsjahr: | 2019 | ||||
Ort: | Darmstadt | ||||
Datum der mündlichen Prüfung: | 20 Dezember 2018 | ||||
URL / URN: | https://tuprints.ulb.tu-darmstadt.de/8326 | ||||
Kurzbeschreibung (Abstract): | With the proliferation of computers in today's workplaces, work processes have changed: Especially in the field of knowledge work, which heavily relies on the use of information sources, electronic documents have become commonplace. However, despite the advantages of digital systems, like global access to information or advanced search facilities, physical media have not yet vanished. The amount of paper used is even still increasing. Even digitally available documents are often printed in order to leverage the unique affordances of printed paper (e.g., its flexibility, low weight, etc.). Another particular advantage of physical media on physical desks is their aptitude to support the spatial layout of sets of documents (e.g., piling or spreading them out or assigning categories to them through their spatial position, e.g., by placing them in the storage area vs. working area, or even more specialized areas on the desk for categories like "to be read" or "urgent"). As a result, most work processes do not only require the use of either digital or physical documents but the concurrent use of both types. We use the term "hybrid" to denote this concurrent use. As of today, there is still only quite limited support for work practices that encompass digital and physical documents concurrently. According to common practice at stationary workplaces, digital documents are stored on a computer and viewed on a monitor in front of the user, while physical documents are placed on a desk, leading to a strict separation of digital and physical documents. For several years, so-called digital tabletops have been available: desks with a large flat display acting as the desk surface, supplemented with touch-sensing capabilities. In principle, it is now possible for digital and physical documents to coexist on the table surface, laying the foundation for more sophisticated working practices. However, more than a decade since the advent of tabletops, the integration of digital and physical knowledge work still leaves a lot to be desired. Where digital tabletops are used today, their surface is always kept entirely clean of physical objects so as not to obstruct any of the interactive display surface. Since this is a quite alien use pattern for desks, tabletops have not yet gained a reasonable market share. The primary goal of this thesis is to foster tighter integration between the digital and physical worlds. To do so, it first contributes the PeriTop concept, a two-class display concept that leverages the surfaces of objects as a secondary peripheral display in addition to the primary tabletop display. PeriTop serves as a basis for several further contributions presented in this thesis. All further contributions together are categorized into three main areas, namely, stationary hybrid knowledge work, layout for hybrid environments, and mobile workspaces. In the first area, stationary hybrid knowledge work, this thesis contributes (1) ProjecTop, a novel concept for leveraging the surface of occluding objects to resolve occlusion "in situ" without the need for using additional display space on the tabletop, and (2) the StackTop concept for hybrid stacking, which allows arbitrary interweaving of digital and physical documents in a coherent stack. In the second area, layout for hybrid environments, this thesis contributes (1) FreeTop, a flexible approach for assessing projection quality on surfaces in order to facilitate projection-based augmentation of physical objects, and (2) the FlowPut concept, an environment-aware layout system for interactive tangibles based on FreeTop. In the third area, mobile workspaces, the aspect of mobile work in the context of hybrid work environments is tackled by contributing PiraTop, a concept for augmented reality (AR)-based remote access to stationary hybrid workspaces. It leverages the idea of spatial memory to facilitate access. The final contribution of this thesis is the OverTop concept. OverTop combines the advantage of AR and the knowledge gained with PiraTop with the contributions on stationary desks, particularly PeriTop. Therefore, it considers head-mounted augmented reality displays as an addition to stationary tabletops, making the space above the desk surface and above the objects that populate the desk available for hybrid knowledge work. The thesis concludes with a summary and an outlook on future work directions. |
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URN: | urn:nbn:de:tuda-tuprints-83264 | ||||
Sachgruppe der Dewey Dezimalklassifikatin (DDC): | 000 Allgemeines, Informatik, Informationswissenschaft > 004 Informatik | ||||
Fachbereich(e)/-gebiet(e): | 20 Fachbereich Informatik 20 Fachbereich Informatik > Telekooperation |
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Hinterlegungsdatum: | 03 Feb 2019 20:55 | ||||
Letzte Änderung: | 03 Feb 2019 20:55 | ||||
PPN: | |||||
Referenten: | Mühlhäuser, Prof. Dr. Max ; Borchers, Prof. Dr. Jan | ||||
Datum der mündlichen Prüfung / Verteidigung / mdl. Prüfung: | 20 Dezember 2018 | ||||
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