Search Results - "Ojala, Timo"

Exploring the Efficacy of Base Data Augmentation Methods in Deep Learning-Based Radiograph Classification of Knee Joint Osteoarthritis by Prezja, Fabi, Annala, Leevi, Kiiskinen, Sampsa, Ojala, Timo

“…Diagnosing knee joint osteoarthritis (KOA), a major cause of disability worldwide, is challenging due to subtle radiographic indicators and the varied…”
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Improved accuracy in colorectal cancer tissue decomposition through refinement of established deep learning solutions by Prezja, Fabi, Äyrämö, Sami, Pölönen, Ilkka, Ojala, Timo, Lahtinen, Suvi, Ruusuvuori, Pekka, Kuopio, Teijo

“…Hematoxylin and eosin-stained biopsy slides are regularly available for colorectal cancer patients. These slides are often not used to define objective…”
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Multipurpose Interactive Public Displays in the Wild: Three Years Later by Ojala, T., Kostakos, V., Kukka, H., Heikkinen, T., Linden, T., Jurmu, M., Hosio, S., Kruger, F., Zanni, D.

“…Extended research on interactive public displays deployed in a city center reveals differences between the public's stated information needs and their actual…”
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Improving performance in colorectal cancer histology decomposition using deep and ensemble machine learning by Prezja, Fabi, Annala, Leevi, Kiiskinen, Sampsa, Lahtinen, Suvi, Ojala, Timo, Ruusuvuori, Pekka, Kuopio, Teijo

“…In routine colorectal cancer management, histologic samples stained with hematoxylin and eosin are commonly used. Nonetheless, their potential for defining…”
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The cat is out of the bag: the effect of virtual characters and scale cues on physics coherence by Pouke, Matti, Pouke, Sakaria, Center, Evan G., Chambers, Alexis P., Ojala, Timo, LaValle, Steven M.

“…According to previous research, humans are exceptionally skilled at distinguishing earth-congruent object trajectories from earth-discrepant ones. Inconsistent…”
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Embedding virtual environments into the physical world: memorability and co-presence in the context of pervasive location-based games by Alavesa, Paula, Pakanen, Minna, Ojala, Timo, Pouke, Matti, Kukka, Hannu, Samodelkin, Alexander, Voroshilov, Alexander, Abdellatif, Mohamed

“…Realistic 3D virtual environments, such as existing city models, have the potential to be used in pervasive games as a passageway between physical and virtual…”
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Where am I? Location archetype keyword extraction from urban mobility patterns by Kostakos, Vassilis, Juntunen, Tomi, Goncalves, Jorge, Hosio, Simo, Ojala, Timo

“…Can online behaviour be used as a proxy for studying urban mobility? The increasing availability of digital mobility traces has provided new insights into…”
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The Body Scaling Effect and Its Impact on Physics Plausibility by Pouke, Matti, Center, Evan G., Chambers, Alexis P., Pouke, Sakaria, Ojala, Timo, Lavalle, Steven M.

“…In this study we investigated the effect of body ownership illusion-based body scaling on physics plausibility in Virtual Reality (VR). Our interest was in…”
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The Plausibility Paradox for Resized Users in Virtual Environments by Pouke, Matti, Mimnaugh, Katherine J., Chambers, Alexis P., Ojala, Timo, LaValle, Steven M.

“…This paper identifies and confirms a perceptual phenomenon: when users interact with simulated objects in a virtual environment where the users’ scale deviates…”
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Ludic Markers for Player-Player Observation in Location-Based Mobile Games by Alavesa, Paula, Pakanen, Minna, Ojala, Timo, Asare, Kennedy Opoku, Ojala, Karri, Lehto, Mikko, Kukka, Hannu

“…Background. It can be difficult to capture the subtleties of social behavior during gameplay by using existing commercial location-based mobile games as a…”
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Applying a Living Lab Approach Within an eHealth Accelerator by Haukipuro, Lotta, Väinämö, Satu, Arhippainen, Leena, Ojala, Timo

“…Through this study, we seek to understand the impact of the use of the living lab approach on product and business development in an eHealth accelerator. In…”
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Mobile Agents for Integration of Internet of Things and Wireless Sensor Networks by Leppanen, Teemu, Meirong Liu, Harjula, Erkki, Ramalingam, Archana, Ylioja, Jani, Narhi, Pauli, Riekki, Jukka, Ojala, Timo

“…We demonstrate interoperable mobile agents to integrate Internet of Things and wireless sensor networks with resource-constrained low-power embedded networked…”
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Traffic in the Smart City: Exploring City-Wide Sensing for Traffic Control Center Augmentation by Kostakos, Vassilis, Ojala, Timo, Juntunen, Tomi

“…Smart city technologies can provide substantial benefits that improve people's daily lives. Here, the authors investigate how ubiquitous traffic sensing…”
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“Nice to see you virtually”: Thoughtful design and evaluation of virtual avatar of the other user in AR and VR based telexistence systems by Pakanen, Minna, Alavesa, Paula, van Berkel, Niels, Koskela, Timo, Ojala, Timo

“…•Thoughtful design and evaluation of 36 comparable avatar designs.•Two studies, a user study with implemented prototype and post survey with videos.•A…”
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Design and evolution of web-based screen management middleware for interactive multipurpose public displays by Heikkinen, Tommi, Ojala, Timo

“…•Web-based toolkit for multipurpose public displays and multi-device interfaces.•Spatiotemporal multiplexing of digital signage with interactive…”
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Application of Self-Organizing Maps in Conformational Analysis of Lipids by Hyvönen, Marja T, Hiltunen, Yrjö, El-Deredy, Wael, Ojala, Timo, Vaara, Juha, Kovanen, Petri T, Ala-Korpela, Mika

“…The characteristics of lipid assemblies are important for the functions of biological membranes. This has led to an increasing utilization of molecular…”
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Multiresolution gray-scale and rotation invariant texture classification with local binary patterns by Ojala, T., Pietikainen, M., Maenpaa, T.

“…Presents a theoretically very simple, yet efficient, multiresolution approach to gray-scale and rotation invariant texture classification based on local binary…”
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Toward Meaningful Engagement with Pervasive Displays by Hosio, Simo, Kukka, Hannu, Goncalves, Jorge, Kostakos, Vassilis, Ojala, Timo

“…Despite the growing literature on public displays, there have been only a few initiatives to clearly map the various obstacles to sustained and meaningful…”
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Virtual Reality Sickness Reduces Attention During Immersive Experiences by Mimnaugh, Katherine J., Center, Evan G., Suomalainen, Markku, Becerra, Israel, Lozano, Eliezer, Murrieta-Cid, Rafael, Ojala, Timo, LaValle, Steven M., Federmeier, Kara D.

“…In this paper, we show that Virtual Reality (VR) sickness is associated with a reduction in attention, which was detected with the P3b Event-Related Potential…”
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Municipal WiFi and interactive displays: Appropriation of new technologies in public urban spaces by Ylipulli, Johanna, Suopajärvi, Tiina, Ojala, Timo, Kostakos, Vassilis, Kukka, Hannu

“…This study focuses on the appropriation process of two public computing infrastructures in the City of Oulu, Finland, a municipal WiFi network and large…”
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