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- affiliation: University of Oulu, Finland
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2020 – today
- 2024
[j31]Fabi Prezja
, Leevi Annala, Sampsa Kiiskinen, Timo Ojala:
Exploring the Efficacy of Base Data Augmentation Methods in Deep Learning-Based Radiograph Classification of Knee Joint Osteoarthritis. Algorithms 17(1): 8 (2024)- [j30]Steven M. LaValle, Evan G. Center, Timo Ojala, Matti Pouke, Nicoletta Prencipe, Basak Sakcak, Markku Suomalainen, Kalle G. Timperi, Vadim Weinstein:
From Virtual Reality to the Emerging Discipline of Perception Engineering. Annu. Rev. Control. Robotics Auton. Syst. 7(1) (2024) - [j29]Matti Pouke, Elmeri Uotila, Evan G. Center, Kalle G. Timperi, Alexis P. Chambers, Timo Ojala, Steven M. LaValle:
Adaptation to Simulated Hypergravity in a Virtual Reality Throwing Task. ACM Trans. Appl. Percept. 21(2): 8 (2024) - [i14]Steven M. LaValle, Evan G. Center, Timo Ojala, Matti Pouke, Nicoletta Prencipe, Basak Sakcak, Markku Suomalainen, Kalle G. Timperi, Vadim K. Weinstein:
From Virtual Reality to the Emerging Discipline of Perception Engineering. CoRR abs/2403.18588 (2024) - [i13]Anna Yershova, Elmeri Uotila, Katherine J. Mimnaugh, Nicoletta Prencipe, M. Manivannan, Timo Ojala, Steven M. LaValle:
Look-and-Twist: A Simple Selection Method for Virtual and Augmented Reality. CoRR abs/2410.09820 (2024) - 2023
- [j28]Katherine J. Mimnaugh, Evan G. Center, Markku Suomalainen, Israel Becerra, Eliezer Lozano, Rafael Murrieta-Cid, Timo Ojala, Steven M. LaValle, Kara D. Federmeier:
Virtual Reality Sickness Reduces Attention During Immersive Experiences. IEEE Trans. Vis. Comput. Graph. 29(11): 4394-4404 (2023) - [i12]Katherine J. Mimnaugh, Evan G. Center, Markku Suomalainen, Israel Becerra, Eliezer Lozano, Rafael Murrieta-Cid, Timo Ojala, Steven M. LaValle, Kara D. Federmeier:
Virtual Reality Sickness Reduces Attention During Immersive Experiences. CoRR abs/2306.13505 (2023) - [i11]Fabi Prezja, Leevi Annala, Sampsa Kiiskinen, Suvi Lahtinen, Timo Ojala, Pekka Ruusuvuori, Teijo Kuopio:
Improving Performance in Colorectal Cancer Histology Decomposition using Deep and Ensemble Machine Learning. CoRR abs/2310.16954 (2023) - [i10]Fabi Prezja, Leevi Annala, Sampsa Kiiskinen, Suvi Lahtinen, Timo Ojala:
Synthesizing Bidirectional Temporal States of Knee Osteoarthritis Radiographs with Cycle-Consistent Generative Adversarial Neural Networks. CoRR abs/2311.05798 (2023) - [i9]Fabi Prezja, Leevi Annala, Sampsa Kiiskinen, Suvi Lahtinen, Timo Ojala:
Adaptive Variance Thresholding: A Novel Approach to Improve Existing Deep Transfer Vision Models and Advance Automatic Knee-Joint Osteoarthritis Classification. CoRR abs/2311.05799 (2023) - [i8]Fabi Prezja, Leevi Annala, Sampsa Kiiskinen, Timo Ojala:
Exploring the Efficacy of Base Data Augmentation Methods in Deep Learning-Based Radiograph Classification of Knee Joint Osteoarthritis. CoRR abs/2311.06118 (2023) - 2022
- [j27]Minna Pakanen, Paula Alavesa, Niels van Berkel, Timo Koskela, Timo Ojala:
"Nice to see you virtually": Thoughtful design and evaluation of virtual avatar of the other user in AR and VR based telexistence systems. Entertain. Comput. 40: 100457 (2022) - [j26]Matti Pouke, Evan G. Center, Alexis P. Chambers, Sakaria Pouke, Timo Ojala, Steven M. LaValle:
The Body Scaling Effect and Its Impact on Physics Plausibility. Frontiers Virtual Real. 3: 869603 (2022) - [j25]Matti Pouke, Johanna Ylipulli, Elmeri Uotila, Anna-Kaisa Sitomaniemi, Sakaria Pouke, Timo Ojala:
A Qualitative Case Study on Deconstructing Presence for Young Adults and Older Adults. Presence Teleoperators Virtual Environ. 31: 257-281 (2022) - [c122]Markku Suomalainen, Basak Sakcak, Adhi Widagdo, Juho Kalliokoski, Katherine J. Mimnaugh, Alexis P. Chambers, Timo Ojala, Steven M. LaValle:
Unwinding Rotations Improves User Comfort with Immersive Telepresence Robots. HRI 2022: 511-520 - [c121]Juho Kalliokoski, Basak Sakcak, Markku Suomalainen, Katherine J. Mimnaugh, Alexis P. Chambers, Timo Ojala, Steven M. LaValle:
HI-DWA: Human-Influenced Dynamic Window Approach for Shared Control of a Telepresence Robot. IROS 2022: 7696-7703 - [c120]Joona Halkola, Markku Suomalainen, Basak Sakcak, Katherine J. Mimnaugh, Juho Kalliokoski, Alexis P. Chambers, Timo Ojala, Steven M. LaValle:
Leaning-Based Control of an Immersive-Telepresence Robot. ISMAR 2022: 576-583 - [i7]Markku Suomalainen, Basak Sakcak, Adhi Widagdo, Juho Kalliokoski, Katherine J. Mimnaugh, Alexis P. Chambers, Timo Ojala, Steven M. LaValle:
Unwinding Rotations Improves User Comfort with Immersive Telepresence Robots. CoRR abs/2201.02392 (2022) - [i6]Adhi Widagdo, Markku Suomalainen, Basak Sakcak, Katherine J. Mimnaugh, Juho Kalliokoski, Alexis P. Chambers, Timo Ojala, Steven M. LaValle:
A Study of Preference and Comfort for Users Immersed in a Telepresence Robot. CoRR abs/2203.02699 (2022) - [i5]Juho Kalliokoski, Basak Sakcak, Markku Suomalainen, Katherine J. Mimnaugh, Alexis P. Chambers, Timo Ojala, Steven M. LaValle:
HI-DWA: Human-Influenced Dynamic Window Approach for Shared Control of a Telepresence Robot. CoRR abs/2203.02703 (2022) - [i4]Matti Pouke, Evan G. Center, Alexis P. Chambers, Sakaria Pouke, Timo Ojala, Steven M. LaValle:
The Body Scaling Effect and Its Impact on Physics Plausibility. CoRR abs/2206.15218 (2022) - [i3]Joona Halkola, Markku Suomalainen, Basak Sakcak, Katherine J. Mimnaugh, Juho Kalliokoski, Alexis P. Chambers, Timo Ojala, Steven M. LaValle:
Leaning-Based Control of an Immersive-Telepresence Robot. CoRR abs/2208.10613 (2022) - 2021
- [j24]Matti Pouke, Katherine J. Mimnaugh, Alexis Chambers, Timo Ojala, Steven M. LaValle:
The Plausibility Paradox for Resized Users in Virtual Environments. Frontiers Virtual Real. 2: 655744 (2021) - [e5]Steven M. LaValle, Ming Lin, Timo Ojala, Dylan A. Shell, Jingjin Yu:
Algorithmic Foundations of Robotics XIV, Proceedings of the Fourteenth Workshop on the Algorithmic Foundations of Robotics, WAFR 2021, Oulu, Finland, June 21-23, 2021. Springer Proceedings in Advanced Robotics 17, Springer 2021, ISBN 978-3-030-66722-1 [contents] - [i2]Matti Pouke, Katherine J. Mimnaugh, Alexis Chambers, Timo Ojala, Steven M. LaValle:
The Plausibility Paradox for Resized Users in Virtual Environments. CoRR abs/2102.03179 (2021) - 2020
- [j23]Minna Pakanen, Paula Alavesa, Leena Arhippainen, Timo Ojala:
Stepping Out of the Classroom: Anticipated User Experiences of Web-based Mirror World Like Virtual Campus. Int. J. Virtual Pers. Learn. Environ. 10(1): 1-23 (2020) - [j22]Paula Alavesa, Minna Pakanen, Timo Ojala, Matti Pouke, Hannu Kukka, Alexander Samodelkin, Alexander Voroshilov, Mohamed Abdellatif:
Embedding virtual environments into the physical world: memorability and co-presence in the context of pervasive location-based games. Multim. Tools Appl. 79(5-6): 3285-3309 (2020) - [c119]Matti Pouke, Katherine J. Mimnaugh, Timo Ojala, Steven M. LaValle:
The Plausibility Paradox For Scaled-Down Users In Virtual Environments. VR 2020: 913-921
2010 – 2019
- 2019
- [c118]Matti Pouke, Johanna Ylipulli, Satu Rantala, Paula Alavesa, Toni Alatalo, Timo Ojala:
A Qualitative Study on the Effects of Real-World Stimuli and Place Familiarity on Presence. WEVR@VR 2019: 1-6 - [c117]Ciprian Florea, Paula Alavesa, Leena Arhippainen, Matti Pouke, Weiping Huang, Lotta Haukipuro, Satu Väinärnö, Arttu Niemelä, Marta Cortés Orduña, Minna Pakanen, Timo Ojala:
Extending a User Involvement Tool with Virtual and Augmented Reality. VR 2019: 925-926 - [c116]Oona Kivelä, Paula Alavesa, Aku Visuri, Timo Ojala:
Study on the Motivational and Physical Effects of Two VR Exergames. VS-GAMES 2019: 1-2 - [i1]Matti Pouke, Katherine J. Mimnaugh, Timo Ojala, Steven M. LaValle:
The Plausibility Paradox in Small-Scale Virtual Environments. CoRR abs/1912.01947 (2019) - 2018
- [c115]Paula Alavesa, Minna Pakanen, Arttu Niemelä, Weiping Huang, Satu Väinämö, Lotta Haukipuro, Leena Arhippainen, Timo Ojala:
Mobile Augmented Reality Client as a UX Method for Living Lab's User Involvement Tool. MindTrek 2018: 135-142 - [c114]Hannu Kukka, Tommi Heikkinen, Henri Kytökangas, Taru Tanska, Timo Ojala:
UbiLibrary: Situated Large Public Display as Interactive Interface to Library Services. MindTrek 2018: 192-201 - [c113]Matti Pouke, Johanna Ylipulli, Ilya Minyaev, Minna Pakanen, Paula Alavesa, Toni Alatalo, Timo Ojala:
Virtual Library: Blending Mirror and Fantasy Layers into a VR Interface for a Public Library. MUM 2018: 227-231 - [c112]Ilya Minyaev, Matti Pouke, Johanna Ylipulli, Timo Ojala:
Implementation of a Virtual Reality Interface for a Public Library. MUM 2018: 513-519 - [c111]Harri Holappa, Johanna Ylipulli, Sami Rautiainen, Ilya Minyaev, Matti Pouke, Timo Ojala:
VR Application for Technology Education in a Public Library. MUM 2018: 521-527 - [c110]Matti Pouke, Arttu Tiiro, Steven M. LaValle, Timo Ojala:
Effects of Visual Realism and Moving Detail on Cybersickness. VR 2018: 665-666 - 2017
- [c109]Johanna Ylipulli, Anna Luusua, Timo Ojala:
On Creative Metaphors in Technology Design: Case "Magic": Full paper. C&T 2017: 280-289 - [c108]Paula Alavesa, Minna Pakanen, Hannu Kukka, Matti Pouke, Timo Ojala:
Anarchy or Order on the Streets: Review Based Characterization of Location Based Mobile Games. CHI PLAY 2017: 101-113 - [c107]Hannu Kukka, Minna Pakanen, Mahmoud Badri, Timo Ojala:
Immersive Street-level Social Media in the 3D Virtual City: Anticipated User Experience and Conceptual Development. CSCW 2017: 2422-2435 - [c106]Erkki Harjula, Timo Ojala, Mika Ylianttila:
Energy-efficient peer-to-peer networking for constrained-capacity mobile environments. IM 2017: 858-864 - [c105]Hannu Kukka, Johanna Ylipulli, Jorge Gonçalves, Timo Ojala, Matias Kukka, Mirja Syrjälä:
Creator-centric study of digital art exhibitions on interactive public displays. MUM 2017: 37-48 - [c104]Minna Pakanen, Paula Alavesa, Hannu Kukka, Peetu Nuottajärvi, Zacharias Hellberg, Lari-Matias Orjala, Niko Kupari, Timo Ojala:
Hybrid campus art: bridging two realities through 3D art. MUM 2017: 393-399 - [c103]Georgi V. Georgiev, Kaori Yamada, Toshiharu Taura, Vassilis Kostakos, Matti Pouke, Sylvia Tzvetanova Yung, Timo Ojala:
Augmenting creative design thinking using networks of concepts. VR 2017: 243-244 - [c102]Toni Alatalo, Matti Pouke, Timo Koskela, Tomi Hurskainen, Ciprian Florea, Timo Ojala:
Two real-world case studies on 3D web applications for participatory urban planning. Web3D 2017: 11:1-11:9 - [c101]Timo Koskela, Matti Pouke, Arto Heikkinen, Toni Alatalo, Paula Alavesa, Timo Ojala:
DRUMM: Dynamic viewing of large-scale 3D city models on the web. VS-GAMES 2017: 8-14 - [c100]Paula Alavesa, Minna Pakanen, Alexander Voroshilov, Hannu Kukka, Alexander Samodelkin, Timo Ojala, Matti Pouke:
City knights: Spatial realism and memorability of virtual game scenes in pervasive gameplay. VS-GAMES 2017: 71-78 - [c99]Mahmoud Badri, Minna Pakanen, Paula Alavesa, Hannu Kukka, Timo Ojala:
Design, development, and usability evaluation of a system for adding and editing social media banners in the immersive street-level 3D virtual city. VS-GAMES 2017: 102-108 - 2016
- [j21]Simo Hosio, Hannu Kukka, Jorge Gonçalves, Vassilis Kostakos, Timo Ojala:
Toward Meaningful Engagement with Pervasive Displays. IEEE Pervasive Comput. 15(3): 24-31 (2016) - [j20]Erkki Harjula, Andrei V. Gurtov, Timo Koskela, Timo Ojala, Mika Ylianttila:
Energy-aware load monitoring for improving battery life of mobile peer-to-peer nodes. Sustain. Comput. Informatics Syst. 12: 43-54 (2016) - [c98]Hannu Kukka, Pauli Marjakangas, Vili Kellokumpu, Timo Ojala:
Spontaneous Device Association Using Inaudible Audio Signatures. Audio Mostly Conference 2016: 91-96 - [c97]Mounib Mazouzi, Paula Alavesa, Timo Koskela, Timo Ojala:
Ghost hunters: ambient light and hand gesture utilization in mobile augmented reality games. MUM 2016: 365-367 - [c96]Matti Pouke, Timo Koskela, San Günes, Matti Matero, Karri Ojala, Jukka Pajukangas, Niko Pietikäinen, Timo Ojala:
3D visualization of a public transportation system. MUM 2016: 377-379 - [c95]Johanna Ylipulli, Jenny Kangasvuo, Toni Alatalo, Timo Ojala:
Chasing Digital Shadows: Exploring Future Hybrid Cities through Anthropological Design Fiction. NordiCHI 2016: 78 - [c94]Ashley Colley, Lasse Virtanen, Timo Ojala, Jonna Häkkilä:
Guided touch screen: enhanced eyes-free interaction. PerDis 2016: 80-86 - [c93]Paula Alavesa, Alexander Samodelkin, Esa Jääskelä, Riku Tanskanen, Bo Li, Timo Ojala, Hannu Kukka:
Campus knights: situated pervasive display as a window into pseudo-immersive game world. PerDis 2016: 132-139 - [c92]Timo Koskela, Matti Pouke, Paula Alavesa, Hannu Kukka, Minna Pakanen, Toni Alatalo, Timo Ojala:
Hybrid avatars: enabling co-presence in multiple realities. Web3D 2016: 69-72 - [c91]Toni Alatalo, Timo Koskela, Matti Pouke, Paula Alavesa, Timo Ojala:
VirtualOulu: collaborative, immersive and extensible 3D city model on the web. Web3D 2016: 95-103 - [e4]Jonna Häkkilä, Timo Ojala:
Proceedings of the 15th International Conference on Mobile and Ubiquitous Multimedia, Rovaniemi, Finland, December 12-15, 2016. ACM 2016, ISBN 978-1-4503-4860-7 [contents] - [e3]Timo Ojala, Vassilis Kostakos, Jörg Müller, Nemanja Memarovic:
Proceedings of the 5th ACM International Symposium on Pervasive Displays, PerDis 2016, Oulu, Finland, June 20 - 22, 2016. ACM 2016, ISBN 978-1-4503-4366-4 [contents] - 2015
- [j19]Tommi Heikkinen, Timo Ojala:
Design and evolution of web-based screen management middleware for interactive multipurpose public displays. Displays 39: 42-54 (2015) - [j18]Mikko Perttunen, Vassilis Kostakos, Jukka Riekki, Timo Ojala:
Urban traffic analysis through multi-modal sensing. Pers. Ubiquitous Comput. 19(3-4): 709-721 (2015) - [c90]Anna Luusua, Johanna Ylipulli, Marko Jurmu, Henrika Pihlajaniemi, Piia Markkanen, Timo Ojala:
Evaluation Probes. CHI 2015: 85-94 - [c89]Paula Alavesa, Timo Ojala:
Street art gangs: location based hybrid reality game. MUM 2015: 64-74 - [c88]Hannu Kukka, Jorge Gonçalves, Alexander Samodelkin, Timo Ojala:
Opportunistic at-glance information acquisition on interactive public displays. MUM 2015: 323-327 - [c87]Hannu Kukka, Jorge Gonçalves, Tommi Heikkinen, Olli-Pekka Suua, Yifei Zuo, Hannu Raappana, Mohamed Abdellatif, Olli Okkonen, Raúl Jiménez, Timo Ojala:
Touch OK to Continue: Error Messages and Affective Response on Interactive Public Displays. PerDis 2015: 99-105 - 2014
- [j17]Paula Alavesa, Timo Ojala, Daniele Zanni:
Props: 3D-game-like mediator for improvisational storytelling. Entertain. Comput. 5(4): 381-390 (2014) - [j16]Mikko Perttunen, Vassilis Kostakos, Jukka Riekki, Timo Ojala:
Spatio-temporal patterns link your digital identities. Comput. Environ. Urban Syst. 47: 58-67 (2014) - [c86]Johanna Ylipulli, Anna Luusua, Hannu Kukka, Timo Ojala:
Winter is coming: introducing climate sensitive urban computing. Conference on Designing Interactive Systems 2014: 647-656 - [c85]Erkki Harjula, Teemu Leppänen, Timo Ojala, Mika Ylianttila:
ADHT: Agent-based DHT architecture for constrained devices. GLOBECOM 2014: 2763-2769 - [c84]Jukka-Pekka Laulajainen, Åke Arvidsson, Timo Ojala, Janne Seppänen, Manxing Du:
Study of YouTube demand patterns in mixed public and campus WiFi network. IWCMC 2014: 635-641 - [c83]Marko Jurmu, Jorge Gonçalves, Jukka Riekki, Timo Ojala:
Exploring use and appropriation of a non-moderated community display. MUM 2014: 107-115 - [c82]Tommi Heikkinen, Petri Luojus, Timo Ojala:
UbiBroker: Event-based communication architecture for pervasive display networks. PerCom Workshops 2014: 512-518 - [c81]Marcus Foth, Tommi Heikkinen, Johanna Ylipulli, Anna Luusua, Christine Satchell, Timo Ojala:
UbiOpticon: Participatory Sousveillance with Urban Screens and Mobile Phone Cameras. PerDis 2014: 56-61 - [c80]Tommi Heikkinen, Jorge Gonçalves, Vassilis Kostakos, Ivan Elhart, Timo Ojala:
Tandem Browsing Toolkit: Distributed Multi-Display Interfaces with Web Technologies. PerDis 2014: 142-147 - [p1]Teemu Leppänen, Jukka Riekki, Meirong Liu, Erkki Harjula, Timo Ojala:
Mobile Agents-Based Smart Objects for the Internet of Things. Internet of Things Based on Smart Objects, Technology, Middleware and Applications 2014: 29-48 - 2013
- [j15]Vassilis Kostakos, Hannu Kukka, Jorge Gonçalves, Nikolaos K. Tselios, Timo Ojala:
Multipurpose Public Displays: How Shortcut Menus Affect Usage. IEEE Computer Graphics and Applications 33(2): 56-63 (2013) - [j14]Vassilis Kostakos, Timo Ojala, Tomi Juntunen:
Traffic in the Smart City: Exploring City-Wide Sensing for Traffic Control Center Augmentation. IEEE Internet Comput. 17(6): 22-29 (2013) - [j13]Vassilis Kostakos, Timo Ojala:
Public Displays Invade Urban Spaces. IEEE Pervasive Comput. 12(1): 8-13 (2013) - [j12]Hannu Kukka, Vassilis Kostakos, Timo Ojala, Johanna Ylipulli, Tiina Suopajärvi, Marko Jurmu, Simo Hosio:
This is not classified: everyday information seeking and encountering in smart urban spaces. Pers. Ubiquitous Comput. 17(1): 15-27 (2013) - [c79]Hannu Kukka, Heidi Oja, Vassilis Kostakos, Jorge Gonçalves, Timo Ojala:
What makes you click: exploring visual signals to entice interaction on public displays. CHI 2013: 1699-1708 - [c78]Jiehan Zhou, Teemu Leppänen, Erkki Harjula, Mika Ylianttila, Timo Ojala, Chen Yu, Hai Jin:
CloudThings: A common architecture for integrating the Internet of Things with Cloud Computing. CSCWD 2013: 651-657 - [c77]Yan Zhai, Guoying Zhao, Toni Alatalo, Janne Heikkilä, Timo Ojala, Xinyuan Huang:
Gesture interaction for wall-sized touchscreen display. UbiComp (Adjunct Publication) 2013: 175-178 - [c76]Elaine M. Huang, Timo Ojala:
The UbiComp 2013 doctoral school. UbiComp (Adjunct Publication) 2013: 315-318 - [c75]Toni Alatalo, Erno Kuusela, Rauli Puuperä, Timo Ojala:
Comparative API complexity analysis of two platforms for networked multiplayer games using a reference game. GAS@ICSE 2013: 44-50 - [c74]Timo Ojala:
Keynote: Open UBI Oulu. Intelligent Environments (Workshops) 2013: 693-694 - [c73]Meirong Liu, Teemu Leppänen, Erkki Harjula, Zhonghong Ou, Mika Ylianttila, Timo Ojala:
Distributed Resource Discovery in the Machine-to-Machine Applications. MASS 2013: 411-412 - [c72]Timo Ojala:
2nd International UBI Challenge 2013. MUM 2013: 51:1-51:4 - [c71]Petri Luojus, Jarkko Koskela, Kimmo Ollila, Saku-Matti Mäki, Raffi Kulpa-Bogossia, Tommi Heikkinen, Timo Ojala:
Wordster: collaborative versus competitive gaming using interactive public displays and mobile phones. PerDis 2013: 109-114 - [c70]Teemu Leppänen, Jose Alvarez Lacasia, Archana Ramalingam, Meirong Liu, Erkki Harjula, Pauli Närhi, Jani Ylioja, Jukka Riekki, Kaoru Sezaki, Yoshito Tobe, Timo Ojala:
Interoperable mobile agents in heterogeneous wireless sensor networks. SenSys 2013: 64:1-64:2 - [c69]Teemu Leppänen, Meirong Liu, Erkki Harjula, Archana Ramalingam, Jani Ylioja, Pauli Närhi, Jukka Riekki, Timo Ojala:
Mobile Agents for Integration of Internet of Things and Wireless Sensor Networks. SMC 2013: 14-21 - [c68]Meirong Liu, Teemu Leppänen, Erkki Harjula, Zhonghong Ou, Archana Ramalingam, Mika Ylianttila, Timo Ojala:
Distributed resource directory architecture in Machine-to-Machine communications. WiMob 2013: 319-324 - [e2]Bill N. Schilit, Roy Want, Timo Ojala:
The International Symposium on Pervasive Displays, PerDis '13, Mountain View, CA, USA - June 04 - 05, 2013. ACM 2013, ISBN 978-1-4503-2096-2 [contents] - 2012
- [j11]Timo Ojala, Vassilis Kostakos, Hannu Kukka, Tommi Heikkinen, Tomas Lindén, Marko Jurmu, Simo Hosio, Fabio Kruger, Daniele Zanni:
Multipurpose Interactive Public Displays in the Wild: Three Years Later. Computer 45(5): 42-49 (2012) - [c67]Teemu Leppänen, Pauli Närhi, Jani Ylioja, Jukka Riekki, Yoshito Tobe, Timo Ojala:
On using continuations in wireless sensor networks. INSS 2012: 1-2 - [c66]Timo Ojala, Joonas Kokkoniemi, Jarkko Luukkonen, Toni Hakanen, Ossi Salmi, Paavo Pokkinen:
Reflecting QoS of low-cost multi-provider municipal WiFi on commercial 3.G mobile data and ISM spectrum occupancy. MOBIWAC 2012: 37-44 - [c65]Jouko Kaasila, Denzil Ferreira, Vassilis Kostakos, Timo Ojala:
Testdroid: automated remote UI testing on Android. MUM 2012: 28 - [c64]Timo Ojala, Fabio Kruger, Vassilis Kostakos, Ville Valkama:
Two field trials on the efficiency of unsolicited Bluetooth proximity marketing. MUM 2012: 38 - [c63]Jiehan Zhou, Teemu Leppänen, Meirong Liu, Erkki Harjula, Timo Ojala, Mika Ylianttila, Chen Yu:
Sensor Information Representation for the Internet of Things. OTM Workshops 2012: 515-524 - [c62]Tomas Lindén, Tommi Heikkinen, Vassilis Kostakos, Denzil Ferreira, Timo Ojala:
Towards multi-application public interactive displays. PerDis 2012: 9 - [c61]Simo Hosio, Vassilis Kostakos, Hannu Kukka, Marko Jurmu, Jukka Riekki, Timo Ojala:
From School Food to Skate Parks in a Few Clicks: Using Public Displays to Bootstrap Civic Engagement of the Young. Pervasive 2012: 425-442 - [c60]Teemu Leppänen, Jani Ylioja, Pauli Närhi, Teijo Räty, Timo Ojala, Jukka Riekki:
Holistic energy consumption monitoring in buildings with IP-based wireless sensor networks. BuildSys@SenSys 2012: 195-196 - 2011
- [j10]Felipe J. Gil-Castiñeira, Enrique Costa-Montenegro, Francisco J. González-Castaño, Cristina López-Bravo, Timo Ojala, Raja Bose:
Experiences inside the Ubiquitous Oulu Smart City. Computer 44(6): 48-55 (2011) - [c59]Timo Ojala, Jukka Orajärvi, Katriina Puhakka, Ilari Heikkinen, Juhani Heikka:
panOULU: triple helix driven municipal wireless network providing open and free internet access. C&T 2011: 118-127 - [c58]Timo Ojala, Pauli Närhi, Teemu Leppänen, Jani Ylioja, Szymon Sasin, Zach Shelby:
UBI-AMI: Real-Time Metering of Energy Consumption at Homes Using Multi-Hop IP-based Wireless Sensor Networks. GPC 2011: 274-284 - [c57]Hannu Kukka, Fabio Kruger, Vassilis Kostakos, Timo Ojala, Marko Jurmu:
Information to Go: Exploring In-Situ Information Pick-Up "In the Wild". INTERACT (2) 2011: 487-504 - [c56]Ville Valkama, Timo Ojala:
Stakeholder value propositions on open community testbed of interactive public displays. MEDES 2011: 107-113 - [c55]Timo Ojala, Vassilis Kostakos:
UBI challenge: research coopetition on real-world urban computing. MUM 2011: 205-208 - [c54]Tommi Heikkinen, Tomas Lindén, Marko Jurmu, Hannu Kukka, Timo Ojala:
Declarative XML-based layout state encoding for managing screen real estate of interactive public displays. PerCom Workshops 2011: 82-87 - 2010
- [j9]Timo Ojala:
Case studies on context-aware mobile multimedia services. J. Digit. Inf. Manag. 8(1): 4-15 (2010) - [c53]Juha Tiensyrjä, Timo Ojala, Toni Hakanen, Ossi Salmi:
panOULU conqueror: pervasive location-aware multiplayer game for city-wide wireless network. Fun and Games 2010: 157-165 - [c52]Timo Ojala, Jukka Riekki:
UBI challenge workshop 2010: real world urban computing. UbiComp (Adjunct Papers) 2010: 535-538 - [c51]Timo Ojala, Ville Valkama, Hannu Kukka, Tommi Heikkinen, Tomas Lindén, Marko Jurmu, Fabio Kruger, Simo Hosio:
UBI-hotspots: sustainable ecosystem infrastructure for real world urban computing research and business. MEDES 2010: 196-202 - [c50]Tommi Heikkinen, Tomas Lindén, Timo Ojala, Hannu Kukka, Marko Jurmu, Simo Hosio:
Lessons Learned from the Deployment and Maintenance of UBI-Hotspots. MUE 2010: 1-6 - [c49]Simo Hosio, Hannu Kukka, Marko Jurmu, Timo Ojala, Jukka Riekki:
Enhancing interactive public displays with social networking services. MUM 2010: 23 - [c48]Timo Ojala, Hannu Kukka, Tommi Heikkinen, Tomas Lindén, Marko Jurmu, Fabio Kruger, Szymon Sasin, Simo Hosio, Pauli Närhi:
Open Urban Computing Testbed. TRIDENTCOM 2010: 457-468 - [c47]Simo Hosio, Marko Jurmu, Hannu Kukka, Jukka Riekki, Timo Ojala:
Supporting distributed private and public user interfaces in urban environments. HotMobile 2010: 25-30 - [c46]Tomas Lindén, Tommi Heikkinen, Timo Ojala, Hannu Kukka, Marko Jurmu:
Web-based framework for spatiotemporal screen real estate management of interactive public displays. WWW 2010: 1277-1280
2000 – 2009
- 2009
- [c45]Mika Rautiainen, Hannu Aska, Timo Ojala, Matti Hosio, Aki Mäkivirta, Niko Haatainen:
Swarm synchronization for multi-recipient multimedia streaming. ICME 2009: 786-789 - [c44]Hannu Kukka, Rodolfo Patino, Timo Ojala:
Ubirockmachine: A community-driven music distribution and consumption system for shared urban spaces. ICME 2009: 1789-1792 - [c43]Hannu Kukka, Fabio Kruger, Timo Ojala:
BlueInfo: Open Architecture for Deploying Web Services in WPAN Hotspots. ICWS 2009: 984-991 - [c42]Hannu Kukka, Rodolfo Patino, Timo Ojala:
UbiRockMachine: a multimodal music voting service for shared urban spaces. MUM 2009 - [c41]Jani Kenttälä, Joachim Viide, Timo Ojala, Pekka Pietikäinen, Mikko Hiltunen, Jyrki Huhta, Mikko Kenttälä, Ossi Salmi, Toni Hakanen:
Clarified Recorder and Analyzer for Visual Drill Down Network Analysis. PAM 2009: 122-125 - [c40]Jürgen Scheible, Timo Ojala:
MobiSpray: mobile phone as virtual spray can for painting BIG anytime anywhere on anything. SIGGRAPH Art Gallery 2009: 5:1-5:10 - 2008
- [c39]Timo Ojala, Toni Hakanen, Ossi Salmi, Mikko Kenttälä, Juha Tiensyrjä:
Supporting Session and Access Point Mobility in a Large Multi-provider Multi-vendor Municipal WiFi Network. AccessNets 2008: 89-101 - [c38]Jürgen Scheible, Timo Ojala, Paul Coulton:
MobiToss: a novel gesture based interface for creating and sharing mobile multimedia art on large public displays. ACM Multimedia 2008: 957-960 - [c37]Hannu Kukka, Timo Ojala, Juha Tiensyrjä, Teemu Mikkonen:
panOULU Luotsi: a location based information mash-up with XML aggregator and WiFi positioning. MUM 2008: 80-83 - 2007
- [j8]Jani Korhonen, Timo Ojala, Annu Ristola, Manne Kesti, Vesa Kilpelänaho, Mikko Koskinen, Eveliina Viippola:
Mobile Fair Diary: hybrid interface for taking, browsing and sharing context-aware notes. Pers. Ubiquitous Comput. 11(7): 577-589 (2007) - [c36]Jürgen Scheible, Ville H. Tuulos, Timo Ojala:
Story Mashup: design and evaluation of novel interactive storytelling game for mobile and web users. MUM 2007: 139-148 - [e1]Timo Ojala:
Proceedings of the 6th International Conference on Mobile and Ubiquitous Multimedia, MUM 2007, Oulu, Finland, December 12-14, 2007. ACM International Conference Proceeding Series 284, ACM 2007, ISBN 978-1-59593-916-6 [contents] - 2006
- [c35]Jani Korhonen, Timo Ojala, Mikko Klemola, Pasi Vaananen:
mTag - Architecture for Discovering Location Specific Mobile Web Services Using RFID and Its Evaluation with Two Case Studies. AICT/ICIW 2006: 191 - [c34]Mika Rautiainen, Tapio Seppänen, Timo Ojala:
Advancing Content-Based Retrieval Effectiveness with Cluster-Temporal Browsing in Multilingual Video Databases. ICME 2006: 377-380 - [c33]Mika Rautiainen, Tapio Seppänen, Timo Ojala:
On the significance of cluster-temporal browsing for generic video retrieval: a statistical analysis. ACM Multimedia 2006: 125-128 - [c32]Jialin Liu, Mika Rautiainen, Timo Ojala:
Sensitivity evaluation of SNoW and SVM based face detection methods. MMM 2006 - [c31]Hannu Kukka, Timo Ojala:
mobileDOK: culture in your pocket. Mobility Conference 2006: 42 - [c30]Tommi Halonen, Timo Ojala:
Cross-layer design for providing service oriented architecture in a mobile Ad Hoc network. MUM 2006: 11 - 2005
- [c29]Tiia Sutinen, Timo Ojala:
Case Study in Assessing Subjective QoS of a Mobile Multimedia Web Service in a Real Multi-access Network. IWQoS 2005: 298-312 - [c28]Jürgen Scheible, Timo Ojala:
MobiLenin combining a multi-track music video, personal mobile phones and a public display into multi-user interactive entertainment. ACM Multimedia 2005: 199-208 - [c27]Jürgen Scheible, Timo Ojala:
Mobile group interaction with interactive video on large public display. SIGGRAPH Posters 2005: 18 - [c26]Mika Rautiainen, Matti Varanka, Ilkka Hanski, Matti Hosio, Anu Pramila, Jialin Liu, Timo Ojala, Tapio Seppänen:
TRECVID 2005 Experiments at Media Team Oulu. TRECVID 2005 - 2004
- [c25]Janne Lukkari, Jani Korhonen, Timo Ojala:
SmartRestaurant: mobile payments in context-aware environment. ICEC 2004: 575-582 - [c24]Timo Ojala, Markus Koskela, Esa Matinmikko, Mika Rautiainen, Jorma Laaksonen, Erkki Oja:
Task-Based User Evaluation of Content-Based Image Database Browsing Systems. CIVR 2004: 234-242 - [c23]Mika Rautiainen, Timo Ojala, Tapio Seppänen:
Cluster-temporal browsing of large news video databases. ICME 2004: 751-754 - [c22]Markus Aittola, Pekka Parhi, Maria Vieruaho, Timo Ojala:
Comparison of Mobile and Fixed Use of SmartLibrary. Mobile HCI 2004: 383-387 - [c21]Mika Rautiainen, Timo Ojala, Tapio Seppänen:
Analysing the performance of visual, concept and text features in content-based video retrieval. Multimedia Information Retrieval 2004: 197-204 - [c20]Lauri Aalto, Nicklas Göthlin, Jani Korhonen, Timo Ojala:
Bluetooth and WAP Push Based Location-Aware Mobile Advertising System. MobiSys 2004 - [c19]Timo Ojala, Jani Korhonen, Tiia Sutinen, Pekka Parhi, Lauri Aalto:
Mobile kärpät: a case study in wireless personal area networking. MUM 2004: 149-156 - [c18]Mika Rautiainen, Matti Hosio, Ilkka Hanski, Matti Varanka, Jukka Kortelainen, Timo Ojala, Tapio Seppänen:
TRECVID 2004 Experiments at MediaTeam Oulu. TRECVID 2004 - 2003
- [c17]Jaakko Peltonen, Mark Ollila, Timo Ojala:
TimeMachine Oulu - Dynamic Creation of Cultural-Spatio-Temporal Models as a Mobile Service. Mobile HCI 2003: 342-346 - [c16]Markus Aittola, Tapio Ryhänen, Timo Ojala:
SmartLibrary - Location-Aware Mobile Library Service. Mobile HCI 2003: 411-416 - [c15]Mika Rautiainen, Jani Penttilä, Paavo Pietarila, Kai Noponen, Matti Hosio, Timo Koskela, Satu-Marja Mäkelä, Johannes Peltola, Jialin Liu, Timo Ojala, Tapio Seppänen:
TRECVID 2003 Experiments at Media Team Oulu and VTT. TRECVID 2003 - 2002
- [j7]Timo Ojala, Matti Pietikäinen, Topi Mäenpää:
Multiresolution Gray-Scale and Rotation Invariant Texture Classification with Local Binary Patterns. IEEE Trans. Pattern Anal. Mach. Intell. 24(7): 971-987 (2002) - [c14]Timo Ojala, Topi Mäenpää, Matti Pietikäinen, Jaakko Viertola, Juha Kyllönen, Sami Huovinen:
Outex- New Framework for Empirical Evaluation of Texture Analysis Algorithms. ICPR (1) 2002: 701-706 - [c13]Timo Ojala, Markus Aittola, Esa Matinmikko:
Empirical Evaluation of MPEG-7 XM Color Descriptors in Content-Based Retrieval of Semantic Image Categories. ICPR (2) 2002: 1021-1024 - [c12]Mika Rautiainen, Dmitri Vorobiev, Kai Noponen, Pertti Alvar Väyrynen, Matti Hosio, Esa Matinmikko, Timo Ojala, Tapio Seppänen, Jani Penttilä, Satu-Marja Mäkelä, Johannes Peltola:
TREC 2002 Video Track Experiments at MediaTeam Oulu and VTT. TREC 2002 - 2001
- [j6]Timo Ojala, Kimmo Valkealahti, Erkki Oja, Matti Pietikäinen:
Texture discrimination with multidimensional distributions of signed gray-level differences. Pattern Recognit. 34(3): 727-739 (2001) - [c11]Timo Ojala, Matti Pietikäinen, Topi Mäenpää:
A Generalized Local Binary Pattern Operator for Multiresolution Gray Scale and Rotation Invariant Texture Classification. ICAPR 2001: 397-406 - 2000
- [j5]Matti Pietikäinen, Timo Ojala, Zelin Xu:
Rotation-invariant texture classification using feature distributions. Pattern Recognit. 33(1): 43-52 (2000) - [c10]Timo Ojala, Matti Pietikäinen, Topi Mäenpää:
Gray Scale and Rotation Invariant Texture Classification with Local Binary Patterns. ECCV (1) 2000: 404-420 - [c9]Topi Mäenpää, Timo Ojala, Matti Pietikäinen, Maricor Soriano:
Robust Texture Classification by Subsets of Local Binary Patterns. ICPR 2000: 3947-3950 - [c8]Topi Mäenpää, Matti Pietikäinen, Timo Ojala:
Texture Classification by Multi-Predicate Local Binary Pattern Operators. ICPR 2000: 3951-3954 - [c7]Mika Rautiainen, Timo Ojala, Hannu Kauniskangas:
Detecting Perceptual Color Changes from Sequential Images for Scene Surveillance. MVA 2000: 136-139
1990 – 1999
- 1999
- [j4]Timo Ojala, Matti Pietikäinen:
Unsupervised texture segmentation using feature distributions. Pattern Recognit. 32(3): 477-486 (1999) - [c6]Saku Kaukonen, Jaakko J. Sauvola, Timo Ojala:
Agent-based conferencing using mobile IP-telephony. MMSP 1999: 593-598 - 1998
- [c5]Timo Ojala, Matti Pietikäinen:
Nonparametric multichannel texture description with simple spatial operators. ICPR 1998: 1052-1056 - 1997
- [c4]Timo Ojala, Matti Pietikäinen:
Unsupervised Texture Segmentation Using Feature Distributions. ICIAP (1) 1997: 311-318 - 1996
- [j3]Timo Ojala, Matti Pietikäinen, Jarkko Nisula:
Determining Composition of Grain Mixtures by Texture Classification Based on Feature Distributions. Int. J. Pattern Recognit. Artif. Intell. 10(1): 73-82 (1996) - [j2]Timo Ojala, Matti Pietikäinen, David Harwood:
A comparative study of texture measures with classification based on featured distributions. Pattern Recognit. 29(1): 51-59 (1996) - [c3]Matti Pietikäinen, Sami Nieminen, Elzbieta Marszalec, Timo Ojala:
Accurate color discrimination with classification based on feature distributions. ICPR 1996: 833-838 - 1995
- [j1]David Harwood, Timo Ojala, Matti Pietikäinen, Shalom Kelman, Larry S. Davis:
Texture classification by center-symmetric auto-correlation, using Kullback discrimination of distributions. Pattern Recognit. Lett. 16(1): 1-10 (1995) - 1994
- [c2]Timo Ojala, Matti Pietikäinen, David Harwood:
Performance evaluation of texture measures with classification based on Kullback discrimination of distributions. ICPR (1) 1994: 582-585 - 1992
- [c1]Timo Ojala, Matti Pietikäinen, Olli Silvén:
Edge-based texture measures for surface inspection. ICPR (2) 1992: 594-598
Coauthor Index
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