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Timo Ojala
2010 – today
- 2013
[j14]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)
[j13]Vassilis Kostakos, Timo Ojala: Public Displays Invade Urban Spaces. IEEE Pervasive Computing 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. Personal and Ubiquitous Computing 17(1): 15-27 (2013)
[c59]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
[c58]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
[c57]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
[c56]Elaine M. Huang, Timo Ojala: The UbiComp 2013 doctoral school. UbiComp (Adjunct Publication) 2013: 315-318
[c55]- 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. IEEE Computer 45(5): 42-49 (2012)
[c54]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
[c53]Jouko Kaasila, Denzil Ferreira, Vassilis Kostakos, Timo Ojala: Testdroid: automated remote UI testing on Android. MUM 2012: 28
[c52]Timo Ojala, Fabio Kruger, Vassilis Kostakos, Ville Valkama: Two field trials on the efficiency of unsolicited Bluetooth proximity marketing. MUM 2012: 38
[c51]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
[c50]Tomas Lindén, Tommi Heikkinen, Vassilis Kostakos, Denzil Ferreira, Timo Ojala: Towards multi-application public interactive displays. PerDis 2012: 9
[c49]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- 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. IEEE Computer 44(6): 48-55 (2011)
[c48]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
[c47]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
[c46]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
[c45]Ville Valkama, Timo Ojala: Stakeholder value propositions on open community testbed of interactive public displays. MEDES 2011: 107-113
[c44]Timo Ojala, Vassilis Kostakos: UBI challenge: research coopetition on real-world urban computing. MUM 2011: 205-208
[c43]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]
[c42]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
[c41]Timo Ojala, Jukka Riekki: UBI challenge workshop 2010: real world urban computing. UbiComp (Adjunct Papers) 2010: 535-538
[c40]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
[c39]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
[c38]Simo Hosio, Hannu Kukka, Marko Jurmu, Timo Ojala, Jukka Riekki: Enhancing interactive public displays with social networking services. MUM 2010: 23
[c37]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
[c36]Simo Hosio, Marko Jurmu, Hannu Kukka, Jukka Riekki, Timo Ojala: Supporting distributed private and public user interfaces in urban environments. HotMobile 2010: 25-30
[c35]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
[c34]Mika Rautiainen, Hannu Aska, Timo Ojala, Matti Hosio, Aki Mäkivirta, Niko Haatainen: Swarm synchronization for multi-recipient multimedia streaming. ICME 2009: 786-789
[c33]Hannu Kukka, Rodolfo Patino, Timo Ojala: Ubirockmachine: A community-driven music distribution and consumption system for shared urban spaces. ICME 2009: 1789-1792
[c32]Hannu Kukka, Fabio Kruger, Timo Ojala: BlueInfo: Open Architecture for Deploying Web Services in WPAN Hotspots. ICWS 2009: 984-991
[c31]Hannu Kukka, Rodolfo Patino, Timo Ojala: UbiRockMachine: a multimodal music voting service for shared urban spaces. MUM 2009
[c30]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- 2008
[c29]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
[c28]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
[c27]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. Personal and Ubiquitous Computing 11(7): 577-589 (2007)
[c26]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 (Ed.): 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- 2006
[c25]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
[c24]Mika Rautiainen, Tapio Seppänen, Timo Ojala: Advancing Content-Based Retrieval Effectiveness with Cluster-Temporal Browsing in Multilingual Video Databases. ICME 2006: 377-380
[c23]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
[c22]Jialin Liu, Mika Rautiainen, Timo Ojala: Sensitivity evaluation of SNoW and SVM based face detection methods. MMM 2006
[c21]Tommi Halonen, Timo Ojala: Cross-layer design for providing service oriented architecture in a mobile Ad Hoc network. MUM 2006: 11- 2005
[c20]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
[c19]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- 2004
[c18]Janne Lukkari, Jani Korhonen, Timo Ojala: SmartRestaurant: mobile payments in context-aware environment. ICEC 2004: 575-582
[c17]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
[c16]Mika Rautiainen, Timo Ojala, Tapio Seppänen: Cluster-temporal browsing of large news video databases. ICME 2004: 751-754
[c15]Markus Aittola, Pekka Parhi, Maria Vieruaho, Timo Ojala: Comparison of Mobile and Fixed Use of SmartLibrary. Mobile HCI 2004: 383-387
[c14]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
[c13]Lauri Aalto, Nicklas Göthlin, Jani Korhonen, Timo Ojala: Bluetooth and WAP Push Based Location-Aware Mobile Advertising System. MobiSys 2004
[c12]Timo Ojala, Jani Korhonen, Tiia Sutinen, Pekka Parhi, Lauri Aalto: Mobile kärpät: a case study in wireless personal area networking. MUM 2004: 149-156- 2003
[c11]Jaakko Peltonen, Mark Ollila, Timo Ojala: TimeMachine Oulu - Dynamic Creation of Cultural-Spatio-Temporal Models as a Mobile Service. Mobile HCI 2003: 342-346
[c10]Markus Aittola, Tapio Ryhänen, Timo Ojala: SmartLibrary - Location-Aware Mobile Library Service. Mobile HCI 2003: 411-416- 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)
[c9]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
[c8]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
[c7]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 Recognition 34(3): 727-739 (2001)
[c6]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 Recognition 33(1): 43-52 (2000)
[c5]Timo Ojala, Matti Pietikäinen, Topi Mäenpää: Gray Scale and Rotation Invariant Texture Classification with Local Binary Patterns. ECCV (1) 2000: 404-420
[c4]Topi Mäenpää, Timo Ojala, Matti Pietikäinen, Maricor Soriano: Robust Texture Classification by Subsets of Local Binary Patterns. ICPR 2000: 3947-3950
[c3]Topi Mäenpää, Matti Pietikäinen, Timo Ojala: Texture Classification by Multi-Predicate Local Binary Pattern Operators. ICPR 2000: 3951-3954
[c2]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 Recognition 32(3): 477-486 (1999)- 1997
[c1]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. IJPRAI 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 Recognition 29(1): 51-59 (1996)- 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 Recognition Letters 16(1): 1-10 (1995)
Coauthor Index
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last updated on 2013-10-02 11:22 CEST by the dblp team



