Publication statistics

Pub. period:1999-2012
Pub. count:26
Number of co-authors:49



Co-authors

Number of publications with 3 favourite co-authors:

Teresa Romo:5
Rui Nbrega:4
Luis Romero:4

 

 

Productive colleagues

Nuno Correia's 3 most productive colleagues in number of publications:

Joaquim A. Jorge:41
Nuno Guimares:9
Teresa Chambel:8
 
 
 

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Nuno Correia

 

Publications by Nuno Correia (bibliography)

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2012
 
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Nbrega, Rui and Correia, Nuno (2012): Smart interface for reshaping photos in 3D. In: Proceedings of the 2012 International Conference on Intelligent User Interfaces 2012. pp. 315-316. Available online

In this work we present an interactive prototype for an interface that supports the interaction with virtual objects integrated in a real life scenario. The user can reshape or re-design a real space with virtual objects using several pictures of the desired space. The images are analyzed for known features such as surfaces, edges, floor location and room orientation. Using these elements, it is possible to devise an augmented reality system where the user can add virtual objects to the scenario. The smart interface attaches the objects to the scene elements (e.g., floor) automatically. The current demo loads images from user files or takes a snapshot directly from the camera. The high-level features are automatically detected, but can be manually adjusted. A use-case example of an augmented reality application is presented.

© All rights reserved Nbrega and Correia and/or ACM Press

 
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Nbrega, Rui and Correia, Nuno (2012): Magnetic augmented reality: virtual objects in your space. In: Proceedings of the 2012 International Conference on Advanced Visual Interfaces 2012. pp. 332-335. Available online

This paper proposes a framework to support interaction with virtual objects integrated in a real life scenario. In the proposed interaction concept, the user can reshape or re-design a real space using virtual objects using several pictures of the desired space. The images are analyzed for known features such as surfaces, floor or room orientation. Using these elements, it is possible to devise an augmented reality system where the user can add virtual objects to the scenario that react to its content. These are magnetic objects because they attach itself to elements on the scene such as floor or walls. This approach liberates the user from moving objects in three-dimensional space. Instead they just push around objects in a more natural interface. The paper studies the impact of adding these magnetism effects in the interaction with an augmented reality-editing interface.

© All rights reserved Nbrega and Correia and/or ACM Press

 
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Cabral, Diogo, Valente, Joo G., Arago, Urndia, Fernandes, Carla and Correia, Nuno (2012): Evaluation of a multimodal video annotator for contemporary dance. In: Proceedings of the 2012 International Conference on Advanced Visual Interfaces 2012. pp. 572-579. Available online

This paper discusses the evaluation of a video annotator that supports multimodal annotation and is applied to contemporary dance as a creation tool. The Creation-Tool was conceived and designed to assist the creative processes of choreographers and dance performers, functioning as a digital notebook for personal annotations. The prototype, developed for Tablet PCs, allows video annotation in real-time, using a live video stream, or postevent, using a pre-recorded video stream. The tool also allows different video annotation modalities, such as annotation marks, text, audio, ink strokes and hyperlinks. In addition, the system enables different modes of annotation and video visualization. The development followed an iterative design process involving two choreographers, and a usability study was carried out, involving international dance performers participating in a contemporary dance "residence -- workshop".

© All rights reserved Cabral et al. and/or ACM Press

 
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Nbrega, Rui, Correia, Nuno, Nobre, Carlos, Teixeira, Ana Brbara, Oliveira, Leonor and Silva, Raquel Henriques Da (2012): Navigation in past museum exhibitions using multimedia archives. In: Proceedings of the 2012 International Conference on Advanced Visual Interfaces 2012. pp. 778-779. Available online

Many exhibitions that occurred in the past in art museums left a large amount of records (pictures, videos and texts), which are distributed over several documents or places. This paper proposes a multimedia system to reconstruct the heritage and space from such exhibitions. The virtual reconstruction is based on collecting and recovering the documents and making them accessible using an integrated interface. The evolution of image and photograph visualization allows the virtual reconstruction of physical spaces, offering a new dimension of interaction with the user. Through image analysis techniques, the spatial relation between each photo in the archive is accessed allowing the semi-automatic construction of a virtual artwork exhibition.

© All rights reserved Nbrega et al. and/or ACM Press

 
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Madeira, Rui Neves, Vieira, Andr and Correia, Nuno (2012): Personalization of an energy awareness pervasive game. In: Proceedings of the 2012 International Conference on Uniquitous Computing 2012. pp. 619-620.

One of the recurrent major environmental problems is the high energy consumption. It has been challenging to find methods of persuading people to have better habits on energy usage. We are proposing the use of personalization to enhance a mobile and pervasive-based gaming approach to better foster domestic energy awareness close to people. The game is based on real-time domestic energy consumption data and presents persuasive feedback information, beyond the competitive feeling of the game. The personalization mechanisms are provided by an external web service that is designed to serve different applications, even if from different systems or domains.

© All rights reserved Madeira et al. and/or ACM Press

 
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Cabral, Diogo and Correia, Nuno (2012): VideoInk: a pen-based approach for video editing. In: Adjunct Proceedings of the 2012 ACM Symposium on User Interface Software and Technology 2012. pp. 67-68. Available online

Due the growth of video sharing, its manipulation is important, however still a hard task. In order to improve it, this work proposes a pen-based approach, called VideoInk. The concept exploits the painting metaphor, replacing digital ink with video frames. The method allows the user to paint video content in a canvas, which works as a two dimensional timeline. This approach includes transition effects and zoom features based on pen pressure. A Tablet PC prototype implementing the concept was also developed.

© All rights reserved Cabral and Correia and/or ACM Press

2011
 
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Nbrega, Rui and Correia, Nuno (2011): Design your room: adding virtual objects to a real indoor scenario. In: Proceedings of ACM CHI 2011 Conference on Human Factors in Computing Systems 2011. pp. 2143-2148. Available online

This paper presents an interior design application that uses photos from real indoor spaces and rooms as input. The user is encouraged to take a picture of a certain place and virtually reshape it with furniture, different colors, textures and materials. The system analyses the still image of the physical space through image processing and computer vision algorithms to detect the world orientation relative to the camera. Knowing this, it is possible to create a natural interface where objects are laid on the floor and pushed around as in real life.

© All rights reserved Nbrega and Correia and/or their publisher

 
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Cabral, Diogo, Carvalho, Urndia, Silva, Joo, Valente, Joo, Fernandes, Carla and Correia, Nuno (2011): Multimodal video annotation for contemporary dance creation. In: Proceedings of ACM CHI 2011 Conference on Human Factors in Computing Systems 2011. pp. 2293-2298. Available online

This paper presents a video annotator that supports multimodal annotation and is applied to contemporary dance as a creation tool. The prototype, developed for Tablet PCs, explores bimanual interaction, using pen and touch input interfaces. This combination can be more natural and familiar than the traditional input interfaces (keyboard or mouse). Contemporary dance is a domain where this type of flexible interaction with video material is relevant in order to augment and improve the rehearsal and creative processes. Motion tracking is used to define the dynamic behavior of the annotations and voice input complements the other modalities. The paper describes the design decisions done by the multidisciplinary development team and the current status of the tool.

© All rights reserved Cabral et al. and/or their publisher

 
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Lameira, Ana, Jesus, Rui and Correia, Nuno (2011): Real-time object recognition using mobile devices. In: Proceedings of 13th Conference on Human-computer interaction with mobile devices and services 2011. pp. 687-690. Available online

This paper proposes an application for real-time object recognition using mobile devices that runs locally without the need to communicate with a server. Both object detection and identification algorithms are performed by the mobile device avoiding the communication with the server. The paper presents results that show the effectiveness of the proposal.

© All rights reserved Lameira et al. and/or ACM Press

2008
 
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Gonalves, Duarte, Jesus, Rui and Correia, Nuno (2008): A gesture based game for image tagging. In: Proceedings of ACM CHI 2008 Conference on Human Factors in Computing Systems April 5-10, 2008. pp. 2685-2690. Available online

This paper proposes and discusses the ASAA (Application for Semi-Automatic Annotation) interface, a new computer game for image tagging. The application is composed by a 3D game interface, a game engine that uses a system for automatic image annotation and gestural input to play the game. The paper describes the rational and design principles for the application and presents ideas for future developments.

© All rights reserved Gonalves et al. and/or ACM Press

 
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Martins, Tiago, Sommerer, Christa, Mignonneau, Laurent and Correia, Nuno (2008): Gauntlet: a wearable interface for ubiquitous gaming. In: Hofte, G. Henri ter, Mulder, Ingrid and Ruyter, Boris E. R. de (eds.) Proceedings of the 10th Conference on Human-Computer Interaction with Mobile Devices and Services - Mobile HCI 2008 September 2-5, 2008, Amsterdam, the Netherlands. pp. 367-370. Available online

 
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Gonalves, Duarte, Jesus, Rui M., Grangeiro, Filipe, Romo, Teresa and Correia, Nuno (2008): Tag around: a 3D gesture game for image annotation. In: Inakage, Masa and Cheok, Adrian David (eds.) Proceedings of the International Conference on Advances in Computer Entertainment Technology - ACE 2008 December 3-5, 2008, Yokohama, Japan. pp. 259-262. Available online

 
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Martins, Tiago, Romo, Teresa, Sommerer, Christa, Mignonneau, Laurent and Correia, Nuno (2008): Towards an interface for untethered ubiquitous gaming. In: Inakage, Masa and Cheok, Adrian David (eds.) Proceedings of the International Conference on Advances in Computer Entertainment Technology - ACE 2008 December 3-5, 2008, Yokohama, Japan. pp. 26-33. Available online

 
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Jesus, Rui M., Dias, Ricardo, Frias, Rute, Abrantes, Arnaldo J. and Correia, Nuno (2008): Memoria mobile: sharing pictures of a point of interest. In: Levialdi, Stefano (ed.) AVI 2008 - Proceedings of the working conference on Advanced Visual Interfaces May 28-30, 2008, Napoli, Italy. pp. 412-415. Available online

2007
 
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Dias, Ricardo, Jesus, Rui, Frias, Rute and Correia, Nuno (2007): Mobile interface of the memoria project. In: Proceedings of the 30th Annual International ACM SIGIR Conference on Research and Development in Information Retrieval 2007. p. 904. Available online

This project develops tools to manage personal memories that include a multimedia retrieval system and user interfaces for different devices. This paper and demonstration presents the mobile interface which allows browsing, retrieving, and taking pictures that are automatically annotated with GPS data and audio information. The multimedia retrieval system uses multimodal information: visual content, GPS metadata and audio information. The interface was evaluated in a cultural heritage site.

© All rights reserved Dias et al. and/or ACM Press

 
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Chambel, Teresa, Correia, Lus, Manzolli, Jnatas, Miguel, Gonalo Dias, Henriques, Nuno A. C. and Correia, Nuno (2007): Creating video art with evolutionary algorithms. In Computers & Graphics, 31 (6) pp. 837-847. Available online

2006
 
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Barrenho, Filipe, Romo, Teresa, Martins, Tiago and Correia, Nuno (2006): InAuthoring environment: interfaces for creating spatial stories and gaming activities. In: Ishii, Hiroshi, Lee, Newton, Natkin, Stphane and Tsushima, Katsuhide (eds.) Proceedings of the International Conference on Advances in Computer Entertainment Technology - ACE 2006 June 14-16, 2006, Hollywood, California, USA. p. 9. Available online

 
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Correia, Nuno and Romero, Luis (2006): Storing user experiences in mixed reality using hypermedia. In The Visual Computer, 22 (12) pp. 991-1001. Available online

 
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Correia, Nuno and Cabral, Diogo (2006): Interfaces for Video Based Web Lectures. In: ICALT 2006 - Proceedings of the 6th IEEE International Conference on Advanced Learning Technologies 5-7 July, 2006, Kerkrade, The Netherlands. pp. 634-638. Available online

2005
 
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Correia, Nuno, Alves, Lus, Correia, Helder, Romero, Luis, Morgado, Carmen, Soares, Lus, Cunha, Jos C., Romo, Teresa, Dias, A. Eduardo and Jorge, Joaquim A. (2005): InStory: a system for mobile information access, storytelling and gaming activities in physical spaces. In: Lee, Newton (ed.) Proceedings of the International Conference on Advances in Computer Entertainment Technology - ACE 2005 June 15-15, 2005, Valencia, Spain. pp. 102-109. Available online

2004
 
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Romero, Luis, Santiago, Jorge and Correia, Nuno (2004): Contextual information access and storytelling in mixed reality using hypermedia. In Computers in Entertainment, 2 (3) p. 12. Available online

 
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Romo, Teresa, Correia, Nuno, Dias, A. Eduardo, Danado, Jos, Trabuco, Adelaide, Santos, Carlos, Santos, Rossana, Cmara, Antnio S. and Nobre, Edmundo (2004): ANTS--Augmented Environments. In Computers & Graphics, 28 (5) pp. 625-633. Available online

2003
 
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Romero, Luis and Correia, Nuno (2003): HyperReal: a hypermedia model for mixed reality. In: Proceedings of the Fourteenth ACM Conference on Hypertext 2003. pp. 2-9. Available online

This paper describes a generic hypermedia model that is used as a framework for building context aware and mixed reality applications. It can handle different media elements, and it defines a presentation scheme that abstracts several relevant navigation concepts, including link awareness. The model specifies a base structure for the relation between spaces, either real or virtual, and supports contextual mechanisms. Additionally, it establishes a way to correlate real/virtual world objects with information present in the hypermedia graph. It also includes store/replay mechanisms that can be used to repurpose the content in new ways, including storytelling applications. The proposed model is being tested in a gaming and storytelling environment that integrates the real world, media elements and virtual 3D worlds. The paper presents the overall framework, the current implementation and evaluates its usage in the prototype application.

© All rights reserved Romero and Correia and/or ACM Press

 
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Santos, Carlos and Correia, Nuno (2003): A Navigation and Registration System for Mobile and Augmented Environments. In: Jorge, Joaquim A., Nunes, Nuno Jardim and Cunha, Joao Falcao e (eds.) DSV-IS 2003 - Interactive Systems. Design, Specification, and Verification, 10th International Workshop June 11-13, 2003, Funchal, Madeira Island, Portugal. pp. 410-414. Available online

2002
 
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Costa, Miguel, Correia, Nuno and Guimares, Nuno (2002): Annotations as multiple perspectives of video content. In: ACM Multimedia 2002 2002. pp. 283-286. Available online

1999
 
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Correia, Nuno and Chambel, Teresa (1999): Active video watching using annotation. In: ACM Multimedia 1999 1999. pp. 151-154. Available online

 
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