Cyberguide: a mobile context-aware tour guide
Wireless Networks - Special issue: mobile computing and networking: selected papers from MobiCom '96
A distance measure for video sequences
Computer Vision and Image Understanding - Special issue on content-based access for image and video libraries
Developing a context-aware electronic tourist guide: some issues and experiences
Proceedings of the SIGCHI conference on Human Factors in Computing Systems
Designing LoL@, a Mobile Tourist Guide for UMTS
Mobile HCI '02 Proceedings of the 4th International Symposium on Mobile Human-Computer Interaction
Relevance Feedback Decision Trees in Content-Based Image Retrieval
CBAIVL '00 Proceedings of the IEEE Workshop on Content-based Access of Image and Video Libraries (CBAIVL'00)
Object Recognition from Local Scale-Invariant Features
ICCV '99 Proceedings of the International Conference on Computer Vision-Volume 2 - Volume 2
Evaluation of key frame-based retrieval techniques for video
Computer Vision and Image Understanding - Special isssue on video retrieval and summarization
Understanding the role of image recognition in mobile tour guides
Proceedings of the 7th international conference on Human computer interaction with mobile devices & services
Visual object detection from mobile phone imagery for context awareness
Proceedings of the 7th international conference on Human computer interaction with mobile devices & services
A new general framework for shot boundary detection and key-frame extraction
Proceedings of the 7th ACM SIGMM international workshop on Multimedia information retrieval
Detection of video sequences using compact signatures
ACM Transactions on Information Systems (TOIS)
PhoneGuide: museum guidance supported by on-device object recognition on mobile phones
MUM '05 Proceedings of the 4th international conference on Mobile and ubiquitous multimedia
Enabling Mobile Phones To Support Large-Scale Museum Guidance
IEEE MultiMedia
Evaluation of automatic shot boundary detection on a large video test suite
IM'99 Proceedings of the 1999 international conference on Challenge of Image Retrieval
Outdoors augmented reality on mobile phone using loxel-based visual feature organization
MIR '08 Proceedings of the 1st ACM international conference on Multimedia information retrieval
Phone-to-phone communication for adaptive image classification
Proceedings of the 6th International Conference on Advances in Mobile Computing and Multimedia
Subobject detection through spatial relationships on mobile phones
Proceedings of the 14th international conference on Intelligent user interfaces
Who is here: location aware face recognition
Proceedings of the Third International Workshop on Sensing Applications on Mobile Phones
Review: Mobile guides: Taxonomy of architectures, context awareness, technologies and applications
Journal of Network and Computer Applications
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We present an enhancement towards adaptive video training for PhoneGuide, a digital museum guidance system for ordinary camera-equipped mobile phones. It enables museum visitors to identify exhibits by capturing photos of them. In this article, a combined solution of object recognition and pervasive tracking is extended to a client---server-system for improving data acquisition and for supporting scale-invariant object recognition. A static as well as a dynamic training technique are presented that preprocess the collected object data differently and apply two types of neural networks (NN) for classification. Furthermore, the system enables a temporal adaptation for ensuring a continuous data acquisition to improve the recognition rate over time. A formal field experiment reveals current recognition rates and indicates the practicability of both methods under realistic conditions in a museum.