Digital television user interfaces are composed of text, graphics and video. Usability issues that arise include information visualization, searching and navigation. This paper introduces two user interface prototypes for digital television. Both prototypes were tested with real users and the test results are discussed.
This article presents a graphics software architecture for next-generation digital television receivers. We propose that such receivers should include a standardised Java-based procedural environment capable of rendering 2D/3D graphics and video, and a declarative environment supporting W3C recommendations such as SMIL and XForms. We also introduce a graphics architecture model that meets such requirements. As a proof-of-concept, a prototype implementation of the model is presented. This implementation enhances television content by allowing the user to play 3D graphics games, to run Java applications, and to browse XML-based documents while meeting current hardware restrictions.
The goal of this work was to develop an improved defect detection scheme for highspeed real-time web surface inspection. This goal was realized by splitting the task into two independent parts: feature extraction and segmentation. Both parts were implemented using efficient algorithms which were implemented in hardware that is suitable and fast enough to be included in a working web inspection system. The proposed scheme is based on some derived texture features and a new self-organizing map variant, the statistical self-organizing map. These techniques offer several improvements over the gray-level thresholding techniques that have been traditionally used in commercial web inspection systems.
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