Smart Pen Gesture Indexing via Synchronized Time Stamps
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Solution Overview
Problem
Existing pen-based computing systems face challenges in synchronizing recorded writing, audio, and digital content effectively, limiting the seamless integration of paper-based and digital environments.
Innovation Solution
A system and method that receive and index data streams from a smart pen device and a computing device to a synchronized time index, allowing for the storage and retrieval of gesture, audio, and digital content data streams, enabling synchronized playback and correlation with digital document states.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If multiple data streams (gesture, audio, digital content) are captured and synchronized, then the enriched note-taking experience is improved, but the system complexity increases
Solution Approach 1:
The system segments the enriched note-taking experience into distinct data streams (gesture data, audio data, digital content data) that are captured, processed, and synchronized independently. Each data stream is handled by dedicated components, allowing the system to manage complexity through modular organization while providing integrated functionality.
Solution Approach 2:
A time index serves as an intermediary mechanism that correlates multiple data streams without requiring direct integration of the streams themselves. The time index acts as a mediator that enables synchronization and playback of gesture, audio, and digital content data through a common temporal reference framework.
2Measurement precision
If data streams are indexed to a synchronized time index for playback, then the playback accuracy is improved, but the data processing time increases
Solution Approach 1:
The system performs preliminary indexing of data streams to a time index during the data capture phase. By organizing data with temporal markers in advance, the system enables accurate playback without requiring complex real-time processing, thus maintaining precision while reducing processing delays during playback.
Data Source
AI summary
A system and method receives a plurality of data streams from a smart pen device and a computing device, and indexes the data streams to a synchronized time index. A processor receives a first data stream representing gesture data captured by a smart pen device, and a second data stream representing a sequence of states associated with applications executing on a computing device, such that each state identifies content displayed by a computing device while the gesture data is captured. For example, a state could be a particular page of a digital document displayed by the computing device. After receiving the first and second data streams, the processor indexes the data streams to a synchronized time index, and stores the indexed data streams in a memory.