1. Paper Bibliography
- Title: Gestures without Libraries, Toolkits or Training- A $1 Recognizer for User Interface Prototypes
- Authors: Wobbrock, Jacob O., Andrew D. Wilson, and Yang Li
- Publication: Proceedings of the 20th annual ACM symposium on User interface software and technology. ACM, 2007.
2. Summary
- This paper suggest a recognizer called $1 recognizer which is easy simple and powerful. When developing user interface prototype, most people except experts usually need to use user libraries or tools as a gesture recognizer, but sometimes the libraries or tools provided by industries might not enough because the usage of sketch techniques with pen, finger and wand gestures are increased. Although the $1 recognizer is simple, it supports high recognition rate comparing to Dynamic Time Warping and Rubine classifier.
3. My opinion
1) Method
- The simple four-step algorithm suggested by the paper is very easy to understand, so it was impressive that $1 recognizer is powerful and the recognition rate of $1 recognizer is same as of more complex recognizers.
2) Idea
- This is not sophisticated but simple and powerful. I think it is a great idea that providing easy-to-use gesture recognizer to people who are not experts.
3) New research idea
- I do not have a new research idea but I think this idea could be improved if $1 recognizer combined with techniques based on features to classify.
Even though the idea of this paper is pretty simple, there's no doubt that it could help us to implement an sketch recognition systems. From this paper, we may develop many other recognition systems.
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