PACER: Fine-grained Interactive Paper via Camera-touch Hybrid Gestures on a Cell Phone
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PACER is a system that allows users to interact with paper documents using a cell phone in a seamless way. It uses computer vision techniques and hybrid camera-touch gestures to link physical paper to digital information and interactions. Some key features include allowing fine-grained interaction at the word/character level, semi-real-time processing to handle camera inputs, and hybrid gestures combining embodied gestures and touch inputs. A preliminary user study found the approach was well received and recognition accuracy was over 80%, though further work is needed to improve interactions.
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- 1. PACER: Fine-grained Interactive Paper via Camera-touch Hybrid Gestures on a Cell Phone Chunyuan Liao, Qiong Liu, Bee Liew, Lynn Wilcox FX Palo Alto Laboratory ACM CHI Conference Atlanta, GA, U.S.A. 4/15/2010
- 2. Scenario One I should email Jenny about this interesting article, especial the pulses in this curve
- 3. Scenario Two I want to search for the definition of θ in this book