| Summary: | 碩士 === 國立臺灣大學 === 生物產業機電工程學研究所 === 99 === This study is to develop a digital lettuce museum and design a human machine interface (HMI) for mouse emulation and gesture recognition to manipulate computers and software packages through Nintendo Wii remote controller and IR LED array. Gesture recognition is used to quickly launch the digital lettuce museum and other applications. The gesture recognition algorithm employs cross correlation approach to recognize eight gestures built in the database. The average recognition rate for the eight gestures can be up to 91.25%. Besides, the system allows users to define their own gestures for customized database. The system also provides a mouse function to manipulate the digital lettuce museum and other applications except gesture recognition. The digital lettuce museum is developed based on Matlab, which consists of 19 cultivars of lettuce described in details, including common names of lettuce in both Chinese and English, scientific name, plant features, climate for suitable cultivation, field preparation, fertilization and pictures etc. The HMI used to control a computer and software packages may serve as a teaching or presentation medium without getting trapped in front of the computer.
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