A DSP Based Camera Mouse System
Date Issued
2004
Date
2004
Author(s)
Lin, Wan-Kuei
DOI
zh-TW
Abstract
Abstract
Keywords: Man-machine interface, Camera Mouse, Face detection, Head motion
Man-machine interface has been developed for a long time. At present, the main streams of man-machine interface products on the market are manual devices, such as mice, keyboards, and joysticks. The man-machine interfaces developed before are not friendly due to the bulky devices they put on user’s body. When users wield them for a long time, they may feel tired or uncomfortable. Moreover, some interfaces may cause additional loading on computers, so we can’t use them on low-level computers.
In this thesis we constructed a DSP (Digital Signal Processor) based camera mouse system in addition to the traditional manual interfaces – mice and joysticks. The face detection algorithms including skin detection and lips detection were verified by MATLAB. During the operation video of user’s head was captured and analyzed by face detection algorithms embedded on DSP to detect human face and lips, and then the mouse cursor was controlled by lips motion. Because this system is constructed by DSP, execution performance of computers will not be affected, and no device has to be worn on user’s body.
The above system can be successfully applied to some general operations, such as surfing the internet, watching multi-media programs, and playing PC games. This system has forsaken traditional mechanical manual man-machine interface, and enabled users to communicate with computers with their natural body language.
Subjects
視訊滑鼠
人機介面
頭部運動
人臉偵測
Camera Mouse
Head motion
Man-machine interface
Face detection
Type
thesis