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A Mouse with Two Optical Sensors that Eliminates Coordinate Disturbance During Skilled Strokes : 숙련된 선긋기 중 좌표계 교란을 제거하는 두 개의 광센서를 갖는 컴퓨터 마우스
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- Authors
- Advisor
- 이동준
- Major
- 공과대학 기계항공공학부
- Issue Date
- 2014-02
- Publisher
- 서울대학교 대학원
- Keywords
- Graphical input device ; computer mouse ; body-fixed coordinate system ; coordinate disturbance ; skilled drawing ; ergonomics
- Description
- 학위논문 (박사)-- 서울대학교 대학원 : 기계항공공학부, 2014. 2. 이동준.
- Abstract
- The computer mouse is rarely used for drawing due to its body-fixed coordinate system, which creates a stroke that differs from the users original hand move- ment. In this study, we resolve this problem by implementing a new mouse called StereoMouse, which eliminates the rotational disturbance of the coor- dinate system in real-time. StereoMouse is a special mouse with two optical sensors, and its coordinate orientation at the beginning of a stroke is maintained throughout the movement by measuring and compensating for the angular de- viation estimated from those sensors. The drawing performance of StereoMouse was measured by means of having users perform the task of repeatedly draw- ing a basic shape. The results of this experiment showed that StereoMouse eliminated the horizontal drift typically observed in a stroke drawn by a nor- mal mouse. Consequently, StereoMouse allowed the users to draw shapes at a 10.6% faster mean speed with a 10.4% shorter travel time than a normal mouse would. Furthermore, StereoMouse showed 37.1% lower chance of making incor- rect gesture input than the normal mouse.
- Language
- English
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