- 學位論文
WebCam 頭控式視覺輔助工具設計與可用性評估
Design and Usability Evaluation of a Web-Camera Based Head-Controlled Visual Tool
摘要
現今多?的大眾公共場所皆有?位化導覽設備，如台?市捷運?線圖、美術館展區導覽、遊?區導覽等。使用者透過?鼠或鍵盤等輸入設備?控制這些?位化互動設備，當使用者接觸這些輸入設備時，容?造成病菌的感染。基於公共衛生的需求，本研究的目的為設計?需使用者直接接觸的互動式導覽工具，並且使用低成本的網?攝影機作為主要互動介面。 本研究首先探討視覺能?對文字的視認性，再以國內外頭控裝置、人臉追蹤等相關技術做介面基礎研究。在先期測試中收集使用者對文字的可視性、人臉寬??據與畫面移動速?的?據，並將這些?據作為設計後期測試工具的依據。在後期測試中設計頭控式輔助工具，以國美館?層導覽為?，對20 位受測者進?使用性測試。評估方式採用紀?實際使用者、主觀滿意?問卷、訪談使用者。 經由本研究發現頭控式輔助工具的水平移動比垂直移動容?操作。除此之外，使用者對於貼近、遠?螢幕和水平移動都能有?好的控制能?。大部分的使用者只需要經過簡短的教學?可順?使用本工具。
並列摘要
There are several navigation equipments in most public places now, such as the Taipei MRT road map, the National Taiwan Museum of Fine Arts of the pavilion Map and amusement parks…etc. The users’ control this digital interactive equipment through the keyboard, mouse and other input devices, however, users may easily acquired infections by touching these input devices. Based on the demand of public health, the purpose of this study is to design an interactive navigation tool that users don’t need to touch it, and this tool uses a low-cost camera as a major interactive interface. This study first discusses the visual capacity of the text legibility, and then to do the interface basic research about head control devices, face tracking and other related technology. In preliminary test, the collection of user visibility of the text, face width data, the screen speed data, and then use those data as the basis for post-test. This study designs the assistant tool by controlling the head in the later period of the test. For example of the pavilion map of the National Taiwan Museum of Fine Arts, This study measure 20 subjects to proceed with the usability test. The evaluation method adopts Logging Actual use, Interviews and Questionnaires. This study discovers that the operation by horizontal moving is easier than the vertical moving of the tool. Besides, the users control this tool well that approach the screen, left it, and horizontal moving. The most users can only need brief instructions to use this tool.