發(fā)布時間：2018-10-23 11:57

【摘要】：隨著科學(xué)技術(shù)的快速發(fā)展,人機(jī)互動技術(shù)的應(yīng)用越來越成熟,對其使用也越來越普遍。如今,實現(xiàn)互動的技術(shù)各式各樣,人機(jī)互動不再僅僅只考慮精確的輸入輸出,更關(guān)注的是機(jī)器與人的高效自然互動。但是,目前的人機(jī)互動系統(tǒng)支持的互動點比較少,且互動面尺寸也比較小,基本只適合一到二個人的互動體驗。同時,激光傳感器電機(jī)運行時產(chǎn)生的干擾噪聲對人機(jī)互動控制系統(tǒng)的影響很大。本文設(shè)計提出的基于激光傳感器探測定位的人機(jī)互動系統(tǒng)解決了這些缺陷,對存在噪聲的原始數(shù)據(jù)進(jìn)行零距離值點濾波、動態(tài)自適應(yīng)濾波等綜合濾波,并設(shè)計了基于二維激光傳感器的人機(jī)互動系統(tǒng),突破了互動點較少及互動面尺寸較小的限制,可在大尺寸互動面上進(jìn)行多人實時互動。其應(yīng)用潛力巨大,可廣泛應(yīng)用于產(chǎn)品展覽展示互動、博物館顯示互動和游戲娛樂互動等多個領(lǐng)域。本文設(shè)計提出的人機(jī)互動系統(tǒng)使用二維激光傳感器作為核心硬件,并對其進(jìn)行工作原理的介紹和誤差分析,使用C#語言進(jìn)行編程,實現(xiàn)硬件的控制、數(shù)據(jù)的傳輸通信、數(shù)據(jù)的處理等數(shù)個功能模塊,并連接成一套控制軟件。針對系統(tǒng)噪聲提出了一個綜合濾波算法,對存在噪聲的原始數(shù)據(jù)進(jìn)行零距離值點濾波和動態(tài)自適應(yīng)濾波預(yù)處理,然后對預(yù)處理好的數(shù)據(jù)進(jìn)行自適應(yīng)閾值最近鄰聚類濾波,并進(jìn)行了常規(guī)加權(quán)濾波與綜合濾波間的對比試驗。經(jīng)大量實驗驗證,該綜合濾波算法可有效濾除噪聲,提高互動點跟蹤定位的精準(zhǔn)度,并可實時運行,極大提升了互動體驗效果。通過Ventuz三維編輯軟件,設(shè)計編寫互動顯示內(nèi)容并進(jìn)行顯示播放,用戶即可在互動屏幕上進(jìn)行主動式的互動體驗。本文提出的人機(jī)互動系統(tǒng)已成功應(yīng)用于張家港人民醫(yī)院智能醫(yī)療中心,經(jīng)過互動屏幕安裝與人機(jī)互動系統(tǒng)調(diào)試,系統(tǒng)運行穩(wěn)定,多人實時互動效果良好。項目的成功實施表明,本文設(shè)計提出的人機(jī)互動系統(tǒng)應(yīng)用前景廣泛,可實現(xiàn)大尺寸屏幕上的人機(jī)互動,且支持多個用戶的實時互動,主動式的傳播信息,使人機(jī)互動更高效自然,更加娛樂化、廣告化和人性化。
[Abstract]:With the rapid development of science and technology, the application of human-computer interaction technology is becoming more and more mature, and its use is becoming more and more common. Nowadays, there are many kinds of technologies to realize interaction, and man-machine interaction is not only concerned with precise input and output, but also with the highly efficient natural interaction between machine and human. However, the current man-machine interaction system supports fewer interaction points, and the size of the interaction surface is also relatively small, which is only suitable for one or two people's interaction experience. At the same time, the interference noise produced by laser sensor motor has a great influence on man-machine interactive control system. In this paper, the human-computer interaction system based on laser sensor detection and positioning is designed to solve these problems. The original data with noise is filtered by zero-distance point filtering, dynamic adaptive filtering and so on. A human-computer interaction system based on 2-D laser sensor is designed, which breaks through the limitation of fewer interactive points and smaller size of interaction surface, and can be used for multi-person real-time interaction on large scale interactive surface. It has great application potential and can be widely used in many fields, such as product display interaction, museum display interaction and game entertainment interaction. The human-computer interaction system designed in this paper uses 2-D laser sensor as the core hardware, introduces the working principle and error analysis, uses C # language to program, realizes hardware control, data transmission and communication. Data processing and other several functional modules, and connected to a set of control software. In this paper, a comprehensive filtering algorithm for system noise is proposed. The original data with noise is preprocessed by zero-distance point filtering and dynamic adaptive filtering, and then the pre-processed data is filtered by adaptive threshold nearest neighbor clustering. The contrast test between conventional weighted filter and synthetic filter is carried out. A large number of experiments show that the integrated filtering algorithm can effectively filter noise, improve the accuracy of interactive point tracking and positioning, and can run in real time, greatly improving the interactive experience effect. Through the Ventuz 3D editing software, the interactive display content is designed and played, and the user can carry on the active interactive experience on the interactive screen. The human-computer interaction system proposed in this paper has been successfully applied to the intelligent medical center of Zhangjiagang people's Hospital. After the installation of the interactive screen and the debugging of the man-machine interactive system, the system is running stably and the effect of multi-person real-time interaction is good. The successful implementation of the project shows that the human-computer interaction system designed in this paper has a wide application prospect, can realize man-machine interaction on a large screen, and supports real-time interaction of multiple users and active dissemination of information. Make man-machine interaction more efficient and natural, more entertainment, advertising and humanization.
【學(xué)位授予單位】：蘇州大學(xué)
【學(xué)位級別】：碩士
【學(xué)位授予年份】：2016
【分類號】：TP11;TP212

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