本文選題：交互體驗裸眼 + 3D評估��； 參考：《西南科技大學(xué)》2017年碩士論文

【摘要】：人機交互技術(shù)(Human-Computer Interaction,簡稱HCI)指的是通過輸入、輸出設(shè)備實現(xiàn)人與計算機之間交換信息的技術(shù)。人機交互技術(shù)的研究從計算機問世以來經(jīng)歷了多次變革,完成了以計算機為中心到以人為中心的自然人機交互的轉(zhuǎn)變,并將提升用戶的個人體驗作為新一代人機交互設(shè)計的重要目標。面向個人體驗的人機交互設(shè)計是新一代人機交互技術(shù)的發(fā)展方向。論文總結(jié)了面向個人體驗的人機交互技術(shù)以用戶為中心、直接三維交互、滿足用戶交互意圖、保護用戶耐性的基本特性。以增強用戶體驗的人機交互為核心,提出一種面向個人體驗的三維交互范式(CCOT),以攝像機視角(Camera)、角色控制(Controller)、交互目標對象(Objects)、交互載體工具(Tools)四項基本條件描述三維環(huán)境中自然的人機交互過程。論文研究的面向個人體驗的人機交互技術(shù)主要包括以下方面:立體顯示技術(shù)、手勢交互技術(shù)、肢體交互技術(shù)。立體顯示技術(shù)方面,針對透鏡式裸眼3D立體顯示技術(shù)存在評估困難、用戶易眩暈的問題,提出一種基于斷層圖像重影寬度的裸眼3D圖像評估方法——斷層寬度測量法。通過單目攝像頭模擬人眼在3D可視區(qū)域拍攝裸眼圖像,以重影最嚴重的斷層處圖像寬度與清晰的甜點處圖像寬度相對比值作為裸眼圖像質(zhì)量的定量評估。根據(jù)該方法測定了人眼接收斷層圖像的極限參數(shù),并用于對立體圖像合成過程的不同視點排列順序進行設(shè)計評估,為提升裸眼3D顯示的個人體驗提供了合理的建議方案。手勢交互技術(shù)方面,針對數(shù)據(jù)手套空間定位困難的問題,設(shè)計并實現(xiàn)了一種基于視覺信息融合的數(shù)據(jù)手套原型設(shè)備——Visual Glove,具備旋轉(zhuǎn)姿態(tài)解算與映射、彎曲度檢測與識別、三維空間定位的功能。采用分級的快速模板匹配方法實現(xiàn)彎曲度采集值到虛擬手關(guān)節(jié)位置的快速映射。針對霍夫變換識別圓的算法在實際應(yīng)用場景實時性不足、準確度不高的缺點,通過引入特征校驗的霍夫變換識別手套上的發(fā)光球位置,提升了小球識別與定位的速度和準確性。肢體交互技術(shù)方面,設(shè)計了姿勢序列狀態(tài)鏈的肢體動作識別方法,通過定義離散的姿勢并以一定的時序關(guān)系組織,在動作發(fā)生過程同步識別動作姿勢,取得良好的交互實時性。在定義姿勢時只需考慮主要的動作關(guān)節(jié)點數(shù)據(jù)特征,具有良好的靈活性和自由性,有助于提升動作識別過程的個人體驗。綜合所研究的自然人機交互與顯示多種技術(shù),分析了各自的特點和適用場合。應(yīng)用面向個人體驗的裸眼3D設(shè)計方法和姿勢序列的動作識別方法構(gòu)建了裸眼3D互動體驗系統(tǒng),通過立體視覺展示和體感交互的結(jié)合提升了系統(tǒng)的吸引力及趣味性,具有良好的商業(yè)宣傳應(yīng)用潛力。手勢交互的沉浸式虛擬實驗系統(tǒng)基于頭戴式VR顯示技術(shù)和手勢交互技術(shù)構(gòu)建,通過沉浸式壞境中真實、自然的交互提升了虛擬仿真實驗的用戶體驗,用戶滿意度評價較高。通過以上交互系統(tǒng)的實際體驗驗證了所研究的面向個人體驗的人機交互技術(shù)具有良好的應(yīng)用價值。
[Abstract]:Human-Computer Interaction (HCI) refers to the technology of exchanging information between people and computers through input and output devices. The study of human-computer interaction has undergone many changes since the advent of computer and completed the transformation of natural computer interaction centered on the computer and human centered. Improving the personal experience of the user is an important goal of the new generation of human-computer interaction design. The human-computer interaction design for personal experience is the development direction of the new generation of human-computer interaction technology. This paper summarizes the human-computer interaction technology oriented to personal experience, which is user centered, direct three-dimensional interaction, meets user interaction intention and protects user patience. At the core of human-computer interaction to enhance user experience, a three-dimensional interactive paradigm for personal experience (CCOT) is proposed to describe the natural human-computer interaction in a three-dimensional environment with four basic conditions: camera perspective (Camera), role control (Controller), interactive target object (Objects) and interactive carrier tool (Tools). The human-computer interaction technology for personal experience mainly includes the following aspects: stereoscopic display technology, gesture interaction technology, limb interaction technology and stereoscopic display technology, in view of the difficulty in evaluating the lens type naked eye 3D stereoscopic display technology and the user's easily vertigo, a kind of naked eye 3D image evaluation based on the width of the image of the fault image is proposed. Method of estimation - fault width measurement. The naked eye image is taken in the 3D visual area by a single eye camera, and the ratio of the image width to the clear dessert image width is quantified by the ratio of the image width of the most serious fault location to the clear dessert image width. The limit parameters of the eye reception fault image are determined by this method. It is also used to design and evaluate the sequence of different view points in the process of stereoscopic image synthesis. It provides a reasonable proposal for improving the personal experience of the naked eye 3D display. In the aspect of gesture interaction, a prototype device based on visual information fusion is designed and implemented to solve the problem of the difficulty of spatial positioning of the data glove. Visual Glove, with the function of rotating attitude calculation and mapping, bending degree detection and recognition, three-dimensional space positioning. Using a fast template matching method to realize the fast mapping of the curvature acquisition value to the virtual hand joint position. The algorithm of Hof transform recognition circle is insufficient in real time and the accuracy is not high in the actual application scene. By introducing the Hof transform to identify the position of the luminous sphere on the glove, the speed and accuracy of the recognition and positioning of the ball are improved. The limb movement recognition method is designed for the gesture sequence state chain. The course synchronously identifies the action posture and achieves good interactive real time. In defining the posture, it only needs to consider the characteristics of the main joint point data. It has good flexibility and freedom, and helps to improve the personal experience of the action recognition process. The naked eye 3D design method for personal experience and the action recognition method of the postural sequence are used to construct the naked eye 3D interactive experience system. Through the combination of stereoscopic visual display and the body sense interaction, the system's attraction and interest are improved, and it has good commercial publicity and potential. The immersive virtual experiment system of hand gesture interaction Based on the construction of head wearing VR display technology and gesture interaction technology, the user experience of virtual simulation experiment is improved by the real and natural interaction in the immersive environment. The user satisfaction evaluation is high. Through the actual experience of the above interactive system, it is proved that the human-computer interaction technology for personal experience is well applied. Value.

【學(xué)位授予單位】：西南科技大學(xué)
【學(xué)位級別】：碩士
【學(xué)位授予年份】：2017
【分類號】：TP391.41;TP11

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