擴增實境（Augmented Reality, 以AR簡稱）之技術及應用隨著科技發展之浪潮逐漸步入日常生活中，以直覺之渲染效果及創新介面之特點，從實務應用層面及生活娛樂層面帶來不同於以往之便利模式。其能透過鏡頭拍攝及螢幕展示呈現真實世界之環境展示於介面中，並基於應用需求，將虛擬之文字、模型、特效、動畫等效果疊加於此介面展示之真實世界環境上，以擴增描述及展示於真實世界中肉眼不可及、來自於腦中想像，或是尚於規劃階段未實際存在場景中之各項虛擬資訊及物件。地理資訊系統（Geographic Information System, 以GIS簡稱）由於技術之進步及人們對於紀錄空間現象之需求，目前發展已從二維轉為三維環境，從而於各應用層面都有了更多之模式，尤其基於圖徵之3D GIS更具有紀錄各種現象之三維位置和屬性關係之優勢，除了能近乎還原真實世界場景外，也確保每個物件都能有對應之語義且能與其他物件連接，進而能有效地管理大量之三維資料以滿足特定應用需求。
AR之呈現內容主要來自相機捕捉之真實世界場景，與3D GIS相同都於三維之工作環境中運作， 3D GIS提供了一個可靠之框架，使AR場景中渲染之物件能對應在真實世界之精確位置並顯示對應之擴增資訊，兩技術之結合能擴大彼此之優勢，使AR不再限於簡易地渲染虛擬內容，3D GIS也能有更多資訊呈現之方式。本研究之課題為：1. 提出AR和GIS結合之基礎運作架構。2. 由GIS之觀點切入，提出基於圖徵之AR應用概念。3. 基於提出之架構及基於圖徵之AR應用概念進行實際開發測試。
為提出基礎運作架構，了解整體架構之需求有其必要性，因此需先對於兩技術各自優勢、結合之優勢、對應之軟硬體技術有所掌握，後便基於分析之結果歸結兩技術結合不可或缺之基本要素，並以這些基本要素建構基礎運作架構，討論架構各自元件之功能及運作流程。基於此架構之資料特性，提出基於圖徵之擴增實境應用概念，從GIS之圖徵定義切入，探討圖徵層級能獲得之操作特點，論述說明AR引用圖徵概念之優勢，並討論此概念能進一步解決AR應用之遮蔽問題，基於圖徵之優勢以使用者之觀點提出遮蔽應用之兩項解決方案。最後基於本研究提出之運作架構及基於圖徵之AR應用概念，由使用者之多元應用模式設計操作互動功能，並結合超寬頻(Ultra WideBand4, 以UWB簡稱)室內定位技術，於室內場景進行實作測試，討論實際運作之成效，歸結兩技術結合之特點並驗證本研究架構及設計策略之可行性。

Currently, Augmented Reality (AR) technology is gradually integrating into daily life with the advancement of technology. Its intuitive rendering effects and innovative interface bring new levels of convenience to practical applications and entertainment. By capturing real-world environments through a camera and overlaying virtual elements such as text, models, effects, and animations, AR enhances the real-world interface with information that is invisible to the naked eye or still in the planning stages. This allows users to experience a richer and more interactive environment, blending the physical and virtual worlds seamlessly. Geographic Information Systems (GIS) have also evolved from 2D to 3D environments, offering significant advantages in recording three-dimensional positions and attribute relationships of various phenomena. This evolution enables the management of large amounts of 3D data, which is crucial for meeting specific application needs in fields such as urban planning, environmental monitoring, and resource management. The combination of AR and 3D GIS facilitates accurate real-world positioning and augmented information display, thus expanding their respective advantages and providing more comprehensive rendering and information presentation capabilities.
This study aims to propose a foundational operational framework for integrating AR and GIS, introduce the concept of feature-based AR applications from a GIS perspective, and conduct practical development and testing based on this framework. Understanding the individual strengths of both technologies and their synergistic benefits is essential for constructing a reliable operational framework. The proposed framework will discuss the functions and processes of each component, explore the operational characteristics at the feature level, and address common AR application issues such as occlusion and object interaction. Additionally, the study will delve into how the feature-based approach can enhance AR applications by providing detailed semantic connections and ensuring that virtual objects interact meaningfully with their real-world counterparts. The advantages of AR incorporating the feature concept are discussed, along with how this concept can further solve the occlusion problem in AR applications. The study also involves designing interactive operation functions tailored to user needs and testing these implementations in indoor environments using Ultra WideBand (UWB) positioning technology. By analyzing the practical operational effectiveness and summarizing the distinctive features of integrating AR and GIS, the study aims to verify the feasibility of the proposed framework and design strategies. Ultimately, this research provides valuable insights into the enhanced capabilities of combined AR and GIS technologies, paving the way for more sophisticated and user-friendly applications in various domains.

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