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https://nccur.lib.nccu.edu.tw/handle/140.119/146468
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| Title: | 利用移動裝置進行室內快速建模之研究
The Study of Rapid Indoor Modeling Using Mobile Devices |
| Authors: | 白軒宇
Pai, Hsuan-Yu |
| Contributors: | 甯方璽
Ning, Fang-Shii
白軒宇
Pai, Hsuan-Yu |
| Keywords: | 光達
行動裝置
室內建模
低成本
Lidar
Mobile Devices
Indoor Modeling
Low-Cost |
| Date: | 2023 |
| Issue Date: | 2023-08-02 13:40:54 (UTC+8) |
| Abstract: | 隨著科技的日新月異，人們持有行動裝置的比例大幅增加，而各家智慧型手機及平板製造商也紛紛將不同種類之可測距鏡頭納入產品的配備清單中，如何藉由更簡易的儀器來達到室內三維建模水準已成為現今許多研究發展的目標。
在現今社會裡，人們對於室內模型的運用日益廣泛，其目的包括了室內工程
使用、商家進行產品演示等等，目前大多採行的方法有二，全測站 (Total Station)測量後人工繪出模型以及光達系統 (Lidar System)掃描獲得點雲圖資。此兩種方法雖然可以得到精度極高的成果，但存在下列兩大劣勢，一為價格昂貴，以光達系統而言，專業測量機型少則幾十萬，高階版本亦可達百萬，對於施測單位會是不可忽視的一筆開銷，二為測量人員的專業性，在操作這兩類儀器時，施測者必須具備一定的測量知識，同時必須熟稔儀器操作之方法及特定注意事項，對於測量單位來說可能導致人員調度上之困難。 因此本研究將以智慧型手機作為實驗裝置，利用配置於其上的光達相機進行室內建模精度之探討，同時輔以手持式光達作為對照組，檢視兩者精度差距，並發展快速且低成本之作業模式以智慧型裝置取代高價儀器進行相關之建模及測量工作。而由本研究最終成果認定目前行動裝置所配置之光達系統可達到公分級精度，且在總長約160公尺的大範圍場景中智慧型裝置約有80%的點雲與手持式光達差距落於0.1公尺內惟於測量任務中仍建議依照精度要求選取適當工具。
With the continuous advancement of technology, the rate of people possessing mobile devices has increased, smartphone and tablet manufacturers starting to equip their products with different kind of distance measuring cameras. How to obtain the same modeling data with a more simply technic has become the goal of various researchers.
Nowadays, the use of indoor model has expanded widely, while the purpose includes interior works, merchant demonstrating products, etc. Most of them are following two main methods. First is using the data gaining from total station, and then build a model artificially. Another is scanning with Lidar system to get the point cloud data. Although both methods can get a result with high precision, it remains following two disadvantage. One is that Lidar systems are too costly, for professional models could reach hundreds of thousands NTD, the higher-level model even cost over a million NTD, which is an expenditure can’t be ignored. Another is the professionalism of the measuring staff. When using these two kinds of instrument, they should have enough professional skills, also, be experienced with operation methods and precautions, which may lead to a difficulty in staff scheduling.
According to the reasons mentioned upon, this research will use smartphone equipped with Lidar camera as our instrument, conducting the discussion of the precision of indoor modeling. At the same time, use the Geo Slam as the control group, examining the difference in precision between mobile devices and professional instruments. After all, develop a rapid but low-cost operating pattern in modeling and measuring tasks by replacing high-priced instruments with mobile devices. According to the result, the precision of Lidar system equipped on mobile devices could reach cm level, also the difference between mobile device and handheld Lidar in wide area which length is about 160 meter will have roughly 80% point under 0.1 meter, but it’s recommended to choose devices based on the precision acquired by each task. |
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| Description: | 碩士
國立政治大學
地政學系
110257030 |
| Source URI: | http://thesis.lib.nccu.edu.tw/record/#G0110257030 |
| Data Type: | thesis |
| Appears in Collections: | [地政學系] 學位論文
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