【摘要】：場景識別是室內(nèi)外無縫定位技術(shù)的研究重點,場景識別的好壞決定了位置服務(wù)用戶體驗的優(yōu)劣,已有室內(nèi)外場景識別研究方法存在數(shù)據(jù)冗余和計算復(fù)雜度高的問題。鑒于此,該文提出一種基于手機端的室內(nèi)外場景識別方法,利用智能手機獲取GPS衛(wèi)星高度角、信噪比和衛(wèi)星數(shù)目,通過分析上述實驗數(shù)據(jù)的相互作用影響,得到基于截止高度角、信噪比閾值和GPS衛(wèi)星數(shù)目閾值的室外到室內(nèi)場景識別判定依據(jù),實驗證明,該判定依據(jù)可有效區(qū)分室外、室外到室內(nèi)過渡區(qū)域和室內(nèi)場景。為得到普適的室內(nèi)外場景識別方法,該判定依據(jù)需在其他場景進一步驗證。
[Abstract]:Scene recognition is the research focus of indoor and outdoor seamless location technology. The quality of scene recognition determines the advantages and disadvantages of location service user experience. The existing research methods of indoor and outdoor scene recognition have some problems such as data redundancy and high computational complexity. In view of this, an indoor and outdoor scene recognition method based on mobile phone is proposed in this paper. The height angle, signal-to-noise ratio and the number of satellites of GPS satellite are obtained by using smart phone, and the interaction effect of the above experimental data is analyzed. Based on the cut-off angle, signal-to-noise threshold and the threshold of the number of GPS satellites, the identification criterion of outdoor-to-indoor scene is obtained. The experimental results show that the criterion can effectively distinguish outdoor, outdoor-to-indoor transition area and indoor scene. In order to obtain the universal method of indoor and outdoor scene recognition, the basis of this decision needs to be further verified in other scenarios.
【作者單位】： 中國礦業(yè)大學(xué)環(huán)境與測繪學(xué)院;中國測繪科學(xué)研究院;
【基金】：國家重點專項“室內(nèi)混合智能定位技術(shù)”(2016YFB0502102) 江蘇省普通高校學(xué)術(shù)學(xué)位研究生創(chuàng)新計劃項目(KYLX16_0544)
【分類號】：P228.4;TN929.53
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本文編號：2435549