研究生: |
陳詩杭 Shih-hang Chen |
---|---|
論文名稱: |
智慧型居家照護之安全警訊偵測系統 The Warning Message Detection of Intelligent Home Care System |
指導教授: |
蔡超人
Chau-ren Tsai |
口試委員: |
蘇順豐
Shun-feng Su 王乃堅 Nai-jian Wang 湯士滄 Shih-tsang Tang |
學位類別: |
碩士 Master |
系所名稱: |
電資學院 - 電機工程系 Department of Electrical Engineering |
論文出版年: | 2014 |
畢業學年度: | 102 |
語文別: | 中文 |
論文頁數: | 114 |
中文關鍵詞: | 影像處理 、姿態分析 、智慧型手機 |
外文關鍵詞: | image process, posture analysis, smart phone |
相關次數: | 點閱:424 下載:10 |
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隨著高科技和高齡化的到來,居家安全監控逐漸受到重視,然而一般監控系統多為定點錄影監控,當發生意外時無法即時通知監護人員,所以本論文以開發獨立式居家安全即時監控系統為目的。數位訊號處理器(Digital Signal Processor, DSP)具體積小、高速率以及獨立運作的優點,因此本系統採用德州儀器(Texas Instrument)之TMS320DM642 DSP為開發平台,搭配雙攝影機架構組合成智慧型居家照護系統,在雙攝影機中的場景攝影機做為大範圍偵測用,而PTZ(Pan/Tilt/Zoom)攝影機實現旋轉與縮放,可達到目標物追蹤之目的。首先透過前景萃取法找出連續輸入影像中的目標物,並建立其姿態骨架,接著由此骨架與事先建立的各姿態碼本進行比對後得到姿態辨識之結果,然後由連續的姿態結果判斷目標物之連動姿態,最後將影像透過網際網路傳送至遠端監控者,使監控者可使用電腦和智慧型手機觀看目前畫面,以達到智慧型居家照護之安全警訊偵測系統。
Video recording based surveillance system have been used in health care and home care areas. When an accident occurs, guardianship person cannot be informed immediately. Therefore, this thesis presents a stand-alone system for home care by recognizing six postures and four actions. The system combines TMS320DM642 Digital Signal Processor (DSP) and dual-camera module. In dual-camera module, the field camera is used for detecting a preliminary target. Another one is PTZ camera used for tracking the target. At first, we extract the target person from input image and establish its posture skeleton. Secondly, the posture is recognized by computing similarity between posture skeleton and posture codebook which is established previously. The change in posture of continuously is used for analyzing action. Finally, we can transmit the image to remote computer, and the monitoring personnel can use computer and smart phone to watch current image. According to the research result, the accuracy of posture recognition and action analysis is larger than 90%. The warning message detection of intelligent home care system could successfully monitor and send warning message.
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