计算机系统应用
計算機繫統應用
계산궤계통응용
APPLICATIONS OF THE COMPUTER SYSTEMS
2015年
6期
158-162
,共5页
王业篷%张运楚%杨红娟%赵成%韩颖
王業篷%張運楚%楊紅娟%趙成%韓穎
왕업봉%장운초%양홍연%조성%한영
居家养老%视觉传感器%独居老人%突发失能
居傢養老%視覺傳感器%獨居老人%突髮失能
거가양로%시각전감기%독거노인%돌발실능
aging in place%vision sensor%live-aloned old people%sudden disability
为解决坐、卧状态下老人突发失能检测失效问题,设计了基于视觉传感器的老人突发失能检测算法。使用包围盒选择性更新策略实现对老人静止状态下的检测。采用视频图像网格化处理将监控范围划分成多个子区域。统计老人进入不同子区域的次数和时间,并建立区域驻留时间高斯模型实现老人突发失能检测。实验表明,本文算法具有运行平稳,实时性好,无监控死角等特点,可有效检测独居老人坐、卧状态下的突发失能。
為解決坐、臥狀態下老人突髮失能檢測失效問題,設計瞭基于視覺傳感器的老人突髮失能檢測算法。使用包圍盒選擇性更新策略實現對老人靜止狀態下的檢測。採用視頻圖像網格化處理將鑑控範圍劃分成多箇子區域。統計老人進入不同子區域的次數和時間,併建立區域駐留時間高斯模型實現老人突髮失能檢測。實驗錶明,本文算法具有運行平穩,實時性好,無鑑控死角等特點,可有效檢測獨居老人坐、臥狀態下的突髮失能。
위해결좌、와상태하노인돌발실능검측실효문제,설계료기우시각전감기적노인돌발실능검측산법。사용포위합선택성경신책략실현대노인정지상태하적검측。채용시빈도상망격화처리장감공범위화분성다개자구역。통계노인진입불동자구역적차수화시간,병건립구역주류시간고사모형실현노인돌발실능검측。실험표명,본문산법구유운행평은,실시성호,무감공사각등특점,가유효검측독거노인좌、와상태하적돌발실능。
A rapid the elderly sudden disability detection algorithm based on vision sensor is proposed for solving the problem of failure to detect sudden disability for sitting and lying the elderly. The static elderly is detected by using bounding box selective update policy. In the paper, video grid technology is proposed for dividing video into a plurality of sub-areas. Different frequency and duration of entering the sub-region are counted for establishing a Gaussian model based on duration. Experiments show that the proposed method has smooth running, real time, and without monitoring dead angle, besides it has the ability of fast and stable in detecting sudden disability for sitting and lying live-aloned old people.