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[ "李娜(1976-),女,石家庄铁道大学四方学院讲师,主要研究方向为图像处理。" ]
[ "张晓宁(1981-),女,石家庄铁道大学四方学院讲师,主要研究方向为数据库应用。" ]
[ "朱芳娥(1983-),女,石家庄铁道大学四方学院工程师,主要研究方向为数据库应用。" ]
网络出版日期:2016-06,
纸质出版日期:2016-06-20
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李娜, 张晓宁, 朱芳娥. 视觉传感网络中身份特征自适应识别算法改进[J]. 电信科学, 2016,32(6):110-115.
Na LI, Xiaoning ZHANG, Fang’e ZHU. Improvement of identity adaptive recognition algorithm in visual sensor network[J]. Telecommunications science, 2016, 32(6): 110-115.
李娜, 张晓宁, 朱芳娥. 视觉传感网络中身份特征自适应识别算法改进[J]. 电信科学, 2016,32(6):110-115. DOI: 10.11959/j.issn.1000-0801.2016171.
Na LI, Xiaoning ZHANG, Fang’e ZHU. Improvement of identity adaptive recognition algorithm in visual sensor network[J]. Telecommunications science, 2016, 32(6): 110-115. DOI: 10.11959/j.issn.1000-0801.2016171.
在对视觉传感网络中身份特征进行识别时,容易受到人脸表情、光照条件及遮挡等干扰,降低了身份特征识别精度。提出了一种基于改进最小灰度差树的身份特征自适应识别算法。对待识别图像进行灰度处理后,利用最小灰度差数增强待识别图像的质量;定义基于灰度的代价函数,获取待识别人脸图像和指定人脸图像对应的各灰度对的匹配代价,建立最小灰度差树模型,计算两幅图像相似度后,直接采用最近邻匹配算法获取和视觉传感网络注册图库中最小匹配代价对应的图像身份,将其看作待识别身份,实现视觉传感网络中身份特征自适应识别。仿真实验结果表明,所提算法具有很高的身份识别精度。
When recognizing the identity in visual sensor network,it’s easily to be interfered with facial expression,illumination condition and shelter,so as to reduce the recognition accuracy.An identity adaptive recognition algorithm based on the improved minimum gray difference tree in visual sensor network was put forward.After gray processing,the minimum gray difference was used to enhance the quality of the image;cost function based on gray level was defined,the match price of each corresponding pair of gray of the image to be recognized and the specified face image were achieved,minimum gray difference tree model was set up,after two image similarity were calculated,the nearest neighbor matching algorithm was directly applied to obtain the image identity corresponding to minimum matching cost in the visual sensor network registration gallery,it was viewed as the identity to be recognized,the adaptive identity recognition was achieved in visual sensor network.Simulation results show that the proposed algorithm has high identification accuracy.
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