Eye and mouth state detection algorithm based on contour feature extraction

作者: Yingyu Ji , Shigang Wang , Yang Lu , Jian Wei , Yan Zhao

DOI: 10.1117/1.JEI.27.5.051205

关键词: Face (geometry)Feature extractionRGB color modelCluster analysisSegmentationHuman eyeImage segmentationIris recognitionComputer scienceAlgorithm

摘要: Eye and mouth state analysis is an important step in fatigue detection. An algorithm that analyzes the of eye by extracting contour features proposed. First, face area detected acquired image database. Then, eyes are located EyeMap through a clustering method to extract sclera-fitting calculate aspect ratio. In addition, effective proposed solve problem fitting when human affected strabismus. Meanwhile, value chromatism s defined RGB space, accurately lip segmentation. Based on color difference lip, skin, internal mouth, can be fitted analyze opening mouth; at same time, another unique yawning judgment mechanism considered determine whether driver tired. This paper based three different databases evaluate performance algorithm, it does not need training with high calculation efficiency.

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