光学学报, 2020, 40 (13): 1310001, 网络出版: 2020-07-09
基于超像素分割的IPPG活体皮肤检测 下载: 920次
IPPG Alive-Skin Detection Based on Superpixel Segmentation
图 & 表
图 2. SLICO超像素分割效果。(a)活体皮肤;(b)皮肤模型;(c)复杂背景
Fig. 2. Result of SLICO super-pixel segmentation. (a) Alive-skin; (b) skin model; (c) complex background
图 4. 不同区域的IPPG时域信号。(a)敏感区域;(b)背景区域
Fig. 4. IPPG time-domain signals at different areas. (a) Sensitive area; (b) background area
图 5. IPPG相关信号的频谱图. (a)脉搏波幅度谱;(b)噪声信号幅度谱;(c)脉搏波功率谱;(d)噪声信号功率谱
Fig. 5. Frequency spectra of IPPG related signals. (a) Amplitude spectrum of pulse; (b) amplitude spectrum of noise; (c) power spectrum of pulse; (d) power spectrum of noise
图 6. IPPG相关信号的功率谱图。(a)归一化的脉搏波;(b)归一化的噪声信号;(c)序列化的脉搏波;(d)序列化的噪声信号
Fig. 6. Power spectra of IPPG related signals. (a) Normalized pulse; (b) normalized noise; (c) sorted pulse; (d) sorted noise
图 8. SPASD算法检测结果。(a)原图;(b)超像素分割图;(c)检测效果图
Fig. 8. Results of SPASD algorithm test. (a) Original image; (b) superpixel segmentation; (c) detect result
表 1SVM相关训练参数
Table1. SVM related training parameters
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表 2不同算法的实验结果
Table2. Experimental results of different algorithms
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孔令琴, 吴育恒, 赵跃进, 董立泉, 刘明, 惠梅. 基于超像素分割的IPPG活体皮肤检测[J]. 光学学报, 2020, 40(13): 1310001. Lingqin Kong, Yuheng Wu, Yuejin Zhao, Liquan Dong, Ming Liu, Mei Hui. IPPG Alive-Skin Detection Based on Superpixel Segmentation[J]. Acta Optica Sinica, 2020, 40(13): 1310001.