典型的数据预处理方法 ·滤波：简单常用的图像处理方法，主要用于减少噪点或失真 ·线性滤波：方框滤波、均值滤波、高斯滤波等 ·非线性滤波：中值滤波、双边滤波等 ·形态学滤波：腐蚀、膨胀、开/闭运算等 输入图像 均值滤波 形态学腐蚀 形态学膨胀
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研究进展 目标检测 人脸识别[1) 眼球追踪[2] 三维重建[3] [1]Farrukh,H.,Aburas,R.M.,Cao,S.,Wang,H."FaceRevelio:a face liveness detection system for smartphones with a single front camera".ACM MobiCom,2020. [2]Song,C.,Wang,A.,Ren,K.,Xu,W."Eyeveri:A secure and usable approach for smartphone user authentication".IEEE, INFOCOM.2016. [3]https://github.com/raulmur/ORB SLAM2
¬n ux~ ª. [1] [1] Farrukh, H., Aburas, R. M., Cao, S., Wang, H. “FaceRevelio: a face liveness detection system for smartphones with a single front camera”. ACM MobiCom, 2020. [2] Song, C., Wang, A., Ren, K., Xu, W. “Eyeveri: A secure and usable approach for smartphone user authentication”. IEEE, INFOCOM. 2016. [3] https://github.com/raulmur/ORB_SLAM2. ´® [2] ·_ [3]
研究进展一人体关节点检测 ·从单张深度图中预测人体关节的3D位置，设计一种身体部位的中 间表示形式，将姿势估计问题映射为像素分类问题，然后采用随 机森林分类器识别身体部位，重新投影生成人体关节。 (I,x) tree 1 tree 7 ront ront depth image body parts 3D joint proposals [1]Shotton,J.,Fitzgibbon,A.,Cook,M.,Sharp,T.,Finocchio,M.,Moore,R.,...Blake,A.Real-time human pose recognition in parts from single depth images.In IEEE CVPR 2011
¬nAG3{uy • lôśï¸AșŚPzpƿŶ ^ƴOǑǍȣƊǦzǾ^ŶA ȉǃƇøóOÝȩ]ǍȈțijÜBjƤ~ƠȈțOŤ«ȀŰȏ Ļŋł~Ơ¶ǔǦzǾ^OȂĮčùůąPzpƿȳ [1] Shotton, J., Fitzgibbon, A., Cook, M., Sharp, T., Finocchio, M., Moore, R., ... & Blake, A. Real-time human pose recognition in parts from single depth images. In IEEE CVPR 2011.
研究进展一3D人脸识别 利用智能手机屏幕从多个方向照亮用户的脸部，捕获不同光照下的 面部图像通过光度立体恢复面部表面，并将其整合为3D面部轮廓， 以实现3D人脸识别、避免2D模仿攻击 M=LTS. [1]Farrukh,H.,Aburas,R.M.,Cao,S.,Wang,H."FaceRevelio:a face liveness detection system for smartphones with a single front camera".ACM MobiCom,2020
¬n A£9 • ŰĶƹĈĻâélÈ@į¬ťiŰćŶƻǾOĕǁVªlťUŶ ȖǾ¸jǺǮlïƔzāÇȖǾǃȖOìÝrĪ©B ȖǾǩðO VÔŬ PƻǔȲǽnŌuĥ} [1] Farrukh, H., Aburas, R. M., Cao, S., Wang, H. “FaceRevelio: a face liveness detection system for smartphones with a single front camera”. ACM MobiCom, 2020.
研究进展一 眼球追踪 基于眼球追踪的移动设备身份验证系统，通过前置摄像头跟踪人眼 的运动，并应用信号处理和模式匹配技术来验证用户身份 Visual Stimuli Eye-tracking Authentication Design System Processing Dynamic Feature Corner-Gif Facial Info Eye Locations Statisticol Features Style Fruit-Row Processing Iris Contours Extraction Feature Selection Static Illusion-Image Gaze-angle Eyeball Model User SVM classifier Style Simple-Dot calculation Plane Projection Authentication Prediction [1]Song,C.,Wang,A.,Ren,K.,Xu,W."Eyeveri:A secure and usable approach for smartphone user authentication".IEEE, INFOCOM.2016
¬n~¨ • ÂdžŭǵǥŶƍǑÆǦtȞǒƣƮOǺǮƴĞjÍǢǥPž ŶǯOìîŰg§ÅŮ²ŌóǿČĺĽȞǒŰćǦt [1] Song, C., Wang, A., Ren, K., Xu, W. “Eyeveri: A secure and usable approach for smartphone user authentication”. IEEE, INFOCOM. 2016