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公开(公告)号：US09530231B2
公开(公告)日：2016-12-27
申请号：US14639124
申请日：2015-03-05
Applicant: NOVATEK Microelectronics Corp.
Inventor： Jau-Hong Kao , Shiang-Fei Wang , Yi-Jen Wu , Chih-Huang Lin , Min-Hui Chu , Hong-Chu Chen , Chi-Fan Liou
CPC classification number: G06T11/40 , G06T11/00 , G06T15/405 , G06T2200/12 , G08B13/19606
Abstract: A method for generating masking image using general polygonal mask includes receiving a pixel of a raw image and a polygon vertices array corresponding to a polygonal mask, determining whether the pixel is inside the polygonal mask, labeling the pixel to be a masked pixel if the pixel is inside the polygonal mask, or labeling the pixel to be a visible pixel if the pixel is outside the polygonal mask, and outputting the masked pixel or the visible pixel to generate the masking image.
Abstract translation: 使用一般多边形掩模生成掩蔽图像的方法包括：接收与多边形掩模相对应的原始图像和多边形顶点阵列的像素，确定像素是否在多边形掩模内，如果像素为像素，则将像素标记为被掩模像素 在多边形掩模内部，或者如果像素在多边形掩模之外，则将像素标记为可见像素，并输出屏蔽像素或可见像素以产生掩蔽图像。
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公开(公告)号：US09773147B1
公开(公告)日：2017-09-26
申请号：US15080599
申请日：2016-03-25
Applicant: Novatek Microelectronics Corp.
Inventor： Jau-Hong Kao , Yu-Chieh Su , Yi-Jen Wu
CPC classification number: G06K9/00093 , G06K9/00926
Abstract: A fingerprint enrollment method and a fingerprint enrollment apparatus are provided. A minutiae feature and a pore feature of a first fingerprint image are extracted to obtain a first template. A minutiae feature and a pore feature of a second fingerprint image are extracted to obtain a second template. A minutiae matching score between the minutiae features of the first template and the minutiae features of the second template is calculated. When the minutiae matching score is between the first threshold and a second threshold, stitching, mosaicking or synthesis of the first template and the second template are performed by utilizing a matching relation between the pore features of the first template and the pore features of the second template and utilizing the matching relation between the minutiae feature of the first template and the minutiae feature of the second template.
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公开(公告)号：US20170277935A1
公开(公告)日：2017-09-28
申请号：US15080599
申请日：2016-03-25
Applicant: Novatek Microelectronics Corp.
Inventor： Jau-Hong Kao , Yu-Chieh Su , Yi-Jen Wu
CPC classification number: G06K9/00093 , G06K9/00926
Abstract: A fingerprint enrollment method and a fingerprint enrollment apparatus are provided. A minutiae feature and a pore feature of a first fingerprint image are extracted to obtain a first template. A minutiae feature and a pore feature of a second fingerprint image are extracted to obtain a second template. A minutiae matching score between the minutiae features of the first template and the minutiae features of the second template is calculated. When the minutiae matching score is between the first threshold and a second threshold, stitching, mosaicking or synthesis of the first template and the second template are performed by utilizing a matching relation between the pore features of the first template and the pore features of the second template and utilizing the matching relation between the minutiae feature of the first template and the minutiae feature of the second template.
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公开(公告)号：US20160260235A1
公开(公告)日：2016-09-08
申请号：US14639124
申请日：2015-03-05
Applicant: NOVATEK Microelectronics Corp.
Inventor： Jau-Hong Kao , Shiang-Fei Wang , Yi-Jen Wu , Chih-Huang Lin , Min-Hui Chu , Hong-Chu Chen , Chi-Fan Liou
CPC classification number: G06T11/40 , G06T11/00 , G06T15/405 , G06T2200/12 , G08B13/19606
Abstract: A method for generating masking image using general polygonal mask includes receiving a pixel of a raw image and a polygon vertices array corresponding to a polygonal mask, determining whether the pixel is inside the polygonal mask, labeling the pixel to be a masked pixel if the pixel is inside the polygonal mask, or labeling the pixel to be a visible pixel if the pixel is outside the polygonal mask, and outputting the masked pixel or the visible pixel to generate the masking image.
Abstract translation: 使用一般多边形掩模生成掩蔽图像的方法包括：接收与多边形掩模相对应的原始图像和多边形顶点阵列的像素，确定像素是否在多边形掩模内，如果像素为像素，则将像素标记为被掩模像素 在多边形掩模内部，或者如果像素在多边形掩模之外，则将像素标记为可见像素，并输出屏蔽像素或可见像素以产生掩蔽图像。
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