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公开(公告)号：US20210224574A1
公开(公告)日：2021-07-22
申请号：US17086473
申请日：2020-11-02
Applicant: Egis Technology Inc.
Inventor： Chen Yang , Kuan-Yi Lin , Chia-Wei Lin , Yu-Hua Lin
Abstract: An electronic apparatus and an operating method thereof are provided. The electronic apparatus includes an optical fingerprint sensor and a processor. The optical fingerprint sensor is configured to obtain a fingerprint image. The processor is coupled to the optical fingerprint sensor and analyzes the fingerprint image to calculate at least one of a color pixel ratio and a light reflectance corresponding to the fingerprint image. The processor searches a background database according to at least one of the color pixel ratio and the light reflectance to obtain a background image. The processor corrects the fingerprint image according to the background image to obtain a corrected fingerprint image.
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Patent Agency Ranking
公开(公告)号：US11410412B2
公开(公告)日：2022-08-09
申请号：US17100956
申请日：2020-11-23
Applicant: Egis Technology Inc.
Inventor： Chen Yang , Kuan-Yi Lin , Chia-Wei Lin , Yu-Hua Lin
Abstract: An anti-counterfeiting method and a system for under-screen fingerprint identification are provided. A fingerprint sensing apparatus includes a display device and a fingerprint sensor, and the method includes the following steps. A fingerprint sensing image is captured for an object on the display device through the fingerprint sensor. The fingerprint sensing image is calibrated by using a color calibration parameter to generate a calibrated image. Whether the object is a real finger is determined by using an anti-counterfeiting algorithm and the calibrated image.
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公开(公告)号：US20230039314A1
公开(公告)日：2023-02-09
申请号：US17790135
申请日：2020-06-15
Applicant: Egis Technology Inc.
Inventor： Chen Yang , Kuan-Yi Lin , Chia-Wei Lin , Yu-Hua Lin
Abstract: The invention provides a fingerprint identification device and a fingerprint identification method. The fingerprint identification device includes: a display; a light source disposed below the display; a sensor disposed below the display; and a processing module coupled to the sensor. When an object contacts the display, the light source emits structured light to scan the object. The sensor obtains one or more images of the object, and the one or more images include information of different phase displacements. The processing module is used for calculating three-dimensional information of the object according to the one or more images and judging whether the object is a real finger or not according to the three-dimensional information.
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公开(公告)号：US11354530B2
公开(公告)日：2022-06-07
申请号：US17086473
申请日：2020-11-02
Applicant: Egis Technology Inc.
Inventor： Chen Yang , Kuan-Yi Lin , Chia-Wei Lin , Yu-Hua Lin
Abstract: An electronic apparatus and an operating method thereof are provided. The electronic apparatus includes an optical fingerprint sensor and a processor. The optical fingerprint sensor is configured to obtain a fingerprint image. The processor is coupled to the optical fingerprint sensor and analyzes the fingerprint image to calculate at least one of a color pixel ratio and a light reflectance corresponding to the fingerprint image. The processor searches a background database according to at least one of the color pixel ratio and the light reflectance to obtain a background image. The processor corrects the fingerprint image according to the background image to obtain a corrected fingerprint image.
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公开(公告)号：US20230043020A1
公开(公告)日：2023-02-09
申请号：US17790133
申请日：2020-06-10
Applicant: Egis Technology Inc.
Inventor： Chen Yang , Kuan-Yi Lin , Chia-Wei Lin , Yu-Hua Lin , Chun-Ching Tseng
Abstract: The invention provides an image scanning device and an image scanning method. The image scanning device includes: a display that emits red light, green light, and blue light to expose an object when the object contacts the display; the sensor is arranged below the display, and the sensor obtains a first image corresponding to the red light, a second image corresponding to the green light and a third image corresponding to the blue light; and the processing module is coupled to the sensor and the display, and the processing module generates an object image corresponding to the object according to the first image, the second image and the third image.
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公开(公告)号：US20210224514A1
公开(公告)日：2021-07-22
申请号：US17100956
申请日：2020-11-23
Applicant: Egis Technology Inc.
Inventor： Chen Yang , Kuan-Yi Lin , Chia-Wei Lin , Yu-Hua Lin
Abstract: An anti-counterfeiting method and a system for under-screen fingerprint identification are provided. A fingerprint sensing apparatus includes a display device and a fingerprint sensor, and the method includes the following steps. A fingerprint sensing image is captured for an object on the display device through the fingerprint sensor. The fingerprint sensing image is calibrated by using a color calibration parameter to generate a calibrated image. Whether the object is a real finger is determined by using an anti-counterfeiting algorithm and the calibrated image.
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