Fingerprint sensing module and fingerprint sensing method

The invention provides a fingerprint sensing module and a fingerprint sensing method. The fingerprint sensing module comprises a light source, a fingerprint sensor and a processing module. The fingerprint sensor senses a finger illuminated by the light source and a finger not illuminated by the ligh...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: LIN GUANYI, YANG CHEN, WANG GUANYUAN, WANG XIAOYU
Format: Patent
Sprache:chi ; eng
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Beschreibung
Zusammenfassung:The invention provides a fingerprint sensing module and a fingerprint sensing method. The fingerprint sensing module comprises a light source, a fingerprint sensor and a processing module. The fingerprint sensor senses a finger illuminated by the light source and a finger not illuminated by the light source to obtain a first image and a second image. The processing module is coupled to the fingerprint sensor. The processing module determines a fingerprint image area according to the first image and the second image to generate a fingerprint image. 本发明提供一种指纹感测模块以及指纹感测方法。指纹感测模块包括光源、指纹感测器以及处理模块。指纹感测器感测经光源照明的手指以及未经光源照明的手指,以取得第一图像以及第二图像。处理模块耦接指纹感测器。处理模块依据第一图像以及第二图像判断指纹图像区域,以产生指纹图像。