TW201718997A - Biometric door lock system - Google Patents
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Abstract
本發明揭示一種生物辨識門鎖系統，包括無線控制門鎖及生物辨識主機，無線控制門鎖包含門鎖本體及無線接收單元，而生物辨識主機包含相機單元、影像處理控制單元、影像資料庫及無線發射單元，影像處理控制單元電氣連接並控制相機單元、影像資料庫及無線發射單元的操作，藉以判別是否為合格身份，進而利用無線方式打開無線控制門鎖。影像資料庫包含多個辨識影像以供比對，而相機單元具有變焦及追蹤功能，包含相機模組、彩色濾波片、紅外光濾波片及濾波片切換機構，且利用彩色或紅外光影像以進行人臉、眼睛虹膜辨識，實現生物辨識門鎖功能。The invention discloses a biometric door lock system, which comprises a wireless control door lock and a biometric host. The wireless control door lock comprises a door lock body and a wireless receiving unit, and the biometric host comprises a camera unit, an image processing control unit, an image database and The wireless transmitting unit, the image processing control unit electrically connects and controls the operations of the camera unit, the image database, and the wireless transmitting unit to determine whether it is a qualified identity, and then wirelessly opens the wireless control door lock. The image database includes a plurality of identification images for comparison, and the camera unit has a zooming and tracking function, including a camera module, a color filter, an infrared light filter, and a filter switching mechanism, and uses color or infrared light images for performing Face and eye iris recognition, to achieve biometric door lock function.
Description
本發明係有關於一種生物辨識門鎖系統，尤其是利用生物辨識主機以無線方式打開無線控制門鎖的目的，尤其是，生物辨識主機的影像處理控制單元可進行人臉辨識，以判別影像信號是否具有人臉影像，並進行眼睛虹膜辨識，以比對影像信號是否符合影像資料庫中任一辨識影像，進而判別是否為合格身份，可提高辨識正確性。 The invention relates to a biometric door lock system, in particular to the purpose of wirelessly opening a wireless control door lock by using a biometric host. In particular, the image processing control unit of the biometric host can perform face recognition to discriminate image signals. Whether there is a face image and iris recognition of the eye to compare whether the image signal conforms to any of the identification images in the image database, thereby determining whether it is a qualified identity, and improving the correctness of the identification.
隨著智慧家居於安全監控或門禁系統上面的應用越來越普及，相關界者不斷開發功能強大的辨識裝置，尤其是電子式門鎖。目前主要的電子式門鎖是利用紅外線感應、藍芽無線傳輸亦或各式的無線電(RF)訊號作為門禁驗證的媒介，比如近接或遠距感應鑰匙或感應卡，不過會有容易遺失或非法複製的風險。 With the increasing popularity of smart homes in security surveillance or access control systems, relevant developers continue to develop powerful identification devices, especially electronic door locks. At present, the main electronic door locks use infrared sensing, Bluetooth wireless transmission or various radio (RF) signals as the medium for access control verification, such as proximity or remote sensing keys or proximity cards, but they are easy to lose or illegal. The risk of copying.
此外，更有界者進一步利用生物識別方式，以提高整體的正確性及可靠度。在生物識別技術中，最常使用指紋辨識，但是指紋非常容易被複製，且目前已知平均有10%的人，其先天指紋是無法辨識的，造成實際應用上的困難，影響普及率。 In addition, more people are more likely to use biometrics to improve overall accuracy and reliability. In biometrics, fingerprint recognition is most commonly used, but fingerprints are very easy to be copied. Currently, an average of 10% of people are aware that their innate fingerprints are unrecognizable, causing practical difficulties and affecting the penetration rate.
因此，很需要一種創新的生物辨識門鎖系統，利用生物辨識主機以無線方式打開無線控制門鎖的目的，尤其是，生物辨識主機的影像處理控制單元可進行人臉辨識，以判別影像信號是否具有人臉影像，並進行眼睛虹膜辨識，以比對影像信號是否符合影像資料庫中任一辨識影像，進而判別是否為合格身份，可提高辨識正確性，藉以解決上述習用技術的問題。 Therefore, there is a need for an innovative biometric door lock system that utilizes a biometric host to wirelessly open a wireless control door lock. In particular, the image processing control unit of the biometric host can perform face recognition to determine whether the image signal is It has a face image and performs iris recognition of the eye to compare whether the image signal conforms to any of the identification images in the image database, thereby judging whether it is a qualified identity, and improving the correctness of the identification, thereby solving the problem of the above-mentioned conventional technology.
本發明之主要目的在提供一種生物辨識門鎖系統，主要是包 括無線控制門鎖以及生物辨識主機，其中無線控制門鎖可設置於門板或牆體上，而生物辨識主機可設置於入口處或檢查站，進而提供分離式或遠距控制的門禁管制功能。無線控制門鎖是包含門鎖本體以及無線接收單元，其中無線接收單元電氣連接至門鎖本體，可接收無線解鎖信號而將門鎖本體的鎖扣閉合狀態切換成解鎖打開狀態，亦即以無線方式打開無線控制門鎖。 The main object of the present invention is to provide a biometric door lock system, mainly a package The wireless control door lock and the biometric host are provided, wherein the wireless control door lock can be disposed on the door panel or the wall, and the biometric host can be disposed at the entrance or the inspection station to provide separate or remotely controlled access control functions. The wireless control door lock comprises a door lock body and a wireless receiving unit, wherein the wireless receiving unit is electrically connected to the door lock body, and can receive the wireless unlocking signal to switch the lock state of the door lock body to the unlocked open state, that is, wirelessly Open the wireless control door lock.
上述的生物辨識主機可包含相機單元、影像處理控制單元、影像資料庫以及無線發射單元，其中相機單元、影像處理控制單元、影像資料庫以及無線發射單元是容置於殼體內，用以提供隔絕保護功能。再者，影像資料庫包含預先儲存的多個辨識影像，可供比對用，而影像處理控制單元是電氣連接並控制相機單元、影像資料庫及無線發射單元的操作。 The biometric host may include a camera unit, an image processing control unit, an image database, and a wireless transmitting unit, wherein the camera unit, the image processing control unit, the image database, and the wireless transmitting unit are housed in the housing to provide isolation. Protective function. Furthermore, the image database includes a plurality of pre-stored identification images for comparison, and the image processing control unit electrically connects and controls the operations of the camera unit, the image database, and the wireless transmitting unit.
相機單元具有相機模組、彩色濾波片、紅外光濾波片及濾波片切換機構，其中濾波片切換機構可依據來自影像處理控制單元所產生的濾波片切換信號以切換彩色濾波片或紅外光濾波片而對準相機模組，使得外部的影像光線可投射到相機模組。 The camera unit has a camera module, a color filter, an infrared light filter and a filter switching mechanism, wherein the filter switching mechanism can switch the color filter or the infrared light filter according to the filter switching signal generated by the image processing control unit. The camera module is aligned so that external image light can be projected to the camera module.
相機模組包含多個彩色影像感測器、多個紅外光影像感測器、變焦鏡頭組以及變焦機構，且投射到相機模組的影像光線是由彩色影像感測器或紅外光影像感測器的感測而產生並傳送影像信號。影像處理控制單元可接收影像信號，並對的影像信號進行人臉辨識，及/或利用影像資料庫所儲存的辨識影像以進行眼睛虹膜辨識。影像處理控制單元在進行人臉辨識時，可辨識影像信號是否為人臉，比如是否具有人臉的特徵。此外，影像處理控制單元進行人臉辨識及/或眼睛虹膜辨識時，可控制變焦機構以調節變焦鏡頭組的焦距，進而使得影像信號對焦，並對影像信號進行縮放處理，進而實現光學變焦。 The camera module includes a plurality of color image sensors, a plurality of infrared image sensors, a zoom lens group, and a zoom mechanism, and the image light projected to the camera module is sensed by a color image sensor or an infrared image. The sensing of the device generates and transmits an image signal. The image processing control unit can receive the image signal, perform face recognition on the image signal, and/or use the identification image stored in the image database for iris recognition of the eye. When performing face recognition, the image processing control unit can recognize whether the image signal is a human face, such as whether or not there is a feature of a human face. In addition, when the image processing control unit performs face recognition and/or iris recognition, the zoom mechanism can be controlled to adjust the focal length of the zoom lens group, thereby causing the image signal to focus, and scaling the image signal to achieve optical zoom.
當影像處理控制單元進行人臉辨識時，可利用濾波片切換信號以選取彩色濾波片或紅外光濾波片，而在進行眼睛虹膜辨識時，可利用濾波片切換信號以選取紅外光濾波片，以供相機模組用。 When the image processing control unit performs face recognition, the filter switching signal may be used to select a color filter or an infrared light filter. When performing iris iris recognition, the filter switching signal may be used to select an infrared light filter. For camera modules.
影像資料庫中儲存的辨識影像可提供影像處理控制單元的眼睛虹膜辨識用，藉以比對影像信號，並在辨識影像信號符合該等辨識影 像的其中之一時，產生並傳送解鎖信號，進而由無線發射單元接收解鎖信號，並產生、發射無線解鎖信號而傳送至無線控制門鎖。無線控制門鎖的無線接收單元接收無線解鎖信號，以打開門鎖本體。 The identification image stored in the image database can be used for the iris recognition of the image processing control unit, thereby comparing the image signals, and the identification image signals conform to the identification images. In one of the images, an unlock signal is generated and transmitted, and the unlock signal is received by the wireless transmitting unit, and the wireless unlock signal is generated and transmitted to the wireless control door lock. The wireless receiving unit of the wireless control door lock receives the wireless unlocking signal to open the door lock body.
此外，本發明之另一目的在提供一種生物辨識門鎖系統，包括無線控制門鎖以及生物辨識主機，其中無線控制門鎖是包含門鎖本體以及無線接收單元，且無線接收單元電氣連接至門鎖本體，可接收無線解鎖信號而打開無線控制門鎖。 In addition, another object of the present invention is to provide a biometric door lock system including a wireless control door lock and a biometric host, wherein the wireless control door lock includes a door lock body and a wireless receiving unit, and the wireless receiving unit is electrically connected to the door. The lock body can receive the wireless unlock signal and open the wireless control door lock.
生物辨識主機可包含相機單元、影像處理控制單元、影像資料庫以及無線發射單元，其中影像處理控制單元是電氣連接並控制相機單元、影像資料庫及無線發射單元的操作。相機單元具有至少彩色相機模組及紅外光相機模組的二相機模組、彩色濾波片、紅外光濾波片，其中彩色濾波片及紅外光濾波片是分別對準個別的彩色相機模組及紅外光相機模組。因此，外部的影像光線可經由彩色濾波片及紅外光濾波片而分別投射到彩色相機模組及紅外光相機模組。 The biometric host can include a camera unit, an image processing control unit, an image database, and a wireless transmitting unit. The image processing control unit is an electrical connection and controls operation of the camera unit, the image database, and the wireless transmitting unit. The camera unit has at least a color camera module and a two-camera module of the infrared camera module, a color filter, and an infrared filter. The color filter and the infrared filter are respectively aligned with the individual color camera modules and the infrared. Light camera module. Therefore, the external image light can be respectively projected to the color camera module and the infrared camera module via the color filter and the infrared light filter.
彩色相機模組包含多個彩色影像感測器、變焦鏡頭組以及變焦機構，而類似的，紅外光相機模組包含多個紅外光影像感測器、變焦鏡頭組及變焦機構。因此，投射到彩色相機模組及紅外光相機模組的影像光線是由彩色影像感測器及紅外光影像感測器分別感測後產生個別的影像信號。影像處理控制單元可對影像信號進行人臉辨識及/或眼睛虹膜辨識，並具有對焦功能。再者，影像處理控制單元是利用彩色相機模組及/或紅外光相機模組的影像信號以進行人臉辨識，並利用紅外光相機模組的影像信號以進行眼睛虹膜辨識。 The color camera module includes a plurality of color image sensors, a zoom lens group, and a zoom mechanism. Similarly, the infrared camera module includes a plurality of infrared image sensors, a zoom lens group, and a zoom mechanism. Therefore, the image light projected to the color camera module and the infrared camera module is respectively sensed by the color image sensor and the infrared image sensor to generate individual image signals. The image processing control unit can perform face recognition and/or iris recognition on the image signal, and has a focusing function. Furthermore, the image processing control unit uses the image signals of the color camera module and/or the infrared camera module to perform face recognition, and uses the image signal of the infrared camera module to perform iris recognition of the eyes.
同樣的，影像處理控制單元可在辨識出影像信號時，產生並傳送解鎖信號，進而由無線發射單元接收解鎖信號，並產生、發射無線解鎖信號而傳送至無線控制門鎖，無線控制門鎖的無線接收單元接收無線解鎖信號以打開門鎖本體。 Similarly, the image processing control unit can generate and transmit an unlock signal when the image signal is recognized, and then the unlocking signal is received by the wireless transmitting unit, and the wireless unlocking signal is generated and transmitted to the wireless control door lock, and the wireless control door lock is wirelessly controlled. The wireless receiving unit receives the wireless unlocking signal to open the door lock body.
因此，本發明可具體實現利用生物辨識主機以無線方式打開無線控制門鎖的目的，尤其是，生物辨識主機的影像處理控制單元可進行人臉辨識，以判別影像信號是否具有人臉影像，並進行眼睛虹膜辨識，以 比對影像信號是否符合影像資料庫中任一辨識影像，進而判別是否為合格身份，提高辨識正確性，適合應用於門禁管制的場所。 Therefore, the present invention can specifically implement the purpose of wirelessly opening the wireless control door lock by using the biometric host. In particular, the image processing control unit of the biometric host can perform face recognition to determine whether the image signal has a face image, and Perform iris recognition of the eye to The comparison image signal conforms to any identification image in the image database, thereby determining whether it is a qualified identity, improving the correctness of the identification, and is suitable for the place where the access control is applied.
1‧‧‧生物辨識門鎖系統 1‧‧‧Biometric door lock system
10‧‧‧無線控制門鎖 10‧‧‧Wireless control door lock
12‧‧‧門鎖本體 12‧‧‧ door lock body
14‧‧‧無線接收單元 14‧‧‧Wire receiving unit
20‧‧‧生物辨識主機 20‧‧‧Biometric host
30‧‧‧相機單元 30‧‧‧ camera unit
31‧‧‧相機模組 31‧‧‧ camera module
31A‧‧‧彩色影像感測器 31A‧‧‧Color Image Sensor
31B‧‧‧紅外光影像感測器 31B‧‧‧Infrared light image sensor
31C‧‧‧變焦鏡頭組 31C‧‧‧Zoom lens group
31D‧‧‧變焦機構 31D‧‧‧Zoom mechanism
31X‧‧‧相機模組 31X‧‧‧ camera module
31Y‧‧‧相機模組 31Y‧‧‧ Camera Module
32‧‧‧彩色濾波片 32‧‧‧Color filter
33‧‧‧紅外光濾波片 33‧‧‧Infrared light filter
34‧‧‧濾波片切換機構 34‧‧‧Filter switching mechanism
40‧‧‧影像處理控制單元 40‧‧‧Image Processing Control Unit
50‧‧‧影像資料庫 50‧‧‧Image database
60‧‧‧無線發射單元 60‧‧‧Wireless transmitting unit
UL‧‧‧無線解鎖信號 UL‧‧‧Wireless unlock signal
第一圖顯示依據本發明第一實施例生物辨識門鎖系統的示意圖。 The first figure shows a schematic diagram of a biometric door lock system in accordance with a first embodiment of the present invention.
第二圖顯示依據本發明第一實施例生物辨識門鎖系統中相機單元的示意圖。 The second figure shows a schematic diagram of a camera unit in a biometric door lock system in accordance with a first embodiment of the present invention.
第三圖顯示依據本發明第二實施例生物辨識門鎖系統中相機單元的示意圖。 The third figure shows a schematic diagram of a camera unit in a biometric door lock system in accordance with a second embodiment of the present invention.
以下配合圖示及元件符號對本發明之實施方式做更詳細的說明，俾使熟習該項技藝者在研讀本說明書後能據以實施。 The embodiments of the present invention will be described in more detail below with reference to the drawings and the reference numerals, which can be implemented by those skilled in the art after having studied this specification.
請參閱第一圖，本發明實施例生物辨識門鎖系統的示意圖。如第一圖所示，本發明的生物辨識門鎖系統1主要包括無線控制門鎖10以及生物辨識主機20，並由生物辨識主機20利用無線解鎖信號UL，以無線方式打開無線控制門鎖10。 Please refer to the first figure, which is a schematic diagram of a biometric door lock system according to an embodiment of the present invention. As shown in the first figure, the biometric door lock system 1 of the present invention mainly includes a wireless control door lock 10 and a biometric host 20, and the biometric host 20 wirelessly unlocks the wireless control door lock 10 by using the wireless unlocking signal UL. .
具體而言，無線控制門鎖10是包含門鎖本體12以及無線接收單元14，其中無線接收單元14是電氣連接至門鎖本體12，用以接收無線解鎖信號UL而將門鎖本體12的鎖扣閉合狀態切換成解鎖打開狀態，因而打開無線控制門鎖10。無線控制門鎖10可設置於門板或牆體上，當作門禁管制用。 Specifically, the wireless control door lock 10 includes a door lock body 12 and a wireless receiving unit 14, wherein the wireless receiving unit 14 is electrically connected to the door lock body 12 for receiving the wireless unlocking signal UL and locking the door lock body 12 The closed state is switched to the unlocked open state, thus opening the wireless control door lock 10. The wireless control door lock 10 can be placed on a door panel or a wall for use as an access control.
再者，生物辨識主機20包含相機單元30、影像處理控制單元40、影像資料庫50以及無線發射單元60，且相機單元30、影像處理控制單元40、影像資料庫50以及無線發射單元60是容置於殼體(圖中未顯示)內，用以提供隔絕保護功能，其中影像資料庫50包含預先儲存的多個辨識影像，供比對用，而影像處理控制單元40是電氣連接至相機單元30、影像資料庫50及無線發射單元60。 Furthermore, the biometric host 20 includes a camera unit 30, an image processing control unit 40, an image database 50, and a wireless transmitting unit 60, and the camera unit 30, the image processing control unit 40, the image database 50, and the wireless transmitting unit 60 are It is placed in a housing (not shown) for providing an isolation protection function, wherein the image database 50 includes a plurality of pre-stored identification images for comparison, and the image processing control unit 40 is electrically connected to the camera unit. 30. Image database 50 and wireless transmitting unit 60.
進一步而言，參考第二圖，本發明實施例生物辨識門鎖系統中相機單元的示意圖，其中相機單元30具有相機模組31、彩色濾波片32、紅外光濾波片33及濾波片切換機構34。濾波片切換機構34可依據來自影像處理控制單元40所產生的濾波片切換信號，以切換彩色濾波片32或紅外光濾波片33而對準相機模組31，使得外部的影像光線可投射到相機模組31。相機模組31包含多個彩色影像感測器31A、多個紅外光影像感測器31B、變焦鏡頭組31C以及變焦機構31D，且投射到相機模組31的影像光線是由彩色影像感測器31A或紅外光影像感測器31B的感測而產生並傳送影像信號。 Further, referring to the second figure, a schematic diagram of a camera unit in a biometric door lock system according to an embodiment of the present invention, wherein the camera unit 30 has a camera module 31, a color filter 32, an infrared light filter 33, and a filter switching mechanism 34. . The filter switching mechanism 34 can switch the color filter 32 or the infrared light filter 33 to the camera module 31 according to the filter switching signal generated by the image processing control unit 40, so that the external image light can be projected to the camera. Module 31. The camera module 31 includes a plurality of color image sensors 31A, a plurality of infrared image sensors 31B, a zoom lens group 31C, and a zoom mechanism 31D, and the image light projected to the camera module 31 is a color image sensor. The image signal is generated and transmitted by the sensing of the 31A or the infrared image sensor 31B.
影像處理控制單元40可接收來自相機單元30的影像信號，並對所接收的影像信號進行人臉辨識(Face recognition)，及/或利用影像資料庫50所儲存的辨識影像，以進行眼睛虹膜辨識(Iris recognition)。 The image processing control unit 40 can receive the image signal from the camera unit 30, perform face recognition on the received image signal, and/or use the identification image stored in the image database 50 for iris recognition of the eye. (Iris recognition).
更加具體而言，影像處理控制單元40在進行人臉辨識時，可辨識影像信號是否為人臉，比如是否具有人臉的特徵，而人臉辨識的技術為相當成熟的習用技術，因而在此不作詳細說明。較佳的，影像處理控制單元40可中央處理器、微處理器或可程式邏輯閘陣列元件(Programmable Logic Device，FPGA)而實現。 More specifically, when the face recognition is performed, the image processing control unit 40 can recognize whether the image signal is a human face, such as whether or not there is a feature of a face, and the face recognition technology is a mature technology. No detailed explanation is given. Preferably, the image processing control unit 40 can be implemented by a central processing unit, a microprocessor or a programmable logic device (FPGA).
此外，影像處理控制單元40進行人臉辨識及/或眼睛虹膜辨識時，可控制變焦機構31D以調節變焦鏡頭組31C的焦距，進而使得影像信號對焦，並對影像信號進行縮放(Zoom in/out)處理，進而實現光學變焦。 In addition, when the image processing control unit 40 performs face recognition and/or iris recognition, the zoom mechanism 31D can be controlled to adjust the focal length of the zoom lens group 31C, thereby focusing the image signal and scaling the image signal (Zoom in/out) ) processing to achieve optical zoom.
當影像處理控制單元40進行人臉辨識時，可利用濾波片切換信號以選取彩色濾波片32或紅外光濾波片33，而在進行眼睛虹膜辨識時，可利用濾波片切換信號以選取紅外光濾波片33，以供相機模組31用。 When the image processing control unit 40 performs face recognition, the filter switching signal may be used to select the color filter 32 or the infrared light filter 33, and when performing iris iris recognition, the filter switching signal may be used to select infrared light filtering. Sheet 33 for use with camera module 31.
影像資料庫50中儲存的辨識影像可提供影像處理控制單元40的眼睛虹膜辨識用，藉以比對影像信號，並在辨識影像信號符合該等辨識影像的其中之一時，產生並傳送解鎖信號，進而由無線發射單元60接收解鎖信號，並產生、發射無線解鎖信號UL而傳送至無線控制門鎖10。無線控制門鎖10的無線接收單元14接收無線解鎖信號UL，以打開門鎖本體12，達到以無線方式開啟無線控制門鎖10的目的。 The identification image stored in the image database 50 can be used for the iris recognition of the image processing control unit 40, thereby comparing and comparing the image signals, and generating and transmitting an unlock signal when the identification image signal conforms to one of the identification images. The unlock signal is received by the wireless transmitting unit 60, and the wireless unlock signal UL is generated, transmitted, and transmitted to the wireless control door lock 10. The wireless receiving unit 14 of the wireless control door lock 10 receives the wireless unlocking signal UL to open the door lock body 12 for the purpose of wirelessly turning on the wireless control door lock 10.
此外，參考第三圖，本發明第二實施例生物辨識門鎖系統中相機單元的示意圖，亦即，本發明第二實施例生物辨識門鎖系統是類似於第一圖的第一實施例，其主要的差異點在於第二實施例中的相機單元30具有至少二相機模組，比如彩色相機模組31X及紅外光相機模組31Y，而非第一實施例的相機單元30只具有單一相機模組31，而且第二實施例的相機單元30不包含第一實施例的濾波片切換機構34。 In addition, referring to the third figure, a schematic diagram of a camera unit in a biometric door lock system according to a second embodiment of the present invention, that is, a biometric door lock system according to a second embodiment of the present invention is similar to the first embodiment of the first figure. The main difference is that the camera unit 30 in the second embodiment has at least two camera modules, such as a color camera module 31X and an infrared camera module 31Y, and the camera unit 30 of the first embodiment has only a single camera. The module 31, and the camera unit 30 of the second embodiment does not include the filter switching mechanism 34 of the first embodiment.
此外，第二實施例的相機單元30也包含彩色濾波片32及紅外光濾波片33，不過彩色濾波片32及紅外光濾波片33是分別對準個別的彩色相機模組31X及紅外光相機模組31Y。因此，外部的影像光線可經由彩色濾波片32及紅外光濾波片33而分別投射到彩色相機模組31X及紅外光相機模組31Y。 In addition, the camera unit 30 of the second embodiment also includes a color filter 32 and an infrared filter 33, but the color filter 32 and the infrared filter 33 are respectively aligned with the individual color camera module 31X and the infrared camera module. Group 31Y. Therefore, the external image light can be respectively projected to the color camera module 31X and the infrared camera module 31Y via the color filter 32 and the infrared filter 33.
彩色相機模組31X包含多個彩色影像感測器31A、變焦鏡頭組31C以及變焦機構31D，而類似的，紅外光相機模組31Y包含多個紅外光影像感測器31B、變焦鏡頭組31C以及變焦機構31D。因此，投射到彩色相機模組31X及紅外光相機模組31Y的影像光線是由彩色影像感測器31A及紅外光影像感測器31B分別感測後產生個別的影像信號。 The color camera module 31X includes a plurality of color image sensors 31A, a zoom lens group 31C, and a zoom mechanism 31D. Similarly, the infrared camera module 31Y includes a plurality of infrared image sensors 31B, a zoom lens group 31C, and Zoom mechanism 31D. Therefore, the image light projected to the color camera module 31X and the infrared camera module 31Y is sensed by the color image sensor 31A and the infrared image sensor 31B to generate individual image signals.
同樣的，影像處理控制單元40對影像信號進行人臉辨識及/或眼睛虹膜辨識，並具有對焦功能。要注意的是，影像處理控制單元40是利用彩色相機模組31X及/或紅外光相機模組31Y的影像信號以進行人臉辨識，並利用紅外光相機模組31Y的影像信號以進行眼睛虹膜辨識。 Similarly, the image processing control unit 40 performs face recognition and/or iris recognition on the image signal, and has a focusing function. It should be noted that the image processing control unit 40 uses the image signals of the color camera module 31X and/or the infrared camera module 31Y for face recognition, and uses the image signal of the infrared camera module 31Y to perform the iris of the eye. Identification.
由於第二實施例的其餘技術內容是相同於第一實施例，所以省略而不再次重複說明。 Since the rest of the technical contents of the second embodiment are the same as those of the first embodiment, the description will be omitted without repeating the description.
更加具體而言，第一實施例及第二實施例的影像處理控制單元40可在進行人臉辨識及/或眼睛虹膜辨識時，對所接收的影像信號進行數位變焦。尤其是，影像處理控制單元40可依據影像信號的移動速度以控制光學變焦及數位變焦，可達到影像品質的最佳化，能大幅提高人臉辨識、眼睛虹膜辨識的正確性。 More specifically, the image processing control unit 40 of the first embodiment and the second embodiment can perform digital zooming on the received image signal when performing face recognition and/or eye iris recognition. In particular, the image processing control unit 40 can control the optical zoom and the digital zoom according to the moving speed of the image signal, thereby achieving image quality optimization, and can greatly improve the correctness of face recognition and iris recognition.
再者，第一實施例的影像處理控制單元40在進行人臉辨識時，可選取彩色濾波片32，亦即利用可見光影像以判別影像信號是否為人 臉。另一方式是，如果影像信號的亮度低於某一預設值，表示環境光的強度不足，比如日光或燈光較微弱，則可選取紅外光濾波片33，而不用彩色濾波片32。 Furthermore, the image processing control unit 40 of the first embodiment may select the color filter 32 when performing face recognition, that is, use the visible light image to determine whether the image signal is a human. face. Alternatively, if the brightness of the image signal is lower than a predetermined value, indicating that the intensity of the ambient light is insufficient, such as daylight or light, the infrared light filter 33 may be selected instead of the color filter 32.
同理，第二實施例的影像處理控制單元40在進行人臉辨識時，可選用來自彩色相機模組31X的影像信號，但是當彩色相機模組31X的影像信號的亮度低於預設值，則可選用來自紅外光相機模組31Y的影像信號，以提高辨識可靠度。 Similarly, the image processing control unit 40 of the second embodiment may select an image signal from the color camera module 31X when performing face recognition, but when the brightness of the image signal of the color camera module 31X is lower than a preset value, The image signal from the infrared camera module 31Y can be selected to improve the identification reliability.
綜上所述，本發明的主要特點在於利用生物辨識主機以無線方式打開無線控制門鎖的目的，可具體實現生物辨識門鎖的功能，尤其是，生物辨識主機的影像處理控制單元可進行人臉辨識，藉以判別影像信號是否具有人臉影像，並進行眼睛虹膜辨識，以比對影像信號是否符合影像資料庫中任一辨識影像，進而判別是否為合格身份。因此，本發明能改善辨識的正確性，非常適合應用於需要門禁管制的場所。 In summary, the main feature of the present invention is that the biometric host is used to wirelessly open the wireless control door lock, and the function of the biometric door lock can be specifically implemented. In particular, the image processing control unit of the biometric host can perform human Face recognition, to determine whether the image signal has a face image, and to perform iris recognition of the eye to compare whether the image signal meets any of the identification images in the image database, thereby determining whether it is a qualified identity. Therefore, the present invention can improve the correctness of identification, and is very suitable for applications where access control is required.
由於本發明的技術內並未見於已公開的刊物、期刊、雜誌、媒體、展覽場，因而具有新穎性，且能突破目前的技術瓶頸而具體實施，確實具有進步性。此外，本發明能解決習用技術的問題，改善整體使用效率，而能達到具產業利用性的價值。 Since the technology of the present invention is not found in published publications, periodicals, magazines, media, exhibition venues, and thus is novel, and can be implemented by breaking through the current technical bottlenecks, it is indeed progressive. In addition, the present invention can solve the problems of the conventional technology, improve the overall use efficiency, and can achieve the value of industrial utilization.
以上所述者僅為用以解釋本發明之較佳實施例，並非企圖據以對本發明做任何形式上之限制，是以，凡有在相同之發明精神下所作有關本發明之任何修飾或變更，皆仍應包括在本發明意圖保護之範疇。 The above is only a preferred embodiment for explaining the present invention, and is not intended to limit the present invention in any way, and any modifications or alterations to the present invention made in the spirit of the same invention. All should still be included in the scope of the intention of the present invention.
1‧‧‧生物辨識門鎖系統 1‧‧‧Biometric door lock system
10‧‧‧無線控制門鎖 10‧‧‧Wireless control door lock
12‧‧‧門鎖本體 12‧‧‧ door lock body
14‧‧‧無線接收單元 14‧‧‧Wire receiving unit
20‧‧‧生物辨識主機 20‧‧‧Biometric host
30‧‧‧相機單元 30‧‧‧ camera unit
40‧‧‧影像處理控制單元 40‧‧‧Image Processing Control Unit
50‧‧‧影像資料庫 50‧‧‧Image database
60‧‧‧無線發射單元 60‧‧‧Wireless transmitting unit
UL‧‧‧無線解鎖信號 UL‧‧‧Wireless unlock signal
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| TW201327413A (en) * | 2011-12-21 | 2013-07-01 | Xid Technologies Pte Ltd | Systems and methods for face authentication or recognition using spectrally and/or temporally filtered flash illumination |
| TWM464755U (en) * | 2013-06-26 | 2013-11-01 | Face Tek Technology Co Ltd | Infrared face recognition system |
| TW201514599A (en) * | 2013-10-07 | 2015-04-16 | Novatek Microelectronics Corp | Image sensor and image capturing system |
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