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TWI473025B - Camera device and identity recognation method for the same - Google Patents

Camera device and identity recognation method for the same Download PDF

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TWI473025B
TWI473025B TW98130610A TW98130610A TWI473025B TW I473025 B TWI473025 B TW I473025B TW 98130610 A TW98130610 A TW 98130610A TW 98130610 A TW98130610 A TW 98130610A TW I473025 B TWI473025 B TW I473025B
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face
tested
dimensional information
specific person
image
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TW98130610A
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TW201110038A (en
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Hou Hsien Lee
Chang Jung Lee
Chih Ping Lo
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Hon Hai Prec Ind Co Ltd
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Description

攝像裝置及其身份識別方法Camera device and identification method thereof

本發明係關於一種攝像裝置及其身份識別方法。The present invention relates to an image pickup apparatus and an identification method thereof.

雷射掃描定位(LIDAR,Light Detection And Ranging)系統使用雷射光對待測物體進行高密度的掃描量測,根據光線的反射特性,當雷射光碰到待測物體後會被反射回雷射掃描定位系統,故可由反射脈衝所獲取的資料來反映待測物體的三維立體資訊。The LIDAR (Light Detection And Ranging) system uses laser light to perform high-density scanning measurement on the object to be measured. According to the reflection characteristics of the light, when the laser light hits the object to be measured, it is reflected back to the laser scanning position. The system can reflect the three-dimensional information of the object to be measured by the data acquired by the reflected pulse.

在公寓管理或安全監控領域中,習知的攝像機未結合雷射掃描定位系統,其在對一待測人員進行身份偵測識別時,僅能針對所拍攝的待測人員臉部的二維平面照片進行偵測識別,故,當拍攝場景的光線發生變化,會對識別結果造成較大的影響,且在大部分情況下,攝像機無法判斷其當前所獲得的待測人員的臉部特徵是來源於真人或是照片,故存在安全隱患。In the field of apartment management or security monitoring, the conventional camera does not incorporate a laser scanning positioning system, and when performing identity detection and recognition on a person to be tested, it can only target the two-dimensional plane of the face of the person to be tested. The photo is detected and recognized. Therefore, when the light of the shooting scene changes, the recognition result will be greatly affected, and in most cases, the camera cannot judge that the face feature of the person to be tested currently obtained is the source. There are security risks in real people or photos.

鑒於前述內容,有必要提供一種結合雷射掃描定位系統對待測人員進行身份識別的攝像裝置及其身份識別方法。In view of the foregoing, it is necessary to provide an image pickup apparatus and an identification method thereof for identifying a person to be tested in combination with a laser scanning and positioning system.

一種攝像裝置,包括:A camera device comprising:

一攝像單元,用於對一待測區域進行攝像;a camera unit for imaging a region to be tested;

一人臉偵測單元,用於對該攝像單元所獲取的圖像進行偵測,以得到一待測人臉,並記錄該待測人臉在圖像中所對應的座標值範圍;a face detection unit is configured to detect an image acquired by the camera unit to obtain a face to be tested, and record a range of coordinate values corresponding to the face to be tested in the image;

一雷射掃描定位系統,用於根據該人臉偵測單元記錄的待測人臉在圖像中所對應的座標值範圍對待測區域中出現的待測人臉進行掃描,以獲取待測區域中的待測人臉的三維立體資訊;A laser scanning and positioning system is configured to scan a face to be tested appearing in the area to be tested according to a range of coordinate values corresponding to the face of the face to be detected by the face detecting unit to obtain the area to be tested Three-dimensional information of the face to be tested;

一記憶單元,其內部存儲有一特定人員在待測區域中的人臉的三維立體資訊;以及a memory unit internally storing three-dimensional information of a face of a specific person in the area to be tested;

一微處理器,用於將待測人臉的三維立體資訊與該特定人員的人臉的三維立體資訊作比對,以根據比對結果輸出一識別訊號。A microprocessor is configured to compare the three-dimensional information of the face to be tested with the three-dimensional information of the face of the specific person to output an identification signal according to the comparison result.

一種應用於一攝像裝置的身份識別方法,該攝像裝置包括一攝像單元,該身份識別方法包括以下步驟:An identification method applied to an image pickup apparatus, the image pickup apparatus comprising an image pickup unit, the identification method comprising the following steps:

透過該攝像單元對一待測區域進行攝像;Imaging a region to be tested through the camera unit;

透過一人臉偵測單元對該攝像單元所獲取的圖像進行人臉偵測,並判斷圖像中是否存在待測人臉;Performing a face detection on the image acquired by the camera unit through a face detection unit, and determining whether there is a face to be tested in the image;

當該人臉偵測單元偵測到圖像中出現待測人臉時,該人臉偵測單元記錄該待測人臉在圖像中的座標值範圍,並將該座標值範圍傳送給雷射掃描定位系統;When the face detecting unit detects that a face to be tested appears in the image, the face detecting unit records a coordinate value range of the face to be tested in the image, and transmits the coordinate value range to the lightning Shooting scanning positioning system;

該雷射掃描定位系統根據該待測人臉在圖像中的座標值範圍對待測區域的待測人臉進行掃描,以獲取待測人臉的三維立體資訊,並將待測人臉的三維立體資訊傳送給一微處理器;The laser scanning positioning system scans the face to be tested in the area to be tested according to the coordinate value range of the face to be tested, to obtain the three-dimensional information of the face to be tested, and the three-dimensional face of the face to be tested Stereoscopic information is transmitted to a microprocessor;

該微處理器將待測人臉的三維立體資訊與存儲於一記憶單元中的一特定人員的人臉的三維立體資訊進行比對,並根據比對結果對應輸出一識別訊號。The microprocessor compares the three-dimensional information of the face to be tested with the three-dimensional information of the face of a specific person stored in a memory unit, and outputs an identification signal according to the comparison result.

本發明攝像裝置透過人臉偵測單元對攝像單元獲取的圖像進行人臉偵測,並將偵測到的一待測人員的待測人臉在圖像中所對應的座標值範圍傳送給雷射掃描定位系統,該雷射掃描定位系統根據該座標值範圍發射對應的雷射光對待測人臉進行掃描,且無需對整個待測區域進行掃描,從而獲取待測人臉的三維立體資訊,並將該待測人臉的三維立體資訊與存儲於記憶單元中的特定人員的人臉三維立體資訊作比對,以確定該待測人員是否為該特定人員。The camera device of the present invention performs face detection on the image acquired by the camera unit through the face detection unit, and transmits the detected range of coordinate values of the person to be tested of the person to be tested in the image to a laser scanning positioning system, which scans a corresponding laser light to scan a face according to the coordinate value range, and does not need to scan the entire area to be tested, thereby obtaining three-dimensional information of the face to be tested, And comparing the three-dimensional information of the face to be tested with the three-dimensional information of the face of the specific person stored in the memory unit to determine whether the person to be tested is the specific person.

請參閱圖1,本發明攝像裝置100的較佳實施方式包括包括一攝像單元10、一人臉偵測單元20、一雷射掃描定位系統30、一微處理器40及一記憶單元50。Referring to FIG. 1 , a preferred embodiment of the camera device 100 of the present invention includes a camera unit 10 , a face detecting unit 20 , a laser scanning positioning system 30 , a microprocessor 40 , and a memory unit 50 .

該攝像單元10可包括一鏡頭(圖未示)及一電荷耦合器件(Charge Coupled Device,CCD)(圖未示)。The camera unit 10 can include a lens (not shown) and a charge coupled device (CCD) (not shown).

該人臉偵測單元20可為習知的人臉識別系統,其透過計算圖像的特徵值來獲取圖像中的人臉部分,該特徵值可為像素值。The face detection unit 20 can be a conventional face recognition system that acquires a face portion in an image by calculating a feature value of the image, and the feature value can be a pixel value.

該雷射掃描定位系統30發射雷射光時,雷射光碰上物體後反射回雷射掃描定位系統30。故,透過計算雷射光的發送脈衝和反射脈衝的時間差以及雷射光速來計算攝像裝置100與物體之間的距離,可獲取該物體的三維立體資訊。其中,物體的三維立體資訊是指物體的每一點與攝像裝置100之間的三維座標值。When the laser scanning positioning system 30 emits laser light, the laser light hits the object and is reflected back to the laser scanning positioning system 30. Therefore, by calculating the time difference between the transmitted pulse and the reflected pulse of the laser light and the laser light speed to calculate the distance between the imaging device 100 and the object, the three-dimensional information of the object can be acquired. The three-dimensional information of the object refers to a three-dimensional coordinate value between each point of the object and the imaging device 100.

本發明攝像裝置100的較佳實施方式工作過程具體描述如下:該攝像單元10先對一待測區域中的一特定人員進行攝像,該人臉偵測單元20對所獲取的特定人員的圖像進行偵測,以獲取圖像中特定人員的人臉部分,並記錄該人臉部分在圖像中所對應的座標值範圍,以及將該人臉部分所對應的座標值範圍傳送給該雷射掃描定位系統30。其中,該人臉在圖像中的座標值範圍即為人臉的每一點在圖像中的座標值的集合,其一般可透過一方形區域來標示,而確定該方形區域的左上角的座標和右下角的座標便可確定該方形區域,故,在其他實施例中,人臉在圖像中對應的座標值範圍亦可透過該方形區域的左上角的座標和右下角的座標來確定。The working process of the preferred embodiment of the camera device 100 of the present invention is specifically described as follows: the camera unit 10 first captures a specific person in a region to be tested, and the face detecting unit 20 images the acquired specific person. Performing detection to obtain a face portion of a specific person in the image, and recording a range of coordinate values corresponding to the face portion in the image, and transmitting a coordinate value range corresponding to the face portion to The laser scanning positioning system 30. Wherein, the coordinate value range of the face in the image is a set of coordinate values of each point of the face in the image, which is generally indicated by a square area, and the coordinates of the upper left corner of the square area are determined. The square area can be determined by the coordinates of the lower right corner. Therefore, in other embodiments, the corresponding coordinate value range of the face in the image can also be determined by the coordinates of the upper left corner of the square area and the coordinates of the lower right corner.

該雷射掃描定位系統30根據該座標值範圍發送雷射光對待測區域中該特定人員的人臉進行掃描,以獲取該特定人員的人臉的三維立體資訊,並將該特定人員的人臉的三維立體資訊傳送給微處理器40。該微處理器40將該特定人員的人臉的三維立體資訊作為一樣本資訊存儲於該記憶單元50中。The laser scanning and positioning system 30 scans the face of the specific person in the area to be tested by the laser light to obtain the three-dimensional information of the face of the specific person, and the face of the specific person The three-dimensional information is transmitted to the microprocessor 40. The microprocessor 40 stores the three-dimensional information of the face of the specific person as the same information in the memory unit 50.

之後,當需要驗證時,該攝像單元10繼續對待測區域進行攝像。該人臉偵測單元20繼續對攝像單元10所獲取的待測區域的圖像進行人臉偵測。當該人臉偵測單元20偵測到圖像中存在一待測人員的待測人臉時,該人臉偵測單元20記錄該待測人臉在圖像中的座標值範圍,並將該座標值範圍傳送給雷射掃描定位系統30。該雷射掃描定位系統30根據該待測人臉在圖像中的座標值範圍發送雷射光對待測區域的待測人臉進行掃描,以獲取該待測人臉的三維立體資訊,並將待測人臉的三維立體資訊傳送給微處理器40。該微處理器40將該待測人臉的三維立體資訊與存儲於該記憶單元50中的特定人員的人臉的三維立體資訊進行比對,當判斷該待測人臉的三維立體資訊與存儲於該記憶單元50中的特定人員的人臉的三維立體資訊不一致或誤差超過一設定範圍時,該微處理器40對外輸出一識別訊號,以進行後續處理。比如將該識別訊號傳送給一報警裝置進行報警,以提示該待測人員不是特定人員。當判斷該待測人臉的三維立體資訊與存儲於該記憶單元50中的特定人員的人臉的三維立體資訊一致或誤差不超過一設定範圍時,該微處理器40輸出另一識別訊號,比如將該識別訊號輸出給一電子門鎖使得該電子門鎖自動開鎖。Thereafter, when verification is required, the imaging unit 10 continues to perform imaging of the area to be measured. The face detecting unit 20 continues to perform face detection on the image of the area to be detected acquired by the camera unit 10. When the face detecting unit 20 detects that there is a person to be tested of the person to be tested in the image, the face detecting unit 20 records the range of coordinates of the face to be tested in the image, and This coordinate value range is communicated to the laser scanning positioning system 30. The laser scanning and positioning system 30 scans the face to be tested of the laser light to be tested according to the range of coordinate values of the face to be tested in the image to obtain the three-dimensional information of the face to be tested, and will wait for The three-dimensional information of the face is transmitted to the microprocessor 40. The microprocessor 40 compares the three-dimensional information of the face to be tested with the three-dimensional information of the face of the specific person stored in the memory unit 50, and determines the three-dimensional information and storage of the face to be tested. When the three-dimensional information of the face of the specific person in the memory unit 50 is inconsistent or the error exceeds a set range, the microprocessor 40 outputs an identification signal to perform subsequent processing. For example, the identification signal is transmitted to an alarm device for alarming to indicate that the person to be tested is not a specific person. When it is determined that the three-dimensional information of the face to be tested is consistent with the three-dimensional information of the face of the specific person stored in the memory unit 50 or the error does not exceed a set range, the microprocessor 40 outputs another identification signal. For example, outputting the identification signal to an electronic door lock automatically unlocks the electronic door lock.

請一併參閱圖2A和圖2B,本發明還提供一種應用於該攝像裝置100的身份識別方法,包括以下步驟:Referring to FIG. 2A and FIG. 2B together, the present invention further provides an identification method applied to the camera apparatus 100, including the following steps:

步驟S1:該攝像單元10對待測區域中的特定人員進行攝像。Step S1: The imaging unit 10 performs imaging of a specific person in the area to be measured.

步驟S2:該人臉偵測單元20對所獲取的特定人員的圖像進行偵測,以獲取圖像中特定人員的人臉部分,並記錄該人臉部分在圖像中所對應的座標值範圍,以及將該特定人員的人臉所對應的座標值範圍傳送給該雷射掃描定位系統30。Step S2: The face detecting unit 20 detects the acquired image of the specific person to acquire a face part of the specific person in the image, and records the corresponding part of the face part in the image. The range of coordinate values, and the range of coordinate values corresponding to the face of the particular person, are transmitted to the laser scanning positioning system 30.

步驟S3:該雷射掃描定位系統30根據該座標值範圍對待測區域中的特定人員的人臉進行掃描,以獲取該特定人員的人臉的三維立體資訊,並將該特定人員的人臉的三維立體資訊傳送給該微處理器40。Step S3: The laser scanning positioning system 30 scans a face of a specific person in the area to be tested according to the coordinate value range, to obtain three-dimensional information of the face of the specific person, and the face of the specific person Three-dimensional information is transmitted to the microprocessor 40.

步驟S4:該微處理器40將該特定人員的人臉的三維立體資訊作為一樣本資訊存儲於該記憶單元50。Step S4: The microprocessor 40 stores the three-dimensional information of the face of the specific person as the same information in the memory unit 50.

步驟S5:該攝像單元10繼續對待測區域進行攝像。Step S5: The imaging unit 10 continues to perform imaging of the area to be measured.

步驟S6:該人臉偵測單元20繼續對該攝像單元10所獲取的圖像進行人臉偵測。Step S6: The face detecting unit 20 continues to perform face detection on the image acquired by the camera unit 10.

步驟S7:該人臉偵測單元20判斷圖像中是否存在待測人員的待測人臉,若不存在待測人臉,則返回S5;若存在待測人臉,則執行步驟S8。Step S7: The face detecting unit 20 determines whether there is a face to be tested of the person to be tested in the image. If there is no face to be tested, the process returns to S5; if there is a face to be tested, step S8 is performed.

步驟S8:該人臉偵測單元20記錄該待測人臉在圖像中的座標值範圍,並將該座標值範圍傳送給該雷射掃描定位系統30。Step S8: The face detecting unit 20 records a range of coordinate values of the face to be tested in the image, and transmits the coordinate value range to the laser scanning positioning system 30.

步驟S9:該雷射掃描定位系統30根據該待測人臉在圖像中的座標值範圍發射雷射光對待測區域中的待測人臉進行掃描,以獲取該待測人臉的三維立體資訊,並將該待測人臉的三維立體資訊傳送給該微處理器40。Step S9: The laser scanning positioning system 30 scans the face to be tested in the laser light to be measured according to the coordinate value range of the face to be tested in the image to obtain the three-dimensional information of the face to be tested. And transmitting the three-dimensional information of the face to be tested to the microprocessor 40.

步驟S10:該微處理器40將該待測人臉的三維立體資訊與存儲於該記憶單元50中的特定人員的人臉三維立體資訊進行比對。Step S10: The microprocessor 40 compares the three-dimensional information of the face to be tested with the three-dimensional information of the face of the specific person stored in the memory unit 50.

步驟S11:判斷該待測人臉的三維立體資訊與存儲於該記憶單元50中特定人員的人臉三維立體資訊是否一致或誤差是否超過一設定範圍;若該待測人臉的三維立體資訊與存儲於該記憶單元50中特定人員的人臉三維立體資訊不一致或誤差超過一設定範圍,則執行步驟S12;若該待測人臉的三維立體資訊與存儲於該記憶單元50中特定人員的人臉三維立體資訊一致或誤差不超過一設定範圍,則執行步驟S13。Step S11: determining whether the three-dimensional information of the face to be tested is consistent with the three-dimensional information of the face of the specific person stored in the memory unit 50 or whether the error exceeds a set range; if the three-dimensional information of the face to be tested is If the three-dimensional information of the face of the specific person stored in the memory unit 50 is inconsistent or the error exceeds a set range, step S12 is performed; if the three-dimensional information of the face to be tested is related to the specific person stored in the memory unit 50 If the three-dimensional information of the face is consistent or the error does not exceed a set range, step S13 is performed.

步驟S12:該微處理器40輸出一第一識別訊號,以提示該待測人員不為特定人員。Step S12: The microprocessor 40 outputs a first identification signal to indicate that the person to be tested is not a specific person.

步驟S13:該微處理器40輸出一第二識別訊號,以提示該待測人員即為特定人員。Step S13: The microprocessor 40 outputs a second identification signal to prompt the person to be tested to be a specific person.

本發明攝像裝置10透過人臉偵測單元20對該攝像單元10獲取的圖像進行人臉偵測,並將待測人員的待測人臉在圖像中的座標值範圍傳送給該雷射掃描定位系統30,該雷射掃描定位系統30根據該座標值範圍對待測區域中的待測人臉進行掃描,且無需對整個待測區域進行掃描,從而獲取該待測人臉的三維立體資訊,並將該待測人臉的三維立體資訊與存儲於記憶單元50中的特定人員的人臉三維立體資訊作比對,以確定該待測人員是否為特定人員。The camera device 10 of the present invention performs face detection on the image acquired by the image capturing unit 10 through the face detecting unit 20, and transmits the range of coordinate values of the person to be tested of the person to be tested in the image to the laser. Scanning the positioning system 30, the laser scanning positioning system 30 scans the face to be tested in the area to be tested according to the coordinate value range, and does not need to scan the entire area to be tested, thereby acquiring the three-dimensional information of the face to be tested. And comparing the three-dimensional information of the face to be tested with the three-dimensional information of the face of the specific person stored in the memory unit 50 to determine whether the person to be tested is a specific person.

綜上所述,本發明符合發明專利要件,爰依法提出專利申請。惟,以上所述者僅為本發明之較佳實施例,舉凡熟悉本案技藝之人士,在爰依本發明精神所作之等效修飾或變化,皆應涵蓋於以下之申請專利範圍內。In summary, the present invention complies with the requirements of the invention patent and submits a patent application according to law. The above description is only the preferred embodiment of the present invention, and equivalent modifications or variations made by those skilled in the art will be included in the following claims.

100‧‧‧攝像裝置100‧‧‧ camera

10‧‧‧攝像單元10‧‧‧ camera unit

20‧‧‧人臉偵測單元20‧‧‧Face Detection Unit

30‧‧‧雷射掃描定位系統30‧‧‧Laser Scanning and Positioning System

40‧‧‧微處理器40‧‧‧Microprocessor

50‧‧‧記憶單元50‧‧‧ memory unit

圖1是本發明攝像裝置的較佳實施方式的方框圖。BRIEF DESCRIPTION OF THE DRAWINGS Figure 1 is a block diagram showing a preferred embodiment of an image pickup apparatus of the present invention.

圖2A和圖2B是應用于本發明攝像裝置的身份識別方法的較佳實施方式的流程圖。2A and 2B are flowcharts of a preferred embodiment of an identification method applied to an image pickup apparatus of the present invention.

100‧‧‧攝像裝置 100‧‧‧ camera

10‧‧‧攝像單元 10‧‧‧ camera unit

20‧‧‧人臉偵測單元 20‧‧‧Face Detection Unit

30‧‧‧雷射掃描定位系統 30‧‧‧Laser Scanning and Positioning System

40‧‧‧微處理器 40‧‧‧Microprocessor

50‧‧‧記憶單元 50‧‧‧ memory unit

Claims (10)

一種攝像裝置,包括:
一攝像單元,用於對一待測區域進行攝像;
一人臉偵測單元,用於對該攝像單元所獲取的圖像進行偵測,以得到一待測人臉,並記錄該待測人臉在圖像中所對應的座標值範圍;
一雷射掃描定位系統,用於根據該人臉偵測單元記錄的待測人臉在圖像中所對應的座標值範圍對待測區域中出現的待測人臉進行掃描,以獲取待測區域中的待測人臉的三維立體資訊;
一記憶單元,其內部存儲有一特定人員在待測區域中的人臉的三維立體資訊;以及
一微處理器,用於將待測人臉的三維立體資訊與該特定人員的人臉的三維立體資訊作比對,以根據比對結果輸出一識別訊號。
A camera device comprising:
a camera unit for imaging a region to be tested;
a face detection unit is configured to detect an image acquired by the camera unit to obtain a face to be tested, and record a range of coordinate values corresponding to the face to be tested in the image;
A laser scanning and positioning system is configured to scan a face to be tested appearing in the area to be tested according to a range of coordinate values corresponding to the face of the face to be detected by the face detecting unit to obtain the area to be tested Three-dimensional information of the face to be tested;
a memory unit internally storing three-dimensional information of a face of a specific person in the area to be tested; and a microprocessor for three-dimensional information of the face to be tested and a three-dimensional shape of the face of the specific person The information is compared to output an identification signal based on the comparison result.
如申請專利範圍第1項所述之攝像裝置,其中該人臉的三維立體資訊是指人臉的每一點在待測區域中的三維座標值。The camera device of claim 1, wherein the three-dimensional information of the face refers to a three-dimensional coordinate value of each point of the face in the area to be tested. 如申請專利範圍第2項所述之攝像裝置,其中該雷射掃描定位系統透過計算雷射光的發送脈衝和反射脈衝的時間差以及雷射光速來計算攝像裝置與待測區域中人臉的每一點之間的距離,從而獲取人臉的三維立體資訊。The camera device of claim 2, wherein the laser scanning positioning system calculates each point of the face in the camera device and the area to be tested by calculating a time difference between the transmitted pulse and the reflected pulse of the laser light and the laser light speed. The distance between the three-dimensional information of the face is thus obtained. 如申請專利範圍第1項所述之攝像裝置,其中當該微處理器判斷待測人員的人臉三維立體資訊與該特定人員的人臉三維立體資訊一致或不超過一設定範圍時,該微處理器輸出該識別訊號以表明該待測人員為該特定人員。The camera device of claim 1, wherein the microprocessor determines that the three-dimensional information of the face of the person to be tested is consistent with the three-dimensional information of the face of the specific person or does not exceed a set range, the micro The processor outputs the identification signal to indicate that the person to be tested is the specific person. 如申請專利範圍第1項所述之攝像裝置,其中當該微處理器判斷待測人員的人臉三維立體資訊與該特定人員的人臉三維立體資訊不一致或超過一設定範圍時,該微處理器輸出該識別訊號以表明該待測人員不為該特定人員。The image pickup apparatus according to claim 1, wherein the microprocessor determines that the three-dimensional information of the face of the person to be tested is inconsistent with or exceeds a set range of the three-dimensional information of the face of the specific person, the micro-processing The device outputs the identification signal to indicate that the person to be tested is not the specific person. 一種應用於一攝像裝置的身份識別方法,該攝像裝置包括一攝像單元,該身份識別方法包括以下步驟:
透過該攝像單元對一待測區域進行攝像;
透過一人臉偵測單元對該攝像單元所獲取的圖像進行人臉偵測,並判斷圖像中是否存在待測人臉;
當該人臉偵測單元偵測到圖像中出現待測人臉時,該人臉偵測單元記錄該待測人臉在圖像中的座標值範圍,並將該座標值範圍傳送給雷射掃描定位系統;
該雷射掃描定位系統根據該待測人臉在圖像中的座標值範圍對待測區域的待測人臉進行掃描,以獲取待測人臉的三維立體資訊,並將待測人臉的三維立體資訊傳送給一微處理器;
該微處理器將待測人臉的三維立體資訊與存儲於一記憶單元中的一特定人員的人臉的三維立體資訊進行比對,並根據比對結果對應輸出一識別訊號。
An identification method applied to an image pickup apparatus, the image pickup apparatus comprising an image pickup unit, the identification method comprising the following steps:
Imaging a region to be tested through the camera unit;
Performing a face detection on the image acquired by the camera unit through a face detection unit, and determining whether there is a face to be tested in the image;
When the face detecting unit detects that a face to be tested appears in the image, the face detecting unit records a coordinate value range of the face to be tested in the image, and transmits the coordinate value range to the lightning Shooting scanning positioning system;
The laser scanning positioning system scans the face to be tested in the area to be tested according to the coordinate value range of the face to be tested, to obtain the three-dimensional information of the face to be tested, and the three-dimensional face of the face to be tested Stereoscopic information is transmitted to a microprocessor;
The microprocessor compares the three-dimensional information of the face to be tested with the three-dimensional information of the face of a specific person stored in a memory unit, and outputs an identification signal according to the comparison result.
如申請專利範圍第6項所述之身份識別方法,其還包括以下步驟:
當該微處理器判斷該待測人臉的三維立體資訊與存儲於該記憶單元中的特定人員的人臉的三維立體資訊不一致或誤差超過一設定範圍時,該微處理器輸出一第一識別訊號。
The method for identifying an identity as described in claim 6 further includes the following steps:
When the microprocessor determines that the three-dimensional information of the face to be tested is inconsistent with the three-dimensional information of the face of the specific person stored in the memory unit or the error exceeds a set range, the microprocessor outputs a first identification Signal.
如申請專利範圍第7項所述之身份識別方法,其還包括以下步驟:
當該微處理器判斷該待測人臉的三維立體資訊與存儲於該記憶單元中的特定人員的人臉的三維立體資訊一致或誤差不超過該設定範圍時,該微處理器輸出一第二識別訊號。
The method for identifying an identity as described in claim 7 further includes the following steps:
When the microprocessor determines that the three-dimensional information of the face to be tested is consistent with the three-dimensional information of the face of the specific person stored in the memory unit or the error does not exceed the set range, the microprocessor outputs a second Identify the signal.
如申請專利範圍第6項所述之身份識別方法,其中該人臉的三維立體資訊是指人臉的每一點在待測區域中的三維座標值,該雷射掃描定位系統透過計算雷射光的發送脈衝和反射脈衝的時間差以及雷射光速來計算攝像裝置與人臉每一點之間的距離,從而獲取人臉的三維立體資訊。The identification method according to claim 6, wherein the three-dimensional information of the face refers to a three-dimensional coordinate value of each point of the face in the area to be tested, and the laser scanning positioning system calculates the laser light by calculating The time difference between the transmitted pulse and the reflected pulse and the laser light speed are used to calculate the distance between the camera and each point of the face, thereby acquiring the three-dimensional information of the face. 如申請專利範圍第6項所述之身份識別方法,其中該記憶單元中存儲的特定人員的人臉的三維立體資訊透過以下步驟獲得:
透過該攝像單元對該特定人員進行攝像;
透過該人臉偵測單元對該攝像單元所獲取的圖像進行偵測,以獲取圖像中特定人員的人臉部分,並記錄該人臉在圖像中所對應的座標值範圍;
透過該雷射掃描定位系統根據該人臉偵測單元所偵測的特定人員的人臉在圖像中所對應的座標值範圍對待測區域中特定人員的人臉進行掃描,以獲取特定人員的人臉的三維立體資訊,並將該特定人員的人臉的三維立體資訊傳送給該微處理器;以及
該微處理器將該特定人員的人臉的三維立體資訊存儲於該記憶單元中。
The identification method according to claim 6, wherein the three-dimensional information of the face of the specific person stored in the memory unit is obtained by the following steps:
Recording the specific person through the camera unit;
The image obtained by the camera unit is detected by the face detecting unit to acquire a face portion of a specific person in the image, and the coordinate value range corresponding to the face in the image is recorded;
The laser scanning and positioning system scans the face of a specific person in the area to be measured according to the coordinate value of the specific person detected by the face detecting unit in the image to obtain the specific person's face. The three-dimensional information of the face transmits the three-dimensional information of the face of the specific person to the microprocessor; and the microprocessor stores the three-dimensional information of the face of the specific person in the memory unit.
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