CN200950262Y - Mobile terminal - Google Patents

Mobile terminal Download PDF

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Publication number
CN200950262Y
CN200950262Y CNU2005201146276U CN200520114627U CN200950262Y CN 200950262 Y CN200950262 Y CN 200950262Y CN U2005201146276 U CNU2005201146276 U CN U2005201146276U CN 200520114627 U CN200520114627 U CN 200520114627U CN 200950262 Y CN200950262 Y CN 200950262Y
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China
Prior art keywords
face
light source
infrared
portable terminal
module
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CNU2005201146276U
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Chinese (zh)
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李子青
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BEIJING AUTHENMETRIC TECHNOLOGY Co Ltd
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BEIJING AUTHENMETRIC TECHNOLOGY Co Ltd
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Abstract

The utility model relates to a mobile terminal, including a shell, a wireless signal transceiver device and a control device arranged in the shell and communicated with the wireless signal transceiver device; therein, the control device includes a memorizer and a control processor communicated with the memorizer; the device is characterized in that the device still includes a camera component with the active light source to film the human face image which is installed on the shell or in the shell and extending out of the shell, and an identification module of the human face image with the active light source which is arranged in the memorizer and/or the control processor and communicated with the camera component with the active light source. The mobile terminal of the utility model has the function of identifying the human face image and can be used to realize the accessing control of the data in the mobile equipment, and the authority control of the remote control function of the portable equipment; and the device can be used in the identification of the wireless applications in the financial, business, government, police, border control, health care, insurance, social security and so on.

Description

A kind of portable terminal
Technical field
The utility model relates to technical fields such as Digital Image Processing, pattern-recognition and wireless telecommunications, portable terminal such as particularly a kind of mobile phone with facial image recognition function, PDA.
Background technology
Recognition of face has been used for authentication.Recognition of face is compared with other recognition technologies, has nature, easy, easy-to-use, numerous advantages such as user's acceptance good, noncontact, non-invasion.Therefore, face recognition technology can be widely used in safety verification, monitoring, gateway control, computer login, internet login and authentication, electronic commerce information system, national treasury safety installations, safety cabinet, ATM (Automatic Teller Machine), chase suspect, anti-terrorism struggle and other fields that is suitable for.
Fig. 1 shows the face recognition process of prior art, is people's face in facial image to be identified and the database is compared, and makes the identification judgement then.Comparison identification is to carry out on the basis of face characteristic sign indicating number.This process is compared 30 3 steps by image acquisition 10, feature extraction 20 and feature templates and is finished.Then comprise corresponding to face identification system: image capture module, facial image or image/video sequence that it is gathered by image collecting device (as video camera, digital camera etc.) then, are delivered to computing machine with these images or video sequence and are handled; Characteristic extracting module, it is arranged among the computing machine, detection and location people face part from the image of input, and extract the characteristic information of people's face after human face posture is proofreaied and correct, i.e. face characteristic sign indicating number; The feature templates comparing module, be arranged among the computing machine equally, it compares the characteristic information (face characteristic sign indicating number) that is deposited in people's to be identified face characteristic information (face characteristic sign indicating number) and the face characteristic database, and finds out best match objects in these information.
Obviously, the face characteristic database need be set up before identification.Therefore, face identification system should have by recognition of face A and the typing of the people's face B two big processes of filing and constitutes, referring to Fig. 2.Wherein, the file purpose of B process of people's face typing is to be based upon the face characteristic database that uses in the face recognition process.
Recognition of face A and the typing of the people's face B two big processes of filing include image acquisition and characteristic extraction procedure, to obtain image and to extract feature.But face recognition process is the condition code that will extract and the condition code that the face characteristic database is deposited in carries out feature templates comparison coupling, and people's face typing create procedure then deposits the condition code of extraction in the face characteristic database.
The feature extraction 20 of people's face is detected by people's face or the feature location of face tracking 201, people's face with proofread and correct 202, face characteristic extracts several steps such as 203 and constitutes.The detection of people's face is meant in dynamic scene and complicated background and catches people's face and isolate people's face, face tracking refers to the people's face that is detected is carried out dynamic target tracking, people's face is proofreaied and correct and is utilized key position that people's face is carried out geometry correction (as proofreading and correct the human face posture of skew), and face characteristic extracts 203 pairs of people's faces that detect after proofreading and correct and calculates the essential characteristic that extracts face.
30 of the feature of people's face contrasts are based on to be extracted face characteristic will the people's face in the face characteristic database 40 to be identified to carry out matching ratio right, calculates matching confidence, and adjudicates the optimum matching object.Matching ratio is to being (identity validation) or one-to-many (identification) one to one.
(PDA, or individual palm PC) is more and more universal for the mobile terminal device of present embedded camera such as mobile phone and personal digital assistant, and they self mobile computing and memory function is also more and more stronger, and corresponding wireless application software is also flourish.
Fig. 3 shows the principle of work of existing known mobile communication terminal mobile phone.Known mobile communication equipment mobile phone is by radio frequency chip 2.1, analog baseband circuitry 2.2, and digital baseband circuit 2.3, and external unit 2.4 constitutes.Analog baseband circuitry 2.2, digital baseband circuit 2.3 constitutes the core of mobile phone.Along with improving constantly of integrated technology, will simulate at present, digital baseband circuit is integrated in the IC chip, general designation mobile phone processor controls.
Digital baseband circuit 2.3 mainly is made of Digital Signals processor DSP2.31, micro-control unit MCU2.32.Digital Signals processor DSP is responsible for modulation, channel coding/decoding, speech coding/decoding, the encrypting and decrypting function of baseband signal; Micro-control unit MCU by Peripheral Interface 2.321 with to be connected peripheral hardwares such as LCDs, finger-board, buzzer, SIM card 2.4 continuous; MCU is responsible for user interface, the operation of application software and higher-layer protocols under the control and management of system software 2.322.Wherein, the process of posting a letter is the data stream of the voice signal of transmitter through the 8KHZ sampling and the 2.22 formation uniform quantizations of A/D transducer of Analog Baseband chip 2.2, through voice coding 2.311, chnnel coding 2.312, encrypt 2.313, equilibrium treatment 2.314, form the tdma frame data stream of 270.833Kbit/s, after sending the GMSK modulation circuit 2.21D/A conversion of Analog Baseband chip 2.2, form I, Q signal, be modulated into 900MHZ or 1800MHZ radiofrequency signal by the modulating emission circuit 2.12 of handing in the radio-frequency (RF) receiving and transmission module, carry out power amplification, through radio frequency T/R transmitting-receiving conversion 2.11, launch from antenna.Collect mail with post a letter opposite, the signal that antenna receives is changed 2.11 through T/R, carry out frequency conversion, the amplification of low noise intermediate frequency, demodulation, produce baseband I, Q signal 2.13, deliver to the wireless signal GMSK demodulator circuit 2.21 of Analog Baseband chip 2.2, I, the Q signal of simulating carried out digitizing, recover digital baseband signal, do D/A conversion 2.22 again, speech is sent from phone.
Along with development of technology, mobile terminal device also is used as the platform of the authentication or the modes of payments, also occurs based on the mobile phone of fingerprint or face authentication.
Existing a great problem is in the existing face recognition technology based on visible light: the variation of ambient light is very big to the influence of face characteristic, the facial image difference that different ambient lights is obtained down is very big, and recognition accuracy can not satisfy the requirement of application.Particularly as the application on the mobile platform, surround lighting to based on the influence that face recognition technology caused of visible light than more remarkable in the application of fixed-site.Obtain highly reliable, accurate recognition of face effect, the face characteristic that extracts must reflect the essential characteristic of face's identity, and this essential characteristic should be not change with the variation of light.And, because the mobile terminal device volume is very little, on mobile device, make the volume that face authentication need reduce image collecting device as far as possible; If with the active light source irradiation, needing to keep initiatively, light source irradiation intensity satisfies the requirement of active recognition of face to picture quality; In addition, because the processor controls of mobile device is calculated and storage capacity is very limited, need be optimized aspect arithmetic speed and the storage algorithm.
The utility model content
Technical problem to be solved in the utility model is to provide a kind of portable terminal, and this portable terminal can overcome the influence of ambient light, realizes facial image identification authentication on mobile platform.
To achieve these goals, the utility model provides a kind of portable terminal, comprise: housing, wireless signal transceiver and be arranged on the control device that is connected with described wireless signal transceiver in the housing, wherein, described control device comprises storer and the processor controls that is connected with described storer again, wherein, also comprise: be arranged on the described housing or housing in and the facial image that outside housing, stretches out picked-up light source camera assembly initiatively; And, be arranged on the facial image identification module that is used to realize recognition of face that is connected with described active light source camera assembly in described storer and/or the processor controls.
Described portable terminal, wherein, described active light source camera assembly is an infrared photography assembly; Described infrared photography assembly further comprises: infrared active light source and infrared photography camera lens; Wherein, described infrared active light source is arranged on around the described infrared camera.
Described portable terminal, wherein, described infrared photography assembly further is included in Tong Guo the Infrared of described infrared photography camera lens inside or outer setting, but weaken, filtering or by the filtering apparatus of visible light.
Described portable terminal, wherein, described facial image identification module further comprises: image capture module, face characteristic template database, characteristic extracting module and/or feature templates comparing module; Described image capture module is connected with described active light source camera assembly, is used to gather the human face image information by described active light source camera assembly input; Described characteristic extracting module is connected with described image capture module, is used for extracting feature templates information from the described human face image information that collects; Whether described feature templates comparing module is connected with described characteristic extracting module and face characteristic template database respectively, be used for comparing the information of the facial image feature templates that described characteristic extracting module extracts and the known template that described face characteristic template database is preserved and mate.
Described portable terminal, wherein, face characteristic template database, characteristic extracting module, face characteristic template database and/or the feature templates comparing module wireless connections of described facial image identification module by being provided with on a described wireless signal transceiver and the remote server.
Described portable terminal, wherein, described facial image identification module comprises that further one is used to locate the highlighted some detection module of position of human eye.
Described portable terminal, wherein, described face characteristic template database further comprises human face image information, the facial image feature templates of registration that be mutually related, registered user's name, user ID information and/or user right information.
Described portable terminal wherein, further comprises a recognition of face trigger switch that is connected with described facial image identification module.
Described portable terminal, wherein, described recognition of face trigger switch is a hardware switch, keyboard and/or software keys.
Described portable terminal wherein, further comprises a gauge tap that is connected with described active light source camera assembly, to be used to control the work of described active light source camera assembly.
Described portable terminal wherein, further comprises the identification mode of operation selector switch that is connected with the facial image identification module, and described identification mode of operation comprises registration mode and recognition mode.
Described portable terminal, wherein, described infrared active light source is one or more infrarede emitting diodes, described infrarede emitting diode is arranged on the described infrared camera case panel on every side.
Described portable terminal, wherein, described infrared active light source is direct current supply, pulse power supply or powers with the flashlamp form.
Described portable terminal wherein, further is provided with a visible light people face camera on described infrared camera next door.
Described portable terminal, wherein, described filtering apparatus be arranged on the inner or outside visible light of described infrared photography camera lens by and optical filter that infrared light passes through, or at the plated film on described infrared photography camera lens interior lens surface.
Described portable terminal, wherein, further comprise with described control device and initiatively light source camera assembly being used to of being connected the facial image that shows that described active light source camera assembly is absorbed display device.
Described portable terminal, wherein, described optical filter is for band logical type or cut logical type, makes visible light end and infrared light passes through.
Described portable terminal, wherein, the face characteristic shaping data representation that is extracted by described characteristic extracting module is to improve processing speed.
Described portable terminal, wherein, described portable terminal is mobile phone, PDA.
Portable terminal of the present utility model, its small size design makes the infrared photography module can settle on the face authentication mobile phone, keeps infrared intensity of illumination to satisfy the requirement of active infrared recognition of face to picture quality simultaneously; Wherein, the module prioritization scheme that is provided makes recognition of face software can satisfy performance demands on the face authentication mobile phone.Carrying out infrared face identification on portable terminal of the present utility model has excellent adaptability to surround lighting, thereby has improved the recognition of face rate; Utilize the long-range recognition of face of carrying out reliable pin-point accuracy of wireless channel, expanded the range of application and the field of recognition of face.
Portable terminal of the present utility model can be used for the access control of data in the mobile device, the control of authority of portable equipment distant control function and the identity that moves in the wireless applications such as finance, commercial affairs, government affairs, police service, frontier inspection, medical treatment, insurance, social security and differentiates.Recognition result according to the utility model portable terminal may trigger mobile device or produce different responses, as after authenticating, allowing that the user uses certain enciphered data in mobile device or the access means, by allowing after the authentication that the user logins and the operation net account number that goes to bank, allow that perhaps different users uses different authority visit encrypting database etc.
Below in conjunction with the drawings and specific embodiments the utility model is described in detail, but not as to qualification of the present utility model.
Description of drawings
Fig. 1 is the basic procedure synoptic diagram of the facial image identification of prior art;
Fig. 2 is the facial image recognition process synoptic diagram of prior art;
Fig. 3 is the operating handset principle schematic of prior art;
Fig. 4 is the operating handset principle schematic of the utility model one embodiment;
Fig. 5 is the work synoptic diagram of the portable terminal of the utility model one embodiment;
Fig. 6 A-Fig. 6 G is the arrangement scheme synoptic diagram of infraluminescence pipe around infrared camera of the different embodiment of the utility model;
Fig. 7 A is the scheme synoptic diagram of portable terminal plated film on the infrared photography camera lens of the utility model embodiment;
Fig. 7 B, 7C are the portable terminal of the embodiment of the invention installs optical filter additional on the infrared photography camera lens scheme synoptic diagram;
Embodiment
Fig. 4 is the operating handset principle schematic of the utility model one embodiment.Contrast with Fig. 3, in Fig. 4, the mobile phone of the utility model one embodiment further comprises the facial image identification module 401 that is arranged among the micro-control unit MCU 2.32 and is arranged on the handset shell or enclosure interior but stretch out the infrared photography assembly 402 that is used for absorbing facial image of housing.Infrared photography assembly 402 interconnects with facial image identification module 401 by Peripheral Interface 2.321 and/or control bus 3.11 and data bus 3.12 and communicates by letter.Facial image identification module 401 comprises that by Peripheral Interface 2.321 and other external unit 2.4 LCDs, keypad, hummer, SIM card etc. are connected and communicate by letter.Facial image identification module 401 wherein can adopt existing known various human face recognition method, can further comprise image capture module, face characteristic template database, characteristic extracting module and/or feature templates comparing module.According to practical situations, partly or entirely also can being arranged in the storer of mobile phone of facial image identification module 401 is stored in the function that the facial image identification module 401 in the storer adopts existing known algorithm to discern with software realization facial image.Referring to Fig. 2, image capture module and characteristic extracting module are used for finishing people's face typing create procedure shown in Figure 2 by infrared photography assembly 402, and a frame that will collect or multiple image are input to the face characteristic template database or are not input to the feature templates database and directly are stored in the buffer memory, and utilize the feature templates comparing module further to finish the function of the feature templates coupling in the face recognition process, and then the user's of the people's face that is taken identity is authenticated according to the result who discerns.Infrared photography assembly 402 wherein can utilize other other active light source camera assembly that can guarantee corresponding recognition effect accordingly to substitute.
According to the recognition methods of adopting, facial image identification module 401 of the present utility model can further comprise other module, wherein, as adopt and utilize the active source imaging to produce highlighted some detection human eye at the human eye center, and then when detecting the method for people's face, comprise that further a highlighted point detects module with the location position of human eye.As shown in Figure 9, when the active light source is infrared light, can make that the human eye center of the facial image that obtained is a high bright spot.Utilize this characteristics, when obtaining photographic images, just can at first detect high bright spot that occur in the image, the reflection human eye, when detecting described high bright spot, its zone on every side then can be judged as the facial image zone.Perhaps,, utilize the high bright spot that occurs in pairs, cooperate template corresponding, just can position the human face region in the image quickly and accurately according to the geometric relationship of human eye and facial image.This makes that people's face detection problem of difficulty is simplified greatly.
Image capture module is connected with described active light source camera assembly, is used to gather the human face image information by described active light source camera assembly input; Characteristic extracting module is connected with described image capture module, is used for extracting the face characteristic Template Information from the described human face image information that collects; Whether the feature templates comparing module is connected with described characteristic extracting module and face characteristic template database respectively, be used for comparing the information of the facial image feature templates that described feature templates extraction module extracts and the known features template that the face characteristic template database is preserved and mate.
Fig. 5 is the work synoptic diagram of the portable terminal of the utility model one embodiment.Include in the housing of portable terminal 501 of the present utility model: control device 5011, the infrared photography assembly (comprising: infrarede emitting diode 5012, infrared camera 5013), visible light (colour) camera 5014, control device 5011 comprises processor controls 5015 and storer 5016 (being arranged on the facial image identification module that is used to finish corresponding face identification functions in the described control device 5011), and display screen, keyboard, antenna, radio circuit, external units such as electro-acoustic transducing device 5017.Described control device 5011 includes the storer 5016 that a processor controls 5015, is electrically connected on this processor controls 5015.Carrying out the computing platform that feature templates extracts and feature templates is compared in identifying can select local mobile terminal equipment according to demand for use or by wireless signal transceiver such as sky line options remote server 502, face characteristic template database, characteristic extracting module and/or feature templates comparing module can be set on remote server 502; If select remote server 502 for use, utilize wireless transmitter such as antenna etc. to communicate between it and the portable terminal, utilize the passage of portable terminal 501 and 502 wireless data transceivings that exist of remote server, the user can select feature extraction to finish in this locality, and utilize the face characteristic template database that is provided with on it to finish characteristic matching to remote server 502 backs at server end the feature templates information transmission that extracts, and then recognition result is returned portable terminal 501.
The face characteristic template database that on local mobile device or remote server, is provided with, the information such as human face image information, facial image feature templates, address name, user ID information and/or user right of registration have been write down, wherein, the face characteristic Template Information that is write down is interrelated with corresponding user and user right information, according to the result who identifies, can give corresponding user corresponding authority.
Infrared photography assembly wherein is arranged on the housing of portable terminal 501 or is arranged in the housing but stretches out outside housing, by infrared camera 5013, be used for artificially lighting infrarede emitting diode 5012 initiatively light sources constitute, this infrared photography electrical component is connected in this control device 5011, via switch, the image acquisition of infrared camera and/or the mode of operation (being chosen as registration mode or recognition mode) of recognition of face of these control device 5011 control infrared light supplies.Wherein, under registration mode, gather some width of cloth from same facial image and carry out feature extraction and coding, be kept in the face characteristic template database, and set up the related of these image templates and personal identification with portable terminal 501.Under recognition mode, the template of system by the feature of user's facial image of collection in worksite is stored in database determines whether this user identity is legal.No matter be registration mode or recognition mode, personal identification method all will carry out the extraction of characteristic information, also will carry out characteristic matching under recognition mode.
Can adopt 2-6 or more high brightness infraluminescence pipes as infrared light supply in the infrared photography nextport hardware component NextPort, closely be arranged in infrared camera in the infrared photography nextport hardware component NextPort around, compact conformation is shown in Fig. 6 A-Fig. 6 G.The infrared photography nextport hardware component NextPort is arranged in the mobile terminal shell 604 and stretches out outside shell, is positioned at the top of housing 604, the top of mobile terminal display screen 605.An infrared camera 601 can only be set, a visible light (colour) people face camera 603 also aside is set again, a plurality of infrarede emitting diodes 602 with the multiple arrangement mode shown in scheming closely be arranged in infrared camera 601 around, can control the switch of infrared camera by button 606.
When using infrared light supply, because infrared light supply is different with visible wavelength, can on pick-up lens, install the infrared filtering eyeglass additional, be used for visible light is suppressed, further lower the influence of surround lighting with this.In the utility model, the wavelength of available infrared light supply is the near-infrared light source of 740nm-1700nm, or wavelength is a 1700nm-4000nm mid-infrared light source lighting.Because infrared light is invisible light, and human eye is faint even do not have impression to infrared impression, so infrared light supply does not have invasion to the people; Infrared light supply is used and can be carried out in the people does not discover.And, utilize at infrared light supply, can carry out recognition of face fully in the dark.When adding with the infrared filtering eyeglass, described infrared filtering eyeglass can be the logical type of band or cuts logical type.Such as: when adopting the illumination of 850nm infrarede emitting diode, can cooperate centre wavelength is the logical type infrared filtering eyeglass of band of 850nm, makes the infrared light of 850nm pass through, and other wavelength light of filtering; Perhaps, cooperating cutoff wavelength is the aglow outer optical filter of length of 850nm, makes the infrared light of the above wavelength of 800nm pass through, and the light of the following wavelength of filtering 800nm.Owing to be subjected to the restriction of portable terminal size, for reducing the size of infrared photography assembly, can adopt mode to suppress visible light and infrared light is seen through at the lens surface plated film of infrared photography camera lens inside, this coating film thickness may be selected to be micron order, more saves the space than the glass of color filter of several millimeters thick like this.Can reduce the thickness of infrared photography assembly thus, the infrared photography assembly is set on the size-constrained portable terminal thereby can be implemented in.
Fig. 7 A, 7B, 7C are the scheme synoptic diagram of the infrared photography camera lens of the utility model embodiment portable terminal.Fig. 7 A is the scheme synoptic diagram of the lens surface plated film of camera lens inside, wherein, lens 702,703,704 surfaces of infrared photography camera lens 701 are coated with plated film, and the characteristic of its plated film makes visible light end and infrared light sees through, and the thickness of plated film wherein can adopt micron order.Fig. 7 B, 7C are respectively the scheme synoptic diagram that one or both sides outside infrared photography camera lens interior lens install an optical filter 705 additional, wherein, optical filter 705 ends the infrared glass of infrared permeation as substrate with visible light, for guaranteeing that optical filter can further adopt additional plated film by the effect of visible light transmissive Infrared in the infrared glass substrate, the characteristic of described additional plated film makes when allowing infrared light see through, visible light is further ended.
The scheme of Fig. 7 A, 7B, 7C is all finished in camera lens inside.Compare with the method that adds filter disc at camera lens, these several schemes can reduce the volume of infrared photography assembly.The scheme volume minimum of lens surface plated film, but the degree of depth that may cause visible light to end is not enough; The optical filter that installs optical filter and/or surface coating additional can make by better effects if.
In addition, as on portable terminal, being provided with visible light people face camera simultaneously, on the camera lens of visible light people face camera, also can be provided with the optical filter or the camera lens plated film that visible light can be passed through but suppress infrared light.
The facial image identification module is arranged in the processor controls and/or storer of portable terminal control device, carries out the instruction of corresponding recognition of face by processor controls.Display screen is electrically connected to this control device, is used for display text and image.Described keyboard comprises several hardware button, places on the housing or by the display screen soft keyboard to constitute, and is electrically connected to this control device.Described antenna places on the housing, is used for sending, receives wireless signal; Described radio circuit is electrically connected to this control device and antenna; Described electro-acoustic transducing device comprises microphone and loudspeaker, is electrically connected to this control device.The portable terminal of the utility model one embodiment, further comprise one be connected with the facial image identification module be used to control the recognition of face trigger switch that triggers and/or close face identification functions, this recognition of face trigger switch both can be a hardware input device such as switch, keyboard, also can be software instruction such as software keys etc., or the telechiric device of portable terminal.Obtain also can utilize electro-acoustic transducing device to report to the police according to demand behind the recognition result.Described portable terminal can further comprise a gauge tap that is connected with described active light source camera assembly, to be used to control the work of described active light source camera assembly.Adopting the infrared active light source of portable terminal of the utility model one embodiment of infrared active light source can be direct current supply or flashlamp form pulse power supply.
For calculate and portable terminal that processing power is limited on the algorithm of realization recognition of face, adopt the integer computing as far as possible, avoid floating-point operation and multiplication division arithmetic as far as possible.Characteristic extracting module is the face characteristic INTEGER representation, to improve arithmetic speed and to reduce storage among the utility model embodiment.
The portable terminal of the utility model embodiment can be mobile phone or PDA etc.The portable terminal of the utility model one embodiment is used infrared imagery technique, has overcome the shortcoming of recognition of face to the illumination sensitivity.By adopting 2-6 or a more high brightness high brightness infraluminescence pipe, closely be arranged in around the infraluminescence pipe, reduce the volume of infrared photography module, thereby reduced the wide high size of infrared photography module; By on infrared camera, adopting the optical filter of micron-sized plated film rather than several millimeters thick to come the filtering visible light, reduced the thickness of infrared photography module.
As can be known, the present invention program's infrared face image scheme reduces the influence of surround lighting to the imaging of people's face greatly after people's face imaging contrast of the infrared face image of taking with the utility model scheme down by visible light facial image and the same terms.
Same, as can be known, detection and location people's eyes are easy more than visible images in the infrared face image after the human eye detection and localization contrast of the infrared face image of taking with the utility model scheme down by visible light facial image and the same terms.
The infrared face identification that should carry out on mobile phone has excellent adaptability to surround lighting, thereby improves the recognition of face rate; Utilize the long-range recognition of face of carrying out reliable pin-point accuracy of wireless channel, expanded the range of application and the field of recognition of face.
Certainly; the present invention also can have other various embodiments; under the situation that does not deviate from spirit of the present invention and essence thereof; those of ordinary skill in the art work as can make various corresponding changes and distortion according to the present invention, but these corresponding changes and distortion all should belong to the protection domain of the appended claim of the present invention.

Claims (17)

1, a kind of portable terminal, comprise: housing, wireless signal transceiver and be arranged on the control device that is connected with described wireless signal transceiver in the housing, wherein, described control device comprises storer and the processor controls that is connected with described storer again, it is characterized in that, also comprise: be arranged on the described housing or housing in and the facial image that outside housing, stretches out picked-up light source camera assembly initiatively; And, be arranged on the facial image identification module that is used to realize recognition of face that is connected with described active light source camera assembly in described storer and/or the processor controls.
2, portable terminal according to claim 1 is characterized in that, described active light source camera assembly is an infrared photography assembly; Described infrared photography assembly further comprises: infrared active light source and infrared photography camera lens; Wherein, described infrared active light source is arranged on around the described infrared camera.
3, portable terminal according to claim 2 is characterized in that, described infrared photography assembly further is included in inner or outside Tong Guo the Infrared that installs additional of described infrared photography camera lens, but can weaken, filtering and/or end the filtering apparatus of visible light.
According to claim 1,2 or 3 described portable terminals, it is characterized in that 4, described facial image identification module further comprises: image capture module, face characteristic template database, characteristic extracting module and/or feature templates comparing module; Described image capture module is connected with described active light source camera assembly, is used to gather the human face image information by described active light source camera assembly input; Described characteristic extracting module is connected with described image capture module, is used for extracting feature templates information from the described human face image information that collects; Whether described feature templates comparing module is connected with described characteristic extracting module and face characteristic template database respectively, be used for comparing the information of the facial image feature templates that described characteristic extracting module extracts and the known template that described face characteristic template database is preserved and mate.
5, portable terminal according to claim 4, it is characterized in that of face characteristic template database, characteristic extracting module, face characteristic template database and/or the feature templates comparing module wireless connections of described facial image identification module by being provided with on a described wireless signal transceiver and the remote server.
According to claim 1,2,3 or 5 described portable terminals, it is characterized in that 6, described facial image identification module comprises that further one is used to locate the highlighted some detection module of position of human eye.
7, according to claim 1,2,3 or 5 described portable terminals, it is characterized in that, further comprise a recognition of face trigger switch that is connected with described facial image identification module.
8, portable terminal according to claim 7 is characterized in that, described recognition of face trigger switch is a hardware switch, keyboard and/or software keys.
9, portable terminal according to claim 8 is characterized in that, further comprises a gauge tap that is connected with described active light source camera assembly, to be used to control the work of described active light source camera assembly.
According to claim 5,8 or 9 described portable terminals, it is characterized in that 10, further comprise the identification mode of operation selector switch that is connected with the facial image identification module, described identification mode of operation comprises registration mode and recognition mode.
According to claim 2,3,5,8 or 9 described portable terminals, it is characterized in that 11, described infrared active light source is one or more infrarede emitting diodes, described infrarede emitting diode is arranged on the described infrared camera case panel on every side.
12, portable terminal according to claim 11 is characterized in that, described infrared active light source is direct current supply, pulse power supply or powers with the flashlamp form.
13, portable terminal according to claim 2 is characterized in that, further is provided with a visible light people face camera on described infrared camera next door.
14, portable terminal according to claim 3 is characterized in that, described filtering apparatus is to be arranged on the outside or inner optical filter of described infrared photography camera lens and/or at the plated film on described infrared photography camera lens interior lens surface.
15, according to claim 1,2,3,5,8,9,12,13 or 14 described portable terminals, it is characterized in that, further comprise with described control device and initiatively light source camera assembly being used to of being connected the facial image that shows that described active light source camera assembly is absorbed display device.
16, portable terminal according to claim 3 is characterized in that, described optical filter is logical type of band or cut-off type.
According to claim 1,2,3,5,8,9,12,13 or 14 described portable terminals, it is characterized in that 17, described portable terminal is mobile phone, PDA.
CNU2005201146276U 2005-11-11 2005-11-11 Mobile terminal Expired - Lifetime CN200950262Y (en)

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CN101571911B (en) * 2008-04-30 2012-07-04 深圳市飞瑞斯科技有限公司 Human face recognition system based on ultraviolet light source
CN101998161A (en) * 2009-08-14 2011-03-30 Tcl集团股份有限公司 Face recognition-based television program watching method
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CN102178510A (en) * 2011-03-25 2011-09-14 清华大学 Mobile phone infrared imaging system
CN102236407A (en) * 2011-06-29 2011-11-09 华为终端有限公司 Method for controlling state of mobile terminal and mobile terminal
CN102427521A (en) * 2011-09-28 2012-04-25 福州海景科技开发有限公司 Mobile supervision method based on face recognition technology
US11551263B2 (en) 2011-10-19 2023-01-10 Firstface Co., Ltd. Activating display and performing additional function in mobile terminal with one-time user input
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WO2014194455A1 (en) * 2013-06-03 2014-12-11 Empire Technology Development Llc Reduction of electromagnetic (em) radiation from a client device
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CN104408354A (en) * 2014-11-26 2015-03-11 成都市锐信安信息安全技术有限公司 Stand-alone facial recognition smart power grid mobile operation and security access main switching circuit
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CN107403370A (en) * 2016-08-31 2017-11-28 彭梅 Finance debt-credit risk control system and operation method
CN107403370B (en) * 2016-08-31 2018-06-29 浙江易网科技股份有限公司 Finance debt-credit risk control system and operation method
CN106534682A (en) * 2016-11-10 2017-03-22 上海大学 Portable monitoring alarm device
CN106792512A (en) * 2016-11-29 2017-05-31 上海斐讯数据通信技术有限公司 A kind of infrared identification alignment system and method for being applied to mobile terminal
CN107205104A (en) * 2017-04-24 2017-09-26 奇鋐科技股份有限公司 Human face recognition module
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CN110815221A (en) * 2019-11-11 2020-02-21 路邦科技授权有限公司 Safety control system of bionic robot and control method thereof
CN110944152A (en) * 2019-12-04 2020-03-31 江苏中控安芯信息安全技术有限公司 Method and system for acquiring infrared face image data

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