CN104102916B - Face Image Recognition System based on man face geometric size normalization - Google Patents
Face Image Recognition System based on man face geometric size normalization Download PDFInfo
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- CN104102916B CN104102916B CN201410313732.6A CN201410313732A CN104102916B CN 104102916 B CN104102916 B CN 104102916B CN 201410313732 A CN201410313732 A CN 201410313732A CN 104102916 B CN104102916 B CN 104102916B
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Abstract
The invention discloses a kind of Face Image Recognition System based on man face geometric size normalization, mainly by processing unit, and the quantity being connected with the processing unit forms for more than one cameras with fixed focus, it is characterized in that, the processing unit includes driving chip U, the on-off circuit being connected with driving chip U, with the driving chip U data transmission modules being connected and data acquisition modular converter, and the human face data acquisition module being connected with driving chip U and cameras with fixed focus.Overall structure of the present invention is very simple, can not only realize man face geometric size normalization processing function, and can also shoot the very high human face image information of definition by cameras with fixed focus.Meanwhile the present invention is used as driving chip using LT1941 type integrated chips, the picture frame treatment effeciency of unit interval can be greatly improved, so as to improve recognition efficiency.
Description
Technical field
The invention belongs to technical field of image processing, in particular to it is a kind of can effectively improve face identification rate based on face
The Face Image Recognition System of geometric size normalization.
Background technology
At present, recognition of face is related to many subjects, including image procossing, computer vision, pattern-recognition etc., also and raw
Of science and biology is closely related to the achievement in research of human brain structure.Recognition of face is mainly relevant with following difficult point：First,
Face caused by age changes；Second, face diversity caused by posture；3rd, face caused by expression is plastically deformed；The
Four, the multiplicity of face pattern caused by the factor such as eyes, cosmetic；5th, the otherness of facial image caused by illumination.
Do not do the work(of the normalized of normal geometry to facial image in general face identification system
Can, and geometric size normalization processing can not only influence the discrimination of recognition of face, can also influence the people in face database
Face visual effect.
The content of the invention
It is an object of the invention to overcome current face identification system not have man face geometric size normalization processing function
The defects of, there is provided a kind of face based on man face geometric size normalization that can realize man face geometric size normalization processing function
Image identification system.
The purpose of the present invention is achieved through the following technical solutions：Facial image identification based on man face geometric size normalization
System, mainly by processing unit, and the quantity being connected with the processing unit forms for more than one cameras with fixed focus, institute
Stating processing unit includes driving chip U, the on-off circuit being connected with driving chip U, and the data being connected with driving chip U pass
Defeated module and data acquisition modular converter, and the human face data acquisition module being connected with driving chip U and cameras with fixed focus.
Further, described on-off circuit is connected by P poles with driving chip U SW pins, N poles are through polar capacitor C1
The diode D1 being grounded afterwards, the resistance R1 that one end is connected with diode D1 N poles, the other end is grounded after resistance R2, one end
It is connected with driving chip U COMP pins, the electric capacity C2 of other end ground connection, one end is connected with driving chip U COMP pins
Connect, the resistance R3 that the other end is grounded after electric capacity C3, one end is connected with driving chip U VIN pins, the electricity of other end ground connection
Hold C5 and polar capacitor C6, the resistance R4 that one end is connected with driving chip U VIN pins, the other end is grounded after resistance R5,
The electric capacity C7 being in parallel with resistance R5, and one end is connected with driving chip U SS pins, the electric capacity C4 groups of other end ground connection
Into；The tie point of the resistance R1 and resistance R2 are also connected with driving chip U FB pins；The data transmission module is with driving
Dynamic chip U S3 pins are connected, and Data collecting conversion module is then connected with driving chip U S2 pins.
In order to ensure using effect, described driving chip U is LT1942 type integrated chips；The human face data gathers mould
Block is face scanning recognition device, and its input is connected with cameras with fixed focus, its output end then S1 pin phases with driving chip U
Connection.
The present invention compared with prior art, has the following advantages that and beneficial effect：
（1）Overall structure of the present invention is very simple, can not only realize man face geometric size normalization processing function, Er Qietong
The very high human face image information of definition can also be shot by crossing cameras with fixed focus.
（2）The present invention is used as driving chip using LT1941 type integrated chips, can greatly improve the figure of unit interval
As frame treatment effeciency, so as to improve recognition efficiency.
（3）The cameras with fixed focus of the present invention can be chosen according to actual conditions, and it is wider using face.
Brief description of the drawings
Fig. 1 is the overall structure diagram of the present invention.
Embodiment
With reference to embodiment and accompanying drawing, the present invention is described in further detail, but embodiments of the present invention are not
It is limited to this.
As shown in figure 1, the Face Image Recognition System based on man face geometric size normalization of the present embodiment includes processing
Unit, and the quantity being connected with the processing unit are more than one cameras with fixed focus.The quantity of cameras with fixed focus is by reality
Border situation is chosen, and the present embodiment preferentially chooses 3 cameras with fixed focus to realize, and be respectively positioned in the eyebrow of human face
At the heart, and left and right cheekbone point.
The processing unit is used for the processing of human body face size and related data information, and it includes driving chip U, with drive
The on-off circuit that dynamic chip U is connected, and the driving chip U data transmission modules being connected and data acquisition modular converter, with
And the human face data acquisition module being connected with driving chip U and cameras with fixed focus.To ensure using effect, driving chip U
Preferentially realized using LT1942 types integrated chip.
Wherein, described on-off circuit includes polar capacitor C1, diode D1, resistance R1, resistance R2, electric capacity C2, resistance
R3, electric capacity C3, electric capacity C4, resistance R4, electric capacity C7, polar capacitor C6, electric capacity C5 and resistance R5.During connection, diode D1 P poles
It is connected with driving chip U SW pins, N poles are grounded after polar capacitor C1；Resistance R1 one end and diode D1 N poles phase
Connection, the other end are grounded after resistance R2；Electric capacity C2 one end is connected with driving chip U COMP pins, other end ground connection；
Resistance R3 one end is connected with driving chip U COMP pins, the other end is grounded after electric capacity C3；Polar capacitor C6 one end
It is connected with driving chip U VIN pins, other end ground connection, meanwhile, electric capacity C5 one end and driving chip U VIN pin phases
Connection, other end ground connection.
Resistance R4 one end is connected with driving chip U COMP pins, and its other end is grounded after resistance R5, electric capacity C7
Then it is in parallel with resistance R5；Electric capacity C4 one end is connected with driving chip U SS pins, other end ground connection.
The tie point of the resistance R1 and resistance R2 are also connected with driving chip U FB pins；The data transfer mould
Block is connected with driving chip U S3 pins, and Data collecting conversion module is then connected with driving chip U S2 pins.
The human face data acquisition module is face scanning recognition device, and its input is connected with cameras with fixed focus, and its is defeated
Go out end then with driving chip U S1 pins to be connected.
As described above, it can preferably realize the present invention.
Claims (3)
1. the Face Image Recognition System based on man face geometric size normalization, mainly by processing unit, and with the processing list
The quantity that member is connected forms for more than one cameras with fixed focus, it is characterised in that the processing unit includes driving chip
U, the on-off circuit being connected with driving chip U, with the driving chip U data transmission modules being connected and data acquisition modulus of conversion
Block, and the human face data acquisition module being connected with driving chip U and cameras with fixed focus；
Described on-off circuit is connected by P poles with driving chip U SW pins, two poles that N poles are grounded after polar capacitor C1
Pipe D1, the resistance R1 that one end is connected with diode D1 N poles, the other end is grounded after resistance R2, one end is with driving chip U's
COMP pins are connected, the electric capacity C2 of other end ground connection, and one end is connected with driving chip U COMP pins, the other end is through electricity
Hold the resistance R3 being grounded after C3, one end is connected with driving chip U VIN pins, the electric capacity C5 of other end ground connection and polarity are electric
Hold C6, the resistance R4 that one end is connected with driving chip U VIN pins, the other end is grounded after resistance R5, with resistance R5 phases simultaneously
The electric capacity C7 of connection, and one end is connected with driving chip U SS pins, the electric capacity C4 compositions of other end ground connection；The resistance
FB pin of R1 and resistance the R2 tie point also with driving chip U is connected；The S3 of the data transmission module and driving chip U
Pin is connected, and Data collecting conversion module is then connected with driving chip U S2 pins.
2. the Face Image Recognition System according to claim 1 based on man face geometric size normalization, it is characterised in that
Described driving chip U is LT1942 type integrated chips.
3. the Face Image Recognition System according to claim 2 based on man face geometric size normalization, it is characterised in that
The human face data acquisition module is face scanning recognition device, and its input is connected with cameras with fixed focus, its output end then with
Driving chip U S1 pins are connected.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410313732.6A CN104102916B (en) | 2014-07-03 | 2014-07-03 | Face Image Recognition System based on man face geometric size normalization |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410313732.6A CN104102916B (en) | 2014-07-03 | 2014-07-03 | Face Image Recognition System based on man face geometric size normalization |
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| CN104102916A CN104102916A (en) | 2014-10-15 |
| CN104102916B true CN104102916B (en) | 2017-12-01 |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101246543A (en) * | 2008-03-18 | 2008-08-20 | 苏州纳米技术与纳米仿生研究所 | Examiner identity appraising system based on bionic and biological characteristic recognition |
| CN101620723A (en) * | 2009-08-03 | 2010-01-06 | 东莞市三姆森光电科技有限公司 | Offline intelligent image information processing method and intelligent image information processing system |
| US7961953B2 (en) * | 2007-06-25 | 2011-06-14 | Hitachi, Ltd. | Image monitoring system |
| CN103034880A (en) * | 2012-12-14 | 2013-04-10 | 上海第二工业大学 | Examination identity authentication system and identity authentication method based on face recognition |
-
2014
- 2014-07-03 CN CN201410313732.6A patent/CN104102916B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7961953B2 (en) * | 2007-06-25 | 2011-06-14 | Hitachi, Ltd. | Image monitoring system |
| CN101246543A (en) * | 2008-03-18 | 2008-08-20 | 苏州纳米技术与纳米仿生研究所 | Examiner identity appraising system based on bionic and biological characteristic recognition |
| CN101620723A (en) * | 2009-08-03 | 2010-01-06 | 东莞市三姆森光电科技有限公司 | Offline intelligent image information processing method and intelligent image information processing system |
| CN103034880A (en) * | 2012-12-14 | 2013-04-10 | 上海第二工业大学 | Examination identity authentication system and identity authentication method based on face recognition |
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| CN104102916A (en) | 2014-10-15 |
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Effective date of registration: 20220805 Address after: Building F, Phoenix Science and Technology Pioneer Park, No. 14 Fenghuang Avenue, Fenghuang Town, Zhangjiagang City, Suzhou City, Jiangsu Province 215612 Patentee after: Jiangsu Xingluo Dossier Intelligent Technology Co., Ltd. Address before: 215600 room a1309, 109 Shazhou West Road, yangshe Town, Zhangjiagang City, Suzhou City, Jiangsu Province Patentee before: Suzhou yifanghua Intellectual Property Operation Co.,Ltd. |