CN104866848B - A kind of infrared imaging image identification system based on preposition enhanced processing - Google Patents

A kind of infrared imaging image identification system based on preposition enhanced processing Download PDF

Info

Publication number
CN104866848B
CN104866848B CN201510292556.7A CN201510292556A CN104866848B CN 104866848 B CN104866848 B CN 104866848B CN 201510292556 A CN201510292556 A CN 201510292556A CN 104866848 B CN104866848 B CN 104866848B
Authority
CN
China
Prior art keywords
resistance
triode
capacitance
pins
chip
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN201510292556.7A
Other languages
Chinese (zh)
Other versions
CN104866848A (en
Inventor
刘霖
刘永
邱会中
杨先明
张晓奕
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
SUZHOU COFFMAN MACHINERY Co.,Ltd.
Original Assignee
Ningbo Momi Innovation Works Electronic Technology Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Ningbo Momi Innovation Works Electronic Technology Co Ltd filed Critical Ningbo Momi Innovation Works Electronic Technology Co Ltd
Priority to CN201510292556.7A priority Critical patent/CN104866848B/en
Publication of CN104866848A publication Critical patent/CN104866848A/en
Application granted granted Critical
Publication of CN104866848B publication Critical patent/CN104866848B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06VIMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V10/00Arrangements for image or video recognition or understanding
    • G06V10/10Image acquisition
    • G06V10/12Details of acquisition arrangements; Constructional details thereof
    • G06V10/14Optical characteristics of the device performing the acquisition or on the illumination arrangements
    • G06V10/147Details of sensors, e.g. sensor lenses

Abstract

The invention discloses a kind of infrared imaging image identification systems based on preposition enhanced processing, by infrared imaging system (1), image identification system (2) composition being connected with infrared imaging system (1);The infrared imaging system (1) is by infrared light supply (11), the optical system (12) being connected with infrared light supply (11), the sweep mechanism (13) being connected with optical system (12), the infrared detector (14) being connected with sweep mechanism (13), the image capture module (15) being connected with infrared detector (14), pre-amplification circuit (16) composition being connected with image capture module (15);The present invention can be amplified picture signal with distortionless, amplified image is more clear, and further improves the accuracy of identification of the present invention by pre-amplification circuit.

Description

A kind of infrared imaging image identification system based on preposition enhanced processing
Technical field
The present invention relates to a kind of image identification system, in particular to a kind of infrared imaging images based on preposition enhanced processing Identifying system.
Background technology
In order to differentiate user's identity or in order to which security consideration is in some cases current safety using monitoring system The usual way ensured.Traditional way is that monitoring system is set password, which only has specific people to know.So And if password leaks, other users can be carried out the system, can equally reduce safety.Some signs of people are It can not replicate, so developing very using the sign of people, fingerprint or face as the biological recognition system for judging user's identity Soon.
Wherein, a hot issue of the face recognition technology as field of biological recognition, many research institutions and company are all Research and corresponding product development are carried out, and had investigated a variety of face recognition algorithms in positive.Known using face Other algorithm progress recognition of face is high so as to carry out the accuracy rate of identity judgement, and many products are attained by more than 90% identification Rate.But the product of various algorithms cannot all adapt to the variation of illumination completely at present, that is to say, that meeting after ambient lighting changes Discrimination is caused to reduce.Internal authority test (FRVT2002) shows that discrimination is reduced to by the variation of illumination from more than 97% 50% or so.To solve the above-mentioned problems, there is a kind of new processing method, i.e., the people or object that enter monitoring region are carried out Radiation of visible light, increases its brightness, and this method can neutralize the variation of a part of ambient light.However it can not be significantly Ectocine is eliminated, meanwhile, increase the discomfort that visible fill-in light causes user again.Therefore existing product is only used for without certainly The occasion of the light environments that immobilize such as inner passage, the basement of right light interference, causes application range to be restricted.Therefore, There is provided one kind can inhibit extraneous natural light to influence, and the image identification system of strong applicability is then the current task of top priority.
Invention content
It is an object of the invention to overcome traditional image identification system at present can not inhibit extraneous natural light influence and The defects of causing accuracy of identification low provides a kind of infrared imaging image identification system based on preposition enhanced processing.
The purpose of the present invention is achieved through the following technical solutions:A kind of infrared imaging image based on preposition enhanced processing is known Other system, by infrared imaging system, the image identification system composition being connected with infrared imaging system;The infrared imaging System is by infrared light supply, the optical system being connected with infrared light supply, the sweep mechanism being connected with optical system, with scanning machine The infrared detector that structure is connected and the image capture module composition being connected with infrared detector;And the image is known Other system is then by central processing module, the image processing system being connected with central processing module, display, alarm and storage Device forms.In order to reach the purpose of the present invention, the infrared imaging system is additionally provided with what is be connected with image capture module Pre-amplification circuit.
Further, the pre-amplification circuit is then by amplification chip U1, triode Q5, field-effect tube MOS1, resistance R17, diode D3, resistance R18, resistance R15, resistance R19, cathode are connected after resistance R17 with the IN pins of amplification chip U1 Connect, anode is then as the capacitance C14 of the input terminal of the pre-amplification circuit, anode is connected with the cathode of capacitance C14, cathode then The capacitance C15 being sequentially connected after diode D3 and resistance R18 with the VCC pins of amplification chip U1, anode is after resistance R15 It is connected with the NF pins of amplification chip U1, the capacitance that cathode is then connected after resistance R19 with the source electrode of field-effect tube MOS1 C13, while one end is connected with the NF pins of amplification chip U1, the other end is then connected with the GND pins of amplification chip U1 The resistance R16 of ground connection, anode is connected with the NSC pins of amplification chip U1, emitter of the cathode then with triode Q5 is connected Capacitance C16 and N poles be connected with the emitter of triode Q5, two that P poles are then connected with the drain electrode of field-effect tube MOS1 Pole pipe D4 is formed;The base stage of the triode Q5 is connected with the OUT pins of amplification chip U1, its emitter is grounded, its current collection Pole is then connected with the ALC pins of amplification chip U1;The grid of the field-effect tube MOS1 then with the collector phase of triode Q5 Connection;The emitter of the triode Q5 is also as the output terminal of the pre-amplification circuit.
The image processing system is then by signal input circuit, the signal processing electricity being connected with signal input circuit Road and the trigger circuit being connected with signal processing circuit and tuning circuit composition.
The signal input circuit is connected by triode Q1, resistance R2, resistance R1, one end with the base stage of triode Q1 It connects, the resistance R3 that the other end is then sequentially connected after resistance R2 and resistance R1 with the emitter of triode Q1, anode and three poles The emitter of pipe Q1 is connected, cathode ground connection capacitance C1 and anode be connected with the collector of triode Q1, cathode then with The capacitance C2 compositions being grounded while signal processing circuit is connected;The emitter and signal processing circuit of the triode Q1 It is connected.
The signal processing circuit is by processing chip U, capacitance C3, resistance R5, and capacitance C5, P pole is with processing chip U's The diode D1 that SW1 pins are connected, N poles are then grounded after capacitance C3, one end is connected with the N poles of diode D1, the other end The resistance R4 being grounded while being then connected after resistance R5 with the GND pins of processing chip U, anode is with processing chip U's CTRL pins are connected, the capacitance C4 of cathode ground connection, and one end is connected with the CTRL pins of processing chip U, the other end is then through electricity Hold the resistance R6 being grounded after C5, anode is connected with the SS pins of processing chip U, the capacitance that cathode is then connected with trigger circuit C6 and the resistance R7 compositions that one end is connected with the PGOOD pins of processing chip U, the other end is then connected with tuning circuit; The VIN pins of the processing chip U are connected with the emitter of triode Q1, its FB pin then company with resistance R4 and resistance R5 Contact is connected, its CTRL pin is then connected with the cathode of capacitance C2, its SHDN pin is then connected with trigger circuit.
The trigger circuit is by flip chip K, triode Q4, capacitance C12, capacitance C11, one end and the base of triode Q4 The resistance R12 that pole is connected, the other end is then connected with the OUT pins of flip chip K, one end and the emitter phase of triode Q4 It connects, the resistance R14 that the other end is then connected after capacitance C12 with the GND pins of flip chip K and one end are with triggering core The resistance R13 compositions that the LX pins of piece K are connected, the other end is then connected after capacitance C11 with the FB pins of flip chip K; The IN pins of the flip chip K are connected with the SHDN pins of processing chip U, its cathode of EN pins then with capacitance C6 is connected It connects, its GND pin ground connection;The collector of the triode Q4 is then connected with tuning circuit.
The tuning circuit by triode Q2, triode Q3, inductance L1, resistance R8, capacitance C8, resistance R9, resistance R7, N poles are sequentially connected after inductance L1 and resistance R8 with the collector of triode Q2, P poles are then after capacitance C8 with triode Q3's The varactor D2 that emitter is connected, one end is connected with the P poles of varactor D2, the other end then connects -15V voltages Resistance R11, the capacitance C9 that anode is connected with the P poles of varactor D2, cathode is then connected with the collector of triode Q4, The tunable capacitor C10 that anode is connected with the emitter of triode Q3, cathode is then grounded, one end and the emitter phase of triode Q2 Connection, the other end are then followed by the inductance L2 of+15V voltages through resistance R9, anode is connected with the tie point of inductance L2 and resistance R9, The capacitance C7 and one end is connected with the anode of capacitance C7, base stage of the other end then with triode Q3 is connected that cathode is grounded Resistance R10 composition;The base stage of the triode Q2 is connected after resistance R7 with the PGOOD pins of processing chip U, and three poles The collector of pipe Q3 is then grounded.
In order to ensure effect, the processing chip U is preferably LT1942 integrated circuits, and flip chip K is preferably then EMD2050 integrated circuits, amplification chip U1 are preferably then MC2830 integrated circuits to realize.
The present invention compared with the prior art, has the following advantages and advantageous effect:
(1) present invention can largely inhibit optical content in natural light, adapt to night, daytime, and side, inverse, positive light etc. are more The use of changing environment substantially increases the application scenario of the present invention.
(2) present invention captures target using infrared imaging principle, therefore it is not easily susceptible to extraneous factor interference, and The abundant information of acquisition largely improves the accuracy of image identification system.
(3) the more traditional image acquisition device of image-forming range of the invention is remote, when being applied in access control system such as the present invention, It is identified to face is in close proximity can to carry out man face image acquiring as being then not required to, identification process is made more to clean, health.
(4) recognition speed of the present invention is fast, meets the demand of the fast pace life of current people.
(5) present invention is provided with pre-amplification circuit, picture signal can be amplified with distortionless, amplified Image is more clear, and further improves the accuracy of identification of the present invention.
Description of the drawings
Fig. 1 is the overall structure diagram of the present invention.
Fig. 2 is the image processing system electrical block diagram of the present invention.
Fig. 3 is the pre-amplification circuit structure diagram of the present invention.
Specific embodiment
The present invention is described in further detail, but the implementation of the present invention is not limited to this with reference to embodiment.
Embodiment
As shown in Figure 1, of the invention by infrared imaging system 1, the image identification system 2 being connected with infrared imaging system 1 Composition.The infrared imaging system 1 is used to be acquired the picture signal for being identified object, and infrared by infrared light supply 11 The optical system 12 that light source 11 is connected, the sweep mechanism 13 being connected with optical system 12 are connected with sweep mechanism 13 Infrared detector 14, the image capture module 15 being connected with infrared detector 14 and is connected with image capture module 15 Pre-amplification circuit 16 form.
Wherein, for infrared light supply 11 for sending out near infrared light, which is narrow light beam, can make to be identified Target protrudes in visual field to be come, it is made to form big contrast with background, it is hereby achieved that more clearly image, makes the present invention It can be applied to night-environment.When infrared illumination is mapped to identified target, identified target can reflect infrared light, and The infrared light carries out optically filtering through optical system 12 again.And sweep mechanism 13 then receives the infrared light after optically filtering Collection, and it is conveyed to infrared detector 14.The infrared detector 14 is then used to infrared radiation signal be transformed into electric signal output, and Image capture module 15 is then used to the sightless signal of human eye being transformed into corresponding digital picture.Pre-amplification circuit 16 is then used In carrying out distortionless amplification, and be conveyed to image identification system 2 to digital picture.
The infrared light supply 1 is realized using existing infrared light-emitting diode, and infrared detector 14 is then preferential using wide The WS-600HW types infrared detector of state city Ai Li electron riches Science and Technology Ltd.s production realizes, the infrared detector of the model Operating temperature range for -10 DEG C~+50 DEG C, and detection range is remote.And optical system 12 and sweep mechanism 13 and image are adopted Collection module 15 then can be realized using existing technology.
Image identification system 2 is then used to that 1 the image collected of the infrared imaging system to be identified.It is by centre Manage module 21, the image processing system 22 being connected with central processing module 21, display 23, alarm 24 and memory 25 Composition.
Wherein, control centre of the central processing module 21 as the image identification system 2, use existing microcontroller come It realizes.Display 23 is then for showing the image of identified target, and memory 25 is then for the figure of storage measured target in advance Picture.When image identification system 2 receives the realtime graphic of measured target, memory 25 then can be advance the image and its inside The measured target image of storage is compared, if comparison is unsuccessful, memory 25 ifs can send a signal to central processing module 21, it is allowed to start alarm 24 and is alarmed.And image processing system 22 makes image more then for handling data image It is clear to add.
As shown in Fig. 2, the image processing system 22 is then by signal input circuit, the signal being connected with signal input circuit Processing circuit and the trigger circuit being connected with signal processing circuit and tuning circuit composition.
Wherein, signal input circuit is by triode Q1, and one end is connected with the base stage of triode Q1, the other end then sequentially passes through The resistance R3 being connected after resistance R2 and resistance R1 with the emitter of triode Q1, anode are connected with the emitter of triode Q1 Connect, cathode ground connection capacitance C1 and anode is connected with the collector of triode Q1, cathode is then connected with signal processing circuit The capacitance C2 compositions being grounded while connecing.The emitter of the triode Q1 is connected with signal processing circuit.
And signal processing circuit is by processing chip U, resistance R4, resistance R5, resistance R6, resistance R7, capacitance C3, capacitance C4, Capacitance C5, capacitance C6 and diode D1 are formed.
During connection, the P poles of diode D1 are connected with the SW1 pins of processing chip U, its N pole is then followed by through capacitance C3 Ground, one end of resistance R4 is connected with the N poles of diode D1, its other end then after resistance R5 with the GND pins of processing chip U It is grounded while being connected, the anode of capacitance C4 is connected with the CTRL pins of processing chip U, its cathode is grounded, resistance R6's One end is connected with the CTRL pins of processing chip U, its other end is then grounded after capacitance C5, anode and the processing core of capacitance C6 The SS pins of piece U are connected, its cathode is then connected with trigger circuit, one end of resistance R7 and the PGOOD pins of processing chip U It is connected, its other end is then connected with tuning circuit.
Meanwhile the VIN pins of the processing chip U are connected with the emitter of triode Q1, its FB pin then with resistance The tie point of R4 and resistance R5 are connected, its CTRL pin is then connected with the cathode of capacitance C2, its SHDN pin then with triggering Circuit is connected.In order to ensure implementation result, processing chip U is preferentially realized using LT1942 integrated circuits.
Trigger circuit is then by flip chip K, triode Q4, resistance R12, resistance R13, resistance R14, capacitance C11 and electricity Hold C12 compositions.During connection, one end of resistance R12 is connected with the base stage of triode Q4, its other end then with flip chip K OUT pins be connected, one end of resistance R14 is connected with the emitter of triode Q4, its other end then after capacitance C12 with The GND pins of flip chip K are connected, and one end of resistance R13 is connected with the LX pins of flip chip K, its other end then passes through It is connected after capacitance C11 with the FB pins of flip chip K.The IN pins of the flip chip K and the SHDN pins of processing chip U It is connected, its EN pin is then connected with the cathode of capacitance C6, its GND pin ground connection;The collector of the triode Q4 then with Tuning circuit is connected.In order to preferably implement the present invention, flip chip K is preferably EMD2050 integrated circuits to realize.
Tuning circuit can be such that image more stablizes, and image is identified conducive to the present invention, by triode Q2, three poles Pipe Q3, N poles are sequentially connected after inductance L1 and resistance R8 with the collector of triode Q2, P poles then after capacitance C8 with three poles The varactor D2 that the emitter of pipe Q3 is connected, one end is connected with the P poles of varactor D2, the other end then meets -15V The resistance R11 of voltage, anode is connected with the P poles of varactor D2, cathode is then connected with the collector of triode Q4 Capacitance C9, the tunable capacitor C10 that anode is connected with the emitter of triode Q3, cathode is then grounded, one end is with triode Q2's Emitter is connected, the other end is then followed by the inductance L2 of+15V voltages through resistance R9, the connection of anode and inductance L2 and resistance R9 Point is connected, the capacitance C7 of cathode ground connection and one end are connected with the anode of capacitance C7, the other end then base with triode Q3 The resistance R10 compositions that pole is connected.The base stage of the triode Q2 is connected after resistance R7 with the PGOOD pins of processing chip U It connects, and the collector of triode Q3 is then grounded.
Pre-amplification circuit 16 is then for where the emphasis of the present invention, as shown in figure 3, it is by amplification chip U1, triode Q5, Field-effect tube MOS1, resistance R15, resistance R16, resistance R17, resistance R18, resistance R19, capacitance C13, capacitance C14, capacitance C15, Capacitance C16, diode D3 and diode D4 are formed.
During connection, the cathode of capacitance C14 is connected after resistance R17 with the IN pins of amplification chip U1, its anode is then made For the input terminal of the pre-amplification circuit 16, the anode of capacitance C15 is connected with the cathode of capacitance C14, its cathode then sequentially passes through Be connected after diode D3 and resistance R18 with the VCC pins of amplification chip U1, the anode of capacitance C13 after resistance R15 with amplification The NF pins of chip U1 are connected, source electrode of its cathode then with field-effect tube MOS1 after resistance R19 is connected, resistance R16's It is connect while one end is connected with the NF pins of amplification chip U1, its other end is then connected with the GND pins of amplification chip U1 Ground, the anode of capacitance C16 is connected with the NSC pins of amplification chip U1, emitter of its cathode then with triode Q5 is connected, The N poles of diode D4 are connected with the emitter of triode Q5, its drain electrode of P poles then with field-effect tube MOS1 is connected.
The base stage of the triode Q5 is connected with the OUT pins of amplification chip U1, its emitter ground connection, its collector then It is connected with the ALC pins of amplification chip U1.Collector of the grid of the field-effect tube MOS1 then with triode Q5 is connected. The emitter of the triode Q5 is also as 16 output terminal of the pre-amplification circuit.
The amplifier formed after picture signal conveying is come in through amplification chip U1, resistance R17 and resistance R16 carries out Amplification, amplified picture signal are handled by triode Q5, diode D4 and MOS1 the signal lock frequency circuit formed, So as to which the picture signal for being exported the pre-amplification circuit is more clear.And capacitance C13 and capacitance C14 can then suppress fluctuation Voltage avoids fluctuation voltage from impacting picture signal.In order to reach better implementation result, amplification chip U1 is preferably MC2830 integrated circuits are realized.
As described above, the present invention can be realized well.

Claims (8)

1. a kind of infrared imaging image identification system based on preposition enhanced processing, by infrared imaging system (1), with it is infrared into Image identification system (2) composition being connected as system (1);The infrared imaging system (1) is and red by infrared light supply (11) The optical system (12) that outer light source (11) is connected, the sweep mechanism (13) being connected with optical system (12), with sweep mechanism (13) infrared detector (14) being connected and the image capture module (15) being connected with infrared detector (14) composition; And the image identification system (2) is then by central processing module (21), at the image being connected with central processing module (21) Reason system (22), display (23), alarm (24) and memory (25) composition;It is characterized in that:The infrared imaging System (1) further includes the pre-amplification circuit (16) being connected with image capture module (15);The pre-amplification circuit (16) then by amplification chip U1, triode Q5, field-effect tube MOS1, resistance R17, diode D3, resistance R18, resistance R15, electricity R19 is hindered, cathode is connected after resistance R17 with the IN pins of amplification chip U1, anode is then used as the pre-amplification circuit (16) Input terminal capacitance C14, anode is connected with the cathode of capacitance C14, cathode then sequentially after diode D3 and resistance R18 with The capacitance C15 that the VCC pins of amplification chip U1 are connected, anode is connected after resistance R15 with the NF pins of amplification chip U1, The capacitance C13 that cathode is then connected after resistance R19 with the source electrode of field-effect tube MOS1, one end and the NF pins of amplification chip U1 The resistance R16 for being connected, being grounded while the other end is then connected with the GND pins of amplification chip U1, anode and amplification chip The capacitance C16 and N poles that the NSC pins of U1 are connected, cathode is then connected with the emitter of triode Q5 are with triode Q5's The diode D4 compositions that emitter is connected, P poles are then connected with the drain electrode of field-effect tube MOS1;The base stage of the triode Q5 It is connected with the OUT pins of amplification chip U1, its emitter is grounded, its collector is then connected with the ALC pins of amplification chip U1 It connects;Collector of the grid of the field-effect tube MOS1 then with triode Q5 is connected;The emitter of the triode Q5 is also made Output terminal for the pre-amplification circuit (16).
2. a kind of infrared imaging image identification system based on preposition enhanced processing according to claim 1, feature exist In:The image processing system (22) is then by signal input circuit, the signal processing circuit being connected with signal input circuit, And trigger circuit and the tuning circuit composition being connected with signal processing circuit;The signal input circuit is by triode Q1, resistance R2, resistance R1, one end is connected with the base stage of triode Q1, the other end then sequentially after resistance R2 and resistance R1 with The resistance R3 that the emitter of triode Q1 is connected, anode is connected with the emitter of triode Q1, the capacitance C1 of cathode ground connection, And the capacitance C2 being grounded while anode is connected with the collector of triode Q1, cathode is then connected with signal processing circuit Composition;The emitter of the triode Q1 is connected with signal processing circuit.
3. a kind of infrared imaging image identification system based on preposition enhanced processing according to claim 2, feature exist In:The signal processing circuit is by processing chip U, capacitance C3, resistance R5, capacitance C5, P pole and the SW1 pins of processing chip U It is connected, the diode D1 that N poles are then grounded after capacitance C3, one end is connected with the N poles of diode D1, the other end is then through resistance The resistance R4 being grounded while being connected after R5 with the GND pins of processing chip U, the CTRL pin phases of anode and processing chip U Connection, the capacitance C4 of cathode ground connection, one end is connected with the CTRL pins of processing chip U, the other end is then grounded after capacitance C5 Resistance R6, the capacitance C6, Yi Jiyi that anode is connected with the SS pins of processing chip U, cathode is then connected with trigger circuit The resistance R7 compositions that end is connected with the PGOOD pins of processing chip U, the other end is then connected with tuning circuit;The processing The VIN pins of chip U are connected with the emitter of triode Q1, its tie point of FB pins then with resistance R4 and resistance R5 is connected It connects, its CTRL pin is then connected with the cathode of capacitance C2, its SHDN pin is then connected with trigger circuit.
4. a kind of infrared imaging image identification system based on preposition enhanced processing according to claim 3, feature exist In:The trigger circuit is by flip chip K, triode Q4, capacitance C12, capacitance C11, one end and the base stage phase of triode Q4 The resistance R12 that connection, the other end are then connected with the OUT pins of flip chip K, one end is connected with the emitter of triode Q4 It connects, the resistance R14 that the other end is then connected after capacitance C12 with the GND pins of flip chip K and one end and flip chip K LX pins be connected, resistance R13 that the other end is then connected after capacitance C11 with the FB pins of flip chip K composition;It is described The IN pins of flip chip K are connected with the SHDN pins of processing chip U, its EN pin is then connected with the cathode of capacitance C6, Its GND pin is grounded;The collector of the triode Q4 is then connected with tuning circuit.
5. a kind of infrared imaging image identification system based on preposition enhanced processing according to claim 4, feature exist In:The tuning circuit is by triode Q2, triode Q3, inductance L1, and resistance R8, capacitance C8, resistance R9, resistance R7, N are extremely suitable It is secondary be connected after inductance L1 and resistance R8 with the collector of triode Q2, the then transmitting after capacitance C8 with triode Q3 of P poles The varactor D2 that pole is connected, one end is connected with the P poles of varactor D2, the other end then connects the resistance of -15V voltages R11, the capacitance C9 that anode is connected with the P poles of varactor D2, cathode is then connected with the collector of triode Q4, anode It is connected with the emitter of triode Q3, the tunable capacitor C10 that cathode is then grounded, one end is connected with the emitter of triode Q2 Connect, the other end is then followed by the inductance L2 of+15V voltages through resistance R9, anode is connected with the tie point of inductance L2 and resistance R9, bears The capacitance C7 and one end is connected with the anode of capacitance C7, the other end is then connected with the base stage of triode Q3 that pole is grounded Resistance R10 is formed;The base stage of the triode Q2 is connected after resistance R7 with the PGOOD pins of processing chip U, and triode The collector of Q3 is then grounded.
6. according to a kind of infrared imaging image identification system based on preposition enhanced processing of claim 3~5 any one of them, It is characterized in that:The processing chip U is LT1942 integrated circuits.
7. a kind of infrared imaging image identification system based on preposition enhanced processing according to claim 4 or 5, feature It is:The flip chip K is EMD2050 integrated circuits.
8. according to a kind of infrared imaging image identification system based on preposition enhanced processing of Claims 1 to 5 any one of them, It is characterized in that:The amplification chip U1 is MC2830 integrated circuits.
CN201510292556.7A 2015-05-30 2015-05-30 A kind of infrared imaging image identification system based on preposition enhanced processing Active CN104866848B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201510292556.7A CN104866848B (en) 2015-05-30 2015-05-30 A kind of infrared imaging image identification system based on preposition enhanced processing

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201510292556.7A CN104866848B (en) 2015-05-30 2015-05-30 A kind of infrared imaging image identification system based on preposition enhanced processing

Publications (2)

Publication Number Publication Date
CN104866848A CN104866848A (en) 2015-08-26
CN104866848B true CN104866848B (en) 2018-06-26

Family

ID=53912669

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201510292556.7A Active CN104866848B (en) 2015-05-30 2015-05-30 A kind of infrared imaging image identification system based on preposition enhanced processing

Country Status (1)

Country Link
CN (1) CN104866848B (en)

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2421779Y (en) * 1999-12-30 2001-02-28 四川省新普电子有限责任公司 Infrared sound teaching examination device
WO2005072358A2 (en) * 2004-01-28 2005-08-11 Canesta, Inc. Single chip red, green, blue, distance (rgb-z) sensor
CN103975577A (en) * 2011-10-07 2014-08-06 菲力尔系统公司 Smart surveillance camera systems and methods
CN204028938U (en) * 2014-07-03 2014-12-17 宁波摩米创新工场电子科技有限公司 A kind of rapid image recognition system
CN104217480A (en) * 2014-08-29 2014-12-17 华南理工大学 Intelligent entrance guard system based on fingerprint and finger vein joint recognition
CN204190826U (en) * 2014-10-18 2015-03-04 成都实瑞达科技有限公司 A kind of trigger-type graphic system

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2421779Y (en) * 1999-12-30 2001-02-28 四川省新普电子有限责任公司 Infrared sound teaching examination device
WO2005072358A2 (en) * 2004-01-28 2005-08-11 Canesta, Inc. Single chip red, green, blue, distance (rgb-z) sensor
CN103975577A (en) * 2011-10-07 2014-08-06 菲力尔系统公司 Smart surveillance camera systems and methods
CN204028938U (en) * 2014-07-03 2014-12-17 宁波摩米创新工场电子科技有限公司 A kind of rapid image recognition system
CN104217480A (en) * 2014-08-29 2014-12-17 华南理工大学 Intelligent entrance guard system based on fingerprint and finger vein joint recognition
CN204190826U (en) * 2014-10-18 2015-03-04 成都实瑞达科技有限公司 A kind of trigger-type graphic system

Also Published As

Publication number Publication date
CN104866848A (en) 2015-08-26

Similar Documents

Publication Publication Date Title
WO2017156964A1 (en) Terminal unlocking method and terminal
US20150055879A1 (en) Method, Server and System for Setting Background Image
CN205490915U (en) Power saving intelligence cat eye
CN106878668A (en) Mobile detection to object
CN207665104U (en) Security monitoring device based on recognition of face
CN104881654B (en) A kind of preposition amplifying type infrared imaging image identification system based on noise reduction process
CN105389880A (en) Control method for multifunctional intelligent access control system
CN104459457A (en) Infrared and ultraviolet dual-path imaging power detector
CN107248091A (en) A kind of recognition of face interactive marketing system
CN103167340B (en) Intelligent television gesture recognition system and recognition methods thereof
CN116156708A (en) Desk lamp illumination control method and device, electronic equipment and storage medium
CN104866848B (en) A kind of infrared imaging image identification system based on preposition enhanced processing
CN110517440A (en) Intelligent monitoring early warning system and method based on satellite remote sensing system
CN102609685B (en) Shadowing judging method of image type fire detector
CN110324589A (en) A kind of monitoring system and method for tourist attraction
CN104866836B (en) A kind of image identification system based on infrared imaging
CN106547396B (en) A method of improving the anti-instantaneous strong light interference of optical touch control system
CN205665765U (en) Vein identification access control system
CN104881653B (en) A kind of preposition amplifying type infrared imaging image identification system based on Linear Driving
CN201654933U (en) Infrared associative recognition alarm system
CN206878982U (en) A kind of integrated network high-definition monitoring system with display screen
CN105072738A (en) Distributed intelligent lighting and security control system and control method based on visual sense
CN102914936B (en) The control method of projector and device
CN105025232A (en) Pre-amplifying infrared imaging image identification system based on analog-to-digital conversion
CN204392424U (en) A kind of infrared trigger-type digital supervision video recording system

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
EXSB Decision made by sipo to initiate substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant
TR01 Transfer of patent right

Effective date of registration: 20201225

Address after: 215600 building B, Aikang building, No.5 Binhe Road, yangshe Town, Zhangjiagang City, Suzhou City, Jiangsu Province

Patentee after: SUZHOU COFFMAN MACHINERY Co.,Ltd.

Address before: Room 505 and 510, No. 298, bachelor Road, Yinzhou District, Ningbo City, Zhejiang Province

Patentee before: NINGBO MOMI INNOVATION WORKS ELECTRONIC TECHNOLOGY Co.,Ltd.

TR01 Transfer of patent right