CN104700351B - A kind of high-precision image processing system based on Image Coding processing - Google Patents
A kind of high-precision image processing system based on Image Coding processing Download PDFInfo
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Abstract
The invention discloses a kind of high-precision image processing system based on Image Coding processing, including image acquisition device（1）, signal de-noising processing module（3）, with signal de-noising processing module（3）The signal-corecting module being connected（4）, with signal-corecting module（4）The signal conversion module being connected（5）, with signal conversion module（5）The signal amplification module being connected（6）, with signal amplification module（6）The signal identification module being connected（7）, and with signal identification module（7）The memory module being connected（8）And display module（9）；It is characterized in that：In image acquisition device（1）With signal de-noising processing module（3）Between be additionally provided with Image Coding processing module（2）；The present invention view data can be compressed by the effect of Image Coding processing module, the signal data transporting velocity after compression faster so that image processing system processing speed improve 30%.
Description
Technical field
At a kind of image processing system, in particular to a kind of high precision image based on Image Coding processing
Reason system.
Background technology
At present, develop with the technology of face identification system, face face texture is believed as the open-authentication of gate control system
Breath, it is because there is the characteristics of non-reproduction and uniqueness to be widely used by people.Needed in face recognition process
The facial image collected is handled, so that more accurately introduction personnel can be identified for face identification system.
However, when needing view data to be processed very huge, the processing speed of traditional image processing system is very slow, and efficiency is very low,
It can not keep up with that current people are efficient, quick rhythm of life.
The content of the invention
It is an object of the invention to overcome the defects of current image processing system processing speed is slow, efficiency is low, there is provided one
High-precision image processing system of the kind based on Image Coding processing.
The purpose of the present invention is realized with following technical scheme：A kind of high-precision image processing system based on Image Coding processing
System, including image acquisition device, signal de-noising processing module, the signal-corecting module being connected with signal de-noising processing module, with
The signal conversion module that signal-corecting module is connected, the signal amplification module being connected with signal conversion module, puts with signal
The signal identification module that big module is connected, and the memory module and display module being connected with signal identification module；Scheming
As being additionally provided with Image Coding processing module between collector and signal de-noising processing module.
Further, described Image Coding processing module is by process chip U2, triode VT8, triode VT9, three poles
Pipe VT10, amplifier P1, N pole is grounded after electric capacity C16, P poles are connected after resistance R25 with process chip U2 THRE pins
Diode D11, one end is connected with process chip U2 COMP pins, the other end ground connection resistance R26, N pole with processing core
The diode D10 that piece U2 C-R pins are connected, P poles are connected after electric capacity C17 with triode VT9 base stage, and negative pole
It is connected with triode VT10 base stage, the electric capacity C18 groups that positive pole is connected after resistance R27 with triode VT9 emitter stage
Into；The positive pole of the amplifier P1 is connected with resistance R27 and electric capacity C18 tie point, negative pole ground connection, output end and triode
VT10 base stage is connected, the colelctor electrode of grounded collector, base stage and the emitter stage of the triode VT10 with triode VT9
It is connected, triode VT8 base stage is connected with process chip U2 R/C pins, grounded collector, emitter stage and diode
D11 N poles are connected, and the VS pins and COMP pins of the process chip U2 are connected with diode D11 P poles, F-O pipes
Ground connection, C-O pins are connected with triode VT9 base stage while pin and GND pins are connected with diode D10 P poles.
Described signal amplification module is by triode VT6, triode VT7, unidirectional thyristor D8, negative pole and triode VT6
Base stage be connected, electric capacity C12 of the positive pole as the input of circuit one；One end is connected with triode VT7 colelctor electrode, is another
Hold the resistance R20 being connected after resistance R21 and resistance R22 with triode VT6 emitter stage, one end and triode VT7 collection
Resistance R23, the N pole that electrode is connected, the other end is connected with triode VT6 colelctor electrode is connected with triode VT7 base stage
Connect, the control of diode D7, N pole that P poles are connected with triode VT6 colelctor electrode after electric capacity C14 with unidirectional thyristor D8
The diode D9 that pole is connected, P poles are connected with resistance R21 and resistance R22 tie point, the transmitting of positive pole and triode VT6
The electric capacity C13 that pole is connected, negative pole is extremely connected with diode D9 P, positive pole is connected with triode VT7 colelctor electrode, negative pole
The electric capacity C15 compositions being connected after resistance R24 with diode D9 N poles；Described triode VT6 base stage and resistance R20
It is connected with resistance R21 tie point, emitter stage is connected with triode VT7 emitter stage, triode VT7 emitter stage and list
It is connected to IGCT D8 P poles, unidirectional thyristor D8 N poles are connected with electric capacity C15 and resistance R24 tie point.
Described signal conversion module is by front end input circuit, the signaling conversion circuit being connected with front end input circuit,
The drive circuit being connected with signaling conversion circuit, and the output circuit composition being connected with drive circuit.
Described front end input circuit is by triode VT1, NAND gate Q1, NAND gate Q2, one end and triode VT1 current collection
Resistance R1, the N pole that pole is connected, the other end is connected with NAND gate Q1 negative pole is connected with triode VT1 colelctor electrode, P
The voltage-regulator diode D1 that pole is connected with signaling conversion circuit, one end is connected with voltage-regulator diode D1 N poles, other end warp
The resistance R2 being connected after resistance R3 with voltage-regulator diode D1 P poles, one end is connected with NAND gate Q2 output end, the other end
The resistance R4 being connected with voltage-regulator diode D1 P poles, and positive pole is connected with NAND gate Q2 output end, negative pole and signal
The electric capacity C1 compositions that change-over circuit is connected；The positive pole of the NAND gate Q1 is connected with resistance R2 and resistance R3 tie point,
Output end is connected with triode VT1 base stage, triode VT1 emitter stage is connected with signaling conversion circuit, base stage simultaneously
It is connected with NAND gate Q2 positive pole and negative pole.
Described signaling conversion circuit is connected, separately by triode VT2, amplifier P, one end with triode VT2 base stage
Resistance R5, the N pole that one end is connected after resistance R7 and electric capacity C3 with amplifier P positive pole after resistance R6 with triode VT2
Colelctor electrode be connected, P poles ground connection voltage-regulator diode D2, one end is connected with amplifier P negative pole, the other end is through electric capacity C2
The resistance R8 being connected afterwards with triode VT2 emitter stage, the resistance R9 being serially connected between amplifier P negative pole and output end,
And the electric capacity C4 compositions being in parallel with resistance R9；The base stage of the triode VT2 is connected with electric capacity C1, emitter stage and voltage stabilizing
Diode D1 P poles are connected, and the emitter stage of the triode VT1 is connected with resistance R5 and resistance R7 tie point, voltage stabilizing
Diode D2 N poles are also connected with drive circuit, the amplifier P negative pole emitter stage with triode VT2 and driving simultaneously
Circuit is connected, output end is then connected with drive circuit.
Described drive circuit is by driving chip U, and triode VT3, N pole is connected with amplifier P output end, P poles warp
The diode D3 being connected after electric capacity C5 with amplifier P negative pole, one end is connected with diode D3 P poles, P poles are grounded two
Pole pipe D4, the resistance R11 that one end is connected with amplifier P negative pole, the other end is connected with driving chip U RE pins, string
Resistance R10, the P pole being connected between driving chip U COUT pins and TRI pins is connected with amplifier P negative pole, N poles with
The diode D5 that output circuit is connected, positive pole is connected with diode D5 N poles, the electric capacity that negative pole is connected with output circuit
C7, one end is connected with diode D5 N poles, the other end sequentially transmitting after resistance R14 and resistance R13 with triode VT3
The resistance R15 that pole is connected, one end is connected with triode VT3 base stage, the other end is connected with driving chip U OUT pins
The resistance R12 connect, positive pole is connected with driving chip U COMP pins, negative pole and diode D5 N poles and resistance R15 and
The electric capacity C6 compositions that resistance R14 tie point is connected；The tie point of the resistance R14 and resistance R13 and electric capacity C7 negative pole
It is connected, triode VT3 colelctor electrode is connected with diode D5 P poles, emitter stage is connected with driving chip U THR pins
Connect, the GND pins ground connection of the driving chip U, VCC pins are connected with voltage-regulator diode D2 N poles.
Described output circuit is extremely connected by transformer T, triode VT4, triode VT5, one end with diode D5 N
Connect, the resistance R16 that the other end is connected with transformer T primary side inductance coils L2 Same Name of Ends, positive pole and transformer T primary side inductance
The electric capacity C9 that coil L2 Same Name of Ends is connected, negative pole is connected with triode VT4 colelctor electrode, the electricity being in parallel with electric capacity C9
Feel L1, positive pole is connected after resistance R17 with electric capacity C9 positive pole, negative pole is connected with electric capacity C7 negative pole electric capacity C8, one
End is connected with triode VT4 emitter stage, the resistance R18 that the other end is connected with electric capacity C8 negative pole, positive pole and transformer T
The electric capacity C10 that primary side inductance coil L3 non-same polarity is connected, negative pole is connected with triode VT5 emitter stages, one end and electricity
The positive pole for holding C9 is connected, resistance R19, P pole that the other end is connected with transformer T primary side inductance coils L3 non-same polarity with
Transformer T secondary inductance coils L4 non-same polarity is connected, N poles after electric capacity C11 with transformer T secondary inductance coils L4's
The diode D6 compositions that Same Name of Ends is connected；The base stage of the triode VT5 and transformer T primary side inductance coils L3 Same Name of Ends
Be connected, ground connection while emitter stage is connected with electric capacity C8 negative pole, colelctor electrode and transformer T primary side inductance coils L2 it is non-
Same Name of Ends is connected, and the base stage of the triode VT4 is connected with electric capacity C8 positive pole.
Described process chip U2 is LM311 integrated circuits, and driving chip U is NE555 integrated circuits.
Described triode VT6 and triode VT7 is NPN type triode.
The present invention compared with prior art, has advantages below and beneficial effect：
（1）The present invention can be compressed by the effect of Image Coding processing module to view data, the letter after compression
Number transporting velocity faster so that image processing system processing speed improve 30%；
（2）The present invention can also keep the high fidelity of signal while being compressed to image signal data；
（3）The present invention becomes apparent from image effect by the effect of signal amplification module.
Brief description of the drawings
Fig. 1 is the overall structure diagram of the present invention；
Fig. 2 is the Image Coding processing module electrical block diagram of the present invention；
Fig. 3 is the signal amplification module electrical block diagram of the present invention；
Fig. 4 is the signal conversion module electrical block diagram of the present invention.
Embodiment
The present invention is described in further detail with reference to specific embodiment, but embodiments of the present invention are not limited to
This.
Embodiment
As shown in figure 1, of the invention by image acquisition device 1, the Image Coding processing module 2 being connected with image acquisition device 1,
The signal de-noising processing module 3 being connected with Image Coding processing module 2, the signal being connected with signal de-noising processing module 3
Correction module 4, the signal conversion module 5 being connected with signal-corecting module 4, the signal being connected with signal conversion module 5 are put
Big module 6, the signal identification module 7 being connected with signal amplification module 6, and the storage being connected with signal identification module 7
Module 8 and display module 9 form.
Wherein, image acquisition device 1 is used to gather facial image signal, and it can be realized by existing video camera.Image is compiled
The view data that code processing module 2 can then be collected to image acquisition device 1 carries out distortionless compression, the image after compression
Data transmission bauds is faster.And signal de-noising processing module 3 can then be entered to noise caused by imaging device or external environment condition
Row suppresses, and avoids being disturbed by noise in image processing process.Signal-corecting module 4 can be to system because of aberration, distortion, band
Image fault caused by wide limited grade carries out restoration processing.Signal conversion module 5 can then be converted to the signal that collection comes
Electric signal, the electric signal are conveyed to signal identification module 7 after signal amplification module 6 is amplified processing and carry out signal identification.
On the one hand electric signal after identification is transported to memory module 8 and stored, shown after on the other hand then being changed by display module 9
Out.
As shown in Fig. 2 the Image Coding processing module 2 is by process chip U2, triode VT8, triode VT9, triode
VT10, amplifier P1, N pole is grounded after electric capacity C16, P poles are connected after resistance R25 with process chip U2 THRE pins
Diode D11, resistance R26, the N pole and process chip that one end is connected with process chip U2 COMP pins, the other end is grounded
The diode D10 that U2 C-R pins are connected, P poles are connected after electric capacity C17 with triode VT9 base stage, and negative pole with
The electric capacity C18 compositions that triode VT10 base stage is connected, positive pole is connected after resistance R27 with triode VT9 emitter stage.
The positive pole of the amplifier P1 is connected with resistance R27 and electric capacity C18 tie point, negative pole ground connection, output end and triode
VT10 base stage is connected, the colelctor electrode of grounded collector, base stage and the emitter stage of the triode VT10 with triode VT9
It is connected, triode VT8 base stage is connected with process chip U2 R/C pins, grounded collector, emitter stage and diode
D11 N poles are connected, and the VS pins and COMP pins of the process chip U2 are connected with diode D11 P poles, F-O pipes
While pin and GND pins are connected with diode D10 P poles ground connection, C-O pins be connected with triode VT9 base stage,
VS pins also connect outside 15V voltages.View data after Image Coding processing module 2 is compressed can keep very high fidelity
Degree, process chip U2 are preferably LM311 integrated circuits to realize, its reaction speed is fast, response speed 200ns.
As shown in figure 3, the signal amplification module 6, by triode VT6, triode VT7, unidirectional thyristor D8, negative pole and three
Pole pipe VT6 base stage is connected, electric capacity C12 of the positive pole as the input of circuit one；One end is connected with triode VT7 colelctor electrode
Connect, the resistance R20 that the other end is connected after resistance R21 and resistance R22 with triode VT6 emitter stage, one end and triode
Resistance R23, the N pole that VT7 colelctor electrode is connected, the other end is connected with triode VT6 colelctor electrode and triode VT7 base
Diode D7, the N pole that pole is connected, P poles are connected with triode VT6 colelctor electrode after electric capacity C14 with unidirectional thyristor D8
Control pole be connected, the diode D9 that P poles are connected with resistance R21 and resistance R22 tie point, positive pole and triode VT6
Emitter stage be connected, the electric capacity C13 that negative pole is extremely connected with diode D9 P, positive pole is connected with triode VT7 colelctor electrode
Connect, the electric capacity C15 compositions that negative pole is connected after resistance R24 with diode D9 N poles；Described triode VT6 base stage with
Resistance R20 and resistance R21 tie point are connected, emitter stage is connected with triode VT7 emitter stage, triode VT7 hair
Emitter-base bandgap grading is connected with unidirectional thyristor D8 P poles, and unidirectional thyristor D8 N poles are connected with electric capacity C15 and resistance R24 tie point
Connect, triode VT7 colelctor electrode also connects outside 15V voltages.In order to preferably implement the present invention, described triode VT6 and three
Pole pipe VT7 uses NPN type triode, therefore signal amplification module 6 then forms a triode common emitter amplifying circuit, its
Processing can be amplified to signal with distortionless.
As shown in figure 4, signal conversion module 5 is then by front end input circuit 51, the letter being connected with front end input circuit 51
Number change-over circuit 52, the drive circuit 53 being connected with signaling conversion circuit 52, and the output being connected with drive circuit 53
Circuit 54 forms.
Described front end input circuit 51 can screen to signal, and it is by triode VT1, NAND gate Q1, NAND gate
Q2, resistance R1, the N pole and three that one end is connected with triode VT1 colelctor electrode, the other end is connected with NAND gate Q1 negative pole
The voltage-regulator diode D1 that pole pipe VT1 colelctor electrode is connected, P poles are connected with signaling conversion circuit 52, one end and the pole of voltage stabilizing two
The resistance R2 that pipe D1 N poles are connected, the other end is connected after resistance R3 with voltage-regulator diode D1 P poles, one end with it is non-
Door Q2 output end is connected, the resistance R4 that the other end is connected with voltage-regulator diode D1 P poles, and positive pole and NAND gate Q2
Output end be connected, electric capacity C1 that negative pole is connected with signaling conversion circuit 52 composition.The positive pole of the NAND gate Q1 and electricity
Resistance R2 and resistance R3 tie point be connected, output end is connected with triode VT1 base stage, triode VT1 emitter stage with
Signaling conversion circuit 52 is connected, base stage is connected with NAND gate Q2 positive pole and negative pole simultaneously and colelctor electrode then external 15V electricity
Pressure.Triode VT1 colelctor electrode and voltage-regulator diode D1 P poles are together as the input of circuit, the input and signal school
The output end of positive module 3 is connected.
The signal that image acquisition device 1 is collected can be converted to electric signal by signaling conversion circuit 52, and it is by triode
VT2, amplifier P, one end is connected with triode VT2 base stage, the other end after resistance R7 and electric capacity C3 with amplifier P just
Resistance R5, the N pole that pole is connected is connected after resistance R6 with triode VT2 colelctor electrode, the voltage-regulator diode of P poles ground connection
D2, the resistance that one end is connected with amplifier P negative pole, the other end is connected after electric capacity C2 with triode VT2 emitter stage
R8, the resistance R9 being serially connected between amplifier P negative pole and output end, and the electric capacity C4 compositions being in parallel with resistance R9.Institute
The base stage for stating triode VT2 is connected with electric capacity C1, emitter stage is connected with voltage-regulator diode D1 P poles, the triode VT1
Emitter stage be connected with resistance R5 and resistance R7 tie point, voltage-regulator diode D2 N poles are also connected with drive circuit 53,
Amplifier P negative pole is connected with triode VT2 emitter stage and drive circuit 53 simultaneously, output end then with drive circuit 53
It is connected.
Described drive circuit 53 is by driving chip U, and triode VT3, N pole is connected with amplifier P output end, P poles
The diode D3 being connected after electric capacity C5 with amplifier P negative pole, one end is connected with diode D3 P poles, P poles are grounded
Diode D4, the resistance R11 that one end is connected with amplifier P negative pole, the other end is connected with driving chip U RE pins,
Resistance R10, the P pole being serially connected between driving chip U COUT pins and TRI pins is connected with amplifier P negative pole, N poles
The diode D5 being connected with output circuit 44, positive pole is connected with diode D5 N poles, negative pole is connected with output circuit 54
Electric capacity C7, one end is connected with diode D5 N poles, the other end sequentially after resistance R14 and resistance R13 with triode VT3
The resistance R15 that is connected of emitter stage, one end is connected with triode VT3 base stage, the other end and driving chip U OUT are managed
The resistance R12 that pin is connected, positive pole is connected with driving chip U COMP pins, negative pole and diode D5 N poles and resistance
The electric capacity C6 compositions that R15 is connected with resistance R14 tie point.The tie point of the resistance R14 and resistance R13 are with electric capacity C7's
Negative pole is connected, and triode VT3 colelctor electrode is connected with diode D5 P poles, emitter stage and driving chip U THR pins
It is connected, the GND pins ground connection of the driving chip U, VCC pins are connected with voltage-regulator diode D2 N poles.In order to more preferable
Implement the present invention, described driving chip U is preferably NE555 integrated chips.
Described output circuit 54 is extremely connected by transformer T, triode VT4, triode VT5, one end with diode D5 N
Connect, the resistance R16 that the other end is connected with transformer T primary side inductance coils L2 Same Name of Ends, positive pole and transformer T primary side inductance
The electric capacity C9 that coil L2 Same Name of Ends is connected, negative pole is connected with triode VT4 colelctor electrode, the electricity being in parallel with electric capacity C9
Feel L1, positive pole is connected after resistance R17 with electric capacity C9 positive pole, negative pole is connected with electric capacity C7 negative pole electric capacity C8, one
End is connected with triode VT4 emitter stage, the resistance R18 that the other end is connected with electric capacity C8 negative pole, positive pole and transformer T
The electric capacity C10 that primary side inductance coil L3 non-same polarity is connected, negative pole is connected with triode VT5 emitter stages, one end and electricity
The positive pole for holding C9 is connected, resistance R19, P pole that the other end is connected with transformer T primary side inductance coils L3 non-same polarity with
Transformer T secondary inductance coils L4 non-same polarity is connected, N poles after electric capacity C11 with transformer T secondary inductance coils L4's
The diode D6 compositions that Same Name of Ends is connected.The base stage of the triode VT5 and transformer T primary side inductance coils L3 Same Name of Ends
Be connected, ground connection while emitter stage is connected with electric capacity C8 negative pole, colelctor electrode and transformer T primary side inductance coils L2 it is non-
Same Name of Ends is connected, and the base stage of the triode VT4 is connected with electric capacity C8 positive pole.Diode D6 N poles and transformer T pairs
For side inductance coil L4 Same Name of Ends together as the output end of circuit, signal from output end is conveyed to letter after transformer T boostings
Number identification module 5.
As described above, the present invention can be realized well.
Claims (10)
1. a kind of high-precision image processing system based on Image Coding processing, including image acquisition device（1）, signal de-noising processing
Module（3）, with signal de-noising processing module（3）The signal-corecting module being connected（4）, with signal-corecting module（4）It is connected
Signal conversion module（5）, with signal conversion module（5）The signal amplification module being connected（6）, with signal amplification module（6）
The signal identification module being connected（7）, and with signal identification module（7）The memory module being connected（8）And display module
（9）；It is characterized in that：In image acquisition device（1）With signal de-noising processing module（3）Between be additionally provided with Image Coding processing mould
Block（2）；
Described Image Coding processing module（2）By process chip U2, triode VT8, triode VT9, triode VT10, amplification
The diode that device P1, N pole is grounded after electric capacity C16, P poles are connected after resistance R25 with process chip U2 THRE pins
D11, resistance R26, the N pole and process chip U2 C-R that one end is connected with process chip U2 COMP pins, the other end is grounded
The diode D10 that pin is connected, P poles are connected after electric capacity C17 with triode VT9 base stage, and negative pole and triode
The electric capacity C18 compositions that VT10 base stage is connected, positive pole is connected after resistance R27 with triode VT9 emitter stage；It is described to put
Big device P1 positive pole is connected with resistance R27 and electric capacity C18 tie point, negative pole is grounded, output end and triode VT10 base
Pole is connected, and the colelctor electrode of grounded collector, base stage and the emitter stage of the triode VT10 with triode VT9 is connected,
Triode VT8 base stage is connected with process chip U2 R/C pins, grounded collector, emitter stage and diode D11 N poles
It is connected, the VS pins and COMP pins of the process chip U2 are connected with diode D11 P poles, F-O pins and GND
Ground connection, C-O pins are connected with triode VT9 base stage while pin is connected with diode D10 P poles.
A kind of 2. high-precision image processing system based on Image Coding processing according to claim 1, it is characterised in that：
Described signal amplification module（6）By triode VT6, triode VT7, unidirectional thyristor D8, the base stage of negative pole and triode VT6
It is connected, electric capacity C12 of the positive pole as the input of circuit one；One end is connected with triode VT7 colelctor electrode, the other end is through electricity
The resistance R20 being connected after resistance R21 and resistance R22 with triode VT6 emitter stage, one end and triode VT7 colelctor electrode phase
Resistance R23, the N pole that connection, the other end are connected with triode VT6 colelctor electrode is connected with triode VT7 base stage, P poles
Control pole of diode D7, the N pole being connected with triode VT6 colelctor electrode with unidirectional thyristor D8 after electric capacity C14 is connected
Connect, the diode D9 that P poles are connected with resistance R21 and resistance R22 tie point, positive pole is connected with triode VT6 emitter stage
Connect, the electric capacity C13 that negative pole is extremely connected with diode D9 P, positive pole is connected with triode VT7 colelctor electrode, negative pole is through resistance
The electric capacity C15 compositions being connected after R24 with diode D9 N poles；Described triode VT6 base stage and resistance R20 and resistance
R21 tie point is connected, emitter stage is connected with triode VT7 emitter stage, triode VT7 emitter stage and unidirectional brilliant lock
Pipe D8 P poles are connected, and unidirectional thyristor D8 N poles are connected with electric capacity C15 and resistance R24 tie point.
A kind of 3. high-precision image processing system based on Image Coding processing according to claim 2, it is characterised in that：
Described signal conversion module（5）By front end input circuit（51）, with front end input circuit（51）The signal conversion electricity being connected
Road（52）, with signaling conversion circuit（52）The drive circuit being connected（53）, and and drive circuit（53）The output being connected
Circuit（54）Composition.
A kind of 4. high-precision image processing system based on Image Coding processing according to claim 3, it is characterised in that：
Described front end input circuit（51）By triode VT1, NAND gate Q1, NAND gate Q2, one end and triode VT1 colelctor electrode phase
Connection, resistance R1, the N pole that is connected with NAND gate Q1 negative pole of the other end are connected with triode VT1 colelctor electrode, P poles and
Signaling conversion circuit（52）The voltage-regulator diode D1 being connected, one end is connected with voltage-regulator diode D1 N poles, other end warp
The resistance R2 being connected after resistance R3 with voltage-regulator diode D1 P poles, one end is connected with NAND gate Q2 output end, the other end
The resistance R4 being connected with voltage-regulator diode D1 P poles, and positive pole is connected with NAND gate Q2 output end, negative pole and signal
Change-over circuit（52）The electric capacity C1 compositions being connected；The positive pole of the NAND gate Q1 is connected with resistance R2 and resistance R3 tie point
Connect, output end is connected with triode VT1 base stage, triode VT1 emitter stage and signaling conversion circuit（52）It is connected, base
Pole is connected with NAND gate Q2 positive pole and negative pole simultaneously.
A kind of 5. high-precision image processing system based on Image Coding processing according to claim 4, it is characterised in that：
Described signaling conversion circuit（52）By triode VT2, amplifier P, one end is connected with triode VT2 base stage, the other end
Collection of resistance R5, the N pole being connected after resistance R7 and electric capacity C3 with amplifier P positive pole after resistance R6 with triode VT2
Electrode is connected, P poles ground connection voltage-regulator diode D2, one end is connected with amplifier P negative pole, the other end after electric capacity C2 and
The resistance R8 that triode VT2 emitter stage is connected, the resistance R9 being serially connected between amplifier P negative pole and output end, and
The electric capacity C4 compositions being in parallel with resistance R9；The base stage of the triode VT2 is connected with electric capacity C1, emitter stage and the pole of voltage stabilizing two
Pipe D1 P poles are connected, and the emitter stage of the triode VT1 is connected with resistance R5 and resistance R7 tie point, the pole of voltage stabilizing two
Pipe D2 N poles also with drive circuit（53）It is connected, the amplifier P negative pole emitter stage with triode VT2 and driving simultaneously
Circuit（53）Be connected, output end then with drive circuit（53）It is connected.
A kind of 6. high-precision image processing system based on Image Coding processing according to claim 5, it is characterised in that：
Described drive circuit（53）By driving chip U, triode VT3, N pole is connected with amplifier P output end, P poles are through electric capacity
The diode D3 being connected after C5 with amplifier P negative pole, one end is connected with diode D3 P poles, the diode of P poles ground connection
D4, the resistance R11 that one end is connected with amplifier P negative pole, the other end is connected with driving chip U RE pins, is serially connected in
Resistance R10, P pole between driving chip U COUT pins and TRI pins is connected with amplifier P negative pole, N poles are with exporting
Circuit（54）The diode D5 being connected, positive pole is connected with diode D5 N poles, negative pole and output circuit（54）It is connected
Electric capacity C7, one end is connected with diode D5 N poles, the other end is sequentially after resistance R14 and resistance R13 with triode VT3's
The resistance R15 that emitter stage is connected, one end is connected with triode VT3 base stage, the other end and driving chip U OUT pins
The resistance R12 being connected, positive pole is connected with driving chip U COMP pins, negative pole and diode D5 N poles and resistance
The electric capacity C6 compositions that R15 is connected with resistance R14 tie point；The tie point of the resistance R14 and resistance R13 are with electric capacity C7's
Negative pole is connected, and triode VT3 colelctor electrode is connected with diode D5 P poles, emitter stage and driving chip U THR pins
It is connected, the GND pins ground connection of the driving chip U, VCC pins are connected with voltage-regulator diode D2 N poles.
A kind of 7. high-precision image processing system based on Image Coding processing according to claim 6, it is characterised in that：
Described output circuit（54）By transformer T, triode VT4, triode VT5, one end is connected, separately with diode D5 N poles
The resistance R16 that one end is connected with transformer T primary side inductance coils L2 Same Name of Ends, positive pole and transformer T primary side inductance coils
The electric capacity C9 that L2 Same Name of Ends is connected, negative pole is connected with triode VT4 colelctor electrode, the inductance being in parallel with electric capacity C9
L1, the electric capacity C8 that positive pole is connected after resistance R17 with electric capacity C9 positive pole, negative pole is connected with electric capacity C7 negative pole, one end
It is connected with triode VT4 emitter stage, the resistance R18 that the other end is connected with electric capacity C8 negative pole, positive pole is former with transformer T
The electric capacity C10 that side inductance coil L3 non-same polarity is connected, negative pole is connected with triode VT5 emitter stages, one end and electric capacity
Resistance R19, the P pole that C9 positive pole is connected, the other end is connected with transformer T primary side inductance coils L3 non-same polarity is with becoming
Depressor T secondary inductance coils L4 non-same polarity is connected, N poles are same with transformer T secondary inductance coils L4 after electric capacity C11
The diode D6 compositions that name end is connected；The base stage of the triode VT5 and transformer T primary side inductance coils L3 Same Name of Ends phase
Connection, emitter stage ground connection while be connected with electric capacity C8 negative pole, colelctor electrode and transformer T primary side inductance coils L2 it is non-same
Name end is connected, and the base stage of the triode VT4 is connected with electric capacity C8 positive pole.
8. a kind of high-precision image processing system based on Image Coding processing according to any one of claim 1~7, its
It is characterised by：Described process chip U2 is LM311 integrated circuits.
A kind of 9. high-precision image processing system based on Image Coding processing according to claim 7, it is characterised in that：
Described driving chip U is NE555 integrated circuits.
10. a kind of high-precision image processing system based on Image Coding processing according to claim 7, its feature exist
In：Described triode VT6 and triode VT7 is NPN type triode.
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| CN113612900B (en) * | 2021-06-16 | 2023-11-07 | 南昌交通学院 | High-precision image processing system based on DSP image coding processing |
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| CN104408411A (en) * | 2014-11-18 | 2015-03-11 | 成都措普科技有限公司 | Novel image processing system |
| CN104408425A (en) * | 2014-11-28 | 2015-03-11 | 成都创图科技有限公司 | Logic protection emitter coupling type fingerprint recognizing system |
| CN104463116A (en) * | 2014-11-29 | 2015-03-25 | 成都思茂科技有限公司 | Filter-frequency-adjustable high-precision face recognition system based on linear driving |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104408411A (en) * | 2014-11-18 | 2015-03-11 | 成都措普科技有限公司 | Novel image processing system |
| CN104408425A (en) * | 2014-11-28 | 2015-03-11 | 成都创图科技有限公司 | Logic protection emitter coupling type fingerprint recognizing system |
| CN104463116A (en) * | 2014-11-29 | 2015-03-25 | 成都思茂科技有限公司 | Filter-frequency-adjustable high-precision face recognition system based on linear driving |
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