CN204887164U - A image enhancement and video drive circuit for medical endoscope - Google Patents
A image enhancement and video drive circuit for medical endoscope Download PDFInfo
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- CN204887164U CN204887164U CN201520460232.5U CN201520460232U CN204887164U CN 204887164 U CN204887164 U CN 204887164U CN 201520460232 U CN201520460232 U CN 201520460232U CN 204887164 U CN204887164 U CN 204887164U
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Abstract
The utility model relates to an image enhancement and video drive circuit for medical endoscope, including image enhancement chip and display driving chip, the image enhancement chip is used for carrying out image enhancement to the video signal who receives to be handled, redispatches to display driving chip, carries out the drive display. Compared with the prior art, the utility model discloses to prior art's defect, an image enhancement and a video drive circuit who is used for medical endoscope is specially provided. Concrete elder generation carries out image enhancement through the image enhancement chip and handles, redispatches and goes on making and broadcasting the more smooth clarity of picture video drive broadcast to display driving chip.
Description
Technical field
The utility model relates to a kind of video driver circuit, particularly a kind of image enhaucament for medical endoscope and video driver circuit.
Background technology
Endoscope is a kind of conventional medicine equipment, is become by flexible part, light source and an arrangement of mirrors head group.Through the natural hole of human body, or the minimal incision * that underwent operative is done enters in human body, during use, endoscope is imported the organ of preliminary examination, directly can spy on the change of relevant portion.
After the camera lens part of endoscope completes video acquisition, the output carrying out video is also needed to play.And when video carries out driving broadcasting, use conventional video drive playing circuit, often can produce the not smooth problem of video playback.Therefore, need to provide a kind of video driver circuit that can be used in medical endoscope.
Wherein, the quality of picture quality directly affects the result of use of endoscope.During owing to carrying out IMAQ in human body, can due to a variety of causes of inside of human body, and cause occurring noise jamming, brightness cannot regulate or cause due to the color of light image to occur aberration automatically, so cause in the image procossing in later stage, being difficult to the image of rediscover, making doctor be difficult to identification when observing.Therefore, also need to provide the circuit that can strengthen picture quality further.
Utility model content
The utility model is that the shortcoming overcoming prior art is with not enough, provides a kind of video driver circuit that can be used in medical endoscope.
The utility model is achieved through the following technical solutions: a kind of video driver circuit for medical endoscope, comprises image enhaucament chip and display driver chip; The vision signal that described image enhaucament chip is used for receiving carries out image enhancement processing, then is sent to display driver chip, carries out driving display;
Described display driver chip comprises: receiver of the analog signal, digit signal receiver, analog to digital converter, multiplexer, output format transducer, data logger and controller;
Described receiver of the analog signal, for receiving analog signal, and is sent to analog to digital converter;
Described analog to digital converter, for analog signal is converted to data-signal, and is sent to multiplexer;
Described data signal receiver, for receiving data-signal, and is sent to multiplexer;
Described multiplexer, for being integrated by two paths of signals, line output of going forward side by side is to output format transducer;
Described output format transducer, for signal format being changed, and exports data logger to;
Described data logger, exports signal, and shows;
Described controller, for the work of control simulation signal receiver, digit signal receiver, analog to digital converter, multiplexer, output format transducer and data logger.
Compared to prior art, the utility model, for the defect of prior art, provides a kind of image enhaucament and the video driver circuit that are specifically designed to medical endoscope.Specifically first carry out image enhancement processing by image enhaucament chip, then be sent to display driver chip carry out to video drive play, make broadcasting pictures more smooth clear.
Further, described display driver chip also comprises a Video Decoder, field flyback data processor and memory;
Described Video Decoder, decodes for the analog signal received by receiver of the analog signal, and is sent to field flyback data processor;
Described field flyback data processor, for by capable for decoded analog signal data inserting, and be sent to described memory and store;
Described memory, for storing the data after field flyback data processor processes, and is sent to output format transducer.
Further, also comprising an image border smoothing processor, for receiving the signal of restorer, and to the smoothing process in the edge of video image, then being sent to format converter.
Further, described data logger carries out color output and the output of lvds vision signal simultaneously.
Further, the outside of described display driver chip is provided with: power port, video reception port and VT mouth; Receiver of the analog signal and the data signal receiver of described video reception port and display driver chip inside are connected; Described video-out port is connected with the data logger of display driver chip inside.
Further, described image enhaucament chip comprises: data sink, controller, static memory, image intensifier, data logger and clock generator;
Described data sink, it is for receiving viewdata signal, and is sent to this image intensifier;
Described controller, it is for receiving outer triggering signal, and the operating state of corresponding control data receiver, image enhaucament itself and data logger;
Described static memory, it is for the driving data of memory image booster, to drive the work of this image intensifier;
Described image intensifier, it comprises an image border intensifier circuit; Described image border intensifier circuit is for strengthening the definition of image border;
Described data logger, it for receiving the view data after image intensifier process, and carries out data output;
Described clock generator, it is for being image enhaucament chip clocking.
Further, described image enhaucament chip also comprises a de-noising processor; The viewdata signal that described data sink receives, is sent to de-noising processor and carries out noise reduction process, then be forwarded to image intensifier.
Further, described image enhaucament chip also comprises a dynamic memory; View data after described de-noising processor process, is first sent to dynamic memory and stores, then be forwarded to image intensifier.
Further, described image enhaucament chip also comprises a pixel self adaptation proofreading equipment; View data after process is first sent to described pixel self adaptation proofreading equipment by described image intensifier, carries out pixel and adapts to check and correction, then be sent to data logger by this pixel self adaptation proofreading equipment.
Further, described image enhaucament chip also comprises a vision signal multiplier and a storage signal multiplier; Described clock generator, the clock signal of generation is sent to respectively vision signal multiplier and storage signal multiplier, and by this vision signal multiplier, clock signal is sent to data sink, by this storage signal multiplier, clock signal is sent to dynamic memory and static memory.
In order to understand better and implement, describe the utility model in detail below in conjunction with accompanying drawing.
Accompanying drawing explanation
Fig. 1 is the connection diagram of image enhaucament chip of the present utility model and display driver chip.
Fig. 2 is the internal module connection diagram of image enhaucament chip.
Fig. 3 is the outside connecting circuit figure of Part I of image enhaucament chip.
Fig. 4 is the outside connecting circuit figure of Part II of image enhaucament chip.
Fig. 5 is the circuit diagram of the filter circuit of pressure-stabilizing of the 3.3V voltage of image enhaucament chip.
Fig. 6 is the power-switching circuit figure that the 3.3V of image enhaucament chip is converted to 1.8V.
Fig. 7 is the power-switching circuit figure that the 3.3V of image enhaucament chip is converted to 1.2V.
Fig. 8 is the partial enlarged drawing of the receiver port of image enhaucament chip.
Fig. 9 a is the Part I partial enlarged drawing of the video signal port of image enhaucament chip.
Fig. 9 b is the Part II partial enlarged drawing of the video signal port of image enhaucament chip.
Figure 10 is the circuit diagram of the clock circuit of image enhaucament chip.
Figure 11 is the partial enlarged drawing of the row field signal port of image enhaucament chip.
Figure 12 is the internal components connection diagram of display driver chip.
Figure 13 is the external signal input circuit figure of display driver chip.
Figure 14 is the external signal output circuit figure of display driver chip.
Figure 15 is the partial enlarged drawing of the power port of display driver chip.
Figure 16 is the partial enlarged drawing of the video input port of display driver chip.
Figure 17 is the partial enlarged drawing of the video-out port of display driver chip.
Embodiment
Refer to Fig. 1, it is the connection diagram of image enhaucament chip of the present utility model and display driver chip.The utility model provides a kind of image enhaucament for medical endoscope and video recorder circuitry, comprises image enhaucament chip 10 and video record chip 20; The video image of reception is carried out enhancing process by described image enhaucament chip 10, and is sent to display driver chip 20, carries out driving show by this display driver chip 20.
Refer to Fig. 2, it is the internal module connection diagram of image enhaucament chip.Described image enhaucament chip comprises: data sink 11, de-noising processor 12, dynamic memory 13, image intensifier 14, pixel self adaptation proofreading equipment 15, data logger 16, static memory 17, controller 18, vision signal multiplier 19, storage signal multiplier 110, clock generator 111.
Described data sink 11, it is for receiving viewdata signal, and is sent to de-noising processor 12;
The viewdata signal that described data sink 11 receives, is sent to de-noising processor 12 and carries out noise reduction process, then be forwarded to dynamic memory 13.
After the view data of described dynamic memory 13 after receiving de-noising processor 12 process, then be forwarded to image intensifier 14.
Described image intensifier 14, it comprises an image border intensifier circuit; Described image border intensifier circuit is for strengthening the definition of image border.Further, the view data after process is first sent to described pixel self adaptation proofreading equipment 15 by described image intensifier, carries out pixel and adapts to check and correction, then be sent to data logger 16 by this pixel self adaptation proofreading equipment 15.
Described data logger 16, it for receiving the view data after image intensifier process, and carries out data output;
Described static memory 17, it is for the driving data of memory image booster, to drive the work of this image intensifier;
Described controller 18, it is for receiving outer triggering signal, and the operating state of corresponding control data receiver, image enhaucament itself and data logger;
Described clock generator 111, it is for being image enhaucament chip clocking.Further, described clock generator, the clock signal of generation is sent to respectively vision signal multiplier 19 and storage signal multiplier 110, and by this vision signal multiplier 9, clock signal is sent to data sink, by this storage signal multiplier 110, clock signal is sent to dynamic memory and static memory.
Please refer to Fig. 3 and Fig. 4, it is respectively the outside connecting circuit figure of image enhaucament chip of the present utility model.
Further, described image enhaucament chip exterior is provided with: for receive supply power voltage power port, for receive picture signal receiver port 101, for outputting video signal video signal port 102, for receive external timing signal clock signal port 103, for exporting the row field signal port one 04 of row field signal.
Concrete, in the present embodiment, the external voltage of described power port comprises 3.3V, 1.8V and 1.2V tri-kinds of voltages.Refer to Fig. 5, it is the circuit diagram of the filter circuit of pressure-stabilizing of 3.3V voltage.Described filter circuit comprises an inductance and at least one electric capacity; Described inductance one end is connected with external power source, and the other end is connected with each electric capacity respectively, the other end of described each electric capacity and ground connection; Power port is accessed in one end that described inductance is connected with electric capacity.
It is respectively the change-over circuit figure that power-switching circuit figure and 3.3V that 3.3V is converted to 1.8V is converted to 1.2V to refer to Fig. 6-7.In the present embodiment, by a power-switching circuit, the voltage of 3.3V is converted to respectively the voltage of 1.8V and 1.2V.Concrete, described power-switching circuit comprises a power conversion chip; The voltage of the input access 3.3V of described power conversion chip, output exports the voltage of 1.8V and 1.2V respectively, to power to image enhaucament chip.
Refer to Fig. 8, it is the partial enlarged drawing of the receiver port of image enhaucament chip.Described receiver port 101 comprises 20 signal pins, is connected with the data sink 11 of inside, for receiving the picture signal of input.
Refer to Fig. 9 a and Fig. 9 b, it is respectively the Part I of the video signal port of image enhaucament chip and the partial enlarged drawing of Part II.Described video signal port 102 comprises 20 signal pins, and it is connected, for output image signal with inner data logger 16.
Refer to Figure 10, it is the circuit diagram of the clock circuit of image enhaucament chip.Further, the external clock circuit of described clock signal port 103, it comprises a clock and to shake chip; The shake power end of chip of described clock is connected with power supply by a filter circuit, and the shake output of chip of this clock is connected with described clock signal port; Described filter circuit comprises and being made up of an inductance and capacitances in series, and one end of described inductance is connected with power supply, and the other end is connected with electric capacity, and the other end ground connection of this electric capacity.
Refer to Figure 11, it is the partial enlarged drawing of the row field signal port of image enhaucament chip.Described row field signal port one 04 comprises a row signal pins and a field signal pin.Described row field signal port one 04 is for controlling frequency and the order of video frequency output.Such as: the display frequency of vision signal on screen and DISPLAY ORDER can be controlled, can be from every line output under upper, also can be export from left to right.
Refer to Figure 12, it is the internal components connection diagram of display driver chip of the present utility model.Described display driver chip comprises: receiver of the analog signal 21, digit signal receiver 22, analog to digital converter 23, multiplexer 24, image border smoothing processor 25, Video Decoder 26, field flyback data processor 27, memory 28, output format transducer 29, data logger 210 and controller 211.
Described receiver of the analog signal 21, for receiving analog signal, and is sent to analog to digital converter 23;
Described data signal receiver 22, for receiving data-signal, and is sent to multiplexer 24;
Described analog to digital converter 23, for analog signal is converted to data-signal, and is sent to multiplexer 24;
Described multiplexer 24, for being integrated by two paths of signals, line output of going forward side by side is to output image edge-smoothing processor 25;
Described image border smoothing processor 25, for receiving the signal of restorer, and to the smoothing process in the edge of video image, then is sent to format converter 29.
Described Video Decoder 26, decodes for the analog signal received by receiver of the analog signal, and is sent to field flyback data processor 27;
Described field flyback data processor 27, for by capable for decoded analog signal data inserting, and be sent to described memory 28 and store;
Described memory 28, for storing the data after field flyback data processor processes, and is sent to output format transducer 29.
Described output format transducer 29, for signal format being changed, and exports data logger 210 to;
Described data logger 210 carries out color simultaneously and exports and the output of lvds vision signal.
Described controller 211, for the work of control simulation signal receiver 21, digit signal receiver 22, analog to digital converter 23, multiplexer 24, image border smoothing processor 25, Video Decoder 26, field flyback data processor 27, memory 28, output format transducer 29 and data logger 210.
Refer to Figure 13 and Figure 14, it is respectively external signal input circuit figure and the signal output apparatus figure of display driver chip.Further, the outside of described display driver chip is provided with: power port 201, video reception port 202 and VT mouth 203; Receiver of the analog signal 21 and the data signal receiver 22 of described video reception port 202 and display driver chip inside are connected; Described video-out port 203 is connected with the data logger 210 of display driver chip inside.
Refer to Figure 15, it is the partial enlarged drawing of the power port of display driver chip.Described power port 201 comprises the power pins of a 1.2V and the power pins of 3.3V; Described 1.2V pin is circumscribed with two electric capacity in parallel, for filtering AC signal; Described 3.3V is circumscribed with 5 shunt capacitances, for filtering the AC signal of different frequency.
Refer to Figure 16, it is the partial enlarged drawing of the video input port of display driver chip.Described video input port 202 comprises two groups of pins, and record the recording signal of circuit for receiving for one group, another group is for receiving the vision signal play in real time.Wherein, pin B5 ~ B8, A5 ~ A8 record the recording signal of circuit for receiving, and pin B1 ~ B4, A1 ~ A4 are for receiving the vision signal play in real time.
Refer to Figure 17, it is the partial enlarged drawing of the video-out port of display driver chip.Described video-out port 203 comprises 12 groups of pins, is connected respectively with data logger, for exporting playback video signal and real time video signals.
Below the course of work of Image Enhancement Circuit of the present utility model is described:
S1: carry out circuit access according to above-mentioned requirement by the outside port of this image enhaucament chip and display driver chip;
S2: described data sink 11 receives outside view data;
S3: reception viewdata signal is sent to de-noising processor 12 by described data sink 11;
S4: described de-noising processor 12 carries out noise reduction process, then is forwarded to dynamic memory 13.
S4: after the view data of described dynamic memory 13 after receiving de-noising processor 12 process, then be forwarded to image intensifier 14.
S5: described image intensifier 14, it comprises an image border intensifier circuit; Described image border intensifier circuit is for strengthening the definition of image border.View data after process is first sent to described pixel self adaptation proofreading equipment 15 by described image intensifier.
S6: described pixel self adaptation proofreading equipment 15 carries out pixel and adapts to check and correction, then is sent to data logger 16.
S7: the view data after process is carried out output display driving chip by described data logger 16.
S8: the receiver of the analog signal 21 of described display driver chip receives analog signal, and is sent to analog to digital converter 23;
S9: described data signal receiver 22 receives data-signal, and is sent to multiplexer 24;
S10: analog signal is converted to data-signal by described analog to digital converter 23, and is sent to multiplexer 24;
S11: two paths of signals is integrated by described multiplexer 24, line output of going forward side by side is to output image edge-smoothing processor 25;
S12: described image border smoothing processor 25 receives the signal of restorer, and to the smoothing process in the edge of video image, then be sent to format converter 29.
S13: the analog signal that receiver of the analog signal receives is decoded by described Video Decoder 26, and is sent to field flyback data processor 27;
S14: described field flyback data processor 27, for by capable for decoded analog signal data inserting, and be sent to described memory 28 and store;
S15: described memory 28, for storing the data after field flyback data processor processes, and is sent to output format transducer 29.
S16: described output format transducer 29, for signal format being changed, and exports data logger 210 to;
S17: described data logger 210 carries out color simultaneously and exports and the output of lvds vision signal.
The utility model is not limited to above-mentioned execution mode, if do not depart from spirit and scope of the present utility model to various change of the present utility model or distortion, if these are changed and distortion belongs within claim of the present utility model and equivalent technologies scope, then the utility model is also intended to comprise these changes and distortion.
Claims (10)
1. for image enhaucament and the video driver circuit of medical endoscope, it is characterized in that: comprise image enhaucament chip and display driver chip; The vision signal that described image enhaucament chip is used for receiving carries out image enhancement processing, then is sent to display driver chip, carries out driving display;
Described display driver chip comprises: receiver of the analog signal, digit signal receiver, analog to digital converter, multiplexer, output format transducer, data logger and controller;
Described receiver of the analog signal, for receiving analog signal, and is sent to analog to digital converter;
Described analog to digital converter, for analog signal is converted to data-signal, and is sent to multiplexer;
Described data signal receiver, for receiving data-signal, and is sent to multiplexer;
Described multiplexer, for being integrated by two paths of signals, line output of going forward side by side is to output format transducer;
Described output format transducer, for signal format being changed, and exports data logger to;
Described data logger, exports signal, and shows;
Described controller, for the work of control simulation signal receiver, digit signal receiver, analog to digital converter, multiplexer, output format transducer and data logger.
2. according to claim 1 for image enhaucament and the video driver circuit of medical endoscope, it is characterized in that: described display driver chip also comprises a Video Decoder, field flyback data processor and memory;
Described Video Decoder, decodes for the analog signal received by receiver of the analog signal, and is sent to field flyback data processor;
Described field flyback data processor, for by capable for decoded analog signal data inserting, and be sent to described memory and store;
Described memory, for storing the data after field flyback data processor processes, and is sent to output format transducer.
3. according to claim 1 for image enhaucament and the video driver circuit of medical endoscope, it is characterized in that: described display driver chip also comprises an image border smoothing processor, for receiving the signal of restorer, and to the smoothing process in the edge of video image, then be sent to format converter.
4. according to claim 1 for image enhaucament and the video driver circuit of medical endoscope, it is characterized in that: the data logger of described display driver chip carries out color simultaneously and exports and the output of lvds vision signal.
5. according to claim 1 for image enhaucament and the video driver circuit of medical endoscope, it is characterized in that: the outside of described display driver chip is provided with: power port, video reception port and VT mouth; Receiver of the analog signal and the data signal receiver of described video reception port and display driver chip inside are connected; Described video-out port is connected with the data logger of display driver chip inside.
6. according to claim 1 for image enhaucament and the video driver circuit of medical endoscope, it is characterized in that: described image enhaucament chip comprises: data sink, controller, static memory, image intensifier, data logger and clock generator;
Described data sink, it is for receiving viewdata signal, and is sent to this image intensifier;
Described controller, it is for receiving outer triggering signal, and the operating state of corresponding control data receiver, image enhaucament itself and data logger;
Described static memory, it is for the driving data of memory image booster, to drive the work of this image intensifier;
Described image intensifier, it comprises an image border intensifier circuit; Described image border intensifier circuit is for strengthening the definition of image border;
Described data logger, it for receiving the view data after image intensifier process, and carries out data output;
Described clock generator, it is for being image enhaucament chip clocking.
7. according to claim 6 for image enhaucament and the video driver circuit of medical endoscope, it is characterized in that: described image enhaucament chip also comprises a de-noising processor; The viewdata signal that described data sink receives, is sent to de-noising processor and carries out noise reduction process, then be forwarded to image intensifier.
8. according to claim 7 for image enhaucament and the video driver circuit of medical endoscope, it is characterized in that: described image enhaucament chip also comprises a dynamic memory; View data after described de-noising processor process, is first sent to dynamic memory and stores, then be forwarded to image intensifier.
9. according to claim 8 for image enhaucament and the video driver circuit of medical endoscope, it is characterized in that: described image enhaucament chip also comprises a pixel self adaptation proofreading equipment; View data after process is first sent to described pixel self adaptation proofreading equipment by described image intensifier, carries out pixel and adapts to check and correction, then be sent to data logger by this pixel self adaptation proofreading equipment.
10. according to claim 9 for image enhaucament and the video driver circuit of medical endoscope, it is characterized in that: described image enhaucament chip also comprises a vision signal multiplier and a storage signal multiplier; Described clock generator, the clock signal of generation is sent to respectively vision signal multiplier and storage signal multiplier, and by this vision signal multiplier, clock signal is sent to data sink, by this storage signal multiplier, clock signal is sent to dynamic memory and static memory.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520460232.5U CN204887164U (en) | 2015-06-30 | 2015-06-30 | A image enhancement and video drive circuit for medical endoscope |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520460232.5U CN204887164U (en) | 2015-06-30 | 2015-06-30 | A image enhancement and video drive circuit for medical endoscope |
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| Publication Number | Publication Date |
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| CN204887164U true CN204887164U (en) | 2015-12-16 |
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| CN201520460232.5U Expired - Fee Related CN204887164U (en) | 2015-06-30 | 2015-06-30 | A image enhancement and video drive circuit for medical endoscope |
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- 2015-06-30 CN CN201520460232.5U patent/CN204887164U/en not_active Expired - Fee Related
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| C14 | Grant of patent or utility model | ||
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151216 Termination date: 20180630 |