CN205195852U - Video acquisition of medical treatment camera system handles and intensifier circuit - Google Patents
Video acquisition of medical treatment camera system handles and intensifier circuit Download PDFInfo
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- CN205195852U CN205195852U CN201520726858.6U CN201520726858U CN205195852U CN 205195852 U CN205195852 U CN 205195852U CN 201520726858 U CN201520726858 U CN 201520726858U CN 205195852 U CN205195852 U CN 205195852U
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Abstract
The utility model relates to a video acquisition of medical treatment camera system handles and intensifier circuit, sky including setting up above the operating table hangs the formula camera lens, sets up at the dive formula camera lens of implementing surgery location to and be used for the receipt sky to hang the formula camera lens and the video signal's of dive formula camera lens host computer, it hangs and is equipped with video capture chip and image manipulation chip in the formula camera lens, video capture chip is used for gathering outside image information, image manipulation chip is used for handling this image information to send to the host computer, be equipped with video capture chip and image manipulation chip in the dive formula camera lens, image manipulation chip is used for gathering outside image information, image manipulation chip is used for handling this image information to send to the host computer, the inside image enhancement chip that is equipped with of host computer for receive the video signal that the sky hung formula camera lens and dive formula camera lens, and carry out the humidifying treatment.
Description
Technical field
The utility model relates to a kind of camera system, particularly a kind of video acquisition process of medical camera system and intensifier circuit.
Background technology
When clinical treatment, particularly when doctor is when performing the operation, often needing to carry out carrying out observation surgical procedure by shooting, play in real time and record, can conveniently watch in surgical procedure, also can carry out demonstration lesson by video recording simultaneously.
But existing pick-up lens is single, the limited angle of shooting, is difficult to reduce the scene of whole operation and details.Particularly, at the discreet portions of operation, be difficult to shooting especially.
Therefore, for existing problem, need to provide a kind of can the medical camera system of omnidirectional shooting surgical.
Utility model content
The utility model is that the shortcoming overcoming prior art is with not enough, provides a kind of video acquisition process and intensifier circuit of medical camera system.
The utility model is achieved through the following technical solutions: a kind of video acquisition process of medical camera system and intensifier circuit, comprise and be arranged on sky hanging camera lens above operating table, be arranged on the submersible type camera lens implementing surgery location, and for the main frame of the vision signal that receives day hanging camera lens and submersible type camera lens;
Video capture processor and picture processing chip is provided with in described sky hanging camera lens; Described video capture processor is for gathering outside image information, and described picture processing chip is used for this image information to process, and is sent to main frame;
Video capture processor and picture processing chip is provided with in described submersible type camera lens; Described picture processing chip is for gathering outside image information, and described picture processing chip is used for this image information to process, and is sent to main frame;
Described main frame inside is provided with an image enhaucament chip, for receiving the vision signal of day hanging camera lens and submersible type camera lens, and carries out enhancing process.
As further improvement of the utility model, the video capture processor of described sky hanging camera lens and submersible type camera lens inside all comprises: control module, driver module, illuminant module, sampling module and output module;
Described control module, it sends triggering signal to driver module for receiving outside triggering signal;
Described driver module, it for receiving the triggering signal of control module, and drives illuminant module work;
Described illuminant module, this light signal for receiving extraneous light signal, and is converted to the signal of telecommunication by it;
Described sampling module, the signal of telecommunication processed for carrying out sampling process to the signal of telecommunication of illuminant module, and is sent to output module by it;
Described output module, it is for being converted to digital signal by this signal of telecommunication, line output of going forward side by side.
As further improvement of the utility model, described video capture processor also comprises one times of frequency module, and its frequency for the triggering signal inputted outside carries out doubling process, then is sent to control module.
As further improvement of the utility model, described video capture processor outside is provided with: for receive supply power voltage power port, for outputting video signal video signal port, for export row field signal row field signal port, for receiving reference voltage electricity reference signal port and frequently for receiving the clock signal port of external timing signal.
As further improvement of the utility model, the picture processing chip of described sky hanging camera lens and submersible type camera lens inside all comprises: data sink, master controller, image processor and data logger;
Described data sink, it is for receiving outside view data;
Described master controller, it is for receiving outside triggering signal, and the operating state of the described data sink of corresponding control, image processor and data logger;
Described image processor, it is for processing image; Described image processor comprises a white balance permanent circuit, and it, for according to the parameter preset, carries out the fixed adjustment of white balance;
Described data logger, it is for exporting the view data after process.
As further improvement of the utility model, described picture processing chip also comprises a frequency multiplier, and its frequency for the triggering signal inputted outside carries out doubling process, then is sent to master controller.
As further improvement of the utility model, described image processor also comprises an exposure gain circuit, for increasing exposure gain size.
As further improvement of the utility model, described image processor also comprises an optical detection circuit and flash detection circuit, its brightness for detection image and flashing state, and result of detection is sent to exposure gain circuit.
As further improvement of the utility model, described picture processing chip outside is provided with: for receive supply power voltage power port, for receive picture signal receiver port, for outputting video signal video signal port, for export row field signal row field signal port, for receive external timing signal clock signal port, store the data receiver port and of data for receiving the PORT COM of external communication order for receiving.
As further improvement of the utility model, described image enhaucament chip internal comprises: data sink, de-noising processor, dynamic memory, image intensifier, pixel self adaptation proofreading equipment, data logger, static memory, controller, vision signal multiplier, storage signal multiplier and clock generator;
Described data sink, it for receiving viewdata signal, and is sent to 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 dynamic memory;
After the view data of described dynamic memory after receiving de-noising processor 2 process, then be forwarded to 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, view data after process is first sent to described pixel self adaptation proofreading equipment by described image intensifier, carry out pixel by this pixel self adaptation proofreading equipment and adapt to check and correction, then be sent to data logger;
Described data logger, it for receiving the view data after image intensifier process, and carries out data output;
Described static memory, it is for the driving data of memory image booster, to drive the work of 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 clock generator, its for centered by process chip clocking, 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.
Compared to prior art, the utility model is by arranging two camera lenses, a sky hanging camera lens simultaneously, a submersible type camera lens, can respectively on and under observe the overall situation surgical procedure, meanwhile, the subtlety of the operation of doctor on operating table can be observed by submersible type camera lens.Meanwhile, by a main frame, the video gathered by two camera lenses carries out merging and plays and record, and is convenient to the viewing in surgical process, also may be used for formality instructional video and uses.
Further, the utility model by being divided into multiple functional module in video capture processor, and difference also by each functional module independence co-ordination, can realize low-power consumption, low-light (level), and can be the picture high definition more exported.
Further the utility model, by increasing by a picture processing chip in camera lens part, processes the image gathered, main frame backstage increases an image enhaucament chip, carries out level image enhancing, makes the last image exported more clear.
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 video acquisition process of medical camera system of the present utility model and the connection diagram of intensifier circuit.
Fig. 2 is the video acquisition process of medical camera system of the present utility model and the inside chip connection diagram of intensifier circuit.
The internal circuit connection diagram of Fig. 3 formula video capture processor.
Fig. 4 is the outside port schematic diagram of video capture processor.
Fig. 5 is the circuit diagram of the power unit of video capture processor.
Fig. 6 is the circuit diagram of the 2.7V of video capture processor.
Fig. 7 is the circuit diagram of the 1.8V of video capture processor.
Fig. 8 is the circuit diagram of the 1.2V of video capture processor.
Fig. 9 is the interface enlarged drawing of video capture processor row field signal.
Figure 10 is the partial enlarged drawing of the reference signal port of video capture processor.
Figure 11 is the circuit diagram of the clock circuit of video capture processor.
Figure 12 is the circuit diagram of the configuration circuit of video capture processor.
Figure 13 is the internal circuit connection diagram of picture processing chip of the present utility model.
Figure 14 is the circuit module schematic diagram of image processor of the present utility model.
The voltage segment port circuit figure of Figure 15 picture processing chip.
Figure 16 is picture processing chip outside port circuit diagram.
Figure 17-19 is the power supply of picture processing chip is respectively the circuit diagram of 3.3V, 1.8V and 1.2V.
Figure 20 is the partial enlarged drawing of the receiver port of picture processing chip.
Figure 21 is the partial enlarged drawing of the video signal port of picture processing chip.
Figure 22 is the partial enlarged drawing of the row field signal port of picture processing chip.
Figure 23 is the schematic diagram of the clock circuit of picture processing chip.
Figure 24 is the schematic diagram of the memory circuit of picture processing chip.
Figure 25 is the partial enlarged drawing of the PORT COM of picture processing chip.
Figure 26 is the internal circuit connection diagram of image enhaucament chip.
Figure 27 and Figure 28 is the outside connecting circuit figure of image enhaucament chip respectively.
Figure 29 is the circuit diagram of the filter circuit of pressure-stabilizing of 3.3V voltage.
Figure 30-31 is 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 respectively.
Figure 32 is the partial enlarged drawing of the receiver port of image enhaucament chip.
Figure 33 is the partial enlarged drawing of the video signal port of image enhaucament chip.
Figure 34 is the circuit diagram of the clock circuit of image enhaucament chip.
Figure 35 is the partial enlarged drawing of the row field signal port of image enhaucament chip.
Embodiment
Refer to Fig. 1, it is the video acquisition process of medical camera system of the present utility model and the connection diagram of intensifier circuit.The utility model provides a kind of video acquisition process and intensifier circuit of medical camera system, it comprises and is arranged on sky hanging camera lens 1 above operating table, is arranged on the submersible type camera lens 2 implementing surgery location, and for the main frame 3 of the vision signal that receives day hanging camera lens 1 and submersible type camera lens 2.
Concrete, refer to Fig. 2, it is the video acquisition process of medical camera system of the present utility model and the inside chip connection diagram of intensifier circuit.
Video capture processor 11 and picture processing chip 12 is provided with in described sky hanging camera lens 1; Described video capture processor is for gathering outside image information, and described picture processing chip 12 for this image information being processed, and is sent to main frame 3;
Video capture processor 21 and picture processing chip 22 is provided with in described submersible type camera lens; Described picture processing chip 21 is for gathering outside image information, and described picture processing chip 22 for this image information being processed, and is sent to main frame 3.
Further in order to strengthen show in main frame time image readability, as the optimal way of the present embodiment, described main frame inside is also provided with an image enhaucament chip 33, for receiving the vision signal of day hanging camera lens 1 and submersible type camera lens 2, and carry out enhancing process, then be sent to video record chip 35 respectively and drive display chip 34.
Further, below the connection of the internal circuit blocks of said chip is described respectively, specific as follows:
Refer to Fig. 3, it is the internal circuit connection diagram of video capture processor.
The video capture processor 11 of hanging camera lens inside, described sky and the video capture processor 21 of submersible type camera lens inside all comprise: control module 111, driver module 112, illuminant module 113, sampling module 114, output module 115 and doubly frequency module 116;
Described control module 111, it sends triggering signal to driver module 112 for receiving outside triggering signal;
Described driver module 112, it is for receiving the triggering signal of control module, and drives illuminant module 113 to work;
Described illuminant module 113, this light signal for receiving extraneous light signal, and is converted to the signal of telecommunication by it;
Described sampling module 114, the signal of telecommunication processed for carrying out sampling process to the signal of telecommunication of illuminant module, and is sent to output module 115 by it;
Described output module 115, it is for being converted to digital signal by this signal of telecommunication, line output of going forward side by side.
Described times of frequency module 116, its frequency for the triggering signal inputted outside carries out doubling process, then is sent to control module 111.
Concrete, refer to Fig. 4, it is the outside port schematic diagram of video capture processor.
Described video capture processor outside is provided with: the power port 101 for receiver voltage, the video signal port 102 for outputting video signal, for export row field signal row field signal port one 03, for receiving reference voltage electricity reference signal port one 04 frequently, for receiving the clock signal port 105 of external timing signal and the communication command port one 06 for receiving operate outside mode command.
Please refer to Fig. 5, it is the circuit diagram of the power unit of video capture processor.Concrete, the power unit in video capture processor adopts three kinds of voltages simultaneously, is respectively 2.7V, 1.8V, and 1.2V.
Please refer to Fig. 6-8, it is respectively the circuit diagram of 2.7V, 1.8V and 1.2V of video capture processor.Concrete, the input port 101 of three kinds of voltages of video capture processor is all circumscribed with one for the filter circuit of voltage stabilizing; 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.Wherein, the voltage place in circuit of 2.7V and 1.8V comprises four electric capacity, and the voltage place in circuit of 1.2V comprises three electric capacity, to filter the interference signal of different frequency.
Refer to Fig. 9, it is the interface enlarged drawing of row field signal.Further, described row field signal port one 03 is circumscribed with one for providing the resistance of signal strength signal intensity.By this row field signal, 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 10, it is the partial enlarged drawing of the reference signal port of video capture processor.Further, described reference signal port one 04 is circumscribed with the electric capacity as voltage electricity frequency reference data.In the present embodiment, described reference signal port has 7, the electric capacity of the external 1uF of each port.
Refer to Figure 11, it is the circuit diagram of the clock circuit of video capture processor.The external clock circuit of described clock signal port 105, 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 by a debug circuit; 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; Described clock shake chip power end with to be connected and between inductance and electric capacity; Described debug circuit is made up of resistance and electric capacity; One end of the resistance of this debug circuit is connected with the output of Zhong Zhen, and the other end is connected with electric capacity, and the other end ground connection of this electric capacity; Described clock signal port is connected between this resistance and electric capacity.
Refer to Figure 12, it is the circuit diagram of the configuration circuit of video capture processor.Further, described communication command port one 06, it is circumscribed with a mode of operation configuration circuit; Described configuration circuit is made up of two resistant series, and described communication command port is connected between two resistance.
Refer to Figure 13, it is the internal circuit connection diagram of picture processing chip of the present utility model.
The picture processing chip of described sky hanging camera lens and submersible type camera lens inside all comprises: data sink 121, master controller 122, image processor 123 and data logger 124;
Described data sink 121, it is for receiving outside view data;
Described master controller 122, it is for receiving outside triggering signal, and the operating state of the described data sink of corresponding control, image processor and data logger;
Described image processor 123, it is for processing image;
Described data logger 124, it is for exporting the view data after process.
Further, described picture processing chip also comprises a frequency multiplier 125, and its frequency for the triggering signal inputted outside carries out doubling process, then is sent to master controller 122.
Refer to Figure 14, it is the circuit module schematic diagram of image processor of the present utility model.
Concrete, described image processor 123 comprises a Lens Shading Compensation circuit 1231, optical detection circuit 1232, flash detection circuit 1233, exposure gain circuit 1234 and white balance permanent circuit 1235.
Described Lens Shading Compensation circuit 1231, it compensates process for the shade produced by camera lens.
Described optical detection circuit 1232 and flash detection circuit 1233, its brightness for detection image and flashing state, and result of detection is sent to exposure gain circuit.
Described exposure gain circuit 1234, for increasing exposure gain size.
Described white balance permanent circuit 1235, it, for according to the parameter preset, carries out the fixed adjustment of white balance.
Please refer to Figure 15 and Figure 16, it is respectively voltage segment and other outside port circuit diagrams of picture processing chip.In addition, in order to the application in order to adapt to this video capture processor, be provided with in described video capture processor outside further: for receive supply power voltage power port 201, for receive picture signal receiver port 202, for outputting video signal video signal port 203, for export row field signal row field signal port 204, for receive external timing signal clock signal port 205, for receive store data data receiver port 206 and one for receiving the PORT COM 207 of external communication order.
Refer to Figure 17-19, its power supply being respectively picture processing chip is the circuit diagram of 3.3V, 1.8V and 1.2V.Further, described power port 201 is circumscribed with one for the filter circuit of voltage stabilizing; 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.Concrete, the external voltage of video capture processor of the present utility model comprises: 3.3V, 1.8V and 1.2V tri-kinds.Wherein, 3.3V voltage place in circuit comprises 2 electric capacity, and 1.8V voltage place in circuit comprises 5 electric capacity, and the voltage place in circuit of 1.2V comprises 6 electric capacity, to filter the interference signal of different frequency respectively.
Refer to Figure 20, it is the partial enlarged drawing of the receiver port of picture processing chip.Described receiver port 202 comprises 8 pins, for receiving outside video signal.
Refer to Figure 21, it is the partial enlarged drawing of the video signal port of picture processing chip.Described video signal port 203 comprises the vision signal of two groups of different-formats, carries out doubleway output, plays in real time respectively to facilitate and records.
Refer to Figure 22, it is the partial enlarged drawing of the row field signal port of picture processing chip.Described row field signal port 204 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 23, it is the schematic diagram of the clock circuit of picture processing chip.The external clock circuit of described clock signal port 205, 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 by a debug circuit; 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; Described clock shake chip power end with to be connected and between inductance and electric capacity; Described debug circuit is made up of resistance and electric capacity; One end of the resistance of this debug circuit is connected with the output of Zhong Zhen, and the other end is connected with electric capacity, and the other end ground connection of this electric capacity; Described clock signal port is connected between this resistance and electric capacity.
Refer to Figure 24, it is the schematic diagram of the memory circuit of picture processing chip.Further, described data receiver port 206 is circumscribed with a memory circuitry, and it comprises a memory, is connected to the filter circuit of the voltage port of this memory, and is connected to the resistance of output port of this memory.
Refer to Figure 25, it is the partial enlarged drawing of the PORT COM of picture processing chip.Described PORT COM 207, for receiving the trigger command of external transmission, carries out work with what trigger this picture processing chip.
Refer to Figure 26, it is the internal circuit connection diagram of image enhaucament chip.
Described image enhaucament chip internal comprises: data sink 331, de-noising processor 332, dynamic memory 333, image intensifier 334, pixel self adaptation proofreading equipment 335, data logger 336, static memory 337, controller 338, vision signal multiplier 339, storage signal multiplier 3310 and clock generator 3311.
Described data sink 331, it is for receiving viewdata signal, and is sent to de-noising processor 332;
The viewdata signal that described data sink 331 receives, is sent to de-noising processor 332 and carries out noise reduction process, then be forwarded to dynamic memory 333.
After the view data of described dynamic memory 333 after receiving de-noising processor 2 process, then be forwarded to image intensifier 334.
Described image intensifier 334, 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 335 by described image intensifier, carries out pixel and adapts to check and correction, then be sent to data logger 336 by this pixel self adaptation proofreading equipment 335.
Described data logger 336, it for receiving the view data after image intensifier process, and carries out data output;
Described static memory 337, it is for the driving data of memory image booster, to drive the work of this image intensifier;
Described controller 338, 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 3311, its for centered by process chip clocking.Further, described clock generator, the clock signal of generation is sent to respectively vision signal multiplier 339 and storage signal multiplier 3310, and by this vision signal multiplier 339, clock signal is sent to data sink, by this storage signal multiplier 3310, clock signal is sent to dynamic memory and static memory.
Please refer to Figure 27 and Figure 28, it is respectively the outside connecting circuit figure of image enhaucament chip.
Further, described image enhaucament chip exterior is provided with: for receive supply power voltage power port, for receive picture signal receiver port 701, for outputting video signal video signal port 702, for receive external timing signal clock signal port 703, for exporting the row field signal port 704 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 Figure 29, 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.
Refer to Figure 30-31, 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.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 Figure 32, it is the partial enlarged drawing of the receiver port of image enhaucament chip.Described receiver port 701 comprises 20 signal pins, is connected with the data sink 331 of inside, for receiving the picture signal of input.
Refer to Figure 33, it is the partial enlarged drawing of the video signal port of image enhaucament chip.Described video signal port 702 comprises 20 signal pins, and it is connected, for output image signal with inner data logger 336.
Refer to Figure 34, it is the circuit diagram of the clock circuit of image enhaucament chip.Further, the external clock circuit of described clock signal port 703, 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 35, it is the partial enlarged drawing of the row field signal port of image enhaucament chip.Described row field signal port 704 comprises a row signal pins and a field signal pin.Described row field signal port 704 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.
Compared to prior art, the utility model is by arranging two camera lenses, a sky hanging camera lens simultaneously, a submersible type camera lens, can respectively on and under observe the overall situation surgical procedure, meanwhile, the subtlety of the operation of doctor on operating table can be observed by submersible type camera lens.Meanwhile, by a main frame, the video gathered by two camera lenses carries out merging and plays and record, and is convenient to the viewing in surgical process, also may be used for formality instructional video and uses.
Further, the utility model by being divided into multiple functional module in video capture processor, and difference also by each functional module independence co-ordination, can realize low-power consumption, low-light (level), and can be the picture high definition more exported.
Further the utility model, by increasing by a picture processing chip in camera lens part, processes the image gathered, main frame backstage increases an image enhaucament chip, carries out level image enhancing, makes the last image exported more clear.
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. the video acquisition process of a medical camera system and intensifier circuit, it is characterized in that: comprise and be arranged on sky hanging camera lens above operating table, be arranged on the submersible type camera lens implementing surgery location, and for the main frame of the vision signal that receives day hanging camera lens and submersible type camera lens;
Video capture processor and picture processing chip is provided with in described sky hanging camera lens; Described video capture processor is for gathering outside image information, and described picture processing chip is used for this image information to process, and is sent to main frame;
Video capture processor and picture processing chip is provided with in described submersible type camera lens; Described picture processing chip is for gathering outside image information, and described picture processing chip is used for this image information to process, and is sent to main frame;
Described main frame inside is provided with an image enhaucament chip, for receiving the vision signal of day hanging camera lens and submersible type camera lens, and carries out enhancing process.
2. the video acquisition process of medical camera system and intensifier circuit according to claim 1, is characterized in that: the video capture processor of described sky hanging camera lens and submersible type camera lens inside all comprises: control module, driver module, illuminant module, sampling module and output module;
Described control module, it sends triggering signal to driver module for receiving outside triggering signal;
Described driver module, it for receiving the triggering signal of control module, and drives illuminant module work;
Described illuminant module, this light signal for receiving extraneous light signal, and is converted to the signal of telecommunication by it;
Described sampling module, the signal of telecommunication processed for carrying out sampling process to the signal of telecommunication of illuminant module, and is sent to output module by it;
Described output module, it is for being converted to digital signal by this signal of telecommunication, line output of going forward side by side.
3. the video acquisition process of medical camera system and intensifier circuit according to claim 2, it is characterized in that: described video capture processor also comprises one times of frequency module, its frequency for the triggering signal inputted outside carries out doubling process, then is sent to control module.
4. the video acquisition process of medical camera system and intensifier circuit according to claim 3, is characterized in that: described video capture processor outside is provided with: for receive supply power voltage power port, for outputting video signal video signal port, for export row field signal row field signal port, for receiving reference voltage electricity reference signal port and frequently for receiving the clock signal port of external timing signal.
5. the video acquisition process of medical camera system and intensifier circuit according to claim 1, is characterized in that: the picture processing chip of described sky hanging camera lens and submersible type camera lens inside all comprises: data sink, master controller, image processor and data logger;
Described data sink, it is for receiving outside view data;
Described master controller, it is for receiving outside triggering signal, and the operating state of the described data sink of corresponding control, image processor and data logger;
Described image processor, it is for processing image; Described image processor comprises a white balance permanent circuit, and it, for according to the parameter preset, carries out the fixed adjustment of white balance;
Described data logger, it is for exporting the view data after process.
6. the video acquisition process of medical camera system and intensifier circuit according to claim 5, it is characterized in that: described picture processing chip also comprises a frequency multiplier, its frequency for the triggering signal inputted outside carries out doubling process, then is sent to master controller.
7. the video acquisition process of medical camera system and intensifier circuit according to claim 6, is characterized in that: described image processor also comprises an exposure gain circuit, for increasing exposure gain size.
8. the video acquisition process of medical camera system and intensifier circuit according to claim 7, it is characterized in that: described image processor also comprises an optical detection circuit and flash detection circuit, its brightness for detection image and flashing state, and result of detection is sent to exposure gain circuit.
9. the video acquisition process of medical camera system and intensifier circuit according to claim 8, is characterized in that: described picture processing chip outside is provided with: for receive supply power voltage power port, for receive picture signal receiver port, for outputting video signal video signal port, for export row field signal row field signal port, for receive external timing signal clock signal port, for receive store data data receiver port and for receiving the PORT COM of external communication order.
10. the video acquisition process of medical camera system and intensifier circuit according to claim 1, is characterized in that: described image enhaucament chip internal comprises: data sink, de-noising processor, dynamic memory, image intensifier, pixel self adaptation proofreading equipment, data logger, static memory, controller, vision signal multiplier, storage signal multiplier and clock generator;
Described data sink, it for receiving viewdata signal, and is sent to 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 dynamic memory;
After the view data of described dynamic memory after receiving de-noising processor 2 process, then be forwarded to 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, view data after process is first sent to described pixel self adaptation proofreading equipment by described image intensifier, carry out pixel by this pixel self adaptation proofreading equipment and adapt to check and correction, then be sent to data logger;
Described data logger, it for receiving the view data after image intensifier process, and carries out data output;
Described static memory, it is for the driving data of memory image booster, to drive the work of 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 clock generator, its for centered by process chip clocking, 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.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105306886A (en) * | 2015-09-18 | 2016-02-03 | 广东实联医疗器械有限公司 | Video acquisition processing and reinforcing circuit for medical camera system |
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| CN105306886A (en) * | 2015-09-18 | 2016-02-03 | 广东实联医疗器械有限公司 | Video acquisition processing and reinforcing circuit for medical camera system |
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