CN201218869Y - Digital microscope based on embedded system - Google Patents
Digital microscope based on embedded system Download PDFInfo
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- CN201218869Y CN201218869Y CN 200820121574 CN200820121574U CN201218869Y CN 201218869 Y CN201218869 Y CN 201218869Y CN 200820121574 CN200820121574 CN 200820121574 CN 200820121574 U CN200820121574 U CN 200820121574U CN 201218869 Y CN201218869 Y CN 201218869Y
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Abstract
The utility model relates to a digital microscope based on embedded system, comprising a microscope main body, an image information collecting unit, an image information processing unit and an image processing unit connected to the image information processing unit. The image information processing unit comprises a microprocessor having image signal processing module and an image signal storage device for storing processed image signal. The utility model is characterized in that the microprocessor is a microprocessor loaded with embedded operating system, and has image real-time measurement and dynamic calibration processing module. Comparing with technique in prior art, the utility model has advantages of strong processing capability, easiness for new function expansion, and capability of real-time observing and measuring image, and dynamically calibrating because of loaded with embedded operating system and equipped with image real-time measurement and dynamic calibration module. The utility model has high information process efficiency and low energy consumption.
Description
Technical field
The utility model relates to a kind of digit microscope, particularly relates to a kind of digit microscope based on embedded system.
Background technology
Realize to solve optical image signal being changed into data image signal in the process of electronic information digit microscope in conventional microscope, offer computing machine and carry out a series of processing.
Though it is many to research and produce the manufacturer of digit microscope at present both at home and abroad, most electronic control parts have adopted cmos image sensor and digital signal processor DSP to consist of the master, and the display device of external standard is as computer monitor, monitor etc.For example notification number is: the microscopical embedded image treating apparatus of announcing in the Chinese invention patent of CN1282939 (patent No. is: ZL 200310111011.9) " directly microscopical embedded image processing method of digitizing and the device that shows " of digitizing, adopt DSP digital signal processor framework to realize.Because the restriction of DSP framework makes its shortcoming dirigibility, the secondary development difficulty is bigger, is not easy to add new function; Simultaneously because picture shot or video mainly depend on the software algorithm of DSP Flame Image Process, thereby cause different algorithms very big to the quality influence of image; The dsp processor code efficiency is not high, and power consumption is bigger.The display device of external standard is realized Presentation Function.Make said method have bulky, cost is higher and deficiency such as the more function singleness of electric wire, has restricted applying of this class digit microscope greatly.
The utility model content
Technical problem to be solved in the utility model is the deficiency that overcomes above-mentioned existing digit microscope technology, provides a kind of processing capacity powerful and can carry out the digit microscope based on embedded OS of Real Time Observation and dynamic calibration to image.
The utility model solves the problems of the technologies described above the technical scheme that is adopted: should be based on the digit microscope of embedded system, comprise microscope body, the image information collecting unit, Image Information Processing unit and the image-display units that links to each other with this Image Information Processing unit, the storer of the picture signal after described Image Information Processing unit comprises the microprocessor with picture signal processing module and is used for storing processing, it is characterized in that: described microprocessor is the microprocessor that is mounted with embedded OS, and this microprocessor also has image measurement and dynamic calibration processing module in real time.
Has good man computer interface owing to be mounted with the microprocessor of embedded OS, processing capacity is powerful, and expand new function easily, and the image that comprises is measured in real time and the dynamic calibration processing module can carry out Real Time Observation to image, measure and can also dynamically demarcate.
The processing procedure of image measurement in real time here and dynamic calibration processing module is: at first by imageing sensor picture signal is gathered in real time and come, needing to carry out scale then demarcates, the scaling ruler that superposes on the dynamic digital image cooperates physical scale, measures the calibration value of system; Last according to the calibration value of preserving in advance, at dynamic digital image rendering survey instrument,, object is measured as the cross rule.Like this, the image information of gather just can be measured in microprocessor and be analyzed in real time, then image is carried out dynamic calibration, deliver to image-display units after, just can be used for direct viewing.
Check image-display units for the convenience of the users, as improvement, the back fixation of described image-display units has support bar, and described microscope body top is provided with the mounting hole that inserts for described support bar.Like this, image-display units just can plug-in type be installed on the microscope top, removes and installs conveniently, can also in needs image-display units be removed observation simultaneously.
For with the image-display units downlink connection, described Image Information Processing unit also includes a video d/a converter, VGA interface, RCA interface, described video d/a converter links to each other with described microprocessor, and described VGA interface, RCA interface all link to each other with described D/A converter.
Here, the image-display units cable that has plug by both sides links to each other with the VGA interface of described Image Information Processing list.
Like this, image information after the above-mentioned decompression changes into simulating signal through VGA, the output of RCA interface by the video d/a converter, the outside display device that can connect standard VGA interface or RCA interface makes things convenient for observation and the measurement of microscope applications in various occasions.
In order to expand communication with external device, described Image Information Processing unit also includes at least a with one of lower interface or its combination: Ethernet interface, USB interface, SD card and radio network interface.
Wherein, Ethernet interface and radio network interface can be supported communicating with one another and resource sharing between many microscopes or between microscope and PC, conveniently realization interactive teaching and learning function, and radio network interface has been avoided loaded down with trivial details wiring installation, conveniently is applied to fields such as interactive teaching and learning.USB interface can realize that then the mouse of USB interface or other USB peripheral hardwares just can carry out communication with microprocessor.Carry out exterior storage for the image information after will compressing, described Image Information Processing unit also includes the SD card, and this SD card links to each other with described microprocessor.
Described Image Information Processing unit also includes audio input interface and audio output interface, and this frequency input interface all links to each other with described microprocessor with audio output interface.Like this, the user can also hear real-time voice when observing realtime graphic.
For better and embedded OS carry out data interaction, described image information display unit is a touch-type TFTLCD display.
At last, described microprocessor is the microprocessor with hardware compression processing module of MPEG-4.Like this, image information will have treatment effeciency preferably in the middle of processing procedure.
Compared with prior art, advantage of the present utility model is: by being the loading embedded OS at microprocessor, and image is set in microprocessor to be measured and the dynamic calibration processing module in real time, its processing power is powerful, and can carry out Real Time Observation and dynamic calibration to image, the new function of expansion can also be carried out Real Time Observation, measurement to image easily, can also dynamically demarcate; The efficient height of process information, power consumption is little.
Description of drawings
Fig. 1 is the perspective view of the utility model embodiment;
Fig. 2 takes later perspective view for image-display units 3 among Fig. 1 apart from microscope body 1;
Fig. 3 is the module frame chart based on the digit microscope of embedded system.
Embodiment
Embodiment describes in further detail the utility model below in conjunction with accompanying drawing.
Digit microscope shown in Fig. 1～2 based on embedded system, comprise microscope body 1, image acquisition units, Image Information Processing unit and the image-display units 3 that links to each other with this Image Information Processing unit, the Image Information Processing unit is installed in the microscope body 1, and the back fixation of image-display units 3 has support bar 31, and microscope body 1 top is provided with the mounting hole 11 that inserts for support bar 31.Image-display units 3 is installed in the top of microscope body 1 in the mode of pegging graft.
In the present embodiment, image-display units 3 adopts 8.4 inches TFT LCD display, can make things convenient for the user to observe, and 8.4 inches TFT LCD display has the cable 4 of plug and links to each other with the Image Information Processing unit by both sides.When the user need take off image-display units 3 observation, can directly the TFT LCD display be taken off easily, and can not exert an influence, dismounting is very convenient.Here can also be connected a rolling body between the back of TFT LCD display and the support bar 31, do in vertical direction to tilt at any angle in 90 ° of-120 ° of scopes, can make things convenient for the user to observe in different angles to realize aforementioned display device.
Image acquisition units then adopts the cmos image sensor that light signal is converted to data image signal, and the connecting interface by special use is transferred to the Image Information Processing unit with data image signal.
And the Image Information Processing unit by microprocessor with data image signal processing module, the storer and all kinds of IO interface that are used for storing the data image signal after the processing forms, referring to shown in Figure 3.
Microprocessor adopts the microprocessor based on the ARM9 kernel; Storer has data-carrier store SDRAM, NANDFLASH storer; All kinds of IO interfaces include display screen, Ethernet interface, the WLAN wireless network module of external memory storage SD socket, video d/a converter, VGA, RCA analog video interface, USB2.0 interface, audio-frequency module, TFT LCD band touch function.Above-mentioned image-display units 3 is exactly to link to each other with the VGA interface by the cable that both sides have a plug.
Above-mentioned microprocessor based on the ARM9 kernel, it comprises instruction Cache and Data Cache, has task communication module (TCM) interface, memory management unit (MMU), in be mounted with embedded OS, embedded OS can be Windows ce or Linux embedded OS here; This embedded OS is supported multithreading, developer's customization operations system kernel, makes things convenient for the realization system to increase new function.And be provided with in the microprocessor based on the ARM9 kernel that data image signal processing module, image are measured in real time and the processing module of dynamic calibration, video preprocessor processing module, the data image signal processing module is a hardware full duplex codec of supporting the MPEG-4 form of its inside, and this hardware full duplex codec can compress the image of dynamic acquisition and decompress; Image is measured in real time and the dynamic calibration processing module then superposes on dynamic digital image scaling ruler cooperates physical scale, the calibration value of mensuration system, so can be according to the calibration value of preserving in advance, at dynamic digital image rendering survey instrument,, object is measured as the cross rule; The video preprocessor processing module has then realized processing such as Bayer interpolation, chrominance space conversion, image zoom, white balance, Gamma correction, ADNR denoising, brightness, saturation degree, contrast adjustment, thereby improves the image taking quality; Utilize image to measure in real time and the dynamic calibration processing module is carried out the video character stack and is implemented in that survey instrument figures such as stack surveyors' staff and cross curve carry out measurement function, support USB mouse or touch screen operation on the dynamic image through pretreated data image signal.The lcd controller of data image signal after the stack by embedded microprocessor exports TFTLCD to and realizes that high-resolution true color shows, can realize simultaneously to data image signal be compressed into image or video file and be stored in NANDFLASH or outside SD card reservoir in; The embedded OS support is to image/video browsing file, the playing function of storage in addition.The effect of video d/a converter is above-mentioned data image signal to be converted to simulating signal be delivered to VGA, RCA interface, supports the display device of outside expansion.Above-mentioned view data after treatment can realize many microscopical networkings by the WIFI module of Ethernet interface or WLAN, realizes resource sharing and interactive teaching and learning function easily.
Cmos image sensor links to each other with the picture information process unit by cable, here the cable of Cai Yonging is the HDMI connecting line, because the HDMI connecting line is supported the data transmission rate of 5Gbps, can transmit farthest and reach 15 meters, also solve cmos image sensor and microscope body connecting line EMI (electromagnetic interference (EMI)) and EMC (Electro Magnetic Compatibility) problem in the high speed data transfer process simultaneously.
The setting of Ethernet interface in the Image Information Processing unit and wireless WLAN module can be supported communicating with one another and resource sharing between many microscopes or between microscope and PC, the convenient interactive teaching and learning function that realizes.Here wireless WLAN module has adopted the wi-fi module of IEEE802.11b/g agreement, supports WLAN (wireless local area network) or visit exterior I nternet, avoids loaded down with trivial details wiring installation, realizes many microscope Wireless Networkings, conveniently is applied to fields such as interactive teaching and learning.
VGA interface in the Image Information Processing unit, USB interface, SD card, RCA interface can make digit microscope of the present utility model and external unit expand communication.
Display screen, Ethernet interface, the WLAN wireless network module of external memory storage SD socket, video d/a converter, VGA, RCA analog video interface, USB2.0 interface, audio-frequency module, TFT LCD band touch function can make digit microscope of the present utility model and external unit expand communication.
In addition, because embedded OS close friend's man-machine interface is arranged, can also realize of the operation of USB mouse to embedded OS by USB interface.
Operational process based on the digit microscope of embedded system: after powering on, embedded microprocessor begins external boxing block device earlier and carries out initialization, start embedded OS Windows ce or Linux then, based on finishing under this operating system platform to operations such as image signal's collection, pre-service, the stack of OSD character, MPEG-4 hardware encoding, storage, outputs.Cmos image sensor converts light signal to frame synchronizing signal, line synchronizing signal, picture element clock signal and inputs to embedded microprocessor (based on the ARM9 kernel), handles the back data image signal through embedded microprocessor and exports the TFT LCD display to and realize 24bit true color high resolving power demonstration (supporting different LCD size and resolution); Simultaneously through the compression of hardware MPEG-4 codec encodes and be stored on inner NANDFLASH or the outside SD card memory; Adopt the dynamic image Survey Software to be implemented in the demarcation of scale under the different enlargement ratios and to the real-time measurement function of digital picture, and can preserve and browse the view data of measuring; The view data support realizes many microscopical networkings by the WIFI module of Ethernet interface or WLAN, realizes resource sharing and interactive teaching and learning function easily.
Claims (8)
1, a kind of digit microscope based on embedded system, comprise microscope body, image information collecting unit, Image Information Processing unit and the image-display units that links to each other with this Image Information Processing unit, the storer of the picture signal after described Image Information Processing unit comprises the microprocessor with picture signal processing module and is used for storing processing, it is characterized in that: described microprocessor is the microprocessor that is mounted with embedded OS, and this microprocessor also has image measurement and dynamic calibration processing module in real time.
2, the digit microscope based on embedded system according to claim 1, it is characterized in that: the back fixation of described image-display units has support bar, and described microscope body top is provided with the mounting hole that inserts for described support bar.
3, the digit microscope based on embedded system according to claim 1, it is characterized in that: described Image Information Processing unit also includes a video d/a converter, VGA interface, RCA interface, described video d/a converter links to each other with described microprocessor, and described VGA interface, RCA interface all link to each other with described D/A converter.
4, the digit microscope based on embedded system according to claim 3 is characterized in that: described image-display units has plug by both sides cable links to each other with the VGA interface of described Image Information Processing unit.
5, the digit microscope based on embedded system according to claim 1, it is characterized in that: described Image Information Processing unit also includes at least a with one of lower interface or its combination: Ethernet interface, USB interface, SD card and radio network interface.
6, the digit microscope based on embedded system according to claim 1, it is characterized in that: described Image Information Processing unit also includes audio input interface and audio output interface, and this frequency input interface all links to each other with described microprocessor with audio output interface.
7, the digit microscope based on embedded system according to claim 1 is characterized in that: described image information display unit is a touch-type TFT LCD display.
8, the digit microscope based on embedded system according to claim 1 is characterized in that: described microprocessor is the microprocessor with hardware compression processing module of MPEG-4.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200820121574 CN201218869Y (en) | 2008-07-17 | 2008-07-17 | Digital microscope based on embedded system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200820121574 CN201218869Y (en) | 2008-07-17 | 2008-07-17 | Digital microscope based on embedded system |
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| CN201218869Y true CN201218869Y (en) | 2009-04-08 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102654637A (en) * | 2011-03-01 | 2012-09-05 | 麦克奥迪实业集团有限公司 | Intelligent digital microscope |
| CN104155746A (en) * | 2014-08-28 | 2014-11-19 | 广西奥顺仪器有限公司 | Surgical microscope photographing device |
-
2008
- 2008-07-17 CN CN 200820121574 patent/CN201218869Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102654637A (en) * | 2011-03-01 | 2012-09-05 | 麦克奥迪实业集团有限公司 | Intelligent digital microscope |
| CN104155746A (en) * | 2014-08-28 | 2014-11-19 | 广西奥顺仪器有限公司 | Surgical microscope photographing device |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090408 Termination date: 20160717 |