CN101904749A - Accessory system for medicine CT image diagnosis - Google Patents
Accessory system for medicine CT image diagnosis Download PDFInfo
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- CN101904749A CN101904749A CN2009100722488A CN200910072248A CN101904749A CN 101904749 A CN101904749 A CN 101904749A CN 2009100722488 A CN2009100722488 A CN 2009100722488A CN 200910072248 A CN200910072248 A CN 200910072248A CN 101904749 A CN101904749 A CN 101904749A
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Abstract
The invention discloses an accessory system for medicine CT image diagnosis. The system utilizes powerful functions of a DSP chip in image processing and organically combines the DSP chip and a PC machine to set up a small CT image processing hardware system, thereby collecting the image contents of a medicine CT picture to the DSP chip through a video collection module in real time and carrying out various image processing processes which is beneficial to pathogenetic condition diagnosis for a doctor on collected image data, wherein the processes comprises medicine CT image edge detection, interpolation and other basic operations; the system uses a TMS320DM642 chip from a TI company as a system core, the video collection module is composed of a high resolution camera and TVP5150 video decoding chips, and a video output module consists of SAA7104 video coding chips; and finally, an emulator and Ethernet are connected with the PC machine to realize the data communication of a host and the system. The invention can greatly improve efficiency and level of modern medical diagnosis and treatment, has low manufacturing cost and wide application prospect, and can be produced in batch.
Description
Technical field
The present invention relates to a kind of medical diagnosis aid system, relate in particular to a kind of accessory system for medicine CT image diagnosis, this system cooperates medical film viewer to use together, be that a kind of auxiliary doctor carries out the utility that medicine CT image is read the sheet diagnosis, belong to the area of computer aided observation analysis applied technical field of medical image.
Background technology
CT machine (X computer on line transverse axial scanner) is one of most important invention on the human civilization history, owing to it obtains Nobel Prize to the major contribution of science.At present, the CT machine has been widely used in the clinical diagnosis of hospital, and the CT image has contained abundant information, is one of most important image datas such as medical diagnosis, scientific research, teaching.By discovering, the doctor to patient's medical diagnosis on disease often clinical experience by for many years carry out, this comprises the diagnosis of reading the CT sheet, but doctor individual's clinical experience is again very limited, so the Heuristics that is hidden in the case data has significant meaning to helping the doctor to carry out medical diagnosis on disease.Yet, how extracting useful Heuristics from these case data is a difficult problem, what because original case data have comprised hundreds of attribute of patient, also be difficult to from the medical data of such numerous and complicated, analyze knowledge even if having the doctor of clinical experience.The medicine CT image treatment technology is very extensive in application medically, much is used for CT image auxiliary diagnosis technology and has been applied in clinical medicine widely.In the world, the medical image interaction platform of Germany tumor research center GCRC exploitation and by the 3DVIEWNIX system of U.S. University of Pennsylvania radioactive series Medical Image Processing group development provides functions such as medical image pretreatment, two and three dimensions are visual, graphical analysis.China begins to carry out the work of Medical Image Processing Study on Technology from eighties of last century, domestic mainly contain Shenyang Neusoft and the Philip joint, Shenzhen Mai Kete and Siemens be joint to be engaged in diagnostic device hardware manufacturing and software processing system exploitation, though more than the system done of these producers reached the purpose of clinical use, the very high and system of price is still waiting perfect at aspects such as the clear demonstration of image, focus location, three-dimensional visualizations.Present stage observes the medicine CT image printing film and mainly still utilizes traditional medical film viewer.The quality of diagnosis of medicine CT picture depends on the brightness of film viewer and the quality of film to a large extent, yet is exactly the slight change of this condition, can have influence on the observability and the contrast of film details.The present domestic a lot of film viewers and the quality of CT image print film are also not very good, this will have influence on the clinician and utilize medical film viewer to carry out the diagnosis of CT image, therefore the digitized processing and the storage of medicine CT image become problem that needs to be resolved hurrily on the clinical medicine.
Summary of the invention
In order to address the above problem, the object of the present invention is to provide a kind of accessory system for medicine CT image diagnosis, the Digital Image Processing dsp chip that it utilizes 600MHz power and itself and PC combined build a Small-sized C T Flame Image Process hardware system aspect Flame Image Process.This system can collect by video acquisition module the picture material in the medicine CT picture commonly used in real time also can be to collecting the various Flame Image Process that help state of an illness diagnosis of carrying out of view data real-time in the dsp chip, as the medicine CT image rim detection, interpolation, basic operations such as registration.This system can help the clinician to comprise some auxiliary diagnosises of reading the CT sheet, to improve the speed and the precision of diagnosis.
The technical solution adopted for the present invention to solve the technical problems is: accessory system for medicine CT image diagnosis, it is based on DSP digital image processing apparatus power and itself and PC combined erect the hardware system that a small-sized medicine CT image is handled in real time aspect Flame Image Process.It comprises photographic head, DSP digital image processing apparatus, JTAG emulator, PC.Photographic head is connected with data wire with Video Decoder by video signal interface with the DSP digital image processing apparatus, the DSP digital image processing apparatus is connected with netting twine by network interface with RJ-45 standard ethernet interface by ethernet transceiver with PC, the DSP digital image processing apparatus is connected with the JTAG line with the JTAG emulator by the JTAG emulator interface, and the JTAG emulator is connected with data wire by the USB mouth with PC.Described DSP digital image processing apparatus is that DSP central processing unit chip TMS320DM642 is installed on printed circuit board (PCB), at port I
2Be connected Video Decoder A/D chip TVP5150 on C and the VP1, Video Decoder is connected with video signal interface on the printed circuit board (PCB), at port I
2C is connected video encoder D/A chip SAA7104 with VP0, connect ethernet transceiver at the EMAC port, ethernet transceiver connects RJ-45 standard ethernet interface on the printed circuit board (PCB), connect JTAG emulator interface on the printed circuit board (PCB) at port JTAG, be connected with synchronous dynamic random access memory SDRAM (32M) and self-starting function depositor FLASH (32M) simultaneously at port EMIF, be connected with 3.3v and 1.4v power supervisor at port DVDD and CVDD.The system works principle is: photographic head is used to absorb doctor's interesting areas image and video signal transmission is arrived Video Decoder, and every road signal is decoded into the video interface that digital parallel signal BT656 code stream is delivered to the TMS320DM642 chip through video decoder chip A/D conversion chip TVP5150.The TMS320DM642 chip is decoded to the BT656 code stream of video interface input and is obtained range image, and is transferred among the synchronous dynamic random access memory SDRAM by EMIF automatically and stores.The CPU of TMS320DM642 chip is by the image among the access synchronized dynamic memory SDRAM, it carried out sending after the digital picture algorithm process output to sdram buffer.Formation BT656 code stream was sent video encoder after the video output interface of TMS320DM642 chip was obtained data by the output buffer of EMIF port from SDRAM automatically.It is treated and convert data video signal to that video encoder D/A conversion chip SAA7104 receives the BT656 code stream of output, code and intermediate images data when the synchronous dynamic random access memory SDRAM in the native system is used for the storage system operation, self-starting function depositor FLASH is used for saved system self-starting code and system-program code, the effect of ethernet transceiver is that treated viewdata signal is transferred in the PC by netting twine, the doctor can be when carrying out medicine CT image diagnosis like this, directly utilizes the IE browser to watch after treatment image on PC.The DSP image processing apparatus connects PC to realize the data communication between main frame and the system by emulator and Ethernet interface, can can pass through it simultaneously to digital image processing apparatus dsp chip loading procedure to carrying out the bright visit of full impregnated with the outer resource of sheet in the sheet of digital image processing apparatus dsp chip by emulator.The doctor can be when carrying out medicine CT image diagnosis, directly utilizes the IE browser to watch image after treatment on PC and send order by emulator to the DSP digital image processing apparatus.The function that native system present stage can realize is some basic Medical Image Processing algorithms such as interpolation of medicine CT image pretreatment and medicine CT image.The medicine CT image pretreatment is mainly the doctor and provides treated than picture rich in detail, thereby makes things convenient for the diagnosis of doctor to disease.And Image Edge-Detection is one of pretreated key technology of medical image, purpose is to determine object in the image of noise background is arranged, it is the part of most critical in all medical image pretreatment, this product can realize to the pending zone of medicine CT image real-time carry out edge detection process, the contour edge line of handling back CT image-region can completely be presented in face of the doctor clearly.The interpolation processing of medicine CT image, clinical diagnosis to the doctor also is very important, amplify by interpolation image, the doctor can obtain organizing profile lossless image more clearly, be convenient to the doctor and make diagnosis more accurately, interpolation processing also plays important effect in the three-dimensional reconstruction of medical image in addition.Last doctor can directly store treated CT image in the PC, uses for follow-up diagnosis.The autgmentability of native system is extremely strong, can carry out various Medical Image Processing algorithm design and realization, occur the functions that are applicable to that medicine CT image is handled more in the future, will help the popularization and the use of new diagnosis and treatment method, and can improve the efficient and the level of modern medical diagnosis, treatment greatly.The present invention also will be applicable in the diagnosis of medical images such as X-ray film and nuclear-magnetism image film after transforming, the CT image is carried out REGION INTERPOLATION to be amplified, be convenient to better observe the image detail part, use different algorithms can also realize other functions such as Image Edge-Detection, the doctor can only select partial function on demand.
The invention has the beneficial effects as follows: photographic head is aimed at the interesting areas of CT film viewer Chinese medicine CT film, then data are passed in the DSP digital image processing apparatus by data wire, the DSP digital image processing apparatus carries out A/D and D/A conversion to view data, and in this process, the image-region that reads in is carried out the interpolation interpolator arithmetic and handle, finally by netting twine video signal is delivered in the PC so that doctor Real Time Observation and storage image after treatment in computer, thereby reached the purpose of auxiliary diagnosis with its powerful network function.Native system comprises fairly simple image processing software algorithm of a cover and perfect hardware system, and is simpler and more direct with assist clinicians, comprises the basic clinical diagnosis of reading the CT sheet accurately.In addition, this accessory system for medicine CT image diagnosis can also come the doctor is carried out professional training as simulator, and the autgmentability of native system is extremely strong, can carry out various Medical Image Processing algorithms transplants and realizes, be specially adapted to the research and development of medical science related system, the popularization and the use of new diagnosis and treatment method will be helped, and the efficient and the level of modern medical diagnosis, treatment can be improved greatly.This product also is easy to expand to INDUSTRIAL CT IMAGE, as CT defectogram picture etc., also can do corresponding processing, in the positive effect of aspects such as product detection performance.This system has characteristics such as use is efficient and convenient, cost is low, and the prospect of applying with further developmental research is arranged.
Description of drawings
The present invention will be further described below in conjunction with drawings and Examples
Fig. 1 is the structured flowchart of accessory system for medicine CT image diagnosis of the present invention.
Fig. 2 is the DSP digital image processing apparatus internal structure block diagram of Fig. 1.
Fig. 3 is the work process block diagram of Fig. 1.
Number in the figure
1, DSP digital image processing apparatus 2, photographic head 3, JTAG emulator
4, PC
The specific embodiment
See also Fig. 1, Fig. 2, a kind of accessory system for medicine CT image diagnosis. it is based on DSP digital image processing apparatus (1) power and itself and PC (4) combined erect the hardware system that a small-sized medicine CT image is handled in real time aspect Flame Image Process.It comprises photographic head (2), DSP digital image processing apparatus (1), JTAG emulator (3), PC (4).Photographic head (2) is connected with data wire with Video Decoder by video signal interface with DSP digital image processing apparatus (1), DSP digital image processing apparatus (1) is connected with netting twine by network interface with RJ-45 standard ethernet interface by ethernet transceiver with PC (4), DSP Digital Image Processing dress (1) is put by the JTAG emulator interface and is connected with the JTAG line with JTAG emulator (3), and JTAG emulator (3) is connected with data wire by the USB mouth with PC (4).Described DSP digital image processing apparatus (1) is that DSP central processing unit chip TMS320DM642 is installed on printed circuit board (PCB), at port I
2Be connected Video Decoder A/D chip TVP5150 on C and the VP1, Video Decoder is connected with video signal interface on the printed circuit board (PCB), at port I
2C is connected video encoder D/A chip SAA7104 with VP0, connect ethernet transceiver at the EMAC port, ethernet transceiver connects RJ-45 standard ethernet interface on the printed circuit board (PCB), connect JTAG emulator interface on the printed circuit board (PCB) at port JTAG, be connected with synchronous dynamic random access memory SDRAM (32M) and self-starting function depositor FLASH (32M) simultaneously at port EMIF, be connected with 3.3v and 1.4v power supervisor at port DVDD and CVDD.
See also Fig. 3, the work process of accessory system for medicine CT image diagnosis is:
(1) doctor is at first with interested image-region in the CT film on photographic head (2) the aligning film viewer;
(2) power on for digital image processing apparatus (1), open photographic head (2) and begin to absorb the area image that needs processing, and with in the digital image processing apparatus (1) that transfer of data arrives with photographic head (2) links to each other;
(3) digital image processing apparatus (1) carries out the processing of interpolation interpolator arithmetic to the image that extracts, and concrete steps are described as follows:
(3.1) the Video Decoder pending video signal that will collect is decoded into digital signal and delivers to the video port of Digital Image Processor dsp chip;
(3.2) video interface of TMS320DM642 chip (input) decoded digital signal obtains area image, and is transferred in the SDRAM memorizer by EMIF automatically and stores;
(3.3) CPU of the DM642 of TMS320DM642 chip carries out sending output buffer (in SDRAM) after the interpolation interpolator arithmetic is handled to it by the image in the access sdram;
(3.4) formation BT656 code stream was sent after the video interface of TMS320DM642 chip (output) was obtained data by the output buffer of EMIF from the SDRAM memorizer automatically;
(3.5) video encoder receives the BT656 code stream of output, converts data video signal to;
(3.6) ethernet transceiver will encode the data video signal of output utilize its powerful network function by the real-time synchronous transfer of netting twine in the PC (4);
(4) doctor utilizes IE browser direct observation to handle video image after the amplification that the back real-time Transmission comes through the interpolation interpolator arithmetic in the display of PC (4), and carries out the diagnosis based on the CT image on this basis;
(5) after diagnosis finishes, the doctor can determine whether to store present image according to actual needs, storage then can directly utilize JTAG emulator (3) that digital image processing apparatus (1) is sent order and preserve present image as need, close the power supply of digital image processing apparatus (1) at last, finish this task.
Claims (3)
1. accessory system for medicine CT image diagnosis; It is characterized in that: combine the hardware system that erects the real-time processing of a small-sized medicine CT image at power aspect the Flame Image Process and with itself and PC (4) based on DSP digital image processing apparatus (1).
2. accessory system for medicine CT image diagnosis according to claim 1 is characterized in that: it comprises photographic head (2), DSP digital image processing apparatus (1), JTAG emulator (3), PC (4); Photographic head (2) connects with data wire with Video Decoder by video signal interface with DSP digital image processing apparatus (1), DSP digital image processing apparatus (1) is connected with data wire by network interface with RJ-45 standard ethernet interface by ethernet transceiver with PC (4), DSP Digital Image Processing dress (1) is put by the JTAG emulator interface and is connected with the JTAG line with JTAG emulator (3), and JTAG emulator (3) connects with data wire by the USB mouth with PC (4).
3. accessory system for medicine CT image diagnosis according to claim 1 is characterized in that: described DSP digital image processing apparatus (1) is that DSP central processing unit chip TMS320DM642 is installed on printed circuit board (PCB), at port I
2Be connected Video Decoder A/D chip TVP5150 on C and the VP1, Video Decoder is connected with video signal interface on the printed circuit board (PCB), at port I
2C is connected video encoder D/A chip SAA7104 with VP0, connect ethernet transceiver at the EMAC port, ethernet transceiver connects RJ-45 standard ethernet interface on the printed circuit board (PCB), connect JTAG emulator interface on the printed circuit board (PCB) at port JTAG, be connected with synchronous dynamic random access memory SDRAM (32M) and self-starting function depositor FLASH (32M) simultaneously at port EMIF, be connected with 3.3v and 1.4v power supervisor at port DVDD and CVDD.
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| CN2009100722488A CN101904749A (en) | 2009-06-05 | 2009-06-05 | Accessory system for medicine CT image diagnosis |
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| CN2009100722488A CN101904749A (en) | 2009-06-05 | 2009-06-05 | Accessory system for medicine CT image diagnosis |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103892855A (en) * | 2012-12-28 | 2014-07-02 | 上海联影医疗科技有限公司 | Digital medical image processing method and device |
| CN112951384A (en) * | 2021-02-04 | 2021-06-11 | 慧影医疗科技（北京）有限公司 | Data simulation generation method and system for medical imaging equipment |
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2009
- 2009-06-05 CN CN2009100722488A patent/CN101904749A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103892855A (en) * | 2012-12-28 | 2014-07-02 | 上海联影医疗科技有限公司 | Digital medical image processing method and device |
| CN112951384A (en) * | 2021-02-04 | 2021-06-11 | 慧影医疗科技（北京）有限公司 | Data simulation generation method and system for medical imaging equipment |
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Application publication date: 20101208 |