CN105677587A - Medical imaging equipment data storage method and device - Google Patents
Medical imaging equipment data storage method and device Download PDFInfo
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- CN105677587A CN105677587A CN201610005000.XA CN201610005000A CN105677587A CN 105677587 A CN105677587 A CN 105677587A CN 201610005000 A CN201610005000 A CN 201610005000A CN 105677587 A CN105677587 A CN 105677587A
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F12/00—Accessing, addressing or allocating within memory systems or architectures
- G06F12/16—Protection against loss of memory contents
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F12/00—Accessing, addressing or allocating within memory systems or architectures
- G06F12/02—Addressing or allocation; Relocation
- G06F12/08—Addressing or allocation; Relocation in hierarchically structured memory systems, e.g. virtual memory systems
- G06F12/0802—Addressing of a memory level in which the access to the desired data or data block requires associative addressing means, e.g. caches
Abstract
The invention provides a medical imaging equipment data storage method and device. The method includes the steps that multiple scanning data, acquired by a medical imaging equipment detector, of a target object is obtained; the scanning data is compressed to obtain compressed data, and the scanning data is cached in a high-speed storage device while the scanning data is compressed; the compressed data is stored to a low-speed storage device. The method and device aim to solve the technical problems that in the prior art, storage of existing scanning data is high in cost, low in efficiency and unsafe.
Description
Technical field
The present invention relates to medical instruments field, particularly relate to storage means and the device of a kind of medical imaging devices data.
Background technology
Medical imaging devices can utilize the X-ray beam etc. of accurately collimation, and a certain position of human body is scanned by the detector jointly extremely high with sensitivity, generates the image that can supply medical clinic applications, for the inspection of multiple disease.
In order to meet the storage of the mass data that medical imaging devices produces during scanning, existing medical imaging devices is after collecting original scan-data, usually this scan-data is directly stored to low speed storage device, such as mechanical type disk or the disk array that is made up of this mechanical type disk, but owing to the data volume gathered is more, therefore store the efficiency of scan-data directly to low speed storage device lower, correspondingly utilize these scan-datas to set up the efficiency of image also not high.
Summary of the invention
In view of this, the present invention provides storage means and the device of a kind of medical imaging devices data, and to solve, existing scan-data carrying cost height, efficiency is low and unsafe technical problem.
Specifically, the present invention is achieved through the following technical solutions:
On the one hand, it is provided that the storage means of a kind of medical imaging devices data, the method comprises: the multiple scan-datas obtaining the target object that medical imaging devices detector gathers; Described multiple scan-data is compressed, obtains compression data, and when described multiple scan-data is compressed, by described multiple scan-data buffer memory to high speed storing equipment; Described compression data are stored to low speed storage device.
On the other hand, it is provided that the storing device of a kind of medical imaging devices data, comprising: acquiring unit, for obtaining multiple scan-datas of the target object that medical imaging devices detector gathers; Compressed cache unit, for being compressed by described multiple scan-data, obtains compression data, and when described multiple scan-data is compressed, by described multiple scan-data buffer memory to high speed storing equipment; Storage unit, for being stored to low speed storage device by described multiple compression data.
Again on the one hand, a kind of medical imaging devices is provided, it is characterised in that, comprising: storer and treater, described storer stores performed instruction corresponding to the storing device of described medical imaging devices data, and described treater is connected by communication bus with described storer; Described treater reads performed instruction corresponding to the storing device of described medical imaging devices data and is used to perform: the multiple scan-datas obtaining the target object that medical imaging devices detector gathers;Described multiple scan-data is compressed, obtains compression data, and when described multiple scan-data is compressed, by described multiple scan-data buffer memory to high speed storing equipment; Described compression data are stored to low speed storage device.
In embodiments of the present invention, multiple scan-datas of the target object that medical imaging devices detector gathers are obtained; The plurality of scan-data is compressed, obtains compression data, and when the plurality of scan-data is compressed, by the plurality of scan-data buffer memory to high speed storing equipment; These compression data are stored to low speed storage device. Like this, owing to scan-data is compressed and store, decrease the data volume of scan-data, thus improve the storage efficiency of scan-data in low speed storage device; In addition, while storing scan-data in low speed storage device, by high speed storing this scan-data of equipment buffer memory, prevent in the process that scan-data is compressed, because the reasons such as accident power-off cause the data not also being stored in low speed storage device in time to lose, it is to increase the security of data.
Accompanying drawing explanation
Fig. 1 is the schematic flow sheet of a kind of date storage method shown in the present invention;
Fig. 2 is the schematic flow sheet of a kind of image rebuilding method shown in the present invention;
Fig. 3 is the structural representation of a kind of data storage equipment shown in the present invention;
Fig. 4 is the structural representation of another kind of data storage equipment shown in the present invention;
Fig. 5 is the hardware architecture diagram of a kind of medical imaging devices shown in the present invention.
Embodiment
Here exemplary embodiment being described in detail, its example representation is in the accompanying drawings. When description below relates to accompanying drawing, unless otherwise indicated, the same numbers in different accompanying drawing represents same or similar key element. Enforcement mode described in exemplary embodiment does not represent all enforcement modes consistent with the present invention below. On the contrary, they only with as in appended claims describe in detail, the example of device that some aspects of the present invention are consistent and method.
The term used in the present invention is only for the object describing specific embodiment, and not intended to be limiting the present invention. " one ", " described " and " being somebody's turn to do " of the odd number form used in the present invention and appended claims also is intended to comprise most form, unless context clearly represents other implications. It is further understood that term "and/or" used herein refer to and comprise one or more project of listing being associated any or all may combine.
Although it is to be understood that term first, second, third, etc. may be adopted to describe various information in the present invention, but these information should not be limited to these terms. These terms are only used for being distinguished from each other out the information of same type. Such as, without departing from the present invention, the first information can also be called as the 2nd information, and similarly, the 2nd information can also be called as the first information. Depend on linguistic context, word as used in this " if " can be construed as " ... time " or " when ... time " or " in response to determining ".
The storage means of the data that the present invention describes is applied on the medical imaging devices of high speed storing equipment of the low speed storage device simultaneously including large storage capacity and little storage capacity, by the scan-data obtained is compressed and is stored to low speed storage device, and while being compressed by scan-data, this scan-data is stored to high speed storing equipment;Owing to having carried out compressing to scan-data in the present invention and store, because this reducing the data volume of scan-data, thus improve the storage efficiency of scan-data in low speed storage device; In addition, the present invention is while compressing scan-data, by high speed storing this scan-data of equipment buffer memory, it is possible to prevent in the process that scan-data is compressed, because the reasons such as accident power-off cause the data not also being stored in low speed storage device in time to lose, it is to increase the security of data. Moreover, the present invention by the high speed storing equipment of the low speed storage device of large storage capacity and little storage capacity with the use of, guaranteeing that the present invention stores scheme safety, simultaneously efficiently, also significantly reduces the data carrying cost of medical imaging devices.
Specifically, in embodiments of the present invention, the disk array that described low speed storage device can be mechanical type disk or be made up of this mechanical type disk, described high speed storing equipment can be PCI (PeripheralComponentInterconnect, peripheral hardware sets up interconnection) the solid-state dish of-express interface, SATA (SerialAdvancedTechnologyAttachment, Serial Advanced Technology Attachment), SATAExpress, SAS (SerialAttachedSCSI, Serial Attached SCSI (SAS) interface) the solid-state dish of the interface such as 12Gbps or other Nonvolatile memory or the disk array that is made up of aforesaid device, this is not construed as limiting by the present invention. in addition, the data cached storage order of high speed storing equipment in the embodiment of the present invention is generally FIFO, namely when the capacity of the scan-data of storage on this high speed storing equipment reaches the upper limit of the storage capacity of this high speed storing equipment, then when again receiving scan-data to be stored, the scan-data storing at first on this high speed storing equipment and can deleting is deleted, then the scan-data to be stored again received is stored, like this, the storage space of the high speed storing equipment in the embodiment of the present invention can be repeatedly recycled and without the need to adopting the high speed storing equipment that storage capacity is big and cost is high, thus saved the implementation cost of the present invention and the storage space of high speed storing equipment.
For making those skilled in the art clearly and understand, below in conjunction with specific embodiment, the storage means of the medical imaging devices data of the present invention is described in detail.
Fig. 1 is the storage means of a kind of data provided by the invention, and the method is applied on medical imaging devices, comprising:
S101, the multiple scan-datas obtaining the target object that medical imaging devices detector gathers.
In this step, the scan-data of target object can be detected by the detector that sensitivity on medical imaging devices is extremely high, this target object can be patient to be scanned, this scan-data can be that medical imaging devices such as CT equipment (ComputedTomography, CT scan) scans target to as the X-ray data obtained.
S102, the plurality of scan-data is carried out compression obtain compression data, and while the plurality of scan-data is compressed, by the plurality of scan-data buffer memory on high speed storing equipment.
In this step, after the multiple scan-datas getting the target object that medical imaging devices detector gathers, this scan-data can be carried out two aspect process, on the one hand this scan-data is compressed, owing to the data volume after compression is less, it is convenient to follow-up preservation in low speed storage device, on the other hand by this scan-data synchronization caching to cache device, owing to the storage speed of cache device is very fast, it is ensured that the integrity of data.
In an optional implementation, when the target that the detector getting medical imaging devices gathers is to multiple scan-data of picture, normally first by this scan-data buffer memory to volatile storage devices (such as, internal memory) in, then from this volatile storage devices, read the plurality of scan-data and compressed by compression algorithm.In traditional technical scheme, when the compression throughput capacity compressing algorithm is lower, may before not completing the compression to the plurality of scan-data, the storage space of the plurality of scan-data in volatile storage devices is by the data cover of follow-up acquisition, and then cannot read complete scan-data to be compressed from this volatile storage devices.
In order to solve this problem, in embodiments of the present invention, by arranging the high speed storing equipment of a little storage capacity on medical imaging devices, carry out the scan-data of order buffer owing to being detained in data compression algorithm treating processes, when the follow-up scan-data to being detained compresses, all read from this high speed storing equipment, and the delay scan-data after compression is stored to low speed storage device.
Due in the embodiment of the present invention, while scan-data is compressed, by the scan-data buffer memory of this delay on high speed storing equipment, therefore, multiple scan-datas of this delay can be read from high speed storing equipment, and the scan-data of the plurality of delay is compressed.
S103, these compression data are stored in low speed storage device.
In this step, after multiple scan-datas of the target object of the detector collection of medical imaging devices are compressed, compression data are stored to low speed storage device, it is less than the data volume before compression owing to compressing the data volume of data, therefore, it is possible to store data faster, thus improve the efficiency that data store, and can store in this low speed storage device and more compress data, it is to increase to the utilization ratio of low speed storage device storage space.
Further, utilizing the present invention, the scan-data gathering target object is stored in the process of low speed storage device, if the fault of meeting accident or power-off, although now described scan-data may also not complete the storage in low speed storage device, but it is buffered on high speed storing equipment due to relevant scan-data; Therefore, in the embodiment of the present invention, after re-powering, it is possible to read the scan-data that this does not complete to store from high speed storing equipment, thus being possible to prevent the reasons such as accident power-off causes the data not also being stored in low speed storage device in time to lose, it is to increase the security of data.
Complete after scan-data stores in low speed storage device in the present invention, can generate to should the index information of scan-data, this index information can be the stored position information of this scan-data in low speed storage device. In the optional implementation of one, this scan-data is identical with the storage location of low speed storage device further in the storage location of high speed storing equipment, like this, after this medical imaging devices re-powers, the storage location of the last scan-data stored in this low speed storage device is determined according to index information, and from high speed storing equipment, reading on next storage location of this storage location the scan-data stored, this scan-data is in low speed storage device not complete the scan-data stored; In another kind of possible implementation, consider burst chance failure or power-off, scan-data may be stored in low speed storage device, but also do not generate index information (i.e. storage location) in time, now, after re-powering, travel through in this low speed storage device the scan-data stored, and obtain the last storage location of scan-data that stores, and from high speed storing equipment, read the scan-data of storage on next storage location of this storage location.
Do not complete the scan-data that stores and obtain compression data after compressing reading from high speed storing equipment, then continue to be stored in low speed storage device by these compression data, thus realize continuing the scan-data not completing to store in low speed storage device being stored in this low speed storage device, avoid under the scene of chance failure or power-off, cause the loss of scan-data not completing to store in low speed storage device.
Can selection of land, when the plurality of compression data have stored in low speed storage device, whether the multiple compression data determining buffer memory on this high speed storing equipment further are the scan-data that can delete, for the scan-data that can delete, after the storage capacity of this high speed storing equipment reaches maximum value, when before these high speed storing other scan-datas of equipment buffer memory, according to the principle of FIFO, delete the scan-data deleted that this is cached on high speed storing equipment at first.
The present invention also comprises the method rebuilding image according to the multiple scan-data stored. The method can comprise two kinds of possible implementations, in a kind of possible implementation, it is to high speed storing equipment by the scan-data buffer memory that is not buffered on high speed storing equipment, thus when reading scan-data, this scan-data is read from high speed storing equipment, as shown in Figure 2, comprise the following steps:
S201, receive the data read request message that target object carried out image reconstruction, judge whether multiple scan-datas to be read are buffered on high speed storing equipment, if not, perform step S202, otherwise, perform step S203.
In this step, the data read request message that target object carries out image reconstruction can be that offline image rebuilds message, it is also possible to is online image reconstruction message. When carrying out image and rebuild, receive the identification information that image rebuilds in message the target object (as needed the patient etc. carrying out CT detection) of the image to be set up sent, this identification information can be the information such as name or numbering of this target object, and this is not construed as limiting by the present invention; After receiving the identification information of this target object, judge whether the scan-data of the target object that this identification information indicates has been buffered on high speed storing equipment.
S202, by multiple scan-data buffer memorys of being stored in low speed storage device to high speed storing equipment.
In this step, if multiple scan-datas to be read are not yet buffered on high speed storing equipment, can by be stored in low speed storage device with data read request message in indicate target object scan-data according to default data layout buffer memory to high speed storing equipment, this data layout preset can be packed format or decompressed format. In a kind of possible implementation, it is possible to read the plurality of compression data from this low speed storage device, and by buffer memory after multiple compression data decompression of reading to this high speed storing equipment; In order to by quick for the scan-data in low speed storage device buffer memory to high speed storing equipment, in another kind of possible implementation, can also after reading the plurality of compression data from this low speed storage device, first directly by the plurality of compression data buffer memory to high speed storing equipment, do not carry out decompression operation in the process.
S203, from this high speed storing equipment, read the plurality of scan-data, and carry out image reconstruction according to the plurality of scan-data.
If determining and data read request message indicates scan-data corresponding to target object being buffered in this high speed storing equipment, then from this high speed storing equipment, read this scan-data.
It should be noted that, if the scan-data stored is from buffer memory low speed storage device on high speed storing equipment, then also need to confirm that described scan-data is packed format or decompressed format, if this scan-data is decompressed format, then directly read this scan-data, if this scan-data is packed format, then also need first to obtain this scan-data by after the scan-data decompression of this packed format.Like this, the speed of scan-data is read owing to being higher than low speed storage device from the speed of high speed storing equipment reading scan-data, therefore from high speed storing equipment, read scan-data can read scan-data faster, it is to increase to the reading efficiency of scan-data.
Can selection of land, when this data read request message comprises the reading order of the plurality of scan-data, in this step, it is possible to from this high speed storing equipment, read this scan-data according to this reading order. In a feasible implementation, if the reading task queue that this reading order is user to be arranged, then read this scan-data when reading this scan-data according to the order in this reading task queue. It is described to read CT scan data reconstruction CT image below.
Assume that the offline image receiving user's transmission rebuilds message (being equivalent to data read request message), and generate CT image according to CT image foundation order (being equivalent to reading order) of multiple target object in this offline image reconstruction message and set up task queue (being equivalent to read task queue), wherein, this CT image sets up the CT image foundation order that task queue indicates target object by index value. such as, user needs to set up " Zhang San ", the CT image of " Li Si " and " king five " three target objects, then after receiving the offline image reconstruction message that user sends, generate CT image and set up task queue, wherein, this CT image set up task queue denote CT image set up order be followed successively by: " Zhang San ", " Li Si " and " king five ", then judge " Zhang San " respectively, whether the X-ray data of " Li Si " and " king five " is buffered in high speed storing equipment, if being buffered in high speed storing equipment, then from this high speed storing equipment, order reads " Zhang San ", the X-ray data of " Li Si " and " king five ", and set up CT image according to the X-ray data read, if not being buffered in high speed storing equipment, then will be stored in " Zhang San " in low speed storage device, the X-ray data buffer memory of " Li Si " and " king five " is in high speed storing equipment, and read " Zhang San " from this high speed storing equipment, the X-ray data of " Li Si " and " king five ".
In another implementation of the present invention, after performing step 201 and judging that multiple scan-datas to be read are not buffered in high speed storing equipment, it is also possible to whether the current scan-data judging to read further is first scan-data. If first scan-data, in order to improve the speed that this first scan-data reads, can consider directly low speed storage device, to read this first scan-data, with reduce described first scan-data from buffer memory low speed storage device to high speed storing equipment on time of expending, therefore, it is possible to read this first scan-data more fast.
In this embodiment, in order to realize reading fast follow-up scan-data, while reading this first scan-data on low speed storage device, whether the follow up scan data judged in this reading order are buffered in this high speed storing equipment, if determining, follow up scan data are not buffered in this high speed storing equipment, then by follow up scan data from low speed storage device buffer memory to high speed storing equipment, like this, when reading follow up scan data according to reading order, directly read this follow up scan data from this cache device; If determining, follow up scan data are buffered in this high speed storing equipment, then when reading follow up scan data according to reading order, directly read this follow up scan data from this cache device, owing to the speed directly reading data from high speed storing equipment is higher than the speed reading data from low speed storage device, from high speed storing equipment, therefore directly read the speed that data improve scan-data and read.
Corresponding to aforesaid method, the present invention provides the storing device of a kind of medical imaging devices data simultaneously, and as shown in Figure 3, this device comprises:
Acquiring unit 301, for obtaining multiple scan-datas of the target object that medical imaging devices detector gathers;
Compressed cache unit 302, for being compressed by the plurality of scan-data, obtains compression data, and when the plurality of scan-data is compressed, by the plurality of scan-data buffer memory to high speed storing equipment;
Storage unit 303, for being stored to low speed storage device by the plurality of compression data.
Can selection of land, as shown in Figure 4, this device also comprises:
Receive unit 304, for receiving the data read request message that target object is carried out image reconstruction;
Judging unit 305, for judging whether multiple scan-datas to be read are buffered in this high speed storing equipment;
Processing unit 306, for when determining that the plurality of scan-data is not buffered in this high speed storing equipment, reading on high speed storing equipment by the plurality of scan-data being stored in low speed storage device;
Image reconstruction unit 307, for carrying out image reconstruction according to multiple scan-datas of buffer memory in high speed storing equipment.
When there is the multiple scan-data to be compressed being detained, the plurality of scan-data is carried out compression and obtains compression data by this compressed cache unit 302, is specially:
From volatile storage devices, read the plurality of scan-data and compress; Or
In data compression process when there is the scan-data being detained, from this high speed storing equipment, reading the scan-data of this delay, and the scan-data of this delay is compressed.
Can selection of land, this judging unit 305 also for:
When completing the storage of the plurality of compression data in this low speed storage device, judge that the scan-data that in this high speed storing equipment, the plurality of compression data of buffer memory are corresponding is the scan-data that can delete;
This processing unit 306 also for:
After the storage capacity of this high speed storing equipment reaches maximum value, when before these high speed storing other scan-datas of equipment buffer memory, delete the scan-data that this can be deleted.
Can selection of land, this data read request message comprises the reading order of the plurality of scan-data;
This image reconstruction unit 307, for reading the plurality of scan-data according to this reading order from this high speed storing equipment.
Adopt said apparatus, owing to scan-data is compressed and store, decrease the data volume of scan-data, thus improve the storage efficiency of scan-data in low speed storage device; In addition, while storing scan-data in low speed storage device, by high speed storing this scan-data of equipment buffer memory, prevent in the process that scan-data is compressed, because the reasons such as accident power-off cause the data not also being stored in low speed storage device in time to lose, it is to increase the security of data.
What in said apparatus, the process that realizes of the function and efficacy of each unit specifically referred in aforesaid method corresponding step realizes process, does not repeat them here.
Corresponding with the embodiment of the storage means of aforementioned data, present invention also offers the embodiment of the storing device of data.
The embodiment of the storing device in the present invention can be applied on medical imaging devices, and this medical imaging devices can be CT equipment. Device embodiment can pass through software simulating, it is also possible to is realized by the mode of hardware or software and hardware combining. For software simulating, as the device on a logical meaning, to be the treater by its place medical imaging devices by computer program instructions corresponding in nonvolatile memory read runs in internal memory and is formed.Say from hardware view, as shown in Figure 5, it is a kind of hardware structure diagram of inventive memory device place medical imaging devices, except treater, internal memory, data acquisition interface and nonvolatile memory, other hardware can also be comprised, this is repeated no more.
Wherein, this storer stores performed instruction corresponding to the storing device of these medical imaging devices data, and this treater is connected by communication bus with this storer; This treater reads performed instruction corresponding to the storing device of these medical imaging devices data and is used to perform: the multiple scan-datas obtaining the target object that medical imaging devices detector gathers; The plurality of scan-data is compressed, obtains compression data, and when the plurality of scan-data is compressed, by the plurality of scan-data buffer memory to high speed storing equipment; These compression data are stored to low speed storage device.
For device embodiment, owing to it corresponds essentially to embodiment of the method, so relevant part illustrates see the part of embodiment of the method. Device embodiment described above is only schematic, the wherein said unit illustrated as separating component or can may not be and physically separates, parts as unit display can be or may not be physical location, namely can be positioned at a place, or can also be distributed on multiple NE. Some or all of module wherein can be selected according to the actual needs to realize the object of the present invention program. Those of ordinary skill in the art, when not paying creative work, are namely appreciated that and implement.
The foregoing is only the better embodiment of the present invention, not in order to limit the present invention, within the spirit and principles in the present invention all, any amendment of making, equivalent replacement, improvement etc., all should be included within the scope of protection of the invention.
Claims (11)
1. the storage means of medical imaging devices data, it is characterised in that, comprising:
Obtain multiple scan-datas of the target object that medical imaging devices detector gathers;
Described multiple scan-data is carried out compression and obtains compression data, and while described multiple scan-data is compressed, by described multiple scan-data buffer memory to high speed storing equipment;
Described compression data are stored to low speed storage device.
2. method according to claim 1, it is characterised in that, described described multiple compression data are stored to low speed storage device after, described method also comprises:
Receive the data read request message that target object is carried out image reconstruction;
Judge whether multiple scan-datas to be read are buffered on described high speed storing equipment;
When determining that described multiple scan-data is not buffered in described high speed storing equipment, by described multiple scan-data buffer memorys of being stored in low speed storage device to high speed storing equipment;
From described high speed storing equipment, read described multiple scan-data, and carry out image reconstruction according to described multiple scan-data.
3. method according to claim 1 and 2, it is characterised in that, described multiple scan-data is carried out compression and obtains compression data, be specially:
From volatile storage devices, read described multiple scan-data and compress; Or
In data compression process when there is the scan-data being detained, from described high speed storing equipment, reading the scan-data of described delay, and the scan-data of described delay is compressed.
4. method according to claim 3, it is characterised in that, described method also comprises:
When the scan-data completing described multiple compression stores in low speed storage device, it is determined that the scan-data that in described high speed storing equipment, described multiple compression data of buffer memory are corresponding is the scan-data that can delete;
After the storage capacity of described high speed storing equipment reaches maximum value, described in deleting, scan-data can be deleted.
5. method according to claim 2, it is characterised in that,
Described data read request message comprises the reading order of multiple scan-data,
Described from described high speed storing equipment, read described multiple scan-data comprise: from described high speed storing equipment, read described multiple scan-data according to described reading order.
6. the storing device of medical imaging devices data, it is characterised in that, comprising:
Acquiring unit, for obtaining multiple scan-datas of the target object that medical imaging devices detector gathers;
Compressed cache unit, obtains compression data for described multiple scan-data carries out compression, and while being undertaken compressing by described multiple scan-data, by described multiple scan-data buffer memory to high speed storing equipment;
Storage unit, for being stored to low speed storage device by described multiple compression data.
7. device according to claim 6, it is characterised in that, described device also comprises:
Receive unit, for receiving the data read request message that target object is carried out image reconstruction;
Judging unit, for judging whether multiple scan-datas to be read are buffered in described high speed storing equipment;
Processing unit, for when determining that described multiple scan-data is not buffered in described high speed storing equipment, by described multiple scan-data buffer memorys of being stored in low speed storage device to high speed storing equipment;
Image reconstruction unit, for reading described multiple scan-data from described high speed storing equipment, and carries out image reconstruction according to described multiple scan-data.
8. device according to claim 6 or 7, it is characterised in that, described multiple scan-data is carried out compression and obtains compression data by described compressed cache unit, is specially:
From volatile storage devices, read described multiple scan-data and compress; Or
In data compression process when there is the scan-data being detained, from described high speed storing equipment, reading the scan-data of described delay, and the scan-data of described delay is compressed.
9. device according to claim 8, it is characterised in that,
Described judging unit also for:
When completing the storage of described multiple compression data in low speed storage device, judge whether the scan-data that in described high speed storing equipment, described multiple compression data of buffer memory are corresponding is the scan-data that can delete;
Described processing unit also for:
After the storage capacity of described high speed storing equipment reaches maximum value, the scan-data can deleted described in deleting.
10. device according to right 7, it is characterised in that, described data read request message comprises the reading order of described multiple scan-data;
Described image reconstruction unit also for,
From described high speed storing equipment, described multiple scan-data is read according to described reading order.
11. 1 kinds of medical imaging devices, it is characterized in that, comprise: storer and treater, wherein said storer stores the performed instruction that the storing device of described medical imaging devices data is corresponding, described treater is connected by communication bus with described storer, and described treater reads performed instruction corresponding to the storing device of described medical imaging devices data and is used to perform:
Obtain multiple scan-datas of the target object that medical imaging devices detector gathers;
Described multiple scan-data is carried out compression and obtains compression data, and while being undertaken compressing by described multiple scan-data, by described multiple scan-data buffer memory to high speed storing equipment;
Described compression data are stored to low speed storage device.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107157503A (en) * | 2017-05-16 | 2017-09-15 | 东北大学 | A kind of CT devices |
| CN107943422A (en) * | 2017-12-07 | 2018-04-20 | 郑州云海信息技术有限公司 | A kind of high speed storing media data management method, system and device |
| CN110543382A (en) * | 2019-09-03 | 2019-12-06 | 上海联影医疗科技有限公司 | method and system for storing scanning data of medical imaging equipment |
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Address after: 110167 No. 177-1 Innovation Road, Hunnan District, Shenyang City, Liaoning Province Applicant after: DongSoft Medical System Co., Ltd. Address before: Hunnan New Century Road 110179 Shenyang city of Liaoning Province, No. 16 Applicant before: Dongruan Medical Systems Co., Ltd., Shenyang |
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