CN110189814A - A kind of image processing method and device - Google Patents
A kind of image processing method and device Download PDFInfo
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- CN110189814A CN110189814A CN201910346013.7A CN201910346013A CN110189814A CN 110189814 A CN110189814 A CN 110189814A CN 201910346013 A CN201910346013 A CN 201910346013A CN 110189814 A CN110189814 A CN 110189814A
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- G—PHYSICS
- G16—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR SPECIFIC APPLICATION FIELDS
- G16H—HEALTHCARE INFORMATICS, i.e. INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR THE HANDLING OR PROCESSING OF MEDICAL OR HEALTHCARE DATA
- G16H30/00—ICT specially adapted for the handling or processing of medical images
- G16H30/20—ICT specially adapted for the handling or processing of medical images for handling medical images, e.g. DICOM, HL7 or PACS
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- G—PHYSICS
- G16—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR SPECIFIC APPLICATION FIELDS
- G16H—HEALTHCARE INFORMATICS, i.e. INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR THE HANDLING OR PROCESSING OF MEDICAL OR HEALTHCARE DATA
- G16H30/00—ICT specially adapted for the handling or processing of medical images
- G16H30/40—ICT specially adapted for the handling or processing of medical images for processing medical images, e.g. editing
Abstract
The embodiment of the invention provides a kind of image processing method and devices, wherein image processing method includes: using original image as the image of n-th layer, and carrying out virtual dividing to the image of n-th layer is the pixel array being made of several pixel units；The pixel unit for choosing the pixel unit for being equal to predetermined number and selection every time from pixel unit described in several is adjacent, and the pixel unit chosen every time is synthesized a new pixel unit；Multiple new pixel units are subjected to the image that splicing generates N-1 layers；By N-1 layers of image according to the image of N-2 layers of the processing mode generation to original image, until generating the first tomographic image；The size of the resolution ratio of the memory and every tomographic image that are occupied according to every tomographic image of generation shows the target image determined from every tomographic image, to guarantee to occupy lesser memory when target image is shown.
Description
Technical field
The present invention relates to technical field of data processing, more particularly to a kind of image processing method and device.
Background technique
Check pathological section is the common test mode of one of modern medicine, will partially there is the tissue or internal organs of lesion
It handles obtained thin slice and makes pathological diagnosis for doctor to observe pathological change.Currently, check pathological section is mostly by high-precision
Degree digitlization pathological section scanner is scanned pathological section, obtains the pathological image of electronization, doctor is in computer screen
Pathological image is observed on curtain.
However, the electronic pathological image that the scanning of pathology scanning device obtains often has very high resolution ratio, display disease
A large amount of memory headroom can be consumed when managing image, service memory is easy to cause to overflow, it can not normal observation electronization pathological image.
Summary of the invention
In view of the above problems, it proposes the embodiment of the present invention and overcomes the above problem or at least partly in order to provide one kind
A kind of image processing method and device to solve the above problems.
To solve the above-mentioned problems, the embodiment of the invention discloses one kind to solve the above-mentioned problems, the embodiment of the present invention
Disclose a kind of image processing method, comprising:
Using original image as the image of n-th layer, and carrying out virtual dividing to the image of n-th layer is by several pixel lists
The pixel array of member composition, pixel array include multiple pixel columns and multiple pixel columns, and multiple pixel columns and multiple pixel columns will
Pixel array is divided into several pixel units；
The pixel unit for choosing the pixel unit for being equal to predetermined number and selection every time from several pixel units is adjacent,
And the pixel unit chosen every time is synthesized into a new pixel unit, the size of new pixel unit and preset pixel unit
Identical, the pixel unit that this pixel unit chosen was chosen with last time does not repeat；
Multiple new pixel units are subjected to splicing and generate N-1 layers of image, and according to the image to the n-th layer into
N-1 layers of image virtual is divided into the pixel array being made of several pixel units by the mode of row virtual dividing, with life
At N-2 layers of image, and by N-2 layers of image in such a way that the image to the n-th layer carries out virtual dividing by institute
It states N-2 layers of image virtual and is divided into the pixel array being made of several pixel units, to generate N-3 layers of image,
Until generating the image of first layer；
The size of the resolution ratio of the memory and every tomographic image that are occupied according to every tomographic image of generation is determined from every tomographic image
Target image, and target image is shown；
Wherein, the N indicates virtual level series, the N according to the size of presetted pixel unit, the size of original image and
The predetermined number determines that the N is the positive integer more than or equal to 2.
The embodiment of the invention also discloses a kind of devices, comprising:
Virtual dividing module for using original image as the image of n-th layer, and virtually divides the image of n-th layer
It is segmented into the pixel array being made of several pixel units, pixel array includes multiple pixel columns and multiple pixel columns, multiple pictures
Pixel array is divided into several pixel units by plain row and multiple pixel columns；
Synthesis module, for from several pixel units every time choose be equal to predetermined number pixel unit and choose
Pixel unit is adjacent, and by the pixel unit chosen every time synthesize a new pixel unit, new pixel unit with it is preset
The size of pixel unit is identical, and the pixel unit that this pixel unit chosen was chosen with last time does not repeat；
Image generation module, for multiple new pixel units to be carried out the image that splicing generates N-1 layers, and according to right
The mode that the image of the n-th layer carries out virtual dividing carries out N-1 layers of image according to the image to the n-th layer virtual
It is divided into the pixel array being made of several pixel units, to generate N-2 layers of image, and N-2 layers of image is pressed
It takes the mode for carrying out virtual dividing to the image of the n-th layer N-2 layers of the image virtual is divided by several pictures
The pixel array of plain unit composition, to generate N-3 layers of image, until generating the image of first layer；
Display module, the size of the resolution ratio of memory and every tomographic image for being occupied according to every tomographic image of generation, from
Target image is determined in every tomographic image, and target image is shown；
Wherein, the N indicates virtual level series, the N according to the size of presetted pixel unit, the size of original image and
The predetermined number determines that the N is the positive integer more than or equal to 2.
The embodiment of the present invention includes following advantages:
In embodiments of the present invention, by carrying out virtual dividing, being divided into multiple using original image as n-th layer image
The adjacent pixel unit of predetermined number is synthesized a new pixel unit, by multiple pixel units of synthesis by pixel unit
Splicing generates N-1 tomographic image, one group of image is generated step by step according to identical processing mode, so that it is identical to obtain one group of content
But the Gaussian image pyramid that image resolution ratio reduces step by step, memory that the present invention is occupied according to every tomographic image of generation and every layer
The resolution sizes of image select suitable target image to be shown from image pyramid, to guarantee in target image
Lesser memory is occupied when being shown, is overcome and is easy to cause memory during showing pathological image file in the prior art
The problem of overflowing, influencing the normal display of pathological image, and the clarity of shown pathological image can be taken into account,
Detailed description of the invention
Fig. 1 is a kind of networking schematic diagram of view networking of the invention；
Fig. 2 is a kind of hardware structural diagram of node server of the invention；
Fig. 3 is a kind of hardware structural diagram of access switch of the invention；
Fig. 4 is the hardware structural diagram that a kind of Ethernet association of the invention turns gateway；
Fig. 5 is a kind of step flow chart of image processing method provided in an embodiment of the present invention；
Fig. 6 is a kind of schematic diagram of image virtual segmentation provided in an embodiment of the present invention；
Fig. 7 is a kind of schematic diagram of pixel unit synthesis provided in an embodiment of the present invention；
Fig. 8 is a kind of structural schematic diagram of image processing apparatus embodiment provided in an embodiment of the present invention.
Specific embodiment
In order to make the foregoing objectives, features and advantages of the present invention clearer and more comprehensible, with reference to the accompanying drawing and specific real
Applying mode, the present invention is described in further detail.
It is the important milestone of network Development depending on networking, is a real-time network, can be realized HD video real-time Transmission,
Push numerous Internet applications to HD video, high definition is face-to-face.
Real-time high-definition video switching technology is used depending on networking, it can be such as high in a network platform by required service
Clear video conference, Intellectualized monitoring analysis, emergency command, digital broadcast television, delay TV, the Web-based instruction, shows video monitoring
Field live streaming, VOD program request, TV Mail, individual character records (PVR), Intranet (manages) channel by oneself, intelligent video Broadcast Control, information publication
All be incorporated into a system platform etc. services such as tens of kinds of videos, voice, picture, text, communication, data, by TV or
Computer realizes that high-definition quality video plays.
Embodiment in order to enable those skilled in the art to better understand the present invention is introduced to depending on networking below:
Depending on networking, applied portion of techniques is as described below:
Network technology (Network Technology)
Traditional ethernet (Ethernet) is improved depending on the network technology innovation networked, with potential huge on network
First video flow.It is exchanged different from simple network packet packet switch (Packet Switching) or lattice network
(Circuit Switching) meets Streaming demand using Packet Switching depending on networking technology.Depending on skill of networking
Art has flexible, the simple and low price of packet switch, is provided simultaneously with the quality and safety assurance of circuit switching, realizes the whole network friendship
Change the seamless connection of formula virtual circuit and data format.
Switching technology (Switching Technology)
Two advantages of asynchronous and packet switch that Ethernet is used depending on networking eliminate Ethernet under the premise of complete compatible and lack
It falls into, has the end-to-end seamless connection of the whole network, direct user terminal, directly carrying IP data packet.User data is in network-wide basis
It is not required to any format conversion.It is the more advanced form of Ethernet depending on networking, is a real-time exchange platform, can be realized at present mutually
The whole network large-scale high-definition realtime video transmission that networking cannot achieve pushes numerous network video applications to high Qinghua, unitizes.
Server technology (Server Technology)
It is different from traditional server, its Streaming Media depending on the server technology in networking and unified video platform
Transmission be built upon it is connection-oriented on the basis of, data-handling capacity is unrelated with flow, communication time, single network layer energy
Enough transmitted comprising signaling and data.For voice and video business, handled depending on networking and unified video platform Streaming Media
Complexity many simpler than data processing, efficiency substantially increase hundred times or more than traditional server.
Reservoir technology (Storage Technology)
The ultrahigh speed reservoir technology of unified video platform in order to adapt to the media content of vast capacity and super-flow and
Using state-of-the-art real time operating system, the programme information in server instruction is mapped to specific hard drive space, media
Content is no longer pass through server, and moment is directly delivered to user terminal, and user waits typical time less than 0.2 second.It optimizes
Sector distribution greatly reduces the mechanical movement of hard disc magnetic head tracking, and resource consumption only accounts for the 20% of the internet ad eundem IP, but
The concurrent flow greater than 3 times of traditional disk array is generated, overall efficiency promotes 10 times or more.
Network security technology (Network Security Technology)
Depending on the structural design networked by servicing independent licence system, equipment and the modes such as user data is completely isolated every time
The network security problem that puzzlement internet has thoroughly been eradicated from structure, does not need antivirus applet, firewall generally, has prevented black
The attack of visitor and virus, structural carefree secure network is provided for user.
It services innovative technology (Service Innovation Technology)
Business and transmission are fused together by unified video platform, whether single user, private user or a net
The sum total of network is all only primary automatic connection.User terminal, set-top box or PC are attached directly to unified video platform, obtain rich
The multimedia video service of rich colorful various forms.Unified video platform is traditional to substitute with table schema using " menu type "
Complicated applications programming, considerably less code, which can be used, can be realized complicated application, realize the new business innovation of " endless ".
Networking depending on networking is as described below:
It is a kind of central controlled network structure depending on networking, which can be Tree Network, Star network, ring network etc. class
Type, but centralized control node is needed to control whole network in network on this basis.
As shown in Figure 1, being divided into access net and Metropolitan Area Network (MAN) two parts depending on networking.
The equipment of access mesh portions can be mainly divided into 3 classes: node server, access switch, terminal (including various machines
Top box, encoding board, memory etc.).Node server is connected with access switch, and access switch can be with multiple terminal phases
Even, and it can connect Ethernet.
Wherein, node server is the node that centralized control functions are played in access net, can control access switch and terminal.
Node server can directly be connected with access switch, can also directly be connected with terminal.
Similar, the equipment of metropolitan area mesh portions can also be divided into 3 classes: metropolitan area server, node switch, node serve
Device.Metropolitan area server is connected with node switch, and node switch can be connected with multiple node servers.
Wherein, node server is the node server for accessing mesh portions, i.e. node server had both belonged to access wet end
Point, and belong to metropolitan area mesh portions.
Metropolitan area server is the node that centralized control functions are played in Metropolitan Area Network (MAN), can control node switch and node serve
Device.Metropolitan area server can be directly connected to node switch, can also be directly connected to node server.
It can be seen that be entirely a kind of central controlled network structure of layering depending on networking network, and node server and metropolitan area
The network controlled under server can be the various structures such as tree-shaped, star-like, cyclic annular.
Visually claim, access mesh portions can form unified video platform (part in virtual coil), and multiple unified videos are flat
Platform can form view networking；Each unified video platform can be interconnected by metropolitan area and wide area depending on networking.
Classify depending on networked devices
1.1 embodiment of the present invention can be mainly divided into 3 classes: server depending on the equipment in networking, interchanger (including ether
Net association turns gateway), terminal (including various set-top boxes, encoding board, memory etc.).Metropolitan Area Network (MAN) can be divided on the whole depending on networking
(or national net, World Wide Web etc.) and access net.
1.2 equipment for wherein accessing mesh portions can be mainly divided into 3 classes: node server, access switch (including ether
Net association turns gateway), terminal (including various set-top boxes, encoding board, memory etc.).
The specific hardware structure of each access network equipment are as follows:
Node server:
As shown in Fig. 2, mainly including Network Interface Module 201, switching engine module 202, CPU module 203, disk array
Module 204；
Wherein, Network Interface Module 201, the Bao Jun that CPU module 203, disk array module 204 are come in enter switching engine
Module 202；Switching engine module 202 look into the operation of address table 205 to the packet come in, to obtain the navigation information of packet；
And the packet is stored according to the navigation information of packet the queue of corresponding pack buffer 206；If the queue of pack buffer 206 is close
It is full, then it abandons；All pack buffer queues of 202 poll of switching engine module, are forwarded: 1) end if meeting the following conditions
It is less than that mouth sends caching；2) the queue package counting facility is greater than zero.Disk array module 204 mainly realizes the control to hard disk, packet
Include the operation such as initialization, read-write to hard disk；CPU module 203 be mainly responsible for access switch, terminal (not shown) it
Between protocol processes, to address table 205 (including descending protocol packet address table, uplink protocol package address table, data packet addressed table)
Configuration, and, the configuration to disk array module 204.
Access switch:
As shown in figure 3, mainly including Network Interface Module (downstream network interface module 301, uplink network interface module
302), switching engine module 303 and CPU module 304；
Wherein, the packet (upstream data) that downstream network interface module 301 is come in enters packet detection module 305；Packet detection mould
Whether mesh way address (DA), source address (SA), type of data packet and the packet length of the detection packet of block 305 meet the requirements, if met,
It then distributes corresponding flow identifier (stream-id), and enters switching engine module 303, otherwise abandon；Uplink network interface mould
The packet (downlink data) that block 302 is come in enters switching engine module 303；The data packet that CPU module 304 is come in enters switching engine
Module 303；Switching engine module 303 look into the operation of address table 306 to the packet come in, to obtain the navigation information of packet；
If the packet into switching engine module 303 is that downstream network interface is gone toward uplink network interface, in conjunction with flow identifier
(stream-id) packet is stored in the queue of corresponding pack buffer 307；If the queue of the pack buffer 307 is close full,
It abandons；If the packet into switching engine module 303 is not that downstream network interface is gone toward uplink network interface, according to packet
Navigation information is stored in the data packet queue of corresponding pack buffer 307；If the queue of the pack buffer 307 is close full,
Then abandon.
All pack buffer queues of 303 poll of switching engine module, may include two kinds of situations:
If the queue is that downstream network interface is gone toward uplink network interface, meets the following conditions and be forwarded: 1)
It is less than that the port sends caching；2) the queue package counting facility is greater than zero；3) token that rate control module generates is obtained；
If the queue is not that downstream network interface is gone toward uplink network interface, meets the following conditions and is forwarded:
1) it is less than to send caching for the port；2) the queue package counting facility is greater than zero.
Rate control module 308 is configured by CPU module 304, to all downlink networks in programmable interval
Interface generates token toward the pack buffer queue that uplink network interface is gone, to control the code rate of forwarded upstream.
CPU module 304 is mainly responsible for the protocol processes between node server, the configuration to address table 306, and,
Configuration to rate control module 308.
Ethernet association turns gateway:
As shown in figure 4, mainly including Network Interface Module (downstream network interface module 401, uplink network interface module
402), switching engine module 403, CPU module 404, packet detection module 405, rate control module 408, address table 406, Bao Huan
Storage 407 and MAC adding module 409, MAC removing module 410.
Wherein, the data packet that downstream network interface module 401 is come in enters packet detection module 405；Packet detection module 405 is examined
Ethernet mac DA, ethernet mac SA, Ethernet length or frame type, the view networking mesh way address of measured data packet
DA, whether meet the requirements depending on networking source address SA, depending on networking data Packet type and packet length, corresponding stream is distributed if meeting
Identifier (stream-id)；Then, MAC DA, MAC SA, length or frame type are subtracted by MAC removing module 410
(2byte), and enter corresponding receive and cache, otherwise abandon；
Downstream network interface module 401 detects the transmission caching of the port, according to the view of packet networking mesh if there is Bao Ze
Address D A knows the ethernet mac DA of corresponding terminal, adds the ethernet mac DA of terminal, Ethernet assists the MAC for turning gateway
SA, Ethernet length or frame type, and send.
The function that Ethernet association turns other modules in gateway is similar with access switch.
Terminal:
It mainly include Network Interface Module, Service Processing Module and CPU module；For example, set-top box mainly connects including network
Mouth mold block, video/audio encoding and decoding engine modules, CPU module；Encoding board mainly includes Network Interface Module, video encoding engine
Module, CPU module；Memory mainly includes Network Interface Module, CPU module and disk array module.
The equipment of 1.3 metropolitan area mesh portions can be mainly divided into 2 classes: node server, node switch, metropolitan area server.
Wherein, node switch mainly includes Network Interface Module, switching engine module and CPU module；Metropolitan area server mainly includes
Network Interface Module, switching engine module and CPU module are constituted.
2, networking data package definition is regarded
2.1 accessing network data package definition
Access net data packet mainly include following sections: destination address (DA), source address (SA), reserve bytes,
payload(PDU)、CRC。
As shown in the table, the data packet for accessing net mainly includes following sections:
| DA | SA | Reserved | Payload | CRC |
Wherein:
Destination address (DA) is made of 8 bytes (byte), and first character section indicates type (such as the various associations of data packet
Discuss packet, multicast packet, unicast packet etc.), be up to 256 kinds of possibility, the second byte to the 6th byte is metropolitan area net address,
Seven, the 8th bytes are access net address；
Source address (SA) is also to be made of 8 bytes (byte), is defined identical as destination address (DA)；
Reserve bytes are made of 2 bytes；
The part payload has different length according to the type of different datagrams, is if it is various protocol packages
64 bytes are 32+1024=1056 bytes if it is single group unicast packets words, are not restricted to above 2 kinds certainly；
CRC is made of 4 bytes, and calculation method follows the Ethernet CRC algorithm of standard.
2.2 Metropolitan Area Network (MAN) packet definitions
The topology of Metropolitan Area Network (MAN) is pattern, may there is 2 kinds, connection even of more than two kinds, i.e. node switching between two equipment
It can all can exceed that 2 kinds between machine and node server, node switch and node switch, node switch and node server
Connection.But the metropolitan area net address of metropolitan area network equipment is uniquely, to close to accurately describe the connection between metropolitan area network equipment
System, introduces parameter in embodiments of the present invention: label, uniquely to describe a metropolitan area network equipment.
(Multi-Protocol Label Switch, multiprotocol label are handed over by the definition of label and MPLS in this specification
Change) label definition it is similar, it is assumed that between equipment A and equipment B there are two connection, then data packet from equipment A to equipment B just
There are 2 labels, data packet also there are 2 labels from equipment B to equipment A.Label is divided into label, outgoing label, it is assumed that data packet enters
The label (entering label) of equipment A is 0x0000, and the label (outgoing label) when this data packet leaves equipment A may reform into
0x0001.The networking process of Metropolitan Area Network (MAN) is to enter network process under centralized control, also means that address distribution, the label of Metropolitan Area Network (MAN)
Distribution be all to be dominated by metropolitan area server, node switch, node server be all passively execute, this point with
The label distribution of MPLS is different, and the distribution of the label of MPLS is the result that interchanger, server are negotiated mutually.
As shown in the table, the data packet of Metropolitan Area Network (MAN) mainly includes following sections:
| DA | SA | Reserved | Label | Payload | CRC |
That is destination address (DA), source address (SA), reserve bytes (Reserved), label, payload (PDU), CRC.Its
In, the format of label, which can refer to, such as gives a definition: label is 32bit, wherein high 16bit retains, only with low 16bit, its position
Set is between the reserve bytes and payload of data packet.
It is a kind of step flow chart of image processing method provided in an embodiment of the present invention, the present embodiment with reference to Fig. 5, Fig. 5
The image processing method of offer is suitable for handling the electronic pathological image that pathology scanning device is obtained by scanning pathological section,
It is shown after the electronic pathological image of acquisition is handled, so that medical staff is observed research to electronic pathological image
The case where, image processing method provided in this embodiment is executed by image processing apparatus, and image processing apparatus can pass through software
And/or the mode of hardware is realized.This method can specifically include following steps:
S510: using original image as the image of n-th layer, and carrying out virtual dividing to the image of n-th layer is by several
The pixel array of pixel unit composition, which includes multiple pixel columns and multiple pixel columns, multiple pixel columns and multiple
Pixel array is divided into several pixel units by pixel column.
Original image is that pathological scanner device is scanned processing electronics pathological image obtained, the original to pathological section
Beginning image usually has very high resolution ratio, and the prior art uses and directly displays the service memory that original image is easy to cause equipment
It overflows, influences to observe.And in the present embodiment, the pixel array for being divided into several pixel units to form original image passes through
The pixel unit of segmentation is handled, treated the suitable image of resolution ratio is obtained and is shown, thereby may be ensured that
Image occupies lesser memory when showing.Fig. 6 is please referred to, Fig. 6 is a kind of image virtual segmentation provided in an embodiment of the present invention
Schematic diagram.In the embodiment of the present invention, using original image as the image of n-th layer, virtual dividing is carried out to the image of n-th layer,
In, N indicates virtual level series, and the embodiment of the present invention is by original image processing for one group of picture material is consistent but the resolution ratio of image
The image gradually decreased, the number of image included in the image group are virtual level series N, and N is just more than or equal to 2
Integer.In the embodiment of the present invention, the meaning of virtual dividing is to divide an image into multiple pockets, that is, is divided into several
Pixel unit, but image itself, without substantially being split, image is still complete image.
The image virtual of n-th layer is divided into the pixel array being made of several pixel units, wherein pixel array packet
Multiple pixel columns and multiple pixel columns are included, multiple pixel columns are laterally arranged, and multiple pixel column longitudinal arrangements divide pixel array
For several pixel units, the pixel unit divided can be square, rectangle.
S520: the pixel unit for being equal to the pixel unit of predetermined number and choosing is chosen every time from several pixel units
It is adjacent, and the pixel unit chosen every time is synthesized into a new pixel unit, new pixel unit and preset pixel unit
Size it is identical, this pixel unit for choosing with last time of pixel unit chosen does not repeat.
In the embodiment of the present invention, after the image virtual of n-th layer is divided into multiple pixel units, from multiple pixel list
In member, the pixel unit for being equal to predetermined number, and the pixel unit multiple pictures that are adjacent, and will choosing every time chosen are chosen every time
Plain unit synthesizes a new pixel unit, and synthetic method is existing method for compressing image, and those skilled in the art can root
Suitable method for compressing image is selected according to actual needs.For example, predetermined number is 4,4 pixel units are chosen every time, referring to figure
6,4 pixel units in heavy black line frame are chosen every time, show four heavy black line frames altogether in Fig. 6, it can will be each black
4 pixel units in color bold box synthesize a new pixel unit, and the size of new pixel unit is equal to heavy black line
The size of each pixel unit in frame.It should be noted that since virtual dividing is that pixel unit number can be according to reality
Situation determines, synthesizes the number of new pixel unit also according to the pixel unit number of virtual dividing and predetermined number come really
Fixed, the method provided in the method and S520 of selected pixels unit is identical, does not do citing one by one herein and introduces.
In the embodiment of the present invention, preset pixel unit can be rectangle, and original image can be rectangle, or
Square, when original image is rectangle, preset pixel unit can be rectangle, or square, original image
When being square, preset pixel unit can be rectangle, or square.The size of original image is according to original graph
The length and width of picture determines that length determines that width to include in width direction with the pixel number for including on length direction
Pixel number determine, such as original image size be 2048 × 1024 pixels, indicate length by 2048 pixels
Composition, width are made of 1024 pixels.Equally, the size of preset pixel unit according to the length of preset pixel unit and
Width determines that the length of preset pixel unit determines that width is with width direction with the pixel number for including on length direction
On include pixel number determine, for example, preset pixel cell size be 256 × 256 pixels, indicate length by 256
A pixel composition, width are made of 256 pixels.
In the embodiment of the present invention, the size of new pixel unit is identical as the size of preset pixel unit, also, new
The picture material that pixel unit is included is identical as the picture material that the summation of original multiple pixel units includes.
Fig. 7 is referred to, Fig. 7 is a kind of schematic diagram of pixel unit synthesis provided in an embodiment of the present invention.In Fig. 7, by 4
Virtual dividing at pixel unit synthesize a new pixel unit, the size of new pixel unit and preset pixel unit
Size is identical.4 original pixel units collectively illustrate a blutpunkte (being indicated in figure with circle) in pathological section, newly
Circle in one pixel unit of synthesis shows the blutpunkte that 4 original pixel units are shown jointly, new to synthesize
A pixel unit it is identical as original picture material of 4 pixel units, and can show that one in pathological section goes out
Blood point.
When executing S520, the pixel unit that this pixel unit chosen was chosen with last time is not repeated, that is to say, that every
A pixel unit is served only for the new pixel unit of single sintering, the pixel unit of virtual dividing is not repeated to synthesize new pixel list
Member.
S530: multiple new pixel units are subjected to the image that splicing generates N-1 layers, and according to the image to n-th layer
N-1 layers of image virtual is divided into the pixel array being made of several pixel units by the mode for carrying out virtual dividing, with
Generate N-2 layers of image, and by N-2 layers of image in such a way that the image to n-th layer carries out virtual dividing by N-2
The image virtual of layer is divided into the pixel array being made of several pixel units, to generate N-3 layers of image, until generating
The image of first layer.
In the embodiment of the present invention, after S520, it is new that the pixel unit of the virtual dividing of n-th layer can be synthesized to several
Pixel unit, these new pixel units are spliced, obtained after splicing one it is identical with the original image content of n-th layer, but
The lower image of resolution ratio, the lower image of the resolution ratio of the acquisition are N-1 layers of image.
After obtaining N-1 layers of image, multiple pixel unit compositions are obtained according to virtual dividing is carried out to n-th layer image
Pixel array, and multiple pixel units are synthesized to new pixel unit, new pixel unit is spliced into N-1 tomographic image
Processing method handles the image of N-1, obtains N-2 layers of image.N-2 is continued with according to the processing method
The image of layer, obtains N-3 layers of image, until ultimately producing the image of first layer.In the embodiment of the present invention, N-1 layers
The resolution ratio n-th layer of image is low, and N-1 layers of resolution ratio of N-2 layers of image are low, and the resolution ratio of the first tomographic image is most
It is low.
It should be noted that the size that N-1 tomographic image carries out multiple pixel units of virtual dividing acquisition is equal to pre-
If pixel unit size, by N-2 tomographic image carry out virtual dividing acquisition multiple pixel units size be also equal to it is pre-
If pixel unit size, and so on, also will every tomographic image carry out virtual dividing acquisition multiple pixel units ruler
The very little size for being equal to preset pixel unit.
Optionally, in the embodiment of the present invention, the image of generation is stored in picture resolution server, specifically, being every
One tomographic image establishes a file, and the image file and the tomographic image that the tomographic image is saved in each file virtually divide
The image file of the multiple pixel units cut.Optionally, multiple pixel units, example are distinguished using the representation method of coordinate position
Such as, x012y002 refers on length direction the 12nd, the 2nd pixel unit in width direction.Optionally, each pixel list
Its entitled coordinate position of file of the image file of member, such as the 12nd on length direction, the 2nd pixel unit in width direction
Image file the entitled x012y002 of file.
Optionally, using pathology access server execute S510-S530, pathology access server will treated N layer scheme
As being sent to the preservation of picture resolution server.
S540: the size of the resolution ratio of the memory and every tomographic image that are occupied according to every tomographic image of generation, from every tomographic image
Middle determining target image, and target image is shown.By step S510-S530, it is identical to obtain one group of content, but divides
The image that resolution successively reduces, the size of the resolution ratio of the memory and every tomographic image that are occupied according to every tomographic image, determines target figure
Picture, specifically, it is determined that target image be can guarantee show equipment show will not be generated when the image service memory overflow
The highest tomographic image of image intermediate-resolution.
Target image is shown, optionally, using display device displaying target image, which can be aobvious
Show the equipment that device etc. can show image file.Display device and pathology access server pass through view networking connection, disease
The every tomographic image saved can be read from image analysis server by managing access server, when user checks some on the display apparatus
When the pathological image of patient, pathology access server will obtain target image from picture resolution server, and by target image
It is checked by being sent to display device depending on networking and being shown for user.
Specifically, before executing S510, can also include:
It checks whether original image has already passed through image procossing, obtains the figure that one group of content is identical but resolution ratio successively reduces
Picture, if original image has already passed through image procossing, directly execution S540 is held if original image does not pass through image procossing
Row S510-S540.
The method provided in the embodiment of the present invention can obtain the height that one group of content is identical but image resolution ratio reduces step by step
This image pyramid, and the resolution sizes of the memory and every tomographic image occupied according to every tomographic image of generation, from image gold word
Suitable target image is selected to be shown in tower, thus guarantee to occupy lesser memory when target image is shown, gram
Taken is easy to cause memory to overflow during showing pathological image file in the prior art, influences the normal display of pathological image
The problem of, and the clarity of shown pathological image can be taken into account, so that the display of pathological image is more intelligent.
It should be noted that for simple description, therefore, it is stated as a series of action groups for embodiment of the method
It closes, but those skilled in the art should understand that, embodiment of that present invention are not limited by the describe sequence of actions, because according to
According to the embodiment of the present invention, some steps may be performed in other sequences or simultaneously.Secondly, those skilled in the art also should
Know, the embodiments described in the specification are all preferred embodiments, and the related movement not necessarily present invention is implemented
Necessary to example.
Optionally, N can lead to according to the size of presetted pixel unit, the size of original image and the predetermined number determination
Cross following steps realization:
According to the length pixel value of the length pixel value of original image and preset pixel unit, the first ratio is determined；Root
According to the width pixel value of original image and the width pixel value of preset pixel unit, the second ratio is determined；From the first ratio and
The smallest ratio is determined in second ratio, according to determining the smallest ratio and the true N of predetermined number.
In the embodiment of the present invention, preset pixel unit is square, and the length pixel value of preset pixel unit is equal to
The width pixel value of default unit.
In the embodiment of the present invention, virtual level series N is according to the size of presetted pixel unit, the size of original image and described
Predetermined number determines.
Specifically, if predetermined number is a2, according to following formula, respectively according to the length pixel value of original image and default
Pixel unit the first ratio of length calculated for pixel values, according to the width pixel value of original image and preset pixel unit
The second ratio of width calculated for pixel values, wherein the first ratio is according to the length pixel value of original image divided by preset pixel list
The result of the length pixel value of member determines that the second ratio is according to the width pixel value of original image divided by preset pixel unit
The result of width pixel value determines.For example, the smallest ratio that the first ratio less than the second ratio, that is, determines is the first ratio,
It is that bottom takes the first ratio and adds 1 after logarithm again that then N, which is equal to using a, and specific formula can be with are as follows:
N=loga(the first ratio)+1
For example, the length pixel value of preset pixel unit is 256, the length pixel value of original image is 16384, then former
The ratio of the length pixel value of pixel value and preset pixel unit on the length direction of beginning image is 64, and the first ratio is
64。
When predetermined number is 4, that is, predetermined number is set as 22, 6 new images can be obtained, in addition original image sheet
Body can obtain one group of image that quantity is 7, therefore virtual level series N is equal to 7.
Optionally, predetermined number is 4, and S520 can specifically be accomplished by the following way:
It chooses 4 pixel units every time from several pixel units, and choose every time 4 pixel units is synthesized one
A new pixel unit, wherein 4 pixel units chosen every time do not repeat.
Specifically, 4 pixel units chosen every time are pixel unit, 2m-1 row and the 2n for being in 2m-1 row and 2n-1 column
The pixel unit of the pixel unit of column, the pixel unit of 2m row and 2n-1 column and 2m row and 2n column, m, n are positive integer, work as m
When=1, n=1,2,3 ..., as m=2, n=1,2,3 ..., as m=3, n=1,2,3 ... ... ..., as m=p,
N=1,2,3 ... wherein, and p is the integer more than or equal to 1.
In the embodiment of the present invention, predetermined number is 4, and 4 pixel units chosen every time are to be in 2m-1 row and 2n-1
The pixel unit of column, the pixel unit of 2m-1 row and 2n column, 2m row and the pixel unit and 2m row of 2n-1 column and the picture of 2n column
Plain unit, such as m=2, when n=3, the pixel unit of selection is the 3rd row the 5th column, the 3rd row the 6th column, the 4th row the 5th column and the 4th
4 pixel units that row the 6th arranges, and the pixel unit chosen every time is 2 × 2 adjacent pixel units, such as m=2, n=4
When, the pixel unit of selection is 4 pixel units of the 3rd row the 7th column, the 3rd row the 8th column, the 4th row the 7th column and the 4th row the 8th column.
4 pixel units chosen every time do not repeat, i.e. 4 pictures of this 4 pixel unit chosen and last time selection
Plain unit does not repeat, that is to say, that each pixel unit is served only for the new pixel unit of single sintering, is used for without pixel unit
Repetition synthesizes new pixel unit.
Optionally, S530 can also specifically be realized by following steps:
The image for creating a blank, each new pixel unit according to new pixel unit on a upper tomographic image
Coordinate position is redrawn on the image of blank.
In the embodiment of the present invention, multiple pixel units are distinguished using the representation method of coordinate position, for example, x012y002,
12nd is referred on length direction, the 2nd pixel unit in width direction.
It is to create the mode that the multiple new pixel units obtained in step S530 are spliced into image in the embodiment of the present invention
The image for building a new blank redraws each pixel unit according to the respective coordinate position of multiple new pixel units
Onto the image of blank, for example, the pixel unit of x001y001 to be redrawn to the 1st position on the length direction of blank image
In place of the 1st position in width direction, the pixel unit of x012y002 is redrawn on the length direction of blank image
In place of the 2nd position on 12nd position and width direction.When all new pixel units are redrawn in the blank image, i.e.,
New image mosaic can be formed.
Optionally, after step S540, can with the following steps are included:
It is when receiving the operation signal on the target image to display, pixel unit belonging to operation signal is corresponding
Image-region belonging to 4 pixel units of higher level grade is shown on the screen.
In the embodiment of the present invention, show that the device of image can receive the operation signal to shown target image,
How the present invention is to receiving to the operation signal of target image with no restrictions.
It is when receiving operation signal of the user to target image, pixel unit belonging to operation signal is corresponding higher
Image-region belonging to 4 pixel units of one level is shown on the screen.For example, the target image of display is N-4 originally
The image of layer, when receiving operation signal, by corresponding N-3 layers of the 4 pixel unit institutes of pixel unit belonging to operation signal
The image-region of category is shown on the screen.Operation signal can click some pixel list of N-4 layers of image for example for mouse
Member generates, to show 4 pixel units of the higher level grade (N-3 layers of images) of the pixel unit according to operation signal
Affiliated image-region, wherein the method for image-region belonging to 4 pixel units of higher level grade can be to use suspended window
It has been shown that, or the image that the replacement of the image-region belonging to this 4 pixel units was originally shown, the invention is not limited in this regard, this
Field technical staff can choose suitable display methods.When 4 pixels of the higher level grade (N-3 layers of images) of display
When image-region belonging to unit receives operation signal, by the corresponding higher level again of the pixel unit for receiving operation signal
Grade (N-2 layers of images) 4 pixel units belonging to image-region show on the screen, and so on, until display
Image-region meets the needs that user clearly checks.
It should be noted that 4 pixel units of N-3 layers of the image referred among the above carry out synthesizing operation signal
Affiliated pixel unit (some pixel unit of N-4 layers of image), pixel unit, i.e., N-4 layers belonging to operation signal
The picture material that shows of a pixel unit, the figure that shows jointly of 4 pixel units with N-3 layers of image for synthesizing it
As content is identical.
The method provided in the embodiment of the present invention can obtain the height that one group of content is identical but image resolution ratio reduces step by step
This image pyramid, and the resolution sizes of the memory and every tomographic image occupied according to every tomographic image of generation, from image gold word
It selects suitable target image to be shown in tower, and can need further to watch in detail by user according to user's needs
Image-region carry out the higher display of resolution ratio.To guarantee to occupy lesser memory when target image is shown, gram
Taken is easy to cause memory to overflow during showing pathological image file in the prior art, influences the normal display of pathological image
The problem of, and the clarity of shown pathological image can be taken into account, so that the display of pathological image is more intelligent.
It should be noted that for simple description, therefore, it is stated as a series of action groups for embodiment of the method
It closes, but those skilled in the art should understand that, embodiment of that present invention are not limited by the describe sequence of actions, because according to
According to the embodiment of the present invention, some steps may be performed in other sequences or simultaneously.Secondly, those skilled in the art also should
Know, the embodiments described in the specification are all preferred embodiments, and the related movement not necessarily present invention is implemented
Necessary to example.
It is a kind of structural schematic diagram of image processing apparatus provided in an embodiment of the present invention, device tool with reference to Fig. 8, Fig. 8
Body may include following module: virtual dividing module 810, synthesis module 820, image generation module 830 and display module 840.
Virtual dividing module 810 is used for using original image as the image of n-th layer, and is carried out to the image of n-th layer virtual
It is divided into the pixel array being made of several pixel units, pixel array includes multiple pixel columns and multiple pixel columns, multiple
Pixel array is divided into several pixel units by pixel column and multiple pixel columns.
Synthesis module 820 is equal to pixel unit and the selection of predetermined number for choosing every time from several pixel units
Pixel unit it is adjacent, and the pixel unit chosen every time is synthesized into a new pixel unit, new pixel unit and default
Pixel unit size it is identical, this pixel unit for choosing with last time of pixel unit chosen does not repeat.
Image generation module 830 is used for for multiple new pixel units to be carried out the image that splicing generates N-1 layers, and
N-1 layers of image virtual is divided by several pixel units in such a way that the image to n-th layer carries out virtual dividing
The pixel array of composition to generate N-2 layers of image, and N-2 layers of image is carried out virtually according to the image to n-th layer
N-2 layers of image virtual is divided into the pixel array being made of several pixel units by the mode of segmentation, to generate N-3
The image of layer, until generating the image of first layer.
Optionally, virtual dividing module 810, synthesis module 820, image generation module 830 are set to pathology access service
In device.
The size of the resolution ratio of memory and every tomographic image that display module 840 is used to be occupied according to every tomographic image of generation,
Target image is determined from every tomographic image, and target image is shown.
Optionally, display module 840 is set in display device, which can be that display etc. can be by image
The equipment that file is shown.Display device and pathology access server pass through view networking connection.
The device provided in the embodiment of the present invention can obtain the height that one group of content is identical but image resolution ratio reduces step by step
This image pyramid, and the resolution sizes of the memory and every tomographic image occupied according to every tomographic image of generation, from image gold word
Suitable target image is selected to be shown in tower, thus guarantee to occupy lesser memory when target image is shown, gram
Taken is easy to cause memory to overflow during showing pathological image file in the prior art, influences the normal display of pathological image
The problem of, and the clarity of shown pathological image can be taken into account, so that the display of pathological image is more intelligent.
For device embodiment, since it is basically similar to the method embodiment, so describing fairly simple, correlation
Place illustrates referring to the part of embodiment of the method.
Optionally, the length pixel value of preset pixel unit is equal to the width pixel value of preset pixel unit, device
Further include virtual level series determining module 850, can be specifically used for: according to the length pixel value of original image and preset pixel
The length pixel value of unit, determines the first ratio；According to the width of the width pixel value of original image and preset pixel unit
Pixel value determines the second ratio, and the smallest number of levels in the first ratio and the second ratio is determined as virtual level series and is determined as
Virtual level series N.
Optionally, predetermined number is 4, and synthesis module 820 can be specifically used for: select every time from several pixel units
4 pixel units are taken, and choose every time 4 pixel units are synthesized into a new pixel unit, wherein 4 chosen every time
A pixel unit does not repeat.Optionally, image generation module 830 can be specifically used for: the image of one blank of creation, each
New pixel unit is according to new pixel unit on the image that the coordinate position on a upper tomographic image redraws blank.
Optionally, display module 840 can be also used for: when receiving the operation signal on the target image to display,
By the corresponding higher level of pixel unit belonging to operation signal and 4 pixel units belonging to image-region show on the screen
Show.
The device provided in the embodiment of the present invention can obtain the height that one group of content is identical but image resolution ratio reduces step by step
This image pyramid, and the resolution sizes of the memory and every tomographic image occupied according to every tomographic image of generation, from image gold word
It selects suitable target image to be shown in tower, and can need further to watch in detail by user according to user's needs
Image-region carry out the higher display of resolution ratio, to guarantee to occupy lesser memory when target image is shown, gram
Taken is easy to cause memory to overflow during showing pathological image file in the prior art, influences the normal display of pathological image
The problem of, and the clarity of shown pathological image can be taken into account, so that the display of pathological image is more intelligent.
For device embodiment, since it is basically similar to the method embodiment, so describing fairly simple, correlation
Place illustrates referring to the part of embodiment of the method.
All the embodiments in this specification are described in a progressive manner, the highlights of each of the examples are with
The difference of other embodiments, the same or similar parts between the embodiments can be referred to each other.
It should be understood by those skilled in the art that, the embodiment of the embodiment of the present invention can provide as method, apparatus or calculate
Machine program product.Therefore, the embodiment of the present invention can be used complete hardware embodiment, complete software embodiment or combine software and
The form of the embodiment of hardware aspect.Moreover, the embodiment of the present invention can be used one or more wherein include computer can
With in the computer-usable storage medium (including but not limited to magnetic disk storage, CD-ROM, optical memory etc.) of program code
The form of the computer program product of implementation.
The embodiment of the present invention be referring to according to the method for the embodiment of the present invention, terminal device (system) and computer program
The flowchart and/or the block diagram of product describes.It should be understood that flowchart and/or the block diagram can be realized by computer program instructions
In each flow and/or block and flowchart and/or the block diagram in process and/or box combination.It can provide these
Computer program instructions are set to general purpose computer, special purpose computer, Embedded Processor or other programmable data processing terminals
Standby processor is to generate a machine, so that being held by the processor of computer or other programmable data processing terminal devices
Capable instruction generates for realizing in one or more flows of the flowchart and/or one or more blocks of the block diagram
The device of specified function.
These computer program instructions, which may also be stored in, is able to guide computer or other programmable data processing terminal devices
In computer-readable memory operate in a specific manner, so that instruction stored in the computer readable memory generates packet
The manufacture of command device is included, which realizes in one side of one or more flows of the flowchart and/or block diagram
The function of being specified in frame or multiple boxes.
These computer program instructions can also be loaded into computer or other programmable data processing terminal devices, so that
Series of operation steps are executed on computer or other programmable terminal equipments to generate computer implemented processing, thus
The instruction executed on computer or other programmable terminal equipments is provided for realizing in one or more flows of the flowchart
And/or in one or more blocks of the block diagram specify function the step of.
Although the preferred embodiment of the embodiment of the present invention has been described, once a person skilled in the art knows bases
This creative concept, then additional changes and modifications can be made to these embodiments.So the following claims are intended to be interpreted as
Including preferred embodiment and fall into all change and modification of range of embodiment of the invention.
Finally, it is to be noted that, herein, relational terms such as first and second and the like be used merely to by
One entity or operation are distinguished with another entity or operation, without necessarily requiring or implying these entities or operation
Between there are any actual relationship or orders.Moreover, the terms "include", "comprise" or its any other variant meaning
Covering non-exclusive inclusion, so that process, method, article or terminal device including a series of elements not only wrap
Those elements are included, but also including other elements that are not explicitly listed, or further includes for this process, method, article
Or the element that terminal device is intrinsic.In the absence of more restrictions, being wanted by what sentence "including a ..." limited
Element, it is not excluded that there is also other identical elements in process, method, article or the terminal device for including the element.
A kind of image processing method provided by the present invention and device are described in detail above, it is used herein
A specific example illustrates the principle and implementation of the invention, and the above embodiments are only used to help understand originally
The method and its core concept of invention；At the same time, for those skilled in the art, according to the thought of the present invention, specific
There will be changes in embodiment and application range, in conclusion the content of the present specification should not be construed as to of the invention
Limitation.
Claims (10)
1. a kind of image processing method characterized by comprising
Using original image as the image of n-th layer, and carrying out virtual dividing to the image of the n-th layer is by several pixel lists
The pixel array of member composition, the pixel array includes multiple pixel columns and multiple pixel columns, the multiple pixel column and described
The pixel array is divided into several pixel units by multiple pixel columns；
Choose the pixel unit for being equal to the pixel unit of predetermined number and choosing every time from pixel unit described in several
It is adjacent, and by the pixel unit chosen every time synthesize a new pixel unit, the new pixel unit with it is described preset
The size of pixel unit is identical, and the pixel unit that this pixel unit chosen was chosen with last time does not repeat；
Multiple new pixel units are subjected to the image that splicing generates N-1 layers, and carry out void according to the image to the n-th layer
N-1 layers of the image virtual is divided into the pixel array being made of several pixel units by the mode of quasi- segmentation, with life
At N-2 layers of image, and by N-2 layers of the image in such a way that the image to the n-th layer carries out virtual dividing
N-2 layers of the image virtual is divided into the pixel array being made of several pixel units, to generate N-3 layers of figure
Picture, until generating the image of first layer；
The size of the resolution ratio of the memory and every tomographic image that are occupied according to every tomographic image of generation, from every tomographic image
It determines target image, and the target image is shown；
Wherein, the N indicates virtual level series, and the N is according to the size of presetted pixel unit, the size of original image and described
Predetermined number determines that the N is the positive integer more than or equal to 2.
2. the method according to claim 1, wherein the length pixel value of the preset pixel unit is equal to institute
State the width pixel value of preset pixel unit；
The N is determined according to the size of presetted pixel unit, the size of original image and the predetermined number, comprising:
According to the length pixel value of the length pixel value of the original image and the preset pixel unit, the first ratio is determined
Value；
According to the width pixel value of the width pixel value of the original image and the preset pixel unit, the second ratio is determined
Value；
The smallest ratio is determined from first ratio and second ratio, according to the determining the smallest ratio and institute
It states predetermined number and determines the N.
3. method according to claim 1 or 2, which is characterized in that the predetermined number is 4；
It is described to choose the pixel for being equal to the pixel unit of predetermined number and choosing every time from pixel unit described in several
Unit is adjacent, and the pixel unit chosen every time is synthesized a new pixel unit, comprising:
Choose 4 pixel units every time from pixel unit described in several, and by choose every time 4 pixel lists
Member one new pixel unit of synthesis, wherein 4 pixel units chosen every time do not repeat.
4. according to the method described in claim 3, it is characterized in that, described carry out splicing for multiple new pixel units and generate the
N-1 layers of image, comprising:
The image for creating a blank, each new pixel unit according to the new pixel unit in a upper tomographic image
On coordinate position redraw on the image of the blank.
5. according to the method described in claim 4, it is characterized in that, it is described the target image is shown after, also
Include:
When receiving the operation signal on the target image to display, by pixel unit pair belonging to the operation signal
Image-region belonging to 4 pixel units of the higher level grade answered is shown on the screen.
6. a kind of image processing apparatus characterized by comprising
Virtual dividing module for using original image as the image of n-th layer, and virtually divides the image of the n-th layer
It is segmented into the pixel array being made of several pixel units, the pixel array includes multiple pixel columns and multiple pixel columns, institute
It states multiple pixel columns and the multiple pixel column and the pixel array is divided into several pixel units；
Synthesis module, for from pixel unit described in several every time choose be equal to predetermined number pixel unit and choose
The pixel unit is adjacent, and the pixel unit chosen every time is synthesized a new pixel unit, the new pixel unit
Identical as the size of the preset pixel unit, the pixel unit that this pixel unit chosen was chosen with last time does not repeat；
Image generation module, for multiple new pixel units to be carried out the image that splicing generates N-1 layers, and according to described
N-1 layers of the image virtual is divided by several pixel unit groups by the mode that the image of n-th layer carries out virtual dividing
At pixel array, to generate N-2 layers of image, and by N-2 layers of the image according to the figure to the n-th layer
N-2 layers of the image virtual is divided into the pixel battle array being made of several pixel units by the mode as carrying out virtual dividing
Column, to generate N-3 layers of image, until generating the image of first layer；
Display module, the size of the resolution ratio of memory and every tomographic image for being occupied according to every tomographic image of generation, from
Target image is determined in every tomographic image, and the target image is shown；
Wherein, the N indicates virtual level series, and the N is according to the size of presetted pixel unit, the size of original image and described
Predetermined number determines that the N is the positive integer more than or equal to 2.
7. device according to claim 6, which is characterized in that the length pixel value of the preset pixel unit is equal to institute
State the width pixel value of preset pixel unit；
Described device further include: virtual level series determining module, for according to the length pixel value of the original image and described
The length pixel value of preset pixel unit, determines the first ratio；According to the width pixel value of the original image and described pre-
If pixel unit width pixel value, determine the second ratio；It is determined from first ratio and second ratio minimum
Ratio, the N is determined as according to the determining the smallest ratio and the predetermined number.
8. the device of according to claim 6 or 7, which is characterized in that the predetermined number is 4；The synthesis module is specifically used
In: choose 4 pixel units every time from pixel unit described in several, and by choose every time 4 pixel lists
Member one new pixel unit of synthesis, wherein 4 pixel units chosen every time do not repeat.
9. device according to claim 8, which is characterized in that described image generation module is specifically used for: one sky of creation
White image, the coordinate position weight each new pixel unit according to the new pixel unit on a upper tomographic image
On the image for drawing the blank.
10. device according to claim 9, which is characterized in that the display module is also used to: when receiving to display
The target image on operation signal when, by the 4 of the corresponding higher level grade of pixel unit belonging to the operation signal
Image-region belonging to a pixel unit is shown on the screen.
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