CN105096254A - Splicing acquisition method and system - Google Patents
Splicing acquisition method and system Download PDFInfo
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- CN105096254A CN105096254A CN201510500592.8A CN201510500592A CN105096254A CN 105096254 A CN105096254 A CN 105096254A CN 201510500592 A CN201510500592 A CN 201510500592A CN 105096254 A CN105096254 A CN 105096254A
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T3/00—Geometric image transformation in the plane of the image
- G06T3/40—Scaling the whole image or part thereof
- G06T3/4038—Scaling the whole image or part thereof for image mosaicing, i.e. plane images composed of plane sub-images
Abstract
The invention provides a splicing acquisition method and a splicing acquisition system. The method comprises: determining a plurality of protocols for a plurality of dissection positions, wherein the plurality of protocols are in one-to-one correspondence to the plurality of dissection positions, and the plurality of dissection positions jointly cover at least part of a whole human body; recognizing a dissection position covered by a range to be shot; shooting a plurality of pictures according to the protocol corresponding to the recognized dissection position; and splicing the plurality of pictures. The method and the system can simplify the editing process of the protocols, so that the protocol selection in the shooting process is more suitable for practical situations.
Description
Technical field
The present invention relates generally to a kind of splicing acquisition method and system.
Background technology
In the medical acquisition techniques such as X ray shooting, due to being limited in scope of single acquisition, in order to cover whole scope to be captured, usually adopt the mode that splicing gathers.Splicing collection refers to takes several times, takes at every turn, is then spliced by the picture repeatedly taking gained, obtain the shooting results of whole scope to be captured to a part for whole scope to be captured.
Traditional splicing gatherer process generally comprises: definition shooting length and source image distance, and wherein source image distance is for radiographic source is to the distance (SID, SourcetoimagereceptorDistance) of detecting device imaging surface; Then calculate according to shooting length and source image distance the picture number N needing shooting.Need the picture number N of shooting to choose from the many covers combination of predefined, and above-mentioned many cover combinations define according to the shooting agreement of setting in advance.Wherein, take protocol package and contain the information such as shooting regulating parameter (such as dosage) and related algorithm.Such as, for the situation of shooting long leg splicing, predefined has bat 3, claps 4 or clap 5 Zhang San and plant combination, during actual photographed, determine to need bat 3 if calculated, then select the combination of bat 3, thus agreement is also selected accordingly.
But the method for above-mentioned splicing collection causes needs in advance for multiple situation editor agreement and the combination of taking number, to cause editing very complicated, and is not easy to use.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of splicing acquisition method and system, can simplify the editing process of agreement, makes the agreement in shooting process select more to tally with the actual situation.
For solving the problems of the technologies described above, the invention provides a kind of splicing acquisition method, comprising:
Determine the multiple agreements for multiple dissection position, described multiple agreement and multiple dissection positions one_to_one corresponding, described multiple dissection position covers whole body scale at least partially jointly;
Identify the dissection position that scope to be captured covers;
Take according to the agreement of the dissection position correspondence identified, to obtain plurality of pictures;
Described plurality of pictures is spliced.
According to one embodiment of present invention, identify that the dissection position that scope to be captured covers comprises:
Determine the head of described scope to be captured and the dissection position residing for afterbody;
According to the physical sequential of described multiple dissection position, the dissection position residing for from the dissection position residing for described head to described afterbody is confirmed as the dissection position that described scope to be captured covers.
According to one embodiment of present invention, the dissection position residing for head and afterbody determining described scope to be captured is inputted by user.
According to one embodiment of present invention, described method also comprises:
Before shooting, determine length and the source image distance of described scope to be captured, described length is along the physical arrangement direction of described multiple dissection position;
According to the picture number that length and the described source image of described scope to be captured need be taken apart from the described scope to be captured of calculating.
According to one embodiment of present invention, the length of described scope to be captured comes from user's input, and described source image is apart from coming from system feedback.
According to one embodiment of present invention, described multiple dissection position is followed successively by head, chest, abdomen, lower limb top and lower limb bottom.
In order to solve the problem, present invention also offers a kind of splicing acquisition system, comprising:
Protocol determination module, for determining the multiple agreements for multiple dissection position, described multiple agreement and multiple dissection positions one_to_one corresponding, described multiple dissection position covers whole body scale at least partially jointly;
Dissect position identification module, for identifying the dissection position that scope to be captured covers;
Taking module, takes according to the agreement of the dissection position correspondence identified, to obtain plurality of pictures;
Concatenation module, splices described plurality of pictures.
According to one embodiment of present invention, described dissection position identification module comprises:
Head and the tail determine submodule, determine the head of described scope to be captured and the dissection position residing for afterbody;
Dissect position and confirm submodule, according to the physical sequential of described multiple dissection position, the dissection position residing for from the dissection position residing for described head to described afterbody is confirmed as the dissection position that described scope to be captured covers.
According to one embodiment of present invention, described head and the tail determine that submodule inputs the dissection position residing for head and afterbody determining described scope to be captured by user.
According to one embodiment of present invention, described system also comprises:
Parameter determination module, for determining length and the source image distance of described scope to be captured, described length is along the physical arrangement direction of described multiple dissection position;
Number calculating section, for the picture number need taken apart from the described scope to be captured of calculating according to length and the described source image of described scope to be captured.
According to one embodiment of present invention, described parameter determination module determines the length of described scope to be captured by receiving user's input, determine described source image distance by receiving system feedback.
According to one embodiment of present invention, described multiple dissection position is followed successively by head, chest, abdomen, lower limb top and lower limb bottom.
Compared with prior art, the present invention has the following advantages:
In the splicing acquisition method of the embodiment of the present invention, corresponding agreement is set respectively in advance for multiple dissection position, identify the dissection position that scope to be captured covers afterwards, the agreement according to the dissection position correspondence identified is taken, then will take the plurality of pictures splicing obtained.Adopt the method for the embodiment of the present invention, because agreement is for the definition of dissection position, the dissection position that therefore can cover according to scope to be captured selects corresponding agreement to take, and without the need to editing agreement specially according to different shooting situations, thus simplifies protocol edit process.And, because agreement is for the definition of dissection position, the agreement of shooting process is selected more targeted, meet the actual conditions of human body different parts or dissection position.
Accompanying drawing explanation
Fig. 1 is the schematic flow sheet of the splicing acquisition method according to the embodiment of the present invention;
Fig. 2 is the dissection position distribution schematic diagram of the splicing acquisition method according to the embodiment of the present invention;
Fig. 3 is the structured flowchart of the splicing acquisition system according to the embodiment of the present invention.
Embodiment
For above-mentioned purpose of the present invention, feature and advantage can be become apparent, below in conjunction with accompanying drawing, the specific embodiment of the present invention is elaborated.
Set forth a lot of detail in the following description so that fully understand the present invention, but the present invention can also adopt other to be different from alternate manner described here to implement, therefore the present invention is not by the restriction of following public specific embodiment.
With reference to figure 1, the splicing acquisition method of the present embodiment comprises the steps:
Step S11, determines the multiple agreements for multiple dissection position, described multiple agreement and multiple dissection positions one_to_one corresponding, and described multiple dissection position covers whole body scale at least partially jointly;
Step S12, identifies the dissection position that scope to be captured covers;
Step S13, takes according to the agreement of the dissection position correspondence identified, to obtain plurality of pictures;
Step S14, splices described plurality of pictures.
The method of the present embodiment goes for the various shooting process utilizing radioactive source to gather subject (such as human body) internal information, such as X ray shooting etc.Below in conjunction with Fig. 1 and Fig. 2, the splicing acquisition method of the present embodiment is described in detail.
As a nonrestrictive example, following 5 can be adopted to dissect position: head 201, chest 202, abdomen 203, lower limb top 204 and lower limb bottom 205.Above-mentioned 5 dissection positions cover whole human body 20 jointly.But the division of dissecting position is not limited to this, the division of dissecting position can also refinement more.Such as, in another example, human body 20 can also be divided into head, neck, chest, abdomen, hip, lower limb top and lower limb bottom.In addition, multiple dissection positions of use also only can cover a part for human body 20 instead of whole human body 20.Such as, in the embodiment that other are different, the dissection position of use can be only head 201, chest 202 and abdomen 203, thus only covers the upper part of the body of human body 20.
Position is dissected for each, can the corresponding agreement of edit definition.The information such as shooting condition and related algorithm is contained in agreement.Wherein, shooting condition can be such as radiogenic dosage, and related algorithm can be noise reduction algorithm, strengthen algorithm etc.
Agreement and dissection position are one to one, and namely each agreement only specifically dissects position for one.Dissect the quantity of position and split position can be various suitable contents, such as, according to human anatomy or human body different parts for the tolerance of ray, human body can be divided into multiple dissection position.Multiple dissection positions that the splicing acquisition method of the present embodiment is selected can cover a wherein part for whole body scale or whole body scale.It should be noted that, each is dissected between position and can overlap, the region that such as chest 202 and abdomen 203 can overlap.Each agreement can be determined by editing in advance, then stores in position, such as, in suitable storer or remote server.In use, can call, load or download this agreement.
When taking, the dissection position that scope to be captured covers first can be identified.Furthermore, the dissection position can determining residing for the head of scope to be captured and afterbody by modes such as user input.Wherein, the head of scope to be captured refers to the reference position of scope to be captured, and afterbody refers to the end position of scope to be captured.When determining the dissection position residing for the head of scope to be captured and afterbody, user's input can be that directly the content of position is dissected in instruction, such as, the dissection position that user is directly inputted residing for reference position by the mode such as text event detection, touch operation is " head ", and the dissection position residing for end position is " abdomen "; Or, user's input also can be that the content of position is dissected in instruction indirectly, and then the dissection position residing for reference position and end position judging scope to be captured is inputted according to user, such as, user is by the mode of touch operation, and it is nose that the human body being shown in touch-screen marks reference position, and end position is underbelly, then can judge according to such input that the dissection position residing for reference position of coverage is as " head ", the dissection position residing for end position is " abdomen ".
Afterwards, according to the physical arrangement order of the dissection position of earlier set, from the dissection position residing for head to the dissection position residing for afterbody, within the scope of this, whole dissection positions of process are confirmed to be the dissection position that scope to be captured covers.
Such as, in the example shown in figure 2, user selects the head of scope to be captured (or reference position) to be in chest 202, afterbody (or end position) is in lower limb top 204, and whole dissection positions that scope so to be captured covers just comprise: chest 202, abdomen 203 and lower limb top 204.
In addition, length L and the source image distance SID of scope to be captured can also be determined.Wherein, the mode that length L can be inputted by user is determined, source image can be determined by the mode of system feedback apart from SID, but is not limited to this, and other any suitable modes also can be adopted to obtain.
Next, the picture number of scope to be captured needs shooting is calculated according to length L and source image apart from SID.The process calculated can adopt any suitable method in prior art.Such as, can determine apart from SID the length that each shooting covers according to source image, the number of times taken needed for the ratio-dependent between the length then covered by the length L of scope to be captured and taking at every turn or picture number.If the ratio between the length that the length L of scope to be captured and at every turn take covers is not integer, so take number of times or picture number can be the smallest positive integral being greater than this ratio, correspondingly, the scope of each shooting covering can slightly overlap.Such as, if the ratio calculated is 3.2, so shooting number of times or picture number can be 4.
Afterwards, scope to be captured is repeatedly taken, in each shooting, can according to current shooting for dissection position select corresponding agreement.Total shooting number of times can be the picture number of the need shooting previously calculated, thus obtains multiple picture.It should be noted that, usual each dissection position only needs once to take, but if the need arises, once above shooting also can be adopted to cover one and dissect position.
Finally, multiple picture can be stitched together.Picture splicing can adopt various suitable method in prior art.
By upper, because each agreement is predetermined for different dissection positions, therefore edits various protocols without the need to the difference according to actual photographed situation, simplify the editing process of agreement, and make the application process of agreement more simple and targeted.
With reference to figure 3, the splicing acquisition system of the present embodiment comprises protocol determination module 31, dissects position identification module 32, taking module 33, concatenation module 34, parameter determination module 35 and number calculating section 36.
Wherein, protocol determination module 31 for determining the multiple agreements for multiple dissection position, wherein, multiple agreement and multiple dissection positions one_to_one corresponding, multiple dissection position covers whole body scale at least partially jointly; Dissect position identification module 32 for identifying the dissection position that scope to be captured covers; Parameter determination module 35 is for determining length and the source image distance of scope to be captured, and described length is along the physical arrangement direction of described multiple dissection position; The picture number of number calculating section 36 for taking apart from calculating scope to be captured according to length and the source image of scope to be captured; Taking module 33 is taken according to the agreement of the dissection position correspondence identified, to obtain plurality of pictures; Concatenation module 34 is spliced the plurality of pictures obtained.
Furthermore, dissect position identification module 32 can comprise: head and the tail determine submodule, determine the head of scope to be captured and the dissection position residing for afterbody; Dissect position and confirm submodule, according to the physical sequential of multiple dissection position, the dissection position of scope to be captured covering will be confirmed as from the dissection position residing for head to the dissection position residing for afterbody.
About this splicing acquisition system more contents can see in previous embodiment about splicing acquisition method associated description, repeat no more here.
The splicing acquisition system of the present embodiment can as the optional equipment of the collecting devices such as X ray camera system, or also can as a part for the collecting devices such as X ray camera system.
In addition, those skilled in the art should understand further, and the various modules described in embodiment herein, step can be embodied as electronic hardware, computer software or the combination of both.For clearly explaining orally this interchangeability of hardware and software, various module, step are done vague generalization with its functional form and are described.This type of is functional is implemented as hardware or software depends on embody rule and puts on the design constraint of total system.Technician can realize described functional by different modes for often kind of application-specific, but such realize decision-making and should not be interpreted to and cause having departed from scope of the present invention.
The various modules described in conjunction with embodiment disclosed herein, step can realize with general processor, digital signal processor (DSP), special IC (ASIC), field programmable gate array (FPGA) or other programmable logic device (PLD), discrete door or transistor logic, discrete nextport hardware component NextPort or its any combination being designed to perform function described herein or perform.General processor can be microprocessor, but in alternative, and this processor can be the processor of any routine, controller, microcontroller or state machine.Processor can also be implemented as the combination of computing equipment, the combination of such as DSP and microprocessor, multi-microprocessor, with one or more microprocessor of DSP central cooperation or any other this type of configure.
The method described in conjunction with embodiment disclosed herein or step can be embodied directly in hardware, in the software module performed by processor or in the combination of both and embody.Software module can reside in the storage medium of RAM storer, flash memory, ROM storer, eprom memory, eeprom memory, register, hard disk, removable dish, CD-ROM or any other form known in the art.Exemplary storage medium is coupled to processor and can reads and written information from/to this storage medium to make this processor.In alternative, storage medium can be integrated into processor.Processor and storage medium can reside in ASIC.ASIC can be in the user terminal resident.In alternative, it is in the user terminal resident that processor and storage medium can be used as discrete assembly.
Although the present invention describes with reference to current specific embodiment, but those of ordinary skill in the art will be appreciated that, above embodiment is only used to the present invention is described, change or the replacement of various equivalence also can be made when not departing from spirit of the present invention, therefore, as long as all will drop in the scope of claims of the application the change of above-described embodiment, modification in spirit of the present invention.
Claims (12)
1. splice an acquisition method, it is characterized in that, comprising:
Determine the multiple agreements for multiple dissection position, described multiple agreement and multiple dissection positions one_to_one corresponding, described multiple dissection position covers whole body scale at least partially jointly;
Identify the dissection position that scope to be captured covers;
Take according to the agreement of the dissection position correspondence identified, to obtain plurality of pictures;
Described plurality of pictures is spliced.
2. method according to claim 1, is characterized in that, identifies that the dissection position that scope to be captured covers comprises:
Determine the head of described scope to be captured and the dissection position residing for afterbody;
According to the physical sequential of described multiple dissection position, the dissection position residing for from the dissection position residing for described head to described afterbody is confirmed as the dissection position that described scope to be captured covers.
3. method according to claim 2, is characterized in that, is inputted the dissection position residing for the head and afterbody determining described scope to be captured by user.
4. according to the method in any one of claims 1 to 3, it is characterized in that, also comprise:
Before shooting, determine length and the source image distance of described scope to be captured, described length is along the physical arrangement direction of described multiple dissection position;
According to the picture number that length and the described source image of described scope to be captured need be taken apart from the described scope to be captured of calculating.
5. want the method described in 4 according to right, it is characterized in that, the length of described scope to be captured comes from user's input, and described source image is apart from coming from system feedback.
6. according to the method in any one of claims 1 to 3, it is characterized in that, described multiple dissection position is followed successively by head, chest, abdomen, lower limb top and lower limb bottom.
7. splice an acquisition system, it is characterized in that, comprising:
Protocol determination module, for determining the multiple agreements for multiple dissection position, described multiple agreement and multiple dissection positions one_to_one corresponding, described multiple dissection position covers whole body scale at least partially jointly;
Dissect position identification module, for identifying the dissection position that scope to be captured covers;
Taking module, takes according to the agreement of the dissection position correspondence identified, to obtain plurality of pictures;
Concatenation module, splices described plurality of pictures.
8. system according to claim 7, is characterized in that, described dissection position identification module comprises:
Head and the tail determine submodule, determine the head of described scope to be captured and the dissection position residing for afterbody;
Dissect position and confirm submodule, according to the physical sequential of described multiple dissection position, the dissection position residing for from the dissection position residing for described head to described afterbody is confirmed as the dissection position that described scope to be captured covers.
9. system according to claim 8, is characterized in that, described head and the tail determine that submodule inputs the dissection position residing for head and afterbody determining described scope to be captured by user.
10. the system according to any one of claim 7 to 9, is characterized in that, also comprises:
Parameter determination module, for determining length and the source image distance of described scope to be captured, described length is along the physical arrangement direction of described multiple dissection position;
Number calculating section, for the picture number need taken apart from the described scope to be captured of calculating according to length and the described source image of described scope to be captured.
11. systems according to claim 10, is characterized in that, described parameter determination module determines the length of described scope to be captured by receiving user's input, determine described source image distance by receiving system feedback.
12. systems according to any one of claim 7 to 9, it is characterized in that, described multiple dissection position is followed successively by head, chest, abdomen, lower limb top and lower limb bottom.
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| CN201510500592.8A CN105096254A (en) | 2015-08-14 | 2015-08-14 | Splicing acquisition method and system |
| CN202110261183.2A CN112884655A (en) | 2015-08-14 | 2015-08-14 | Splicing acquisition method and system |
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| CN201510500592.8A CN105096254A (en) | 2015-08-14 | 2015-08-14 | Splicing acquisition method and system |
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Address after: 201807 Shanghai City, north of the city of Jiading District Road No. 2258 Applicant after: Shanghai Lianying Medical Technology Co., Ltd Address before: 201807 Shanghai City, north of the city of Jiading District Road No. 2258 Applicant before: SHANGHAI UNITED IMAGING HEALTHCARE Co.,Ltd. |
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Application publication date: 20151125 |