CN104898841A - Medical image display control method and control system - Google Patents
Medical image display control method and control system Download PDFInfo
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Abstract
The embodiment of the present invention provides a medical image display control method and a control system, which are used for solving the problem of display disorder caused by the operation order of acquiring multiple medical images simultaneously and improving the operability. A medical image display method comprises: determining a target manipulation object; acquiring control motion information of the target manipulation object; sending the control motion information of the target manipulation object to a processing device, so as to allow the processing device to perform corresponding operations on the medical image displayed in a display device according to the control motion information. The control method and the control system, provided by the invention, are suitable for the technical field of medical image display.
Description
Technical field
The present invention relates to the display technique field of medical image, particularly relate to control method and the control system of the display of a kind of medical image.
Background technology
Along with the continuous progress of medical technology means, in order to maintain the health of patient, operation has become a kind of mode of disease therapy.In traditional operation, the medical image picture that doctor takes in advance by checking patient, by the information of these medical image pictures, analyzes focus, thus determines surgical procedure.But, in surgical procedure, have strict sterility requirements to the doctor of operator, any article of non-sterile except operating theater instruments cannot be touched, therefore can be equipped with an assistant in traditional surgical procedures and show these medical image pictures specially.And along with medical science display development, also the form of these medical image pictures by numeral can be shown at display, and checking for these pictures, the action that such as operation such as convergent-divergent, rotation, movement also can utilize body propagated sensation sensor to catch human body carrys out analog mouse action, thus completes change over the display.
Be illustrated in figure 1 the interactively medical image browse device of a kind of body sense that prior art provides, comprise depth camera 1, personal computer 2 and display device 3; Picture browsing software systems are configured in personal computer 2, comprise depth data disposal system and medical image display system.Wherein, depth camera 1 obtains depth information and carries out data communication with personal computer 2, depth data disposal system is carried out analysis to the depth information that depth camera 1 obtains and is identified, the output of medical image display system detecting real-time depth data disposal system also calls corresponding function, realize display to medical image picture and process by display device 3, realize utilizing gesture to control the operation such as display, convergent-divergent, movement of medical image picture.
Consider that in operating room, area is narrow and small, personnel are more, and the factor such as Relatively centralized, may have multiple medical personnel is in effective catching range of depth camera, therefore, depth camera 1 may capture the gesture of these multiple medical personnel, if the gesture of these multiple medical personnel that depth camera 1 captures is effective gesture that can control medical image operation, the gesture really needing to operate medical image picture cannot be determined, thus cause the display of medical image chaotic.
Summary of the invention
The control method that embodiments of the invention provide a kind of medical image to show and control system, get multiple operational order to medical image in order to solution simultaneously and cause the problem that display is chaotic, improving operability.
For achieving the above object, embodiments of the invention adopt following technical scheme:
First aspect, embodiments provides the control method of a kind of medical image display, comprising:
Determine target manipulation object;
Obtain the control action information of described target manipulation object;
The control action information of described target manipulation object is sent to treating apparatus, according to described control action information, corresponding operation is performed to the medical image shown in display device to make described treating apparatus.
Second aspect, embodiments provide the control system of a kind of medical image display, comprise pick-up unit, treating apparatus and display device, described treating apparatus is connected with described pick-up unit, described display device respectively;
Described pick-up unit comprises determination module, the first acquisition module, sending module; Wherein, described determination module, for determining target manipulation object; Described first acquisition module, for obtaining the control action information of the target manipulation object that described determination module is determined; Described sending module, the control action information for the target manipulation object obtained by described acquisition module sends to treating apparatus;
The control action information that described treating apparatus is used for sending according to described sending module performs corresponding operation to the medical image shown in display device.
The control method of the medical image picture display provided based on the embodiment of the present invention and control system, by determining target manipulation object, and then, obtain the control action information of target manipulation object, and this control action information is sent to treating apparatus, like this, only have the action of locked target manipulation object just understand collected and respond, any action of other objects does not respond, and avoids the interference of other objects to target manipulation object; Further, control action information is converted to corresponding image manipulation instruction by treating apparatus, to process accordingly the medical image picture shown in display device according to this image manipulation instruction.Technique scheme is compared with prior art, by manipulating locking and the tracking of object to target in the embodiment of the present invention, achieve the action only having target to manipulate object and just understand collected and response, avoid the problem of the valid function instruction that can collect multiple object in prior art and the medical picture caused display confusion, improve operability.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
The interactively medical image browse device of a kind of body sense that Fig. 1 provides for prior art;
The schematic flow sheet one of the control method of a kind of medical image display that Fig. 2 provides for the embodiment of the present invention;
The schematic flow sheet two of the control method of a kind of medical image display that Fig. 3 provides for the embodiment of the present invention;
The structural representation of the control system of a kind of medical image display that Fig. 4 provides for the embodiment of the present invention;
The structural representation one of pick-up unit in the control system of a kind of medical image display that Fig. 5 provides for the embodiment of the present invention;
The structural representation two of pick-up unit in the control system of a kind of medical image display that Fig. 6 provides for the embodiment of the present invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
For the ease of the technical scheme of the clear description embodiment of the present invention, in an embodiment of the present invention, have employed the printed words such as " first ", " second " to distinguish the substantially identical identical entry of function and efficacy or similar item, it will be appreciated by those skilled in the art that the printed words such as " first ", " second " and right quantity and execution order limit.
Embodiment one
The control method that embodiments of the invention provide a kind of medical image to show, as shown in Figure 2, this control method comprises:
S101, determine target manipulation object.
Wherein, the executive agent of the method is pick-up unit, and pick-up unit can be the body propagated sensation sensor based on infrared camera, such as: the Leap motion etc. of the Kinect of Microsoft, Leap company.The present invention does not do concrete restriction for the type of pick-up unit.
In a kind of possible implementation, step S101 specifically comprises a1)-a2):
A1) obtain trigger action set, wherein, trigger action set comprises the trigger action of each manipulation object at least one manipulation object.
A2) from trigger action set, determine mark action, and the manipulation object sending mark action is defined as target manipulation object.
Because pick-up unit can capture the trigger action of multiple operand, and in this multiple trigger action, the operand of only making mark action is target manipulation object.In subsequent steps, pick-up unit only identifies the action of target manipulation object and responds, and does not do any response to the action of other manipulation objects, avoids other manipulation objects to the interference of target manipulation object.
Example, this mark action can be within the scope of distance detection device dead ahead 1.5m ~ 5m, and the both hands spacing of manipulation object is greater than 30cm, stretches out to health front, and the distance apart from both shoulders is greater than 50cm; Or manipulation object bounces both hands etc.After pick-up unit collects above-mentioned mark action, the manipulation object lock sending this mark action is decided to be target control object.Certainly, above-mentioned is only exemplary enumerate some mark actions, and mark action can also be other actions, and the embodiment of the present invention does not do concrete restriction to this.
The control action information of S102, acquisition target manipulation object.
In order to obtain the control action information of target manipulation object more accurately, before step S102, the method also comprises: the characteristic information obtaining target manipulation object.Wherein, the characteristic information of target manipulation object can be the figure and features feature, body contour etc. of target manipulation object.
Therefore, a kind of possible implementation for step S102 is: according to the characteristic information of target manipulation object, obtains the control action information of target manipulation object.
For how according to the characteristic information of target manipulation object, the control action information obtaining target manipulation object comprises b1)-b4):
B1) according to the characteristic information of target manipulation object, obtain the positional information of target manipulation object in each picture frame in N number of picture frame, N is more than or equal to 2.
B2) determine whether the positional information of target manipulation object in arbitrary neighborhood two picture frames in N number of picture frame all exceedes default displacement threshold value.
B3) if in N number of picture frame in arbitrary neighborhood two picture frames the positional information of target manipulation object all do not exceed default displacement threshold value, then obtain the control action of the manipulation of target in N number of picture frame object.
B4) control action is converted to the discernible control action information for the treatment of apparatus.
Because pick-up unit can capture multiple manipulation object in each picture frame, therefore, pick-up unit needs to obtain the positional information of the manipulation object that the characteristic information that manipulates object with target in each picture frame matches; Meanwhile, the control action that target manipulation object completes needs could be realized by the combination of N number of picture frame, and therefore, pick-up unit need obtain the positional information of target manipulation object in each picture frame in N number of picture frame.
Further, the positional information obtaining target manipulation object in each picture frame in N number of picture frame is for example determines whether the positional information of target manipulation object in arbitrary neighborhood two picture frames in this N number of picture frame all exceedes default displacement threshold value, if exceed default displacement threshold value, then mean lose objects manipulation object; If do not exceed default displacement threshold value, then obtain the control action of target manipulation object in this N number of picture frame, and then, control action is converted to the discernible control action information for the treatment of apparatus.
Example, if the number of image frames of pick-up unit reception per second is 30 frames, i.e. 30 frames/second, in operating room, the normal translational speed of medical personnel is 2m/s, and so, the displacement threshold value preset is 7cm.So, when pick-up unit detects that the shift length of the target manipulation object of adjacent two frames is more than 7cm, then determine lose objects manipulation object; When pick-up unit detects that the shift length of target manipulation object in adjacent two frames is not more than 7cm, then obtain the operational motion of target manipulation object.
S103, control action information target being manipulated object send to treating apparatus, perform corresponding operation to make treating apparatus according to control action information to the medical image shown in display device.
Wherein, treating apparatus performs corresponding operation according to control action information to the medical image shown in display device and comprises: described control action information is converted to corresponding image manipulation instruction by treating apparatus, and performs described image manipulation instruction for the medical image shown in display device; Image manipulation instruction comprises selection, convergent-divergent, translation, rotation etc. to described medical image.
For the medical image shown in display device, preferably 3-D view.
Further, when target manipulation object needs its control to discharge, as shown in Figure 3, after step s 103, this control method also comprises:
The release movement of S104, acquisition target manipulation object.
Example, this release movement can do the gesture motion of triumph " V " font for the both hands of target manipulation object within the scope of the 0-50cm of front simultaneously, can certainly by being other action, and the embodiment of the present invention does not add restriction to this.
S105, according to release movement, delete target manipulation object characteristic information.
Like this, pick-up unit, by deleting the characteristic information of target manipulation object, eliminates the tracking lock to target manipulation object.Like this, other manipulation object by performing mark action, can become new target manipulation object.
Based on the control method of the medical image picture display that the embodiment of the present invention provides, by determining target manipulation object, and then, obtain the control action information of target manipulation object, and this control action information is sent to treating apparatus, like this, only have the action of locked target manipulation object just understand collected and respond, any action of other objects does not respond, and avoids the interference of other objects to target manipulation object; Further, control action information is converted to corresponding image manipulation instruction by treating apparatus, to process accordingly the medical image picture shown in display device according to this image manipulation instruction.Technique scheme is compared with prior art, by manipulating locking and the tracking of object to target in the embodiment of the present invention, achieve the action only having target to manipulate object and just understand collected and response, avoid the problem of the valid function instruction that can collect multiple object in prior art and the medical picture caused display confusion, improve operability.
Embodiment two
Embodiments provide the control system of a kind of medical image display, as shown in Figure 4, this control system 100 comprises: pick-up unit 40, treating apparatus 50 and display device 60, treating apparatus 50 is connected with pick-up unit 40, display device 50 respectively.
Wherein, as shown in Figure 5, pick-up unit 40 comprises determination module 401, first acquisition module 402, sending module 403.Concrete:
Determination module 401, for determining target manipulation object; First acquisition module 402, for obtaining the control action information of the target manipulation object that determination module 401 is determined; Sending module 403, the control action information for the target manipulation object obtained by the first acquisition module 402 sends to treating apparatus;
Treating apparatus 50 performs corresponding operation for the control action information sent according to sending module 403 to the medical image of display in display device 60.
Preferably, treating apparatus 40 is converted to corresponding image manipulation instruction specifically for sending module 403 being sent control action information, and performs described image manipulation instruction for the medical image of display in display device 60; Wherein, image manipulation instruction comprises selection to described medical image, convergent-divergent, translation, rotation.
Optionally, as shown in Figure 6, determination module 401 comprises:
First acquiring unit 401a, for obtaining trigger action set, trigger action set comprises the trigger action of each manipulation object at least one manipulation object;
First determining unit 401b, for determining mark action in the trigger action set from the first acquiring unit 401a acquisition, and is defined as target manipulation object by the manipulation object sending mark action.
Optionally, as shown in Figure 6, pick-up unit 40 also comprises: the second acquisition module 404;
Second acquisition module 404, also manipulate the control action information of object for obtaining target at the first acquisition module 402 before, obtains the characteristic information of target manipulation object;
First acquisition module 402, the target specifically for obtaining according to the second acquisition module 404 manipulates the characteristic information of object, obtains the control action information of target manipulation object.
Optionally, as shown in Figure 6, the first acquisition module 402 comprises:
Second acquisition unit 402a, the target for obtaining according to the second acquisition module 404 manipulates the characteristic information of object, and obtain the positional information of target manipulation object in each picture frame in N number of picture frame, N is more than or equal to 2;
Second determining unit 402b, also for determining whether the positional information of target manipulation object in arbitrary neighborhood two picture frames in N number of picture frame that second acquisition unit 402a obtains all exceedes default displacement threshold value;
Second acquisition unit 402a, if also determine that the positional information of target manipulation object in arbitrary neighborhood two picture frames in N number of picture frame does not all exceed default displacement threshold value for the second determining unit 402b, then obtain the control action of target manipulation object in N number of picture frame;
Converting unit 402c, the control action for being obtained by second acquisition unit 402a is converted to the discernible control action information for the treatment of apparatus.
Optionally, as shown in Figure 6, pick-up unit 40 also comprises: processing module 405;
First acquisition module 402, also for after control action information being sent to treating apparatus at sending module 403, obtains the release movement of target manipulation object;
Processing module 405, for the release movement obtained according to the first acquisition module 402, deletes the characteristic information of target manipulation object.
It should be noted that, for the description that pick-up unit 40 can be corresponding in reference example one, do not repeat them here; Can be host computer, computing machine etc. for treating apparatus 50; Display device 60 can be a part for treating apparatus 50, also can be independently display device, as projector equipment etc.For in the display of medical image, display device can select special medical display, because special medical display contrast is high, meet the display standard of digital imaging and communications in medicine (Digital Imaging and Communications in Medicine is called for short DICOM) image.
When the display system of above-mentioned medical image is applied to the sterilized space of operating room, consider that target manipulator is while operating medical image picture, also need the picture that look at display in medical display, so, pick-up unit is generally arranged on directly over medical display, and faces the direction of operating table.
Below, the sterilized space being applied to operating room for the display system of above-mentioned medical image is described.Because the action of target manipulation object can have multiple different combination, therefore, with the behavior of common people and thinking habit, illustrate to the control action of target manipulation object, treating apparatus then realizes processing accordingly image according to the action of target manipulation object:
1) interested image is selected: the right hand aloft movement up and down can control sign (as arrow) position on the display apparatus, after sign moves to above interested image, left hand keeps clenching fist, the right hand action of opening that repeats to clench fist can choose image twice, and makes this image-region cover whole display screen.
2) rotation of image: the right hand is clenched fist and image can be made to start to rotate, and the position of sign determines direction and the speed of image rotation.
To adopt polar mathematical model explanation, the center of display device is polar initial point, the angle of the position residing for sign determines the direction of rotation, the corresponding direction rotated of each angle, polar radius determines the speed, speed and the polar radius direct proportionality that rotate.
When the right hand is clenched fist, just when rotated, if left hand is clenched fist suddenly, or the right hand opens suddenly image, then can stop the rotation, and picture keeps motionless, to observe static picture.
3) convergent-divergent of image: both hands also keep the state of opening facing to pick-up unit, then widen the distance between both hands, image just can amplify, and reduces the distance between both hands, and image just can reduce.The amplitude of mitigation and amplification, is decided by the amplitude of variation of the spacing of both hands.
4) change interested image: if think replacing interested image, can keep clenching fist by left hand, the right hand repeats the action twice of opening of clenching fist, and can get back to initial windows display interface.Repeat 1)-4) and operation can carry out same operation to another piece image.
It should be noted that, the medical image of above-mentioned display device display can be two dimensional image, also can be 3-D view.Preferably, the medical image of display device display is 3-D view.
Although two-dimensional medical image picture also can realize the judgement to focus, but two-dimensional medical image picture is directly perceived not, doctor still needs the experience by oneself to form the judgement of the 3-D solid structure of the reality to focus, simultaneously, some institutional framework all might not may show often opening in two-dimensional medical image picture due to special physiological structure, doctor may need to browse multiple medical image pictures and carry out comprehensive descision, taking of operating time can be caused, therefore, surface rendering techniques or Volume Rendering Techniques can be utilized, two-dimensional medical image picture is converted to 3 D medical image picture, make doctor clearly can see the concrete distribution of diseased region and normal structure organ on the display apparatus, and then simulate various operation plan in the preoperative, and compared and study, design best Operative approch and scheme, make to drop to minimum level to the damage of surrounding tissue and organ.
Based on the control system of the medical image picture display that the embodiment of the present invention provides, pick-up unit determination target manipulation object, and then, obtain the control action information of target manipulation object, and this control action information is sent to treating apparatus, like this, the action of the target manipulation object only having detected device to lock just is understood collected and responds, any action of other objects does not respond, and avoids the interference of other objects to target manipulation object; Further, the action message of the target manipulation object that pick-up unit sends by treating apparatus is converted to corresponding image manipulation instruction, to process accordingly the medical image picture shown in display device according to this image manipulation instruction.Technique scheme is compared with prior art, by pick-up unit, target is manipulated to locking and the tracking of object in the embodiment of the present invention, achieve the action only having target to manipulate object and just understand collected and response, avoid the problem of the valid function instruction that can collect multiple object in prior art and the medical picture caused display confusion, improve operability.
The above; be only the specific embodiment of the present invention, but protection scope of the present invention is not limited thereto, is anyly familiar with those skilled in the art in the technical scope that the present invention discloses; change can be expected easily or replace, all should be encompassed within protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the protection domain of described claim.
Claims (14)
1. a control method for medical image display, is characterized in that, comprising:
Determine target manipulation object;
Obtain the control action information of described target manipulation object;
The control action information of described target manipulation object is sent to treating apparatus, according to described control action information, corresponding operation is performed to the medical image shown in display device to make described treating apparatus.
2. control method according to claim 1, is characterized in that, described determine target manipulation object comprise:
Obtain trigger action set, described trigger action set comprises the trigger action of each manipulation object at least one manipulation object;
From described trigger action set, determine mark action, and the manipulation object sending described mark action is defined as target manipulation object.
3. control method according to claim 1 and 2, is characterized in that, before the control action information of described acquisition described target manipulation object, described control method also comprises:
Obtain the characteristic information of described target manipulation object;
The control action information of described acquisition described target manipulation object comprises: according to the characteristic information of described target manipulation object, obtain the control action information of described target manipulation object.
4. control method according to claim 3, is characterized in that, the described characteristic information according to described target manipulation object, and the control action information obtaining described target manipulation object comprises:
According to the characteristic information of described target manipulation object, obtain the positional information of the manipulation of target described in each picture frame object in N number of picture frame, N is more than or equal to 2;
Determine whether the positional information of the manipulation of target described in arbitrary neighborhood two picture frames object in described N number of picture frame all exceedes default displacement threshold value;
If the positional information of the manipulation of target described in arbitrary neighborhood two picture frames object does not all exceed described default displacement threshold value in described N number of picture frame, then obtain the control action of the manipulation of target described in described N number of picture frame object;
Described control action is converted to the discernible control action information of described treating apparatus.
5. control method according to claim 4, is characterized in that, described described control action information is sent to treating apparatus after, described control method also comprises:
Obtain the release movement of described target manipulation object;
According to described release movement, delete the characteristic information of described target manipulation object.
6. control method according to claim 1, is characterized in that, described treating apparatus performs corresponding operation according to described control action information to the medical image shown in display device and comprises:
Described control action information is converted to corresponding image manipulation instruction by described treating apparatus, and performs described image manipulation instruction for the medical image shown in display device; Described image manipulation instruction comprises selection to described medical image, convergent-divergent, translation, rotation.
7. control method according to claim 1, is characterized in that, the medical image of described display device display is 3-D view.
8. a control system for medical image display, it is characterized in that, comprising: pick-up unit, treating apparatus and display device, described treating apparatus is connected with described pick-up unit, described display device respectively;
Described pick-up unit comprises determination module, the first acquisition module, sending module; Wherein, described determination module, for determining target manipulation object; Described first acquisition module, for obtaining the control action information of the target manipulation object that described determination module is determined; Described sending module, the control action information for the target manipulation object obtained by described first acquisition module sends to treating apparatus;
The control action information that described treating apparatus is used for sending according to described sending module performs corresponding operation to the medical image shown in display device.
9. control system according to claim 8, is characterized in that, described determination module comprises:
First acquiring unit, for obtaining trigger action set, described trigger action set comprises the trigger action of each manipulation object at least one manipulation object;
First determining unit, for determining mark action in the trigger action set from described first acquiring unit acquisition, and is defined as target manipulation object by the manipulation object sending described mark action.
10. control system according to claim 8 or claim 9, it is characterized in that, described pick-up unit also comprises: the second acquisition module;
Described second acquisition module, also manipulate the control action information of object for obtaining described target at described first acquisition module before, obtains the characteristic information of described target manipulation object;
Described first acquisition module, the target specifically for obtaining according to described second acquisition module manipulates the characteristic information of object, obtains the control action information of described target manipulation object.
11. control system according to claim 9, is characterized in that, described first acquisition module comprises:
Second acquisition unit, the target for obtaining according to described second acquisition module manipulates the characteristic information of object, and obtain the positional information of the manipulation of target described in each picture frame object in N number of picture frame, N is more than or equal to 2;
Second determining unit, also for determining whether the positional information of the manipulation of target described in arbitrary neighborhood two picture frames object in described N number of picture frame that described second acquisition unit obtains all exceedes default displacement threshold value;
Described second acquisition unit, if also determine that the positional information of the manipulation of target described in arbitrary neighborhood two picture frames object in described N number of picture frame does not all exceed described default displacement threshold value for described second determining unit, then obtain the control action of the manipulation of target described in described N number of picture frame object;
Converting unit, the described control action for being obtained by described second acquisition unit is converted to the discernible control action information of described treating apparatus.
12. control system according to claim 8, is characterized in that, described pick-up unit also comprises: processing module;
Described first acquisition module, also for after described control action information being sent to treating apparatus at described sending module, obtains the release movement of described target manipulation object;
Described processing module, for the release movement obtained according to described first acquisition module, deletes the characteristic information of described target manipulation object.
13. control system according to claim 8, it is characterized in that, described treating apparatus is converted to corresponding image manipulation instruction specifically for described sending module is sent control action information, and performs described image manipulation instruction for the medical image shown in display device; Described image manipulation instruction comprises selection to described medical image, convergent-divergent, translation, rotation.
14. control system according to claim 8, is characterized in that, the medical image of described display device display is 3-D view.
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