CN102626326A - Measuring point positioning method and system of diasonograph with touch screen - Google Patents
Measuring point positioning method and system of diasonograph with touch screen Download PDFInfo
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- CN102626326A CN102626326A CN2012101230162A CN201210123016A CN102626326A CN 102626326 A CN102626326 A CN 102626326A CN 2012101230162 A CN2012101230162 A CN 2012101230162A CN 201210123016 A CN201210123016 A CN 201210123016A CN 102626326 A CN102626326 A CN 102626326A
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Abstract
The invention relates to a measuring point positioning method and system of a diasonograph with a touch screen. The positions of measuring points of the diasonograph are calculated and obtained through adding the initial measuring point coordinates to offset values produced due to changes of the positions of touch points; and before one-time measurement is completed, the positions of the measuring points can be switched to be regulated until all measuring points arrive in ideal positions, and then a measuring result is calculated. By adopting the measuring point positioning method and system, during the measurement, a doctor can continue to revise the positions of the measuring points after the measuring points are positioned for the first time, so the positions of the measuring points are more accurate and then the obtained computing result is more accurate; and the doctor can send measuring point control instructions to any area except the measuring points on the touch screen, so the defect of computing result error caused by inaccuracy in positioning occurring because the measuring points are blocked when the touch screen is operated by using fingers is avoided. Therefore, by adopting the measuring point positioning method and system, the measuring points in the diasonograph with the touch screen can be positioned more accurately.
Description
Technical field
The present invention relates to a kind of measurement point localization method and system, especially a kind of measurement point localization method and system of touch screen diasonograph belong to the technical field of touch screen diasonograph.
Background technology
Diagnostic ultrasonic equipment is to utilize ultrasonic detecting technology, through measuring data and the form of understanding human tissue structure.Along with the new technique of continuous development and clinical diagnostic applications extensively and profoundly, further new demand has been proposed for software operation method easily and ultrasonic diagnosis accurately.
Along with the development of touch screen technology, industry is applied in it on existing diasonograph, has overcome the difficulty that doctor vision and sense of touch in diagnostic procedure are separated, and makes the doctor more direct to the operation of diasonograph.
In the conventional ultrasound diagnostic apparatus; Measure and be calculated as that the doctor makes correct diagnosis and treatment provides important basis, its often through trace ball on the keyboard move and definite key cooperates the measurement and the calculating of the distance accomplished under the different mode, speed, volume, area etc., such mode of operation shortcoming is; Operating procedure is many; Realize trouble, the motion track of trace ball is difficult to accurate control, thereby influences certainty of measurement.
In the existing touch screen diasonograph; Removed the trace ball in the traditional instrument; Utilize the location of the characteristic of touch screen itself, make operation intuitively succinctly through Origin And Destination in direct or indirect mode (including but are not limited to operations such as using finger, felt pen etc. are clicked, slip) the completion measurement.
Owing to be touch screen operation; No matter the touch screen that adopts is pressure transducer or electric resistance sensor; Touch screen just responded this operation when touch screen operation all need satisfy certain condition, so when the doctor clicks touch screen with finger or other modes, have following problem:
When one, finger or other modes contact touch screen and confirm measurement point; Contact the sight line that certain contact area is arranged between object and the touch screen and in the process of operation, can block the doctor; Cause the doctor position of location survey point exactly; Thereby influence the accuracy of result of calculation, further can influence the doctor and make correct diagnosis, the consequence that causes possibly compare seriously;
Two,, a measurement point need be drawn to next measurement point after confirming; Then in the whole operation process; In pulling process, can't respond this operation to the inhomogeneous touch screen that causes of the touch screen pressure of touch screen in case work as the doctor, this moment, system can judge that current location is a terminal point, thereby calculated measurement result automatically; Be that this measures end; Hope that with doctor itself terminal point of measuring has discrepancy like this, measurement result in this case is nonsensical, so such operation has certain difficulty for the doctor of first use touch screen diasonograph;
Three, aforesaid operations is after as long as finger or other modes are left touch screen and do not done response; At this moment measurement point has just confirmed also to calculate automatically measurement result; Be that one-shot measurement finishes,, also can only get into again to measure next time and realize even the doctor hopes to adjust once more the position of measurement point.
Therefore, it is ultrasonic in the problem that runs into aspect the measurement point location to need that a kind of operation is simple more, the method for measuring more accurately solves existing touch screen.
Summary of the invention
The objective of the invention is to overcome the deficiency that exists in the prior art, a kind of measurement point localization method and system of touch screen diasonograph is provided, it can make the accurate location of measurement point in the touch screen diasonograph, and is safe and reliable.
According to technical scheme provided by the invention, a kind of measurement point localization method of touch screen diasonograph, said measurement point localization method comprises the steps:
A, receive touch screen through the touch screen input module and measure instruction to get into the measurement state; The touch screen input module is measured instruction with touch screen and is transferred to controller; Controller is measured instruction analysis according to touch screen and is write down point to be measured, and said point to be measured comprises first measurement point and second measurement point that is provided with according to first measurement point; But controller is set at editing mode with first measurement point, and the initial position that initial position, first measurement point of first measurement point is set at the editable pictorial symbolization and second measurement point shows output through display screen;
B, receive the first adjustment instruction be used for first measurement point is carried out the position adjustment through the touch screen input module; The touch screen input module is transferred to the first adjustment instruction in the controller; Controller receives and identifies the primary importance adjustment information that comprises in the first adjustment instruction, and controller is transferred to said primary importance adjustment information in the measurement module; Measurement module with said primary importance adjustment information be associated with the initial position of first measurement point calculate after, export the adjusted first measurement point position to controller, controller shows the first corresponding measurement point of output adjustment back through display screen;
C, receive the adjustment switching command, and said adjustment switching command is transferred in the controller through the touch screen input module; But controller is set at editing mode according to the adjustment switching command with second measurement point, and second measurement point is set at editable pictorial symbolization through display screen demonstration output;
D, receive the second adjustment instruction be used for second measurement point is carried out the position adjustment through the touch screen input module; The touch screen input module is transferred to the second adjustment instruction in the controller; Controller receives and identifies the second position adjustment information that comprises in the second adjustment instruction, and said second position adjustment information is transferred in the measurement module; Measurement module with said second position adjustment information be associated with the initial position of second measurement point calculate after, export the adjusted second measurement point position to controller, controller shows the second corresponding measurement point of output adjustment back through display screen;
E, receive through the touch-screen input module and to be used for the adjusted definite instruction of first measurement point and the second measurement point position, and said definite instruction is transferred in the controller, controller is transferred to said definite instruction in the measurement module; Measurement module receives confirms that the instruction back obtains adjusting back first measurement point and positional information calculation first measurement point of adjustment back second measurement point and the distance between second measurement point based on above-mentioned, and said distance is passed back in the controller;
F, controller show the distance of output adjustment back first measurement point and adjustment back second measurement point by display screen.
In a kind of further embodiment of the present invention; Said point to be measured also comprises the 3rd measurement point and the 4th measurement point of setting according to first measurement point, interconnects the back between said first measurement point, second measurement point, the 3rd measurement point and the 4th measurement point and forms oval-shaped measurement curve.
In a kind of further embodiment of the present invention; When point to be measured also comprises the 3rd measurement point and the 4th measurement point; After respectively first measurement point, second measurement point being carried out the position adjustment, also need carry out the position adjustment to the 3rd measurement point, the 4th measurement point respectively through the 3rd adjustment instruction, the 4th adjustment instruction through the first adjustment instruction and the second adjustment instruction; Measurement module calculates the oval-shaped major axis of output, minor axis, girth and area according to the positional information of adjustment back first measurement point, second measurement point, the 3rd measurement point and the 4th measurement point.
In a kind of further embodiment of the present invention, said first measurement point is initial and touch screen position contacting, and second measurement point, the 3rd measurement point and the 4th measurement point are that controller is according to the predefined position of first measurement point.
In a kind of further embodiment of the present invention, the primary importance information of said controller identification and second position information are included in starting point coordinate that contacts with touch screen when sliding beginning on the touch screen and the terminal point coordinate that slides and contact with touch screen when finishing.
In a kind of further embodiment of the present invention, the primary importance information and the second position information of said controller identification comprise transversal displacement and the vertical misalignment amount that has directivity.
In a kind of further embodiment of the present invention; After but controller is set at editing mode with first measurement point and second measurement point; And directionkeys is set around first measurement point and second measurement point, adjust the position of first measurement point and second measurement point with ability direction of passage key.
In a kind of further embodiment of the present invention, said controller shows the corresponding horizontal line in output first measurement point and the second measurement point position, in the vertical line one or both through display screen.
In a kind of further embodiment of the present invention, a kind of measurement point navigation system of touch screen diasonograph comprises diasonograph and covers the touch screen on the said diasonograph display screen; Also comprise measurement module, said measurement module is connected with the interior controller of diasonograph; Measurement module receives the position adjustment information of controller transmission; And be associated according to the said position adjustment information and the initial position of point to be measured and calculate the position of the corresponding adjustment back of output in controller, back point to be measured, controller shows the position of point to be measured after the output adjustment through display screen; When controller after instruction is confirmed in measurement module transmission; Measurement module calculates the range information between the point to be measured of above-mentioned definite back; Measurement module will confirm that the range information between the point to be measured of back is transferred in the controller, and controller shows the range information between the measurement point of the definite back of output through display screen.
Radiating circuit and transducer in said controller and the diasonograph interconnect, and the outfan of radiating circuit links to each other with transducer; The outfan of transducer links to each other with receiving circuit, and receiving circuit links to each other with display screen through wave beam synthesis module, signal processing image forming module, and receiving circuit, wave beam synthesis module, signal processing image forming module and display screen and controller interconnect; Controller also links to each other with the touch screen input module.
Advantage of the present invention: the present invention provides a kind of measurement point localization method of touch screen diasonograph, and on the one hand, it can the direct or indirect mode of zone passage beyond the measurement point operate the accurate location of accomplishing measurement point to touch screen on touch screen; On the other hand, before the one-shot measurement EO,, then can repeatedly adjust the position of measurement point and after till the satisfaction, calculate again, and the adjustment of the position of a plurality of measurement points can hocket through switching as long as the doctor is dissatisfied to current measurement point position.Like this, make the measurement of touch screen diasonograph and calculating operation more convenient, it is more accurate to measure with result of calculation.
Description of drawings
Fig. 1 is a touch screen ultrasonic diagnostic equipment system block diagram of the present invention.
Fig. 2 measures the back sketch map for the present invention gets into.
Fig. 3 adjusts the measurement point position view for the present invention.
Fig. 4 calculates sketch map for the present invention behind the measurement point location.
Fig. 5 carries out the oval sketch map of measuring for the present invention.
Fig. 6 is oval each endpoint location sketch map for the present invention adjusts.
Fig. 7 calculates sketch map for the present invention after oval each endpoint location.
Fig. 8 is that direction of passage key of the present invention is to the localized sketch map of measurement point.
Fig. 9 shows the horizontal line or the vertical line sketch map of measurement point position for the present invention.
Figure 10 the present invention is the Measuring Time sketch map under the M pattern.
The specific embodiment
Below in conjunction with concrete accompanying drawing and embodiment the present invention is described further.
As shown in Figure 1: as, to the present invention includes diasonograph and be covered in the touch screen on the said diasonograph display screen in order in the touch screen diasonograph, to realize accurate location to measurement point; Also comprise measurement module, said measurement module is connected with the interior controller of diasonograph; Measurement module receives the position adjustment information of controller transmission; And be associated according to the said position adjustment information and the initial position of point to be measured and calculate the position of the corresponding adjustment back of output in controller, back point to be measured, controller shows the position of point to be measured after the output adjustment through display screen; When controller after instruction is confirmed in measurement module transmission; Measurement module calculates the range information between the point to be measured of above-mentioned definite back; Measurement module will confirm that the range information between the point to be measured of back is transferred in the controller, and controller shows the range information between the measurement point of the definite back of output through display screen.Usually, controller is to the position adjustment information and the touch screen input module input of definite instruction through linking to each other with touch screen of measurement module input.
Wherein, measurement module comprises measurement point locating module and computing module, and the display screen here is meant that touch screen is covered on the display screen.Except that controller, also comprise radiating circuit and transducer in the diasonograph, radiating circuit and transducer in said controller and the diasonograph interconnect, and the outfan of radiating circuit links to each other with transducer; The outfan of transducer links to each other with receiving circuit, and receiving circuit links to each other with display screen through wave beam synthesis module, signal processing image forming module, and receiving circuit, wave beam synthesis module, signal processing image forming module and display screen and controller interconnect; Controller also links to each other with the touch screen input module.
During work; At first radiating circuit is under the coordination of controller; Send the signal of telecommunication to transducer, transducer (also claiming probe) is converted into ultrasound wave with the signal of telecommunication and passes to the receiving circuit input, and the echo signal on the different directions is carried out dynamic focusing and dynamic aperture processing; It is synthetic together, carry out processing such as noise suppressed, envelope detection, logarithmic compression and measurement calculating then and finally be presented on the display screen.
When utilizing the measurement point navigation system of touch screen diasonograph of the present invention to carry out the measurement point location, can comprise the steps, be specially:
A, receive touch screen through the touch screen input module and measure instruction to get into the measurement state; The touch screen input module is measured instruction with touch screen and is transferred to controller; Controller is measured instruction analysis according to touch screen and is write down point to be measured, and said point to be measured comprises first measurement point and second measurement point that is provided with according to first measurement point; But controller is set at editing mode with first measurement point, and the initial position that initial position, first measurement point of first measurement point is set at the editable pictorial symbolization and second measurement point shows output through display screen;
Said point to be measured also comprises the 3rd measurement point and the 4th measurement point of setting according to first measurement point, interconnects the back between said first measurement point, second measurement point, the 3rd measurement point and the 4th measurement point and forms oval-shaped measurement curve.Usually, will be set at first measurement point with the touch screen position contacting first; Second measurement point, the 3rd measurement point and the 4th measurement point all carry out respective settings by controller according to preset parameters according to the first measurement point set condition.
B, receive the first adjustment instruction be used for first measurement point is carried out the position adjustment through the touch screen input module; The touch screen input module is transferred to the first adjustment instruction in the controller; Controller receives and identifies the primary importance adjustment information that comprises in the first adjustment instruction, and controller is transferred to said primary importance adjustment information in the measurement module; Measurement module with said primary importance adjustment information be associated with the initial position of first measurement point calculate after, export the adjusted first measurement point position to controller, controller shows the first corresponding measurement point of output adjustment back through display screen;
The primary importance information of said controller identification is included in starting point coordinate that contacts with touch screen when sliding beginning on the touch screen and the terminal point coordinate that slides and contact with touch screen when finishing.The primary importance information of said controller identification comprises transversal displacement and the vertical misalignment amount that has directivity.
C, receive the adjustment switching command, and said adjustment switching command is transferred in the controller through the touch screen input module; But controller is set at editing mode according to the adjustment switching command with second measurement point, and second measurement point is set at editable pictorial symbolization through display screen demonstration output;
After controller received the adjustment switching command, can be automatically first measurement point being set at can not editing mode, to keep the position of adjustment back first measurement point.
D, receive the second adjustment instruction be used for second measurement point is carried out the position adjustment through the touch screen input module; The touch screen input module is transferred to the second adjustment instruction in the controller; Controller receives and identifies the second position adjustment information that comprises in the second adjustment instruction, and said second position adjustment information is transferred in the measurement module; Measurement module with said second position adjustment information be associated with the initial position of second measurement point calculate after, export the adjusted second measurement point position to controller, controller shows the second corresponding measurement point of output adjustment back through display screen;
The method of second measurement point being carried out position adjustment is consistent with the method that first measurement point carries out adjusting the position; All are transversal displacement and the vertical misalignment amounts through comprising in the adjustment information of position, measurement module is adjusted to the relevant position according to the initial position of transversal displacement, vertical misalignment amount and second measurement point with second measurement point.When needs are adjusted first measurement point once more, can in controller, import the adjustment switching command once more, according to aforementioned manner first measurement point is regulated again.
E, receive through the touch-screen input module and to be used for the adjusted definite instruction of first measurement point and the second measurement point position, and said definite instruction is transferred in the controller, controller is transferred to said definite instruction in the measurement module; Measurement module receives confirms that the instruction back obtains adjusting back first measurement point and positional information calculation first measurement point of adjustment back second measurement point and the distance between second measurement point based on above-mentioned, and said distance is passed back in the controller;
After controller received to confirm instruction, can be automatically first measurement point and second measurement point being set at simultaneously can not editing mode, to keep first measurement point and the adjusted positional information of second measurement point.After first measurement point and second measurement point are adjusted to the right place, generally need to calculate the positional information between output first measurement point and second measurement point.
F, controller show the distance of output adjustment back first measurement point and adjustment back second measurement point by display screen.
The localization method of measurement point of the present invention is described through the specific embodiment of Fig. 2～Figure 10 below.
At first; With shown in Figure 2 is example; The touch screen input module receives through direct or indirect mode and measures instruction to the touch screen that touch screen sends, and said formation touch screen is measured instruction and can be included but are not limited to pointing or mode such as felt pen such as clicks, pulls at operation, then; The touch screen input module is measured instruction with said touch screen and is transferred to controller; Controller receives touch screen and measures instruction, writes down current touch screen position to form point to be measured, and said point to be measured comprises that first measurement point reaches and corresponding second measurement point of first point to be measured; And the current location of first measurement point and second measurement point is transferred to the initial position that display screen demonstrates point to be measured; Point to be measured includes only first measurement point and second point to be measured among the embodiment of Fig. 2～shown in Figure 4.But controller is set the initial position of first measurement point to be current touch screen position and to be set at editing mode, is current touch screen position like Fig. 2 mid point a, and coordinate is designated as (x
1, y
1), and the pictorial symbolization (i.e. second measurement point) be different from first measurement point is set is shown to the doctor through display screen, the initial position of second measurement point is preestablished by system, and like Fig. 2 mid point b, coordinate is designated as (x
2, y
2).
Then; In measuring process; But the touch screen input module receives through direct or indirect mode current first measurement point a that is in editing mode on touch screen and sends the first adjustment instruction that has positional information; The touch screen input module is transferred to controller with the first adjustment instruction, and controller receives the first adjustment instruction, and identifies the primary importance adjustment information that comprises in the first adjustment instruction.Said primary importance adjustment information comprises starting point coordinate that contacts with touch screen when sliding beginning and the terminal point coordinate that slides and contact with touch screen when finishing; Controller is transferred to measurement module with the primary importance adjustment information with above-mentioned first adjustment after the instruction process, comprises lateral coordinates side-play amount and the along slope coordinate side-play amount that the starting point coordinate that contacts with touch screen and terminal point coordinate calculate the first measurement point a respectively by the measurement point locating module in the measurement module in the first adjustment instruction through importing.Then; With the primary importance adjustment information that comprises in the initial position of the first measurement point a and the first adjustment instruction calculating that is associated; For example; The lateral coordinates skew that is comprised in the first adjustment instruction is a positive m unit, and the along slope coordinate skew is negative n unit, and then controller is with the side-play amount of above-mentioned lateral coordinates and along slope coordinate and the initial coordinate (x of the first measurement point a
1, y
1) be associated and calculate the adjusted first measurement point a
1Coordinate be (x
1+ m, y
1-n) and then adjust first measurement point to new position, as shown in Figure 3 some a
1
Then, when having confirmed the adjusted first measurement point a
1Behind the position; The touch screen input module receives the adjustment switching command that sends to touch screen through direct or indirect mode; The touch screen input module will be adjusted switching command and be transferred to controller; Controller receives said adjustment switching command; Be set at definite state (promptly can not to adjusted first measurement point edit adjustment) with the adjusted first measurement point a this moment, but and the second measurement point b is set at editing mode, and the second measurement point b be labeled as editable pictorial symbolization be transferred to the display screen demonstration.Then; When the touch screen input module receive send the second adjustment instruction have positional information through direct or indirect mode to the second measurement point b on the touch screen after; The second adjustment instruction is transferred to controller; Controller receives and identifies the second adjustment instruction; And second adjustment is obtained second position adjustment information after the instruction process be transferred to measurement module, by the measurement point locating module in the measurement module second position adjustment information that comprises in the initial position message of the second measurement point b and the touch screen instruction is associated after the calculating, make the second measurement point b adjust to new position; The said new position and the second adjustment instruction final position of will adjusting are consistent, as shown in Figure 3 some b
1Be negative s unit if calculate the lateral coordinates side-play amount according to the second position adjustment information that is comprised in the second adjustment instruction, the along slope coordinate side-play amount is negative t unit, and then controller writes down the second measurement point b
1Adjusted coordinate is (x
2-s, y
2-t).
The initial coordinate of the positional information that comprises in the first adjustment instruction that the position of current adjustment first measurement point and second measurement point is only received with the touch screen input module, the second adjustment instruction and first measurement point, second measurement point is relevant; And with track that the first adjustment instruction, the second adjustment instruction produce on touch screen have no related, but promptly the user can remove zone the current measurement point that is in editing mode and slides to make with any track and adjust the position that the positional information that comprises in instructing is associated with the coordinate of measurement point and then controls this measurement point on touch screen.
For the positional information that comprises in the adjustment instruction, irrelevant with the concrete sliding trace that is produced during the slip.
The position of at last adjusting first measurement point and second measurement point successively according to above-mentioned steps is after it all reaches ideal position; At this moment the touch screen input module receives from the arbitrary region beyond all measurement points on the touch screen and sends definiteness order really; And will confirm that instruction is transferred to controller, controller receives to be confirmed instruction and thinks to confirm operation; When controller is thought that above-mentioned definite instruction confirm operation, then simultaneously second measurement point is set at definite state, (promptly can not edit adjustment) to adjusted second measurement point.
Usually, after second measurement point is adjusted to the right place according to the second adjustment instruction, in the time of also need adjusting once more, only need on touch screen, import the adjustment switching command once more to first measurement point; The touch screen input module will be adjusted switching command and be transferred to controller, but controller can be set at editing mode with first measurement point once more, thereby can carry out the position adjustment to adjusted first measurement point once more; Identical to adjusting the back method adjusted once more of first measurement point with before method of adjustment, detailed description no longer here.Simultaneously, carry out again still can between first measurement point and second measurement point, repeatedly adjusting switching repeatedly after the above-mentioned adjustment, receive until controller and confirm instruction.
After controller receives definite instruction; Controller can be with confirming to instruct the definite information transmission that comprises in measurement module, calculates measurement result by the computing module in the measurement module according to the position distance calculation formula of current first measurement point and second measurement point:
Promptly obtain adjusting the distance between back first measurement point and second measurement point, as shown in Figure 4, controller receives and identifies the range information output order by the computing module transmission, and then is transferred to display screen demonstration calculated distance information.
Based on the various checking modes of touch screen diasonograph and combine the foregoing description, B pattern (B-Mode), M pattern (M-Mode), CFM pattern (colorful blood pattern) and the PW pattern (pulse Doppler pattern) in the ultrasonic diagnosis of can the localization method of two measurement points in the above-mentioned measurement being applied to is equidistant, time, speed and heart rate measurement or the like.
What Fig. 2, Fig. 3 and Fig. 4 described only is two localized sketch maps of measurement point, but disclosed technical scheme is not limited only to this, further, can also comprise the 3rd measurement point and the 4th measurement point.
In one embodiment of the invention, be measured as example with ellipse, as shown in Figure 5, at first two end points with transverse are designated as the first measurement point a and the second measurement point b, and two end points of ellipse short shaft are designated as the 3rd measurement point c and the 4th measurement point d.
At first; After receiving touch screen and measure instruction through the touch screen input module, get into oval measurement state, but controller receives the instruction that sent by the touch screen input module and the position of first measurement point is set to current touch screen position and is in editing mode; As shown in Figure 5 some a, coordinate is designated as (x
a, y
a), the position of its excess-three measurement point is preestablished by system, the second measurement point b as shown in Figure 5, the 3rd measurement point c and the 4th d, and coordinate is designated as b (x respectively
b, y
b), c (x
c, y
c), d (x
d, y
d).Among Fig. 5, the corresponding track that connects can form oval curve between the first measurement point a, the second measurement point b, the 3rd measurement point c and the 4th measurement point d.
Then; The touch screen input module receives the doctor and sends the first adjustment instruction that has directional information and positional information through direct or indirect mode first measurement point a on touch screen; And the first adjustment instruction is transferred to controller; Controller receives the first adjustment instruction and identifies the primary importance adjustment information that comprises in the instruction, and said primary importance adjustment information comprises starting point coordinate that contacts with touch screen when sliding beginning and the terminal point coordinate that slides and contact with touch screen when finishing.Controller is transferred to measurement module with above-mentioned primary importance adjustment information; Calculate lateral coordinates side-play amount and along slope coordinate side-play amount by the measurement point locating module in the measurement module respectively through starting point coordinate and the terminal point coordinate that contacts with touch screen; Then; And the positional information that comprises in the initial position of the first measurement point a and the primary importance adjustment information is associated, for example, calculate the lateral coordinates skew by the primary importance adjustment information that is comprised in the first adjustment instruction and be negative p unit; The along slope coordinate skew is negative q unit, the then first measurement point a
1Coordinate is (x
a-p, y
a-q), and then adjust the first measurement point a to reposition, some a as shown in Figure 6
1
Then; After the touch-screen input module receives the adjustment switching command from touch-screen; And will adjust switching command and be transferred to controller; But controller is set at editing mode based on the adjustment switching command with second measurement point, and second measurement point is set at editable pictorial symbolization through display screen demonstration output;
When the touch screen input module receives the second adjustment instruction from touch screen; And when being transferred to the second adjustment instruction in the controller; When controller receives and identifies the second position adjustment information that comprises in the second adjustment instruction; Second position adjustment information is transferred to measurement module, by the position that the measurement point locating module in the measurement module further calculates the second measurement point b, some b as shown in Figure 6
1, the position that controller will be adjusted the back second measurement point b shows output through display screen, and then definite major axis position.Need then further through confirming the position of the 3rd measurement point c and the 4th measurement point d and then definite minor axis.
Consider oval geometrical symmetry; Under the situation of known transverse and elliptical center position; But the position of oval the 3rd measurement point c and the 4th measurement point d can be in simultaneously editing mode and with the adjustment instruction in the positional information that comprises be associated; Promptly, as shown in Figure 6 through once adjustment completion; The adjustment process of the process of the 3rd measurement point c and the 4th measurement point d adjustment and the first measurement point a, the second measurement point b is in full accord, no longer is elaborated here.When the 3rd measurement point c and the 4th measurement point d when once adjustment is accomplished; The position adjustment information that comprises in the 3rd adjustment instruction or the 4th adjustment instruction is zero, so that the adjustment process of the 3rd measurement point c and the 4th measurement point d and required adjustment process are consistent.Terminal point when the length variations trend of the minor axis that is shown on the display screen only finishes with slip is associated to the vertical dimension of major axis, and is irrelevant with concrete sliding trace.After the above-mentioned first measurement point a, the second measurement point b, the 3rd measurement point c and the 4th measurement point d carry out the relevant position adjustment; If in the time of also need adjusting once more; Only need in the touch screen input module, import the adjustment switching command, switch to corresponding measurement point after, instruct the position adjustment information that comprises that the measurement point position is adjusted once more through corresponding adjustment instruction and adjustment; Whole adjustment process no longer details with adjustment process is consistent before.
At last; After the position of above-mentioned four measuring point all reaches ideal position; Then discharge the adjustment instruction, the touch screen input module receives from the arbitrary region beyond the four measuring point on touch screen and sends definiteness order really, and controller receives confirms instruction; Think to confirm operation, and note current four measuring point a simultaneously
1, the some b
1, the some c
1And some d
1Coordinate is respectively (x
A ', y
A '), (x
B ', y
B '), (x
C ', y
C '), (x
D ', y
D '), as shown in Figure 7.
Controller is transferred to measurement module with above-mentioned definite instruction, by wherein computing module calculate oval major semiaxis A and semi-minor axis B following:
Oval girth dough-making powder is long-pending to be respectively thereby calculate:
L＝2·π·B+4·(A-B)；
S＝π·A·B
Wherein, L representes the girth of oval curve, and S representes the area of oval curve.
Further, the locate mode of measurement point position can also be realized by the direction of passage key, as shown in Figure 8.Usually, but after controller is set at editing mode with corresponding measurement point, around measurement point, directionkeys is set, said directionkeys comprises the upper and lower, left and right four direction.Have at measurement point under the situation of directionkeys sign, can send the touch screen instruction to the directionkeys of measurement point.For example; The zone of pinning first measurement point place is moved behind ideal position along optional position up and down and is unclamped, and controller receives the adjustment instruction, and the coordinate of record reposition also is transferred to measurement module with it; Calculate the reposition of adjustment back measurement point and be transferred to controller and then be transferred to display by measurement module and show; Adjust the position of all the other measurement points then successively, at last after the position of all measurement points all reaches ideal position, then the touch screen input module receives to the instruction of sending except that all arbitrary regions the measurement point on the touch screen; Controller receives and should instruct; Think to confirm operation, and above-mentioned instruction is transferred to measurement module, by wherein computing module position calculation measurement result according to current all measurement points; At last, computing module is transferred to controller with result of calculation and then is transferred to display screen and shows.Said measurement point region is meant the command reception of aforesaid operations correspondence and the regional extent of response, and it can preestablish this regional area size by system, does not have special restriction.
Above-mentioned direction of passage key is realized that the localized method of measurement point can be applied to the situation of a plurality of measurement points, measures such as ellipse.Though but come location survey point can repeatedly adjust measurement point before one-shot measurement finishes position till satisfaction through said method; Objects such as finger or felt pen but still have following problem: owing to can cover the current measurement point that is moving in the contact touch screen; Make the position of the accurate location survey point comparison difficulty that becomes; So, possibly have a little drawback in the specific implementation.
Further; On the basis of the localized technical scheme of measurement point that the invention described above disclosed; For more clearly represent measurement point in entire image residing position so that the location; Horizontal line and the vertical line that can also confirm current measurement point position according to the abscissa and the vertical coordinate of current measurement point, as shown in Figure 9.
In the practical implementation process; The user can select to show the horizontal line and the vertical line of whole measurement points position according to the needs of concrete measurement project; Perhaps only show in measurement point place horizontal line or the vertical line or all show that such as Measuring Time under the M pattern, the calculating of time is that the difference through the lateral coordinates of two measurement points obtains; Then can select only to show the vertical line at measurement point place, shown in figure 10.
For example, the current first measurement point a coordinate of record is that (m, n), then the first measurement point a belongs to linear equation x in the controller
1For:
x
1：x＝m
When the doctor confirm the position of the second measurement point b, controller write down the current second measurement point b coordinate for (j, k), this measurement point place linear equation x then
2For:
x
2：x＝j
Then calculate time t=|j-k|.
Like Fig. 1～shown in Figure 10: during work, after getting into touch screen measurement state, controller is measured instruction analysis according to touch screen and is confirmed point to be measured, and confirms the position of first measurement point; After the position of first measurement point is confirmed,, set all the other measurement points according to the mode of operation and the measurement requirement of diasonograph; But make the measurement point of winning be editing mode simultaneously.When first measurement point was edited, controller can also can be set the horizontal line or the vertical line of the first measurement point respective coordinates at the direction initialization key all around of first measurement point; The position adjustment information that controller identification adjustment instruction comprises; Position through the position of the measurement point locating module in the measurement module the required adjustment of measurement point; After the position of all measurement points is all confirmed; Calculate the range information between measurement point through the computing module in the measurement module, controller shows the corresponding range information of output through display screen, to wait for the beginning of next measuring process.
The above; Be merely the specific embodiment among the present invention; But protection scope of the present invention is not limited thereto; Can the localization method of above-mentioned measurement point be applied to measurement under each pattern and calculating in the ultrasonic diagnosis,, time equidistant, speed and heart rate measurement or the like such as B pattern, M pattern, CFM pattern and PW pattern.Anyly be familiar with this technological people in the technical scope that the present invention disclosed, can understand conversion or the replacement expected, all should be encompassed in of the present invention comprising within the scope, therefore, protection scope of the present invention should be as the criterion with the protection domain of claims.
Claims (10)
1. the measurement point localization method of a touch screen diasonograph is characterized in that, said measurement point localization method comprises the steps:
(a), receive touch screen through the touch screen input module and measure instruction to get into the measurement state; The touch screen input module is measured instruction with touch screen and is transferred to controller; Controller is measured instruction analysis according to touch screen and is write down point to be measured, and said point to be measured comprises first measurement point and second measurement point that is provided with according to first measurement point; But controller is set at editing mode with first measurement point, and the initial position that initial position, first measurement point of first measurement point is set at the editable pictorial symbolization and second measurement point shows output through display screen;
(b), receive the first adjustment instruction that is used for first measurement point is carried out the position adjustment through the touch screen input module; The touch screen input module is transferred to the first adjustment instruction in the controller; Controller receives and identifies the primary importance adjustment information that comprises in the first adjustment instruction, and controller is transferred to said primary importance adjustment information in the measurement module; Measurement module with said primary importance adjustment information be associated with the initial position of first measurement point calculate after, export the adjusted first measurement point position to controller, controller shows the first corresponding measurement point of output adjustment back through display screen;
(c), receive the adjustment switching command, and said adjustment switching command is transferred in the controller through the touch screen input module; But controller is set at editing mode according to the adjustment switching command with second measurement point, and second measurement point is set at editable pictorial symbolization through display screen demonstration output;
(d), receive the second adjustment instruction that is used for second measurement point is carried out the position adjustment through the touch screen input module; The touch screen input module is transferred to the second adjustment instruction in the controller; Controller receives and identifies the second position adjustment information that comprises in the second adjustment instruction, and said second position adjustment information is transferred in the measurement module; Measurement module with said second position adjustment information be associated with the initial position of second measurement point calculate after, export the adjusted second measurement point position to controller, controller shows the second corresponding measurement point of output adjustment back through display screen;
(e), receive through the touch-screen input module and to be used for the adjusted definite instruction of first measurement point and the second measurement point position, and said definite instruction is transferred in the controller, controller is transferred to said definite instruction in the measurement module; Measurement module receives confirms that the instruction back obtains adjusting back first measurement point and positional information calculation first measurement point of adjustment back second measurement point and the distance between second measurement point based on above-mentioned, and said distance is passed back in the controller;
(f), controller shows the distance of output adjustment back first measurement point and adjustment back second measurement point through display screen.
2. the measurement point localization method of a kind of touch screen diasonograph according to claim 1; It is characterized in that: said point to be measured also comprises the 3rd measurement point and the 4th measurement point of setting according to first measurement point, interconnects the back between said first measurement point, second measurement point, the 3rd measurement point and the 4th measurement point and forms oval-shaped measurement curve.
3. the measurement point localization method of a kind of touch screen diasonograph according to claim 2; It is characterized in that: when point to be measured also comprises the 3rd measurement point and the 4th measurement point; After respectively first measurement point, second measurement point being carried out the position adjustment, also need carry out the position adjustment to the 3rd measurement point, the 4th measurement point respectively through the 3rd adjustment instruction, the 4th adjustment instruction through the first adjustment instruction and the second adjustment instruction; Measurement module calculates the oval-shaped major axis of output, minor axis, girth and area according to the positional information of adjustment back first measurement point, second measurement point, the 3rd measurement point and the 4th measurement point.
4. the measurement point localization method of a kind of touch screen diasonograph according to claim 2; It is characterized in that: said first measurement point is initial and touch screen position contacting, and second measurement point, the 3rd measurement point and the 4th measurement point are that controller is according to the predefined position of first measurement point.
5. the measurement point localization method of a kind of touch screen diasonograph according to claim 1 is characterized in that: the primary importance information of said controller identification and second position information are included in starting point coordinate that contacts with touch screen when sliding beginning on the touch screen and the terminal point coordinate that slides and contact with touch screen when finishing.
6. the measurement point localization method of a kind of touch screen diasonograph according to claim 1 is characterized in that: the primary importance information and the second position information of said controller identification comprise transversal displacement and the vertical misalignment amount that has directivity.
7. the measurement point localization method of a kind of touch screen diasonograph according to claim 1; It is characterized in that: but after controller is set at editing mode with first measurement point and second measurement point; And directionkeys is set around first measurement point and second measurement point, adjust the position of first measurement point and second measurement point with ability direction of passage key.
8. the measurement point localization method of a kind of touch screen diasonograph according to claim 1 is characterized in that: said controller shows the corresponding horizontal line in output first measurement point and the second measurement point position, in the vertical line one or both through display screen.
9. the measurement point navigation system of a touch screen diasonograph comprises diasonograph and covers the touch screen on the said diasonograph display screen; It is characterized in that: also comprise measurement module, said measurement module is connected with the interior controller of diasonograph; Measurement module receives the position adjustment information of controller transmission; And be associated according to the said position adjustment information and the initial position of point to be measured and calculate the position of the corresponding adjustment back of output in controller, back point to be measured, controller shows the position of point to be measured after the output adjustment through display screen; When controller after instruction is confirmed in measurement module transmission; Measurement module calculates the range information between the point to be measured of above-mentioned definite back; Measurement module will confirm that the range information between the point to be measured of back is transferred in the controller, and controller shows the range information between the measurement point of the definite back of output through display screen.
10. the measurement point navigation system of touch screen diasonograph according to claim 9 is characterized in that: radiating circuit and transducer in said controller and the diasonograph interconnect, and the outfan of radiating circuit links to each other with transducer; The outfan of transducer links to each other with receiving circuit, and receiving circuit links to each other with display screen through wave beam synthesis module, signal processing image forming module, and receiving circuit, wave beam synthesis module, signal processing image forming module and display screen and controller interconnect; Controller also links to each other with the touch screen input module.
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