CN106371663B - Method and device for adjusting time gain compensation based on touch screen - Google Patents
Method and device for adjusting time gain compensation based on touch screen Download PDFInfo
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- CN106371663B CN106371663B CN201610770798.7A CN201610770798A CN106371663B CN 106371663 B CN106371663 B CN 106371663B CN 201610770798 A CN201610770798 A CN 201610770798A CN 106371663 B CN106371663 B CN 106371663B
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- 238000000034 method Methods 0.000 title claims abstract description 27
- 230000000007 visual effect Effects 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 8
- 238000002604 ultrasonography Methods 0.000 description 6
- 238000012360 testing method Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 230000007423 decrease Effects 0.000 description 2
- 230000003247 decreasing effect Effects 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010339 medical test Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000001902 propagating effect Effects 0.000 description 1
- 239000000523 sample Substances 0.000 description 1
Classifications
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
- G06F3/0416—Control or interface arrangements specially adapted for digitisers
- G06F3/0418—Control or interface arrangements specially adapted for digitisers for error correction or compensation, e.g. based on parallax, calibration or alignment
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/048—Interaction techniques based on graphical user interfaces [GUI]
- G06F3/0484—Interaction techniques based on graphical user interfaces [GUI] for the control of specific functions or operations, e.g. selecting or manipulating an object, an image or a displayed text element, setting a parameter value or selecting a range
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/048—Interaction techniques based on graphical user interfaces [GUI]
- G06F3/0487—Interaction techniques based on graphical user interfaces [GUI] using specific features provided by the input device, e.g. functions controlled by the rotation of a mouse with dual sensing arrangements, or of the nature of the input device, e.g. tap gestures based on pressure sensed by a digitiser
- G06F3/0488—Interaction techniques based on graphical user interfaces [GUI] using specific features provided by the input device, e.g. functions controlled by the rotation of a mouse with dual sensing arrangements, or of the nature of the input device, e.g. tap gestures based on pressure sensed by a digitiser using a touch-screen or digitiser, e.g. input of commands through traced gestures
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- General Physics & Mathematics (AREA)
- User Interface Of Digital Computer (AREA)
- Ultra Sonic Daignosis Equipment (AREA)
Abstract
the invention relates to a method and a device for adjusting time gain compensation based on a touch screen. The method comprises the following steps: s1, acquiring a touch start point position, a current sliding direction and a current sliding distance of touch operation of a user in an ultrasonic image display area of the touch screen; s2, determining time gain compensation variable quantities corresponding to the current sliding direction and the current sliding distance according to the corresponding relations among the preset sliding direction, the preset sliding distance and the preset time gain compensation variable quantity; and S3, adjusting the time gain compensation of the image area corresponding to the touch starting point position according to the time gain compensation variation. The invention realizes the adjustment by directly performing the touch sliding operation on the image area needing to be adjusted in the ultrasonic image display area by the user, does not need to occupy the screen display space, can adjust which area by wanting to adjust which area, has accurate time gain compensation positioning, and is clear and visual.
Description
Technical Field
The present invention relates to an ultrasonic image display technology, and more particularly, to a method and apparatus for adjusting time gain compensation based on a touch screen.
Background
Ultrasonic testing techniques have been widely used in the medical testing field. The ultrasonic diagnostic apparatus radiates an ultrasonic signal generated by a transducer of a probe to a test object and receives an ultrasonic echo signal reflected from the test object, thereby obtaining an internal image of the test object. Since the ultrasonic wave causes energy loss such as emission and absorption when propagating in the human tissue, the intensity of the ultrasonic wave radiated into the body decreases with increasing depth, and also the intensity of the ultrasonic echo signal decreases according to the distance traveled. To compensate for this attenuation, different gains are applied to the ultrasound echo signals acquired from different portions of the test object, such as Time Gain Compensation (TGC).
in the prior art, the adjustment of the TGC is performed by touching the TGC control interface on the display screen. As shown in fig. 1, a TGC adjustment interface is provided beside an ultrasonic image display area on a touch screen, and sliders corresponding to a plurality of depth adjustments are displayed on the interface, and a user can adjust the TGC of the corresponding depth by sliding each slider. The existing adjusting method not only occupies the screen display space, but also is inaccurate in positioning, and because the depth area corresponding to each sliding block is large, the adjusted part can not be accurately adjusted to the desired adjusting area of the image sometimes.
Disclosure of Invention
The technical problem to be solved by the present invention is to provide a method and an apparatus for adjusting time gain compensation based on a touch screen, which are directly performed in an ultrasound image display area and can be accurately positioned, in order to overcome the above-mentioned drawbacks of the prior art.
The invention aims to solve the technical problem, and in a first aspect, the invention provides a method for adjusting time gain compensation based on a touch screen, which comprises the following steps:
S1, acquiring a touch start point position, a current sliding direction and a current sliding distance of touch operation of a user in an ultrasonic image display area of the touch screen;
S2, determining time gain compensation variable quantities corresponding to the current sliding direction and the current sliding distance according to the corresponding relations among the preset sliding direction, the preset sliding distance and the preset time gain compensation variable quantity;
and S3, adjusting the time gain compensation of the image area corresponding to the touch starting point position according to the time gain compensation variation.
In an embodiment according to the first aspect of the invention, the method further comprises: and displaying the numerical value of the time gain compensation variation corresponding to the current sliding direction and the current sliding distance in a specific area.
in an embodiment according to the first aspect of the present invention, the step S1 further includes: and acquiring initial time gain compensation of an image area corresponding to the touch starting point position based on the touch starting point position of the touch operation.
In an embodiment according to the first aspect of the invention, the method further comprises: and displaying the adjusted time gain compensation value corresponding to the current sliding direction and the current sliding distance in a specific area, wherein the adjusted time gain compensation is equal to the sum of the initial time gain compensation and the time gain compensation variation.
in an embodiment according to the first aspect of the invention, the sliding direction comprises a lateral sliding or a vertical sliding.
In order to solve the technical problem, in a second aspect, the present invention provides a device for adjusting time gain compensation based on a touch screen, including:
The acquisition module is used for acquiring a touch starting point position, a current sliding direction and a current sliding distance of touch operation of a user in an ultrasonic image display area of the touch screen;
The calculation module is used for determining the time gain compensation variation corresponding to the current sliding direction and the current sliding distance according to the corresponding relation among the preset sliding direction, the preset sliding distance and the preset time gain compensation variation;
and the adjusting module is used for adjusting the time gain compensation of the image area corresponding to the touch starting point position according to the time gain compensation variable quantity.
In one embodiment according to the second aspect of the invention, the apparatus further comprises:
And the display module is used for displaying the numerical value of the time gain compensation variation corresponding to the current sliding direction and the current sliding distance in a specific area.
In an embodiment of the second aspect of the present invention, the obtaining module is further configured to obtain an initial time gain compensation of an image area corresponding to a touch start point of the touch operation based on the touch start point.
in one embodiment according to the second aspect of the invention, the apparatus further comprises:
And the display module is used for displaying the adjusted time gain compensation value corresponding to the current sliding direction and the current sliding distance in a specific area, wherein the adjusted time gain compensation is equal to the sum of the initial time gain compensation and the time gain compensation variable quantity.
In an embodiment according to the second aspect of the invention, the sliding direction comprises a lateral sliding or a vertical sliding.
the method and the device for adjusting the time gain compensation based on the touch screen have the following beneficial effects that: the invention realizes the adjustment by directly carrying out the touch sliding operation on the image area needing to be adjusted in the ultrasonic image display area by the user, does not need to occupy the screen display space, can adjust which area by wanting to adjust which area, has accurate time gain compensation positioning, and can also display the numerical value change of the gain compensation in real time to be clear and intuitive.
Drawings
The invention will be further described with reference to the accompanying drawings and examples, in which:
FIG. 1 is a schematic diagram of a prior art interface for adjusting time gain compensation via a touch screen;
FIG. 2 is a flow chart of a method of adjusting time gain compensation based on a touch screen in accordance with one embodiment of the present invention;
FIG. 3 is a schematic diagram of the interface effect of adjusting time gain compensation based on a touch screen according to an embodiment of the present invention;
FIG. 4 is a schematic diagram of an interface effect of adjusting time gain compensation based on a touch screen according to another embodiment of the present invention;
FIG. 5 is a schematic diagram illustrating an interface effect based on touch screen adjustment time gain compensation according to still another embodiment of the present invention;
FIG. 6 is a logical block diagram of an apparatus for adjusting time gain compensation based on a touch screen according to an embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
FIG. 2 illustrates a flow diagram of a method 100 for adjusting time gain compensation based on a touch screen in accordance with one embodiment of the present invention. As shown in FIG. 2, the method 100 for adjusting time gain compensation based on a touch screen includes the following steps:
In step S110, a touch start point position, a current sliding direction, and a current sliding distance of a touch operation of a user in an ultrasound image display area of the touch screen are obtained. When the touch screen is in a state of displaying an ultrasonic image, a user can click any position in the ultrasonic image, which needs time gain compensation, according to the brightness of the ultrasonic image displayed in the ultrasonic image display area on the touch screen, and slide the position in a preset sliding direction to adjust the time gain compensation. In this step S110, the method 100 detects the above-mentioned clicking and sliding operations of the user, obtains the position information of the clicked location, i.e. the touch start point, and obtains the current sliding direction and the current sliding distance of the sliding operation.
then, in step S120, the time gain compensation variation corresponding to the current sliding direction and the current sliding distance is determined according to the corresponding relationship among the preset sliding direction, the preset sliding distance, and the preset time gain compensation variation. For example, it is preset that the time gain compensation variation is increased by a second specific value when the sliding direction is laterally rightward and the sliding distance is a first specific value, and the time gain compensation variation is decreased by the second specific value when the sliding direction is laterally leftward and the sliding distance is a first specific value. For another example, it may be preset that when the sliding distance is a first specific value in the vertical upward direction of the sliding direction, the time gain compensation variation is increased by a second specific value, and when the sliding distance is a first specific value in the vertical downward direction of the sliding direction, the time gain compensation variation is decreased by a second specific value. Therefore, the time gain compensation variation corresponding to the current sliding direction and the current sliding distance of the sliding operation of the user can be determined.
then, in step S130, the time gain compensation of the image area corresponding to the touch start point position is adjusted according to the time gain compensation variation obtained in step S120. And touching the image area corresponding to the starting point position, namely, clicking the position which is selected by the user and needs to adjust the time gain compensation by the user. Thus, by this method 100, a user can accurately locate a location where time gain compensation adjustments are needed.
in a further specific embodiment, the method 100 may further display a value of the time gain compensation variation corresponding to the current sliding direction and the current sliding distance in a specific area on the touch screen, or display an adjusted value of the time gain compensation corresponding to the current sliding direction and the current sliding distance, so as to facilitate a user to clearly and intuitively know the adjustment condition. The method 100 may obtain in step S110 an initial time gain compensation of the image area corresponding to the touch start point in advance based on the touch start point of the touch operation, where the initial time gain compensation may be a default setting or a historical adjustment value recorded after previous adjustment of the device. Therefore, the adjusted time gain compensation value of the image area corresponding to the touch starting point position is equal to the sum of the initial time gain compensation and the time gain compensation variation.
fig. 3 to 5 are schematic diagrams illustrating interface effects of adjusting time gain compensation based on a touch screen according to different embodiments of the present invention. In fig. 3, when the user clicks a certain position 12 in the ultrasound image display area 11 and performs a horizontal sliding operation, the time gain compensation of the image area where the position 12 is located can be correspondingly adjusted. Sliding to the left, the time gain compensation is gradually reduced, and sliding to the right, the time gain compensation is gradually increased. And, the value of the time gain compensation variation corresponding to the current sliding direction and the current sliding distance can be displayed in real time along the current sliding track (as shown by the dotted arrow 13 in the figure) of the sliding operation. The adjustment interface shown in fig. 4 is substantially the same as that shown in fig. 3, except that the value of the time gain compensation variation is not displayed in real time along the current sliding trajectory of the sliding operation (as indicated by the dashed arrow 13 in the figure), but the value of the time gain compensation after the adjustment is actually displayed. As previously described, the adjusted time gain compensation is equal to the sum of the initial time gain compensation and the time gain compensation variation. Fig. 5 shows another adjustment interface, wherein when the user clicks a certain position 12 in the ultrasound image display area 11 and performs a horizontal sliding operation (as indicated by a dashed arrow 13), the time gain compensation of the image area where the position 12 is located can be correspondingly adjusted; meanwhile, an independent display area 14 is arranged at the upper right corner of the touch screen to display the value of the time gain compensation variation corresponding to the current sliding direction and the current sliding distance or the adjusted value of the time gain compensation in real time. According to the invention, through the numerical value display mode, a user can know the specific condition of adjustment more clearly and intuitively.
Based on the method for adjusting time gain compensation based on the touch screen, the invention also provides a device for adjusting time gain compensation based on the touch screen, which is used for executing the steps of the method for adjusting time gain compensation based on the touch screen. FIG. 6 is a logical block diagram of an apparatus 200 for adjusting time gain compensation based on a touch screen according to an embodiment of the present invention. As shown in fig. 6, the apparatus 200 includes an acquisition module 210, a calculation module 220, an adjustment module 230, and a display module 240. The obtaining module 210 is configured to obtain a touch start point position, a current sliding direction, and a current sliding distance of a touch operation of a user in an ultrasound image display area of a touch screen. The calculating module 220 is configured to determine a time gain compensation variation corresponding to the current sliding direction and the current sliding distance according to a corresponding relationship between the preset sliding direction, the preset sliding distance, and the preset time gain compensation variation. The adjusting module 230 is configured to adjust the time gain compensation of the image area corresponding to the touch starting point according to the time gain compensation variation. The display module 240 is configured to display the value of the time gain compensation variation corresponding to the current sliding direction and the current sliding distance in a specific area, or display the adjusted value of the time gain compensation corresponding to the current sliding direction and the current sliding distance in the specific area. In an embodiment, the obtaining module 210 may obtain an initial time gain compensation of the image area corresponding to the touch start point based on the touch start point of the touch operation, and then the adjusted time gain compensation corresponding to the current sliding operation is equal to a sum of the initial time gain compensation and a time gain compensation variation. For the specific operations of the obtaining module 210, the calculating module 220, the adjusting module 230 and the displaying module 240, reference may be made to the foregoing description of the steps of the method 100 for adjusting the time gain compensation based on the touch screen.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (8)
1. A method for adjusting time gain compensation based on a touch screen is characterized by comprising the following steps:
S1, acquiring a touch start point position, a current sliding direction and a current sliding distance of touch operation of a user in an ultrasonic image display area of the touch screen;
s2, determining time gain compensation variable quantities corresponding to the current sliding direction and the current sliding distance according to the corresponding relations among the preset sliding direction, the preset sliding distance and the preset time gain compensation variable quantity;
S3, adjusting the time gain compensation of the image area corresponding to the touch starting point position according to the time gain compensation variation;
the method further comprises the following steps: and displaying the numerical value of the time gain compensation variable quantity corresponding to the current sliding direction and the current sliding distance in a specific area on the touch screen, or displaying the numerical value of the adjusted time gain compensation corresponding to the current sliding direction and the current sliding distance.
2. the method according to claim 1, wherein the step S1 further comprises: and acquiring initial time gain compensation of an image area corresponding to the touch starting point position based on the touch starting point position of the touch operation.
3. the method of claim 2, wherein the adjusted time gain compensation is equal to a sum of an initial time gain compensation and a time gain compensation delta.
4. The method of claim 1, wherein the sliding direction comprises a lateral slide or a vertical slide.
5. An apparatus for adjusting time gain compensation based on a touch screen, comprising:
The acquisition module is used for acquiring a touch starting point position, a current sliding direction and a current sliding distance of touch operation of a user in an ultrasonic image display area of the touch screen;
the calculation module is used for determining the time gain compensation variation corresponding to the current sliding direction and the current sliding distance according to the corresponding relation among the preset sliding direction, the preset sliding distance and the preset time gain compensation variation;
The adjusting module is used for adjusting the time gain compensation of the image area corresponding to the touch starting point position according to the time gain compensation variation;
The device further comprises:
And the display module is used for displaying the numerical value of the time gain compensation variation corresponding to the current sliding direction and the current sliding distance in a specific area on the touch screen, or displaying the adjusted time gain compensation numerical value corresponding to the current sliding direction and the current sliding distance.
6. The apparatus of claim 5, wherein the obtaining module is further configured to obtain an initial time gain compensation of an image area corresponding to a touch start point of the touch operation based on the touch start point.
7. The apparatus of claim 6, wherein the adjusted time gain compensation is equal to a sum of an initial time gain compensation and a time gain compensation delta.
8. the device of claim 5, wherein the sliding direction comprises a lateral sliding or a vertical sliding.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610770798.7A CN106371663B (en) | 2016-08-30 | 2016-08-30 | Method and device for adjusting time gain compensation based on touch screen |
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| CN201610770798.7A CN106371663B (en) | 2016-08-30 | 2016-08-30 | Method and device for adjusting time gain compensation based on touch screen |
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| CN106371663B true CN106371663B (en) | 2019-12-06 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109512457B (en) * | 2018-10-15 | 2021-06-29 | 东软医疗系统股份有限公司 | Method, device and equipment for adjusting gain compensation of ultrasonic image and storage medium |
| CN110389801B (en) * | 2019-06-05 | 2022-08-30 | 北京梧桐车联科技有限责任公司 | Information processing method and device, vehicle-mounted equipment and storage medium |
| CN113126871A (en) * | 2019-12-30 | 2021-07-16 | 无锡祥生医疗科技股份有限公司 | Gain adjustment method, system and storage medium |
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| JP4101791B2 (en) * | 2004-09-17 | 2008-06-18 | シャープ株式会社 | Coordinate value input system, coordinate value input method, coordinate value input program, computer-readable recording medium |
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| CN101040245A (en) * | 2004-10-12 | 2007-09-19 | 皇家飞利浦电子股份有限公司 | Ultrasound touchscreen user interface and display |
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Effective date of registration: 20230717 Address after: 518057 unit 515, floor 5, fufuding building, No. 19, Gaoxin North 2nd Road, songpingshan community, Xili street, Nanshan District, Shenzhen, Guangdong Province Patentee after: Shenzhen Huarui Medical Technology Co.,Ltd. Address before: 518108 South side of 5th floor, Building C, Yunsheng Industrial Park, Tangtou Industrial Zone, Shiyan Street, Bao'an District, Shenzhen City, Guangdong Province Patentee before: SHENZHEN GREAT TECHNOLOGY CO.,LTD. |