CN109451241A - The focus Automatic adjustment method and device of ultrasound image - Google Patents
The focus Automatic adjustment method and device of ultrasound image Download PDFInfo
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- CN109451241A CN109451241A CN201811505483.5A CN201811505483A CN109451241A CN 109451241 A CN109451241 A CN 109451241A CN 201811505483 A CN201811505483 A CN 201811505483A CN 109451241 A CN109451241 A CN 109451241A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/60—Control of cameras or camera modules
- H04N23/67—Focus control based on electronic image sensor signals
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Abstract
The present invention relates to ultrasonic diagnostic equipment technical fields, specifically disclose a kind of focus Automatic adjustment method of ultrasound image, wherein, comprising: initial scale parameter is set according to image parameter, wherein image parameter includes picture depth, focal position depth and focus quantity；According to initial scale parameter calculate all picture depths corresponding to focal position depth, and form picture depth mapping table corresponding with focal position depth；In picture depth variation, the corresponding focal position depth of present image depth is obtained according to mapping table.The invention also discloses a kind of focus self-checking devices of ultrasound image, are used for medical diagnosis, such as breast cancer etc..The focus Automatic adjustment method of ultrasound image provided by the invention solves the problems, such as that ultrasound image focus in the prior art cannot follow change in depth, meets customer demand, and be simply easily achieved.
Description
Technical field
The present invention relates to ultrasonic diagnostic equipment technical field more particularly to a kind of focus Automatic adjustment methods of ultrasound image
And the focus self-checking device of ultrasound image.
Background technique
Currently, when using ultrasonic diagnostic equipment, it is often necessary to picture depth is adjusted, and when adjusting depth, such as increase
Plus depth is the tissue in order to observe opposite far field, focus is needed to be at opposite far field at this time, and reduces depth, then be for
The tissue for observing opposite near field, then needs focus to be at relative proximity field, but existing ultrasonic diagnostic equipment is in depth at this time
Focal position is constant when degree is adjusted, it is thus impossible to meet the use demand that focus follows change in depth.
Summary of the invention
The present invention is directed at least solve one of the technical problems existing in the prior art, a kind of focus of ultrasound image is provided
The focus self-checking device of Automatic adjustment method and ultrasound image, to solve the problems of the prior art.
As the first aspect of the invention, a kind of focus Automatic adjustment method of ultrasound image is provided, wherein described super
The focus Automatic adjustment method of acoustic image includes:
Initial scale parameter is set according to image parameter, wherein described image parameter includes picture depth, focal position depth
With focus quantity；
According to initial scale parameter calculate all picture depths corresponding to focal position depth, and form described image depth
Mapping table corresponding with the focal position depth；
In described image change in depth, it is deep that the corresponding focal position of present image depth is obtained according to the mapping table
Degree.
Preferably, the scale parameter=focal position depth/picture depth.
Preferably, the focus Automatic adjustment method of the ultrasound image further includes the scale parameter meter initial in the basis
Focal position depth corresponding to all picture depths is calculated, and it is corresponding with the focal position depth to form described image depth
It is carried out after the step of mapping table:
In the focal position change in depth and constant described image depth, according to new focal position depth and present image
The new scale parameter of depth calculation；
Calculate the corresponding new focal position depth of all picture depths according to new scale parameter, and by described image depth with
The new corresponding mapping relations of focal position depth are updated to the mapping table.
Preferably, the focus quantity includes one or more, when the focus quantity is one, the focal position
Depth is the depth of a focus, and when the focus quantity is multiple, the focal position depth is the depth of multiple focuses
Average value.
Preferably, the focus Automatic adjustment method of the ultrasound image further includes the scale parameter meter initial in the basis
Focal position depth corresponding to all picture depths is calculated, and it is corresponding with the focal position depth to form described image depth
It is carried out after the step of mapping table:
When the focus quantity changes and the focal position depth and described image depth do not change, according to new focus
Quantity recalculates new focal position depth, and the ratio new according to new focal position depth and present image depth calculation
Parameter；
Calculate the corresponding new focal position depth of all picture depths according to new scale parameter, and by described image depth with
The new corresponding mapping relations of focal position depth are updated to the mapping table.
As the second aspect of the invention, a kind of focus self-checking device of ultrasound image is provided, wherein described super
The focus self-checking device of acoustic image includes:
Initial setting module, the initial setting module is for setting initial scale parameter according to image parameter, wherein described
Image parameter includes picture depth, focal position depth and focus quantity；
Mapping table forms module, and the mapping table forms module and is used to calculate all figures according to initial scale parameter
The focal position depth as corresponding to depth, and form described image depth mapping relations corresponding with the focal position depth
Table；
Focal adjustments module, the focal adjustments module is used in described image change in depth, according to the mapping table
Obtain the corresponding focal position depth of present image depth.
Preferably, the scale parameter=focal position depth/picture depth.
Preferably, the focus self-checking device of the ultrasound image further include:
First scale parameter redefines module, and first scale parameter redefines module for deep in the focal position
When degree variation and constant described image depth, joined according to the new ratio of new focal position depth and present image depth calculation
Number；
First mapping table update module, first mapping table update mould and are used to calculate institute according to new scale parameter
There is a corresponding new focal position depth of picture depth, and by the mapping corresponding with new focal position depth of described image depth
Relationship is updated to the mapping table.
Preferably, the focus quantity includes one or more, when the focus quantity is one, the focal position
Depth is the depth of a focus, and when the focus quantity is multiple, the focal position depth is the depth of multiple focuses
Average value.
Preferably, the focus self-checking device of the ultrasound image further include:
Second scale parameter redefines module, and second scale parameter redefines module for becoming in the focus quantity
Change and when the focal position depth and described image depth do not change, new focus is recalculated according to new focus quantity
Depth, and the scale parameter new according to new focal position depth and present image depth calculation；
Second mapping table update module, the second mapping table update module are used to be calculated according to new scale parameter
The corresponding new focal position depth of all picture depths, and reflect described image depth is corresponding with new focal position depth
The relationship of penetrating is updated to the mapping table.
The focus Automatic adjustment method of ultrasound image provided by the invention, joins by setting ratio parameter, and according to ratio
Number obtains the mapping relations of all picture depths and focal position depth, when picture depth variation, is according to the mapping relations
Focal position depth can be achieved with the automatic adjustment of picture depth, solving ultrasound image focus in the prior art cannot follow
The problem of change in depth, therefore the focus Automatic adjustment method of ultrasound image provided by the invention meets customer demand, and letter
Singly it is easily achieved.
Detailed description of the invention
The drawings are intended to provide a further understanding of the invention, and constitutes part of specification, with following tool
Body embodiment is used to explain the present invention together, but is not construed as limiting the invention.In the accompanying drawings:
Fig. 1 is the flow chart of the focus Automatic adjustment method of ultrasound image provided by the invention.
Fig. 2 is the specific embodiment flow chart of the focus Automatic adjustment method of ultrasound image provided by the invention.
Fig. 3 is the structural block diagram of the focus self-checking device of ultrasound image provided by the invention.
Fig. 4 is the specific embodiment structural block diagram of the focus self-checking device of ultrasound image provided by the invention.
Specific embodiment
Below in conjunction with attached drawing, detailed description of the preferred embodiments.It should be understood that this place is retouched
The specific embodiment stated is merely to illustrate and explain the present invention, and is not intended to restrict the invention.
As the first aspect of the invention, a kind of focus Automatic adjustment method of ultrasound image is provided, wherein such as Fig. 1
Shown, the focus Automatic adjustment method of the ultrasound image includes:
S110, initial scale parameter is set according to image parameter, wherein described image parameter includes picture depth, focal position
Depth and focus quantity；
S120, according to initial scale parameter calculate all picture depths corresponding to focal position depth, and form the figure
As depth mapping table corresponding with the focal position depth；
S130, in described image change in depth, the corresponding focus position of present image depth is obtained according to the mapping table
Set depth.
The focus Automatic adjustment method of ultrasound image provided by the invention, joins by setting ratio parameter, and according to ratio
Number obtains the mapping relations of all picture depths and focal position depth, when picture depth variation, is according to the mapping relations
Focal position depth can be achieved with the automatic adjustment of picture depth, solving ultrasound image focus in the prior art cannot follow
The problem of change in depth, therefore the focus Automatic adjustment method of ultrasound image provided by the invention meets customer demand, and letter
Singly it is easily achieved.
Specifically, the scale parameter=focal position depth/picture depth.
It is understood that the scale parameter remains unchanged, thus can be joined according to the ratio in picture depth variation
Number calculates all picture depths focal position depth corresponding under the scale parameter.
For example, in the initial state, preset picture depth is 9.8cm, focal position depth is 3cm, then scale parameter R
=3/9.8, the corresponding focal position depth of all picture depths, such as all picture depth packets are calculated according to scale parameter R
9.8cm, 11.5cm, 13.2cm and 14.9cm are included, then the corresponding focal position depth of 11.5cm is 11.5cm*3/9.8, in terms of this
Calculate the corresponding focal position depth of all picture depths.
It should be noted that the gear of focal position depth is usually integer gear, such as 1,2,3,4 ..., alternatively, 1,
3,5,7 ..., so when calculated focal position depth has decimal needing that this is had decimal according to nearby principle
Focal position depth incorporates immediate integer gear into, for example, it is 3.52 that the corresponding focal position depth gauge of 11.5cm, which calculates,
If the gear of focal position depth is 1,2,3,4 ... at this time, it is 4 that 3.52 this focal position depth, which are incorporated into, if at this time
The gear of focal position depth is 1,3,5,7 ..., then incorporating 3.52 this focal position depth into is 3.
Specifically, the focus Automatic adjustment method of the ultrasound image further includes the scale parameter meter initial in the basis
Focal position depth corresponding to all picture depths is calculated, and it is corresponding with the focal position depth to form described image depth
It is carried out after the step of mapping table:
In the focal position change in depth and constant described image depth, according to new focal position depth and present image
The new scale parameter of depth calculation；
Calculate the corresponding new focal position depth of all picture depths according to new scale parameter, and by described image depth with
The new corresponding mapping relations of focal position depth are updated to the mapping table.
It should be understood that it is constant in described image depth, and when the change in depth of focal position, scale parameter will become
Change, it is therefore desirable to recalculate scale parameter, i.e., ratio new according to new focal position depth and present image depth calculation
Parameter reacquires the mapping relations of picture depth and new focal position depth according to new scale parameter, i.e., described in update
Mapping table obtains corresponding focal position depth by updated mapping table in picture depth variation.
Specifically, the focus quantity includes one or more, when the focus quantity is one, the focal position
Depth is the depth of a focus, and when the focus quantity is multiple, the focal position depth is the depth of multiple focuses
Average value.
It should be understood that the different focal point depth of focus quantity is then different.
Specifically, the focus Automatic adjustment method of the ultrasound image further includes the scale parameter meter initial in the basis
Focal position depth corresponding to all picture depths is calculated, and it is corresponding with the focal position depth to form described image depth
It is carried out after the step of mapping table:
When the focus quantity changes and the focal position depth and described image depth do not change, according to new focus
Quantity recalculates new focal position depth, and the ratio new according to new focal position depth and present image depth calculation
Parameter；
Calculate the corresponding new focal position depth of all picture depths according to new scale parameter, and by described image depth with
The new corresponding mapping relations of focal position depth are updated to the mapping table.
It is understood that picture depth is constant, the constant only focus quantity variation of focal position depth when, due to coke
Points amount changes the change that will affect current focus depth, therefore scale parameter can change, and needs to recalculate new
Scale parameter, closed according to the mapping that new scale parameter reacquires the corresponding new focal position depth of present image depth
System, that is, update the mapping table.When picture depth changes, obtained according to updated mapping table corresponding
Focal position depth.
It is described in detail below with reference to focus Automatic adjustment method of the Fig. 2 to ultrasound image provided by the invention.First
When beginning state, initial scale parameter is set, it is corresponding with focal position depth to obtain picture depth according to initial scale parameter
Mapping table it is corresponding that present image depth can be obtained according to the mapping table when picture depth changes
Focal position depth, when and focal position depth constant in picture depth changes, update mapping table so that image
The corresponding focal position depth of present image depth is obtained according to updated mapping table when change in depth, in picture depth
When the constant only focus quantity variation of constant, focal position depth, update mapping table so that when picture depth changes according to
Updated mapping table obtains the corresponding focal position depth of present image depth.
As the second aspect of the invention, a kind of focus self-checking device of ultrasound image is provided, wherein such as Fig. 3
Shown, the focus self-checking device 100 of the ultrasound image includes:
Initial setting module 110, the initial setting module 110 are used to set initial scale parameter according to image parameter,
Described in image parameter include picture depth, focal position depth and focus quantity；
Mapping table forms module 120, and the mapping table forms module 120 and is used to be calculated according to initial scale parameter
Focal position depth corresponding to all picture depths, and form that described image depth is corresponding with the focal position depth to reflect
Penetrate relation table；
Focal adjustments module 130, the focal adjustments module 130 is used in described image change in depth, according to the mapping
Relation table obtains the corresponding focal position depth of present image depth.
The focus self-checking device of ultrasound image provided by the invention, joins by setting ratio parameter, and according to ratio
Number obtains the mapping relations of all picture depths and focal position depth, when picture depth variation, is according to the mapping relations
Focal position depth can be achieved with the automatic adjustment of picture depth, solving ultrasound image focus in the prior art cannot follow
The problem of change in depth, therefore the focus self-checking device of ultrasound image provided by the invention meets customer demand, and letter
Singly it is easily achieved.
Specifically, the scale parameter=focal position depth/picture depth.
Specifically, as shown in figure 4, the focus self-checking device 100 of the ultrasound image further include:
First scale parameter redefines module 140, and first scale parameter redefines module 140 in the focus
When depth variation and constant described image depth, according to the new ratio of new focal position depth and present image depth calculation
Example parameter；
First mapping table update module 150, first mapping table update mould 150 and are used for according to new scale parameter
The corresponding new focal position depth of all picture depths is calculated, and described image depth is corresponding with new focal position depth
Mapping relations be updated to the mapping table.
Specifically, the focus quantity includes one or more, when the focus quantity is one, the focal position
Depth is the depth of a focus, and when the focus quantity is multiple, the focal position depth is the depth of multiple focuses
Average value.
Further specifically, the focus self-checking device 100 of the ultrasound image further include:
Second scale parameter redefines module 160, and second scale parameter redefines module 160 in the focus
When quantity changes and the focal position depth and described image depth do not change, recalculated newly according to new focus quantity
Focal position depth, and the scale parameter new according to new focal position depth and present image depth calculation；
Second mapping table update module 170, the second mapping table update module 170 are used to be joined according to new ratio
Number calculates the corresponding new focal position depth of all picture depths, and by described image depth and new focal position depth pair
The mapping relations answered are updated to the mapping table.
The working principle of focus self-checking device about ultrasound image provided by the invention is referred to above super
The description of the focus Automatic adjustment method of acoustic image, details are not described herein again.
It is understood that the principle that embodiment of above is intended to be merely illustrative of the present and the exemplary implementation that uses
Mode, however the present invention is not limited thereto.For those skilled in the art, essence of the invention is not being departed from
In the case where mind and essence, various changes and modifications can be made therein, these variations and modifications are also considered as protection scope of the present invention.
Claims (10)
1. a kind of focus Automatic adjustment method of ultrasound image, which is characterized in that the focus automatic adjustment side of the ultrasound image
Method includes:
Initial scale parameter is set according to image parameter, wherein described image parameter includes picture depth, focal position depth
With focus quantity；
According to initial scale parameter calculate all picture depths corresponding to focal position depth, and form described image depth
Mapping table corresponding with the focal position depth；
In described image change in depth, it is deep that the corresponding focal position of present image depth is obtained according to the mapping table
Degree.
2. the focus Automatic adjustment method of ultrasound image according to claim 1, which is characterized in that the scale parameter=
Focal position depth/picture depth.
3. the focus Automatic adjustment method of ultrasound image according to claim 2, which is characterized in that the ultrasound image
Focus Automatic adjustment method further include it is described according to initial scale parameter calculate all picture depths corresponding to focus position
Depth is set, and carried out after the step of forming described image depth corresponding with focal position depth mapping table:
In the focal position change in depth and constant described image depth, according to new focal position depth and present image
The new scale parameter of depth calculation；
Calculate the corresponding new focal position depth of all picture depths according to new scale parameter, and by described image depth with
The new corresponding mapping relations of focal position depth are updated to the mapping table.
4. the focus Automatic adjustment method of ultrasound image according to claim 2, which is characterized in that the focus quantity packet
One or more is included, when the focus quantity is one, the focal position depth is the depth of a focus, when the coke
When point quantity is multiple, the focal position depth is the average value of the depth of multiple focuses.
5. the focus Automatic adjustment method of ultrasound image according to claim 4, which is characterized in that the ultrasound image
Focus Automatic adjustment method further include it is described according to initial scale parameter calculate all picture depths corresponding to focus position
Depth is set, and carried out after the step of forming described image depth corresponding with focal position depth mapping table:
When the focus quantity changes and the focal position depth and described image depth do not change, according to new focus
Quantity recalculates new focal position depth, and the ratio new according to new focal position depth and present image depth calculation
Parameter；
Calculate the corresponding new focal position depth of all picture depths according to new scale parameter, and by described image depth with
The new corresponding mapping relations of focal position depth are updated to the mapping table.
6. a kind of focus self-checking device of ultrasound image, which is characterized in that the focus of the ultrasound image automatically adjusts dress
It sets and includes:
Initial setting module, the initial setting module is for setting initial scale parameter according to image parameter, wherein described
Image parameter includes picture depth, focal position depth and focus quantity；
Mapping table forms module, and the mapping table forms module and is used to calculate all figures according to initial scale parameter
The focal position depth as corresponding to depth, and form described image depth mapping relations corresponding with the focal position depth
Table；
Focal adjustments module, the focal adjustments module is used in described image change in depth, according to the mapping table
Obtain the corresponding focal position depth of present image depth.
7. the focus self-checking device of ultrasound image according to claim 6, which is characterized in that the scale parameter=
Focal position depth/picture depth.
8. the focus self-checking device of ultrasound image according to claim 7, which is characterized in that the ultrasound image
Focus self-checking device further include:
First scale parameter redefines module, and first scale parameter redefines module for deep in the focal position
When degree variation and constant described image depth, joined according to the new ratio of new focal position depth and present image depth calculation
Number；
First mapping table update module, first mapping table update mould and are used to calculate institute according to new scale parameter
There is a corresponding new focal position depth of picture depth, and by the mapping corresponding with new focal position depth of described image depth
Relationship is updated to the mapping table.
9. the focus self-checking device of ultrasound image according to claim 7, which is characterized in that the focus quantity packet
One or more is included, when the focus quantity is one, the focal position depth is the depth of a focus, when the coke
When point quantity is multiple, the focal position depth is the average value of the depth of multiple focuses.
10. the focus self-checking device of ultrasound image according to claim 9, which is characterized in that the ultrasound image
Focus self-checking device further include:
Second scale parameter redefines module, and second scale parameter redefines module for becoming in the focus quantity
Change and when the focal position depth and described image depth do not change, new focus is recalculated according to new focus quantity
Depth, and the scale parameter new according to new focal position depth and present image depth calculation；
Second mapping table update module, the second mapping table update module are used to be calculated according to new scale parameter
The corresponding new focal position depth of all picture depths, and reflect described image depth is corresponding with new focal position depth
The relationship of penetrating is updated to the mapping table.
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| CN201811505483.5A CN109451241B (en) | 2018-12-10 | 2018-12-10 | Automatic focus adjusting method and device for ultrasonic image |
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| CN103142247A (en) * | 2013-03-15 | 2013-06-12 | 飞依诺科技(苏州)有限公司 | Control method and system for focus position and image depth in ultrasonic diagnostic equipment |
| CN103546692A (en) * | 2013-11-04 | 2014-01-29 | 苏州科达科技股份有限公司 | Method and system achieving integrated camera automatic focusing |
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