CN103278186B - Detecting image is to judge the method for scanning mode and Non-scanning mode state - Google Patents
Detecting image is to judge the method for scanning mode and Non-scanning mode state Download PDFInfo
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- CN103278186B CN103278186B CN201310151496.8A CN201310151496A CN103278186B CN 103278186 B CN103278186 B CN 103278186B CN 201310151496 A CN201310151496 A CN 201310151496A CN 103278186 B CN103278186 B CN 103278186B
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Abstract
The present invention be a kind of detecting image to judge the method for scanning mode and Non-scanning mode state, comprise the following steps: to scan an image with ultrasound scanner head, obtain corresponding scan-image, and scan-image is divided into strong reflection district and weak echo area.When the scan-image signal intensity in weak echo area is greater than preset value, judge to be in scanning mode, when the scan-image signal intensity in weak echo area is less than preset value, then enter freezing mode, and scan-image is rested on the image before entering freezing mode.Employing the present invention to judge the method for scanning mode and Non-scanning mode state, can make ultrasound scanner head when Non-scanning mode state, automatically can enter freezing mode by detecting image, effectively saves the serviceable life of electric energy and prolongation ultrasound scanner head.
Description
Technical field
The invention relates to a kind of method of detecting image, and relate to a kind of ultrasound video of detecting especially to judge the method for scanning mode and Non-scanning mode state.
Background technology
In the middle of non-damaged data, normal application ultrasonic wave launches ultrasonic, and receives the echoed signal of this ultrasonic of reflection generation, to detect.Have accurate ultrasonic array element in ultrasound scanner head, in order to detect the intensity of sweep signal, but the performance of ultrasonic array element can increase and loss gradually because of behaviour in service, time, thus must adjust the requirement that parameter detects to meet ultrasonic.But, ultrasound scanner head do not use or idle time, ultrasonic wave cannot close or stop to launch ultrasonic automatically, so that the serious serviceable life consuming probe.Therefore, concerning user, when ultrasound scanner head does not scan, be necessary to set freezing mode, to save the serviceable life of electric energy and prolongation ultrasound scanner head.
Summary of the invention
The invention relates to that a kind of detecting image is to judge the method for scanning mode and Non-scanning mode state, to learn the current state of ultrasound scanner head.
An object of the present invention, proposes a kind of detecting image to judge the method for scanning mode and Non-scanning mode state, comprises the following steps: to scan an image with ultrasound scanner head; Obtain corresponding scan-image, and this scan-image is divided into strong reflection district and weak echo area; When the scan-image signal intensity in this weak echo area is greater than preset value, judge to be in scanning mode; When the scan-image signal intensity in this weak echo area is less than this preset value, then enter freezing mode, and this scan-image is rested on the image before entering freezing mode.
As optional technical scheme, the step of this this image of scanning also comprises: obtain reference images with this ultrasound scanner head; According to the relation of the signal intensity profile of sweep traces all in this reference images, obtain each the first signal intensity mean value on different depth; Each this first signal intensity mean value is added up, to obtain the signal intensity critical value this reference images being divided into this strong reflection district and this weak echo area; And judge whether this ultrasound scanner head is in scanning mode with this signal intensity critical value.
As optional technical scheme, the step whether this ultrasound scanner head of this judgement is in scanning mode comprises: calculate each in this weak echo area of this scan-image that this ultrasound scanner head obtains this secondary signal average strength on different depth, when the quantity being greater than this signal intensity critical value in this secondary signal average strengths all exceedes predetermined ratio in the accounting of the total quantity of this secondary signal average strengths all, under judging that this ultrasound scanner head is in scanning mode; And when the quantity being less than or equal to this signal intensity critical value in this secondary signal average strengths all exceedes this predetermined ratio in the accounting of the total quantity of this secondary signal average strengths all, under judging that this ultrasound scanner head is in Non-scanning mode state.
As optional technical scheme, the differentiation of this strong reflection district and this weak echo area, for using the degree of depth of first peak point occurred lower than this signal intensity critical value as border.
As optional technical scheme, the step calculating each this secondary signal average strength on different depth comprises: the difference calculating each this first signal intensity mean value of each this secondary signal average strength of each scan-image and this reference images; This difference is multiplied by the weighted value of the corresponding degree of depth, to obtain weighted signal strength average difference values; And when the quantity that these weighted signal strength average difference values all of each degree of depth being arranged in this weak echo area are greater than this preset value exceedes this predetermined ratio in the accounting of the total quantity of this weighted signal strength average difference values all, then judge that this ultrasound scanner head is in scanning mode.
As optional technical scheme, this preset value is 1.5 ~ 2 times of this signal intensity critical value.
As optional technical scheme, when judgement is in Non-scanning mode state, and when Non-scanning mode state is continued above the schedule time, then freeze image, and this ultrasound scanner head stops launching ultrasonic again.
As optional technical scheme, judge that the method for the signal intensity of this scan-image in this weak echo area is, detect with the edge total amount of the mode of edge detection to this scan-image of this weak echo area.
As optional technical scheme, also comprise and cancel this freezing mode, restart to scan this image.
As optional technical scheme, also comprise this ultrasound scanner head and periodically cancel this freezing mode, and carry out detecting image of the present invention to judge each step of the method for scanning mode and Non-scanning mode state is to determine whether again enter this freezing mode.
Compared with prior art, the present invention judges the method for scanning mode and Non-scanning mode state, by detecting image, to judge that ultrasound scanner head is in scanning mode or Non-scanning mode state.When ultrasound scanner head is under Non-scanning mode state, ultrasonic wave is made automatically to enter freezing mode, now, ultrasound scanner head stops continuing to launch ultrasonic, therefore, it is possible to effectively save electric power, also reduce the loss of ultrasound scanner head simultaneously, extend its serviceable life.
Accompanying drawing explanation
Fig. 1 illustrates the reference images the schematic diagram be shown on user's interface that obtain with ultrasound scanner head;
Fig. 2 illustrates the signal intensity profile relation according to sampled signal each in reference images, to determine the schematic diagram of signal intensity critical value;
Reference images is divided into the schematic diagram of strong reflection district and weak echo area after illustrating and determining signal intensity critical value by Fig. 3;
Fig. 4 illustrates and judges whether ultrasound scanner head is in the process flow diagram of each step of scanning mode;
Fig. 5 illustrates the schematic diagram of the relation of the signal intensity mean value of the corresponding reference images of each degree of depth and the signal intensity mean value of scan-image.
Embodiment
For making there is further understanding to object of the present invention, structure, feature and function thereof, embodiment is hereby coordinated to be described in detail as follows.
The judgement scanning mode of the present embodiment and the method for Non-scanning mode state, for judging ultrasound scanner head whether in running order (i.e. scanning mode) or idle state (i.e. Non-scanning mode state).At present, when ultrasound scanner head in an idle state, ultrasonic wave still can repeat constantly to launch ultrasonic by probe, in such a case, not only wastes energy, and can the serious serviceable life consuming probe.So, if can, when probe does not carry out the state scanned, make ultrasonic wave automatically enter freezing mode, effectively can save electric power and reduce the loss of popping one's head in.Therefore, the present embodiment, by detecting ultrasound video, judges that ultrasound scanner head is in scanning mode or Non-scanning mode state, and in time entering freezing mode, scan-image is rested on current image, and make ultrasound scanner head also stop launching ultrasonic again.
Below be described in detail for proposing embodiment, embodiment only in order to illustrate as example, and is not used to the scope of limit the present invention for protection.
Please refer to Fig. 1 ~ Fig. 3, Fig. 1 illustrates the reference images Ig the schematic diagram be shown on user's interface that obtain with ultrasound scanner head, Fig. 2 illustrates the signal intensity profile relation according to sampled signal each in reference images Ig, to determine signal intensity critical value Tv, reference images Ig is divided into the schematic diagram of strong reflection district (strongechoarea) AH and weak echo area (weakechoarea) AL after illustrating and determining signal intensity critical value Tv by Fig. 3.
In FIG, can when ultrasonic wave is started shooting, receive the echoed signal produced after ultrasonic is launched with ultrasound scanner head, using as reference images Ig.The present embodiment obtains reference images Ig when being not limited to each start again, also can only carry out once and save as image shelves, for the use of comparison during subsequent detection.
Please refer to Fig. 2, according to the relation of the signal intensity profile of all sweep traces, the signal intensity of each sweep trace in reference images Ig is averaged, the first signal intensity mean value on each different depth can be obtained.Then, obtained each the first signal intensity mean value on different depth is added up, by wherein obtaining the signal intensity critical value Tv that reference images Ig can be divided into haply strong reflection district AH and weak echo area AL.Subsequently, then with signal intensity critical value Tv judge whether ultrasound scanner head is in scanning mode.
In one embodiment, the signal strength values that the quantity of signal strength values in all sampled signals can be selected to occupy the majority as signal intensity critical value Tv, such as: in fig. 2, signal strength values be 110 quantity maximum, then using 110 as signal intensity critical value Tv.In figure 3, after signal intensity critical value Tv determines, again using lower than signal intensity critical value Tv(such as: the degree of depth of first the peak point Peak 110) occurred as the border of strong reflection district AH and weak echo area AL, reference images Ig to be divided into strong reflection district AH and weak echo area AL.
Please refer to Fig. 4, Fig. 4 illustrates and judges whether ultrasound scanner head is in the process flow diagram of each step of scanning mode, below introduces and judges whether ultrasound scanner head is in each step of scanning mode.Step 200 scans an image with ultrasound scanner head, obtains corresponding scan-image Sg, and scan-image Sg is divided into strong reflection district AH and weak echo area AL.Step 201 is compared the scan-image Sg and reference images Ig that are positioned at weak echo area AL, and in step 202, judge whether the signal intensity of the scan-image Sg in weak echo area AL is greater than preset value.In step 203, when the signal intensity of the scan-image Sg in weak echo area AL is greater than preset value, then judge that ultrasound scanner head is in scanning mode.In step 204, when the scan-image Sg signal intensity in weak echo area AL is less than (or equaling) preset value, judge that ultrasound scanner head is in Non-scanning mode state.Be in Non-scanning mode state when ultrasound scanner head and be continued above the schedule time, then entering in the freezing mode of step 205, and scan-image Sg is rested on the image before entering freezing mode.In step 206, ultrasound scanner head stops launching ultrasonic again, to save the loss of the energy and minimizing ultrasound scanner head.
In addition, in step 207, when ultrasonic wave stops scanning, alarm signal can be sent and notify user, whether cancel freezing mode.If not, then freezing mode is remained on; If so, then cancel freezing mode, and get back in step 200, restart scan-image Sg.When ultrasound scanner head periodically cancels freezing mode, above-mentioned step 200 ~ 204 more can be carried out to determine whether again enter freezing mode.
In above-mentioned steps 202, judge the method for the scan-image Sg signal intensity in weak echo area AL, such as: be detect with the edge total amount of the mode of edge detection to weak echo area AL interscan image Sg.When the edge total amount that scan-image Sg is positioned at weak echo area AL is positioned at the edge total amount of weak echo area AL much larger than reference images Ig, then judge that ultrasound scanner head is in scanning mode; Otherwise, then judge that ultrasound scanner head is in Non-scanning mode state.
In addition, in above-mentioned steps 202, the secondary signal average strength on the scan-image Sg that also can obtain by calculating ultrasound scanner head each different depth in weak echo area AL; When the quantity being greater than signal intensity critical value Tv in all secondary signal average strengths exceedes predetermined ratio (under such as: time more than 95%), judging that ultrasound scanner head is in scanning mode in the accounting of all secondary signal average strength total quantitys; Otherwise, when the quantity being less than or equal to signal intensity critical value Tv in all secondary signal average strengths exceedes predetermined ratio (under such as: time more than 95%), judging that ultrasound scanner head is in Non-scanning mode state in the accounting of all secondary signal average strength total quantitys.
Below introduce each step of the secondary signal average strength calculated on scan-image Sg each different depth in weak echo area AL:
Step 1: the difference calculating each secondary signal average strength of each scan-image Sg and each the first signal intensity mean value of reference images Ig.
Step 2: the weighted value difference value of the signal intensity mean value on each different depth being multiplied by the corresponding degree of depth, to obtain weighted signal strength average difference values.The size of weighted value and the depth of the degree of depth proportional, such as: the darker weighted value of the degree of depth is greater than the more shallow weighted value of the degree of depth.
Step 3: when the quantity that the weighted signal strength average difference values of each degree of depth being arranged in weak echo area AL is greater than preset value exceedes predetermined ratio (such as more than 95%) in the accounting of the total quantity of described weighted signal strength average difference values, then judge that ultrasound scanner head is in scanning mode.
Please refer to Fig. 5, Fig. 5 illustrates the schematic diagram of the relation of the signal intensity mean value of the corresponding reference images Ig of each degree of depth and the signal intensity mean value of scan-image Sg.In Figure 5, the signal intensity mean value of the reference images Ig that curve 1 obtains when representing ultrasound scanner head gluing, the signal intensity mean value of the scan-image Sg that curve 2 obtains when representing the non-gluing of ultrasound scanner head, the signal intensity mean value of the scan-image Sg obtained when curve 3 represents ultrasound scanner head gluing.The present embodiment by the difference of the signal intensity mean value of the scan-image Sg between calculated curve 1 and curve 2 or between curve 1 and curve 3 and reference images Ig, then can be multiplied by the weighted value of the corresponding degree of depth, to obtain weighted signal strength average difference values.Predetermined value can be set as 1.5 times of the signal intensity mean value of reference images Ig, once exceed this predetermined value, then under judging that ultrasound scanner head is in scanning mode; Otherwise, then under judging that ultrasound scanner head is in Non-scanning mode state.
Judgement scanning mode disclosed by above-described embodiment and the method for Non-scanning mode state, for utilizing the mode of image detecting to judge ultrasound scanner head whether in running order (i.e. scanning mode) or idle state (i.e. Non-scanning mode state).If ultrasound scanner head does not use for a long time, above embodiment can freeze image, and stop launching ultrasonic, effectively to save electric power and to reduce the loss of popping one's head in.To restart scan-image, can reach through cancellation freezing mode.
Certainly; the present invention also can have other various embodiments; when not deviating from the present invention's spirit and essence thereof; those of ordinary skill in the art can make various corresponding change and distortion according to the present invention, but these change accordingly and are out of shape the protection domain that all should belong to the claim appended by the present invention.
Claims (9)
1. detecting image is to judge a method for scanning mode and Non-scanning mode state, it is characterized in that: the method comprises:
Scan an image with ultrasound scanner head, obtain corresponding scan-image, and this scan-image is divided into the strong reflection district of scan-image and the weak echo area of scan-image;
The signal intensity of this scan-image in the weak echo area of this scan-image is greater than preset value, judge that this ultrasound scanner head is in scanning mode, the signal intensity of this scan-image in the weak echo area of this scan-image is less than or equal to this preset value, then this ultrasound scanner head enters freezing mode, and this scan-image is rested on the image before entering this freezing mode;
Wherein, the step of this this image of scanning also comprises: obtain reference images with this ultrasound scanner head; According to the relation of the signal intensity profile of sweep traces all in this reference images, obtain the first signal intensity mean value on each different depth; Each this first signal intensity mean value is added up, to obtain the signal intensity critical value this reference images being divided into this strong reflection district and this weak echo area; Judge whether this ultrasound scanner head is in scanning mode with this signal intensity critical value.
2. the method for claim 1, is characterized in that: the step whether this ultrasound scanner head of this judgement is in scanning mode comprises:
Calculate the secondary signal average strength of each in the weak echo area of this scan-image of this scan-image that this ultrasound scanner head obtains on different depth; When the quantity being greater than this signal intensity critical value in this secondary signal average strengths all exceedes predetermined ratio in the accounting of the total quantity of this secondary signal average strengths all, under judging that this ultrasound scanner head is in scanning mode; And when the quantity being less than or equal to this signal intensity critical value in this secondary signal average strengths all exceedes this predetermined ratio in the accounting of the total quantity of this secondary signal average strengths all, under judging that this ultrasound scanner head is in Non-scanning mode state.
3. the method for claim 1, is characterized in that: the differentiation of the strong reflection district of this reference images and the weak echo area of this reference images, for using the degree of depth of first peak point occurred lower than this signal intensity critical value as border.
4. method as claimed in claim 2, is characterized in that: the step calculating each this secondary signal average strength on different depth comprises:
Calculate the difference of each this first signal intensity mean value of each this secondary signal average strength of each scan-image and this reference images;
This difference is multiplied by the weighted value of the corresponding degree of depth, to obtain weighted signal strength average difference values; And
When the quantity that these weighted signal strength average difference values all of each degree of depth of the weak echo area being arranged in this scan-image are greater than this preset value exceedes this predetermined ratio in the accounting of the total quantity of this weighted signal strength average difference values all, then judge that this ultrasound scanner head is in scanning mode.
5. the method for claim 1, is characterized in that: this preset value is 1.5 ~ 2 times of this signal intensity critical value.
6. the method for claim 1, is characterized in that: when judgement is in Non-scanning mode state, and when Non-scanning mode state is continued above the schedule time, then freeze image, and this ultrasound scanner head stops launching ultrasonic again.
7. the method for claim 1, is characterized in that: judge that the method for the signal intensity of this scan-image in this weak echo area is, detect with the edge total amount of the mode of edge detection to this scan-image of this weak echo area.
8. the method for claim 1, is characterized in that: also comprise and cancel this freezing mode, restart to scan this image.
9. method as claimed in claim 8, is characterized in that: also comprise this ultrasound scanner head and periodically cancel this freezing mode, and carries out each step as claimed in claim 1 to determine whether again enter this freezing mode.
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| CN1767790A (en) * | 2003-04-08 | 2006-05-03 | 株式会社日立医药 | Ultrasonic diagnostic device |
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| CN102599936A (en) * | 2012-03-26 | 2012-07-25 | 深圳市开立科技有限公司 | Ultrasound image processing method and device |
| CN202548100U (en) * | 2011-12-23 | 2012-11-21 | 北京汇影互联科技有限公司 | Ultrasonic detector |
| CN102834061A (en) * | 2010-12-24 | 2012-12-19 | 松下电器产业株式会社 | Ultrasound diagnostic apparatus and ultrasound diagnostic apparatus control method |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| JP5508765B2 (en) * | 2009-06-03 | 2014-06-04 | 株式会社東芝 | 3D ultrasonic diagnostic equipment |
| JP5465203B2 (en) * | 2011-03-10 | 2014-04-09 | 富士フイルム株式会社 | Ultrasonic diagnostic apparatus and ultrasonic image generation method |
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1767790A (en) * | 2003-04-08 | 2006-05-03 | 株式会社日立医药 | Ultrasonic diagnostic device |
| CN101884553A (en) * | 2009-05-11 | 2010-11-17 | 株式会社东芝 | Diagnostic ultrasound equipment, Ultrasonographic device and ultrasonic image processing method |
| CN102834061A (en) * | 2010-12-24 | 2012-12-19 | 松下电器产业株式会社 | Ultrasound diagnostic apparatus and ultrasound diagnostic apparatus control method |
| CN202548100U (en) * | 2011-12-23 | 2012-11-21 | 北京汇影互联科技有限公司 | Ultrasonic detector |
| CN102599936A (en) * | 2012-03-26 | 2012-07-25 | 深圳市开立科技有限公司 | Ultrasound image processing method and device |
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