CN103278566B - The method of gluing state on detecting ultrasound scanner head - Google Patents
The method of gluing state on detecting ultrasound scanner head Download PDFInfo
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- CN103278566B CN103278566B CN201310151195.5A CN201310151195A CN103278566B CN 103278566 B CN103278566 B CN 103278566B CN 201310151195 A CN201310151195 A CN 201310151195A CN 103278566 B CN103278566 B CN 103278566B
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Abstract
The invention provides a kind of method detecting gluing state on ultrasound scanner head, comprise the following steps: that coated glue layer is on ultrasound scanner head; Scan an image, obtain corresponding scan-image, and scan-image is divided into strong reflection district and weak echo area; The signal intensity of detecting scan-image in strong reflection district, to judge gluing state.Adopt the method for gluing state on detecting ultrasound scanner head of the present invention, the phenomenon of the unintelligible or distortion of the scan-image can effectively avoiding the rubberization thickness degree of coupling that is not enough or gluing because of ultrasound scanner head not good etc. causing, thus the performance that improve that ultrasonic detects.
Description
Technical field
The invention relates to a kind of method for detecting, and relate to a kind of method detecting gluing state on ultrasound scanner head especially.
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.When ultrasonic wave is when scanning, mainly through coupling glue as probe and the couplant that detects between thing, contact caused energy loss to reduce ultrasonic with air.But, when the situations such as rubberization thickness is not enough or the degree of coupling of gluing is not good occur, the phenomenon of the unintelligible or distortion of scan-image will be caused.
Summary of the invention
The present invention has about a kind of method detecting gluing state on ultrasound scanner head, to improve the performance that ultrasonic detects.
An object of the present invention, proposes a kind of method detecting gluing state on ultrasound scanner head, comprising: coated glue layer is on ultrasound scanner head; Scan an image, obtain corresponding scan-image, and this scan-image is divided into strong reflection district and weak echo area; Detect the signal intensity of this scan-image in this strong reflection district, to judge gluing state.
As optional technical scheme, the step of this this image of scanning also comprises: with this ultrasound scanner head scanning reference images; According to the relation of the signal intensity profile of sweep traces all in this reference images, obtain each signal intensity mean value on different depth; Add up each this signal intensity mean value, determine signal intensity critical value, this signal intensity critical value is in order to distinguish this reference images for this strong reflection district and this weak echo area.
As optional technical scheme, the step detecting the signal intensity of this scan-image in this strong reflection district comprises: the position calculating the maximum intensity pixel of this scan-image in this strong reflection district on each sweep trace; And calculate the positional distance difference of the maximum intensity pixel between this scan-image and this reference images on this each sweep trace, to judge whether the difference in thickness of this gluing is greater than the first preset value.
As optional technical scheme, when the positional distance difference of the maximum intensity pixel respectively between this scan-image and this reference images on this each sweep trace is less than or equal to 0.2 millimeter, judge that the thickness of this gluing meets standard value; When the positional distance difference of the maximum pixel between this scan-image and this reference images on this each sweep trace is greater than 0.2 millimeter, also comprise the signal of the below standard accurate value of thickness of this gluing of display on user's interface.
As optional technical scheme, this ultrasound scanner head is optionally in contact type scanning state and non-contact scanning state, wherein, scans this image and this reference images is when this ultrasound scanner head is in this non-contact scanning state.
As optional technical scheme, the step detecting the signal intensity of this scan-image in this strong reflection district comprises: calculate the maximum intensity pixel value of this scan-image in this strong reflection district on each sweep trace; And calculate the strength difference of the maximum intensity pixel value between this scan-image and this reference images on this each sweep trace, to judge that whether the degree of coupling of this gluing is lower than the second preset value.
As optional technical scheme, when respectively the strength difference of this scan-image and the maximum intensity pixel value of this reference images on this each sweep trace is greater than 15%, judge that the degree of coupling of this gluing meets standard value.
As optional technical scheme, when the degree of coupling of this gluing is lower than this second predetermined value, also comprise the signal of the below standard accurate value of the degree of coupling of this gluing of display on user's interface.
As optional technical scheme, also comprise the strength difference of the distance difference according to this scan-image and this reference images between the maximum intensity pixel position in this strong reflection district on this each sweep trace and the maximum intensity pixel value on this each sweep trace, to judge the uniformity coefficient of this gluing.
As optional technical scheme, on this ultrasound scanner head, also glue unit is mended in coupling, and when the situation of gluing does not reach expection, this benefit glue unit supplements glue-line on this ultrasound scanner head.
Compared with prior art, the invention provides a kind of method detecting gluing state, the mode by image analysing computer judges the gluing state on ultrasound scanner head.Thus, effectively prevent ultrasound scanner head because rubberization thickness is not enough, the degree of coupling of gluing is not good or the gluing portion scan-image caused such as even is unintelligible or the phenomenon of distortion.In addition, by the gluing state of Auto-Sensing ultrasound scanner head, also can reduce the probability of ultrasound scanning mistake and improve the sharpness of image.
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 signals all 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 the process flow diagram of each step judging gluing state on ultrasound scanner head;
Fig. 5 illustrates the schematic diagram of the relation of the signal intensity of reference images corresponding in strong reflection district and the signal intensity 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 method of detecting gluing state of the present invention, judges the gluing state on ultrasound scanner head in the mode of image analysing computer.When the situations such as rubberization thickness is not enough or the degree of coupling of gluing is not good occur, the phenomenon of the unintelligible or distortion of scan-image will be caused.So, if the state of energy Auto-Sensing gluing, the probability of scanning mistake can be reduced and improve the sharpness of image.Therefore, the present invention is by detecting ultrasound video, judge the thickness of gluing on ultrasound scanner head, the degree of coupling and uniformity coefficient, if the below standard standard value of the thickness of gluing, the degree of coupling or uniformity coefficient, more can show the signal of the below standard accurate value of rubberization thickness, the degree of coupling or uniformity coefficient on display, or mend the reference frame of glue on ultrasound scanner head as benefit glue unit.
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 in reference images Ig, to determine signal intensity critical value Tv; Reference images Ig is divided into strong reflection district AH(strong echo area after illustrating and determining critical strength Tv by Fig. 3) schematic diagram of AH and weak echo area AL (weak echo area) AL.
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 sweep traces all in reference images Ig is averaged, each signal intensity mean value on different depth can be obtained.Then, each signal intensity mean value on obtained 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.
In one embodiment, the signal intensity 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 110) degree of depth of first peak point Peak that occurs 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 the process flow diagram of each step judging gluing state on ultrasound scanner head, below introduces each step judging gluing state on ultrasound scanner head.Step 200 be first coated glue layer on ultrasound scanner head, user can use coated glue layer on ultrasound scanner head to carry out ultrasound scanning.Before utilizing ultrasound scanner head to scan or after scanning, carry out step 201, scan an image (now ultrasound scanner head no longer carries out the scanning of human body) with ultrasound scanner head, obtain corresponding scan-image Sg, and scan-image Sg is divided into strong reflection district AH and weak echo area AL.Step 202 is compared the scan-image Sg and reference images Ig that are positioned at strong reflection district AH, to learn the position of scan-image Sg maximum intensity pixel of each sweep trace in strong reflection district AH, and in step 203, calculate the positional distance difference of the maximum intensity pixel between scan-image Sg and reference images Ig on each sweep trace, to judge whether the difference in thickness of gluing is greater than the first preset value.If be not more than the first preset value to carry out step 204 and step 206, the positional distance difference of the maximum intensity pixel in step 204 between scan-image Sg and reference images Ig on each sweep trace, such as: when being less than or equal to 0.2 millimeter, judge that the thickness of gluing meets standard value.Otherwise, in step 205, if when the difference in thickness of gluing is greater than the first predetermined value, then show the signal of the below standard accurate value of rubberization thickness on user's interface.
In addition, in step 206, the scan-image Sg and reference images Ig that are positioned at strong reflection district AH are compared, to learn the maximum intensity pixel value of scan-image Sg in strong reflection district AH on each sweep trace, and in step 207, calculate the strength difference of the maximum intensity pixel value between scan-image Sg and reference images Ig on each sweep trace, with the degree of coupling judging gluing whether lower than (or equaling) second preset value.If be greater than the second preset value to carry out step 208 and step 210, in a step 208, when the strength difference of each scan-image Sg and reference images Ig, such as: when being greater than 15%, judge that the degree of coupling of gluing meets standard value.In step 209, when the degree of coupling of gluing is less than (or equaling) second predetermined value, also comprise the signal of the below standard accurate value of the display gluing degree of coupling on user's interface.
In step 210, also can according to the distance difference between the maximum intensity pixel position of above-mentioned middle scan-image Sg and reference images Ig in strong reflection district AH on each sweep trace and the strength difference between the maximum intensity pixel value on each sweep trace, to judge the uniformity coefficient of gluing.
In addition, in step 211, when the situation detecting gluing does not reach expection, except show relevant information on user's interface except, also relevant information can be sent to and mend glue unit, as the reference frame of mending glue.Mend glue element coupling on ultrasound scanner head, and can be confirmed whether to carry out benefit glue according to the situation of gluing, if so, then mend glue unit and supplement required glue-line on ultrasound scanner head.The present embodiment does not limit the ultrasonic wave being used in and having automatic makeup glue function, also can mend glue by artificial mode.
The method of the detecting gluing state of above-mentioned introduction, can use, select for user when ultrasound scanner head is in contact type scanning state or non-contact scanning state.In order to improve the accuracy of detecting gluing status method, scanning one image of above-mentioned introduction also obtains the step of corresponding scan-image Sg or scanning reference images Ig, carries out under ultrasound scanner head is in non-contact scanning state.
Please refer to Fig. 5, Fig. 5 illustrates the graph of a relation of the signal intensity of reference images Ig corresponding in strong reflection district AH and the signal intensity of scan-image Sg.In Figure 5, curve 1 represents the signal intensity of the reference images Ig that ultrasound scanner head obtains, after curve 2 represents ultrasound scanner head gluing and the signal intensity of the scan-image Sg obtained when non-contact scanning, after curve 3 represents ultrasound scanner head gluing and the signal intensity of the scan-image Sg obtained when contact type scanning.
By the positional distance discrepancy delta X of maximum intensity pixel between calculated curve 1 and curve 2, to judge whether the difference in thickness of gluing is greater than the first preset value, such as: when Δ X is greater than 0.2 millimeter, then the below standard accurate value of the thickness of gluing can be judged in the present embodiment.In addition, also can by the strength difference Δ Y of maximum intensity pixel value between calculated curve 1 and curve 3 in the present embodiment, such as, to judge that whether the degree of coupling of gluing is lower than the second preset value: Δ Y is greater than 15%, then judges that the degree of coupling of gluing meets standard value.
The method of gluing state on detecting ultrasound scanner head disclosed by above-described embodiment, can be used to judge the thickness of gluing on ultrasound scanner head, the degree of coupling and uniformity coefficient, if the below standard standard value of the thickness of gluing, the degree of coupling or uniformity coefficient, more can show the signal of the below standard accurate value of rubberization thickness, the degree of coupling or uniformity coefficient on display, or mend the reference frame of glue on ultrasound scanner head as benefit glue unit.Therefore, the performance that ultrasonic detects can be improved.
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 (10)
1. detect a method for gluing state on ultrasound scanner head, it is characterized in that: the method comprises:
With this ultrasound scanner head scanning reference images;
Coated glue layer is on this ultrasound scanner head;
Scan an image, 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; And
Detect the signal intensity of this scan-image in the strong reflection district of this scan-image, to judge gluing state
Wherein, this signal intensity refers to, compares the difference between the maximum intensity pixel of this scan-image on each sweep trace and the maximum intensity pixel of this reference images on each sweep trace.
2. the method for claim 1, is characterized in that: the step of this this reference images of scanning also comprises:
According to the relation of the signal intensity profile of sweep traces all in this reference images, obtain the signal intensity mean value on each different depth;
Add up each this signal intensity mean value, determine signal intensity critical value, this signal intensity critical value is the strong reflection district of this reference images and the weak echo area of this reference images in order to distinguish this reference images.
3. method as claimed in claim 2, is characterized in that: the step detecting the signal intensity of this scan-image in the strong reflection district of this scan-image comprises:
Calculate the position of the maximum intensity pixel of this scan-image in the strong reflection district of this scan-image on each sweep trace; And
Calculate the positional distance difference of the maximum intensity pixel between this scan-image and this reference images on this each sweep trace, to judge whether the difference in thickness of this gluing is greater than the first preset value.
4. method as claimed in claim 3, is characterized in that: according to the positional distance difference of the maximum intensity pixel between this scan-image and this reference images on this each sweep trace, judges whether the thickness of this gluing meets standard value; When the thickness of this gluing does not meet this standard value, also comprise the signal of the below standard accurate value of thickness of this gluing of display on user's interface.
5. method as claimed in claim 2, it is characterized in that: this ultrasound scanner head is optionally in contact type scanning state and non-contact scanning state, wherein, this image is scanned and this reference images is carried out when this ultrasound scanner head is in this non-contact scanning state.
6. method as claimed in claim 2, is characterized in that: the step detecting the signal intensity of this scan-image in the strong reflection district of this scan-image comprises:
Calculate the maximum intensity pixel value of this scan-image in the strong reflection district of this scan-image on each sweep trace; And
Calculate the strength difference of the maximum intensity pixel value between this scan-image and this reference images on this each sweep trace, to judge that whether the degree of coupling of this gluing is lower than the second preset value.
7. method as claimed in claim 6, is characterized in that: the strength difference of the maximum intensity pixel value on this each sweep trace according to this scan-image and this reference images, judges whether the degree of coupling of this gluing meets standard value.
8. method as claimed in claim 7, is characterized in that: when the degree of coupling of this gluing does not meet this standard value, also comprises the signal of the below standard accurate value of the degree of coupling of this gluing of display on user's interface.
9. method as claimed in claim 2, it is characterized in that: also comprise the strength difference according to the distance difference of this scan-image in the strong reflection district of this scan-image and this reference images between the maximum intensity pixel position in the strong reflection district of this reference images on this each sweep trace and the maximum intensity pixel value on this each sweep trace, to judge the uniformity coefficient of this gluing.
10. the method for claim 1, is characterized in that: on this ultrasound scanner head, also glue unit is mended in coupling, and when the situation of gluing does not reach expection, this benefit glue unit supplements glue-line on this ultrasound scanner head.
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| CN201310151195.5A CN103278566B (en) | 2013-04-26 | 2013-04-26 | The method of gluing state on detecting ultrasound scanner head |
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| TWI471558B (en) * | 2013-04-11 | 2015-02-01 | Qisda Corp | Method of detecting the state of gel coated on ultrasound probe |
| CN108226300B (en) * | 2017-12-21 | 2021-01-05 | 苏州佳世达电通有限公司 | Ultrasonic probe and detection method of ultrasonic transmission medium |
| CN113706456A (en) * | 2021-07-14 | 2021-11-26 | 武汉逸飞激光股份有限公司 | Soft package battery cell glue spraying quality detection method and device, electronic equipment and storage medium |
| CN114494241B (en) * | 2022-02-18 | 2023-05-26 | 工游记工业科技(深圳)有限公司 | Method, device and equipment for detecting rubber path defects |
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