阅读说明：本技术 一种具有指纹识别超声探头的超声诊断方法及系统 (Ultrasonic diagnosis method and system with fingerprint identification ultrasonic probe ) 是由 吴洁 张群 于 2020-12-18 设计创作，主要内容包括：本发明公开了一种具有指纹识别超声探头的超声诊断系统,包括探头模块、超声系统模块,探头模块与超声系统模块通过线缆连接；所述探头模块包括探头和设置于探头上的指纹采集模块,超声系统模块包括指纹识别模块、探头激活模块、探头切换模块；指纹采集模块,用于采集用户的指纹信息,并通过线缆将采集到的指纹信息传输至指纹识别模块和探头激活模块；探头激活模块,用于自动激活探头；指纹识别模块,用于将接收到的指纹信息与预设指纹数据库中的所有指纹进行比对,输出预设指纹数据库中与接收到的指纹信息相匹配的用户编号,并将输出的用户编号传输至探头切换模块中；探头切换模块,用于将探头的参数切换为与输出的用户编号相对应的参数。(The invention discloses an ultrasonic diagnosis system with a fingerprint identification ultrasonic probe, which comprises a probe module and an ultrasonic system module, wherein the probe module is connected with the ultrasonic system module through a cable; the ultrasonic system module comprises a fingerprint identification module, a probe activation module and a probe switching module; the fingerprint acquisition module is used for acquiring fingerprint information of a user and transmitting the acquired fingerprint information to the fingerprint identification module and the probe activation module through a cable; the probe activation module is used for automatically activating the probe; the fingerprint identification module is used for comparing the received fingerprint information with all fingerprints in a preset fingerprint database, outputting a user number matched with the received fingerprint information in the preset fingerprint database, and transmitting the output user number to the probe switching module; and the probe switching module is used for switching the parameters of the probe into the parameters corresponding to the output user number.)

1. An ultrasonic diagnosis system with a fingerprint identification ultrasonic probe is characterized by comprising a probe module and an ultrasonic system module, wherein the probe module is connected with the ultrasonic system module through a cable; the ultrasonic system module comprises a fingerprint identification module, a probe activation module and a probe switching module;

the fingerprint acquisition module is used for acquiring fingerprint information of a user and transmitting the acquired fingerprint information to the fingerprint identification module and the probe activation module through a cable;

the probe activation module is used for receiving the fingerprint information transmitted by the fingerprint acquisition module and automatically activating the probe;

the fingerprint identification module is used for receiving the fingerprint information transmitted by the fingerprint acquisition module, comparing the received fingerprint information with all fingerprints in a preset fingerprint database, outputting a user number matched with the received fingerprint information in the preset fingerprint database, and transmitting the output user number to the probe switching module;

and the probe switching module is used for switching the parameters of the probe into the parameters corresponding to the output user number.

2. The ultrasonic diagnostic system with the ultrasonic probe for fingerprint identification according to claim 1, wherein the fingerprint identification module compares the received fingerprint information with all fingerprints in a preset fingerprint database, and outputs a user number in the preset fingerprint database, the user number matching the received fingerprint information, specifically comprising:

the processing module is used for preprocessing the fingerprint image corresponding to the received fingerprint information through the FPGA to obtain gradient values of all pixel points in the fingerprint image and coordinates of maximum value points of all subblocks in the fingerprint image, and storing the obtained data and original data in a cache DDR (double data rate);

the filtering module is used for reading the fingerprint data stored in the cache DDR through the DSP, calculating the ridge line direction and the ridge line frequency of the fingerprint image, filtering the original data by using a filter to obtain filtered data, and storing the obtained filtered data in the cache DDR;

the extraction module is used for reading the filtered data through the DSP and extracting a maximum value point in the fingerprint image through comparison logic in the FPGA;

and the output module is used for reading the fingerprints in the preset fingerprint database through the DSP, matching and identifying the maximum value in the extracted fingerprint image with the fingerprints in the preset fingerprint database, and outputting the corresponding user number in the preset fingerprint database.

3. The ultrasonic diagnostic system with the fingerprint identification ultrasonic probe of claim 1, wherein the probe switching module is further configured to switch the parameters of the probe to default parameters when there is no fingerprint information matching with the user in the fingerprint identification module.

4. The ultrasonic diagnostic system with the fingerprint recognition ultrasonic probe of claim 3, wherein the ultrasonic system module further comprises a reminding module for reminding a user to create a parameter related to the fingerprint of the user.

5. The ultrasonic diagnostic system with the fingerprint identification ultrasonic probe of claim 1, wherein the fingerprint acquisition module further comprises a chip for processing fingerprint information of an acquired user through analog-to-digital conversion.

6. An ultrasonic diagnosis method with a fingerprint identification ultrasonic probe is characterized by comprising the following steps:

s1, a fingerprint acquisition module acquires fingerprint information of a user and transmits the acquired fingerprint information to a fingerprint identification module and a probe activation module through a cable;

s2, the probe activating module receives the fingerprint information transmitted by the fingerprint acquisition module and automatically activates the probe;

s3, the fingerprint identification module receives the fingerprint information transmitted by the fingerprint acquisition module, compares the received fingerprint information with all fingerprints in a preset fingerprint database, outputs a user number matched with the received fingerprint information in the preset fingerprint database, and transmits the output user number to the probe switching module;

and S4, the probe switching module switches the parameters of the probe into the parameters corresponding to the output user number.

7. The ultrasonic diagnostic method with an ultrasonic probe for fingerprint identification according to claim 6, wherein the step S3 is to compare the received fingerprint information with all fingerprints in a preset fingerprint database, and output the user number in the preset fingerprint database matching the received fingerprint information, which specifically includes:

s31, preprocessing a fingerprint image corresponding to the received fingerprint information through the FPGA to obtain gradient values of all pixel points in the fingerprint image and coordinates of maximum value points of all subblocks in the fingerprint image, and storing the obtained data and original data in a cache DDR;

s32, reading the fingerprint data stored in the cache DDR through the DSP, calculating the ridge line direction and the ridge line frequency of the fingerprint image, filtering the original data by using a filter to obtain filtered data, and storing the obtained filtered data in the cache DDR;

s33, reading the filtered data through the DSP, and extracting a maximum value point in the fingerprint image through comparison logic in the FPGA;

and S34, reading the fingerprint in the preset fingerprint database through the DSP, matching and identifying the maximum value in the extracted fingerprint image with the fingerprint in the preset fingerprint database, and outputting the corresponding user number in the preset fingerprint database.

8. The ultrasonic diagnostic method with the fingerprint identification ultrasonic probe of claim 6, wherein the step S4 further comprises switching the parameters of the probe to default parameters when there is no fingerprint information matching with the user in the fingerprint identification module.

9. The ultrasonic diagnostic method with the fingerprint recognition ultrasonic probe according to claim 8, further comprising after the step S4: the user is prompted to create a parameter associated with the user's fingerprint.

10. The ultrasonic diagnostic method with the fingerprint identification ultrasonic probe of claim 6, wherein the step S1 further comprises processing the fingerprint information of the user to be collected by an analog-to-digital conversion chip.

Technical Field

The invention relates to the technical field of ultrasound, in particular to an ultrasonic diagnosis method and system with a fingerprint identification ultrasonic probe.

Background

Medical ultrasonic diagnostic equipment has been widely used in many different clinical departments.

In the process of using the medical ultrasonic diagnostic equipment, different users can carry out a plurality of personalized configurations on the parameters of the imaging system so as to accord with the use habits and the image styles of the users, and simultaneously accord with the characteristics of the current scanned part, such as adjusting the emission frequency, the acoustic power, the dynamic range, the gain, the time gain compensation and the like of the system to obtain satisfactory image quality, and adjusting the speckle noise suppression, the atlas, the gray scale suppression and the like to accord with the image styles of the users. The number of these parameters that can be adjusted is large and the combination relationship is complex. Therefore, if the doctor repeats the adjustment at every examination, a lot of time and effort are consumed, and satisfactory results are not necessarily achieved at every examination.

In order to solve the above problems, the current ultrasonic diagnostic equipment generally stores and manually calls the parameters by a user, but cannot activate the current probe and enter the personalized preset when the user picks up the probe, but needs to enter a specific menu, select the probe and the stored preset and other series of operations, and still has a certain workload.

Disclosure of Invention

The invention aims to provide an ultrasonic diagnosis method and system with a fingerprint identification ultrasonic probe, aiming at the defects of the prior art.

In order to achieve the purpose, the invention adopts the following technical scheme:

an ultrasonic diagnosis system with a fingerprint identification ultrasonic probe comprises a probe module and an ultrasonic system module, wherein the probe module is connected with the ultrasonic system module through a cable; the ultrasonic system module comprises a fingerprint identification module, a probe activation module and a probe switching module;

the fingerprint acquisition module is used for acquiring fingerprint information of a user and transmitting the acquired fingerprint information to the fingerprint identification module and the probe activation module through a cable;

the probe activation module is used for receiving the fingerprint information transmitted by the fingerprint acquisition module and automatically activating the probe;

the fingerprint identification module is used for receiving the fingerprint information transmitted by the fingerprint acquisition module, comparing the received fingerprint information with all fingerprints in a preset fingerprint database, outputting a user number matched with the received fingerprint information in the preset fingerprint database, and transmitting the output user number to the probe switching module;

and the probe switching module is used for switching the parameters of the probe into the parameters corresponding to the output user number.

Further, compare received fingerprint information with all fingerprints in the fingerprint database of predetermineeing among the fingerprint identification module, output in the fingerprint database of predetermineeing and received fingerprint information assorted user's serial number, specifically include:

the processing module is used for preprocessing the fingerprint image corresponding to the received fingerprint information through the FPGA to obtain gradient values of all pixel points in the fingerprint image and coordinates of maximum value points of all subblocks in the fingerprint image, and storing the obtained data and original data in a cache DDR (double data rate);

the filtering module is used for reading the fingerprint data stored in the cache DDR through the DSP, calculating the ridge line direction and the ridge line frequency of the fingerprint image, filtering the original data by using a filter to obtain filtered data, and storing the obtained filtered data in the cache DDR;

the extraction module is used for reading the filtered data through the DSP and extracting a maximum value point in the fingerprint image through comparison logic in the FPGA;

and the output module is used for reading the fingerprints in the preset fingerprint database through the DSP, matching and identifying the maximum value in the extracted fingerprint image with the fingerprints in the preset fingerprint database, and outputting the corresponding user number in the preset fingerprint database.

Further, the probe switching module is further configured to switch the parameter of the probe to the default parameter when there is no fingerprint information matching with the user in the fingerprint identification module.

Further, the ultrasound system module further comprises a reminding module for reminding the user to create a parameter related to the user fingerprint.

Furthermore, the fingerprint collecting module also comprises a module for processing the fingerprint information of the collected user through an analog-to-digital conversion chip.

Correspondingly, the ultrasonic diagnosis method with the fingerprint identification ultrasonic probe comprises the following steps:

s1, a fingerprint acquisition module acquires fingerprint information of a user and transmits the acquired fingerprint information to a fingerprint identification module and a probe activation module through a cable;

s2, the probe activating module receives the fingerprint information transmitted by the fingerprint acquisition module and automatically activates the probe;

s3, the fingerprint identification module receives the fingerprint information transmitted by the fingerprint acquisition module, compares the received fingerprint information with all fingerprints in a preset fingerprint database, outputs a user number matched with the received fingerprint information in the preset fingerprint database, and transmits the output user number to the probe switching module;

and S4, the probe switching module switches the parameters of the probe into the parameters corresponding to the output user number.

Further, the step S3 compares the received fingerprint information with all fingerprints in a preset fingerprint database, and outputs a user number in the preset fingerprint database, where the user number matches the received fingerprint information, and the method specifically includes:

s31, preprocessing a fingerprint image corresponding to the received fingerprint information through the FPGA to obtain gradient values of all pixel points in the fingerprint image and coordinates of maximum value points of all subblocks in the fingerprint image, and storing the obtained data and original data in a cache DDR;

s32, reading the fingerprint data stored in the cache DDR through the DSP, calculating the ridge line direction and the ridge line frequency of the fingerprint image, filtering the original data by using a filter to obtain filtered data, and storing the obtained filtered data in the cache DDR;

s33, reading the filtered data through the DSP, and extracting a maximum value point in the fingerprint image through comparison logic in the FPGA;

and S34, reading the fingerprint in the preset fingerprint database through the DSP, matching and identifying the maximum value in the extracted fingerprint image with the fingerprint in the preset fingerprint database, and outputting the corresponding user number in the preset fingerprint database.

Further, the step S4 includes switching the parameters of the probe to the default parameters when there is no fingerprint information matching the user in the fingerprint identification module.

Further, the step S4 is followed by: the user is prompted to create a parameter associated with the user's fingerprint.

Further, the step S1 includes processing the fingerprint information of the collected user by an analog-to-digital conversion chip.

Compared with the prior art, the invention has the advantages that the fingerprint collector is embedded in the probe, the fingerprint identification module, the probe switching module and the probe activation module are arranged on the ultrasonic system mainboard, the probe can be automatically switched, the user can be automatically identified, and the ultrasonic imaging system and the device for configuring the personalized parameters of the user can be well compatible with the current ultrasonic system without an external device. When a user picks up the probe, fingerprint collection can be carried out, the probe currently used by the user is automatically activated, and personalized configuration parameters of the user are automatically called, so that the ultrasonic image conforms to the habit and preference of the user; the operation process of the invention does not need human intervention at all, can be compatible with the ultrasonic imaging system well, the probe switching of the ultrasonic system can be automatically carried out when a user takes up the probe for scanning, the manual selection of the probe and the preset process of the user are omitted, the ultrasonic imaging parameters which accord with the use habits and the image styles of the user are configured in a personalized manner, the inspection efficiency and the accuracy of the user are improved, and the user experience is optimized.

Drawings

FIG. 1 is a block diagram of an ultrasonic diagnostic system with an ultrasonic probe for fingerprint identification according to an embodiment;

FIG. 2 is a schematic diagram of an ultrasonic diagnostic system with an ultrasonic probe for fingerprint identification according to one embodiment;

fig. 3 is a schematic diagram of an ultrasonic probe embedded in a fingerprint acquisition device according to an embodiment.

Detailed Description

The embodiments of the present invention are described below with reference to specific embodiments, and other advantages and effects of the present invention will be easily understood by those skilled in the art from the disclosure of the present specification. The invention is capable of other and different embodiments and of being practiced or of being carried out in various ways, and its several details are capable of modification in various respects, all without departing from the spirit and scope of the present invention. It is to be noted that the features in the following embodiments and examples may be combined with each other without conflict.

The invention aims to provide an ultrasonic diagnosis method and system with a fingerprint identification ultrasonic probe, aiming at the defects of the prior art.

Example one

The present embodiment provides an ultrasonic diagnostic system with a fingerprint identification ultrasonic probe, as shown in fig. 1-2, which includes a probe module 11 and an ultrasonic system module 12, wherein the probe module 11 and the ultrasonic system module 12 are connected by a cable.

The probe module 11 comprises a probe and a fingerprint acquisition module (as shown in fig. 3) arranged on the probe, and the ultrasonic system module 12 comprises a fingerprint identification module, a probe activation module and a probe switching module; the fingerprint identification module, the probe activation module and the probe switching module are respectively connected with the fingerprint acquisition module through cables for communication.

The fingerprint acquisition module is used for acquiring fingerprint information of a user and transmitting the acquired fingerprint information to the fingerprint identification module and the probe activation module through a cable;

firstly, a fingerprint collector is embedded in the ultrasonic probe, and then when a user picks up the ultrasonic probe in use, the fingerprint collector on the probe collects user fingerprint information. The fingerprint collector is a commonly used image sensor, wherein the commonly used fingerprint collector comprises an optical fingerprint collector and a thermosensitive sensor.

After the collected user fingerprint information is washed, the user fingerprint information is processed by an analog-to-digital conversion chip, and signals are transmitted to a fingerprint identification module and a probe activation module of the ultrasonic system module through a probe cable.

The probe activation module is used for receiving the fingerprint information transmitted by the fingerprint acquisition module and automatically activating the probe;

and after the probe activation module receives the fingerprint information sent by the fingerprint acquisition module, the current probe is automatically activated.

In this embodiment, multiple probes may be connected to one ultrasound system, and when a user picks up one of the probes and activates the system, the other probes of the ultrasound system enter a power saving mode.

The fingerprint identification module is used for receiving the fingerprint information transmitted by the fingerprint acquisition module, comparing the received fingerprint information with all fingerprints in a preset fingerprint database, outputting a user number matched with the received fingerprint information in the preset fingerprint database, and transmitting the output user number to the probe switching module;

wherein fingerprint identification module includes:

the processing module is used for firstly sending the fingerprint image output by the fingerprint collector to a preprocessing module of an FPGA (field programmable gate array) of the system to process data to obtain gradient values of all pixel points and coordinates of maximum value points of all subblocks in the image, and storing all the data and original data into a DDR (double data rate);

and the filtering module is used for reading the stored fingerprint data by the DSP, calculating the ridge line direction and the ridge line frequency of the fingerprint, and then filtering the original data by using a Gabor filter, wherein the Gabor filter achieves the effects of smoothing filtering in the ridge line direction and enhancing in the vertical direction, the processed image data is stored in the DDR again, and the Gabor filter is a mature algorithm and is not repeated herein.

The extraction module is used for reading the filtered data by the DSP, extracting the maximum value point in each row (each column) in the fingerprint image by the comparison logic in the FPGA, and sending the maximum value point to the DSP for the next processing;

and the DSP reads the fingerprints in the fingerprint database, completes matching identification and outputs the corresponding user numbers in the fingerprint database.

And the probe switching module is used for switching the parameters of the probe into the parameters corresponding to the output user number.

And loading personalized parameters of the user under the current probe, including front-end control parameters such as emission frequency and acoustic power of the system, and interface setting parameters such as dynamic range, gain, time gain compensation, speckle noise suppression, atlas, gray suppression and the like, and carrying out imaging of the ultrasonic system.

After setting the parameter of probe to the parameter that the user set for in advance, still include ultrasonic imaging module, specifically include:

the ultrasonic scanning module is used for carrying out ultrasonic scanning emission and echo signal receiving by using the probe;

the ultrasonic signal processing module is used for processing the received ultrasonic echo signals, wherein the processing mode comprises beam forming and digital signal processing;

the ultrasonic image processing module is used for generating an ultrasonic image and processing the produced ultrasonic image, and the processing comprises time gain compensation, digital scan conversion, dynamic range mapping and speckle noise suppression; and finally, displaying the generated ultrasonic image as an ultrasonic image which accords with the habit and style of the user.

In this embodiment, the method further includes the step of setting, at the fingerprint identification module, the parameter of the current probe as the default parameter by the probe switching module if the fingerprint corresponding to the current fingerprint is not found in the preset fingerprint library.

In this embodiment, when the user does not store the fingerprint information in advance, the method further includes: and reminding the user to create new user information and enter the fingerprint.

The entered fingerprint information may be used to select an existing user from a list of users to begin the examination, or to create new user information as prompted, and may be selected to enter a fingerprint.

Compared with the prior art, the embodiment has the following beneficial effects:

1. the fingerprint acquisition module is embedded in the ultrasonic probe, and when a user takes up the probe, the fingerprint of the user can be acquired.

2. The fingerprint identification module and the probe activation module can be well integrated on the ultrasonic system mainboard without being connected with other peripheral equipment.

3. The system can automatically switch to the probe currently used by the user after receiving the fingerprint acquisition signal without manually selecting the type and the preset of the probe by the user.

4. The system can automatically load the personalized parameters of the user under the probe after receiving the fingerprint acquisition signal, so that the quality of the ultrasonic image is optimal, the habit and the preference of the user are met, and the inspection efficiency and the user experience of the user are improved.

Example two

The embodiment provides an ultrasonic diagnosis method with a fingerprint identification ultrasonic probe, which comprises the following steps:

s1, a fingerprint acquisition module acquires fingerprint information of a user and transmits the acquired fingerprint information to a fingerprint identification module and a probe activation module through a cable;

s2, the probe activating module receives the fingerprint information transmitted by the fingerprint acquisition module and automatically activates the probe;

s3, the fingerprint identification module receives the fingerprint information transmitted by the fingerprint acquisition module, compares the received fingerprint information with all fingerprints in a preset fingerprint database, outputs a user number matched with the received fingerprint information in the preset fingerprint database, and transmits the output user number to the probe switching module;

and S4, the probe switching module switches the parameters of the probe into the parameters corresponding to the output user number.

Further, the step S3 compares the received fingerprint information with all fingerprints in a preset fingerprint database, and outputs a user number in the preset fingerprint database, where the user number matches the received fingerprint information, and the method specifically includes:

s31, preprocessing a fingerprint image corresponding to the received fingerprint information through the FPGA to obtain gradient values of all pixel points in the fingerprint image and coordinates of maximum value points of all subblocks in the fingerprint image, and storing the obtained data and original data in a cache DDR;

s32, reading the fingerprint data stored in the cache DDR through the DSP, calculating the ridge line direction and the ridge line frequency of the fingerprint image, filtering the original data by using a filter to obtain filtered data, and storing the obtained filtered data in the cache DDR;

s33, reading the filtered data through the DSP, and extracting a maximum value point in the fingerprint image through comparison logic in the FPGA;

and S34, reading the fingerprint in the preset fingerprint database through the DSP, matching and identifying the maximum value in the extracted fingerprint image with the fingerprint in the preset fingerprint database, and outputting the corresponding user number in the preset fingerprint database.

Further, the step S4 includes switching the parameters of the probe to the default parameters when there is no fingerprint information matching the user in the fingerprint identification module.

Further, the step S4 is followed by: the user is prompted to create a parameter associated with the user's fingerprint.

Further, the step S1 includes processing the fingerprint information of the collected user by an analog-to-digital conversion chip.

It should be noted that the ultrasound diagnostic method with an ultrasound probe for fingerprint recognition provided in this embodiment is similar to the embodiment, and will not be described herein again.

Compared with the prior art, the fingerprint collector is embedded in the probe, the fingerprint identification module, the probe switching module and the probe activation module are arranged on the ultrasonic system mainboard, the probe can be automatically switched, the user can be automatically identified, and the ultrasonic imaging system and the device which are configured with the personalized parameters of the user can be well compatible with the current ultrasonic system without an external device. When a user picks up the probe, fingerprint collection can be carried out, the probe currently used by the user is automatically activated, and the personalized configuration parameters of the user are automatically called, so that the ultrasonic image conforms to the habit and preference of the user, and the inspection efficiency and the user experience of the user are improved.

It is to be noted that the foregoing is only illustrative of the preferred embodiments of the present invention and the technical principles employed. It will be understood by those skilled in the art that the present invention is not limited to the particular embodiments described herein, but is capable of various obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the invention. Therefore, although the present invention has been described in greater detail by the above embodiments, the present invention is not limited to the above embodiments, and may include other equivalent embodiments without departing from the spirit of the present invention, and the scope of the present invention is determined by the scope of the appended claims.