阅读说明：本技术 一种无人机超声立体成像模型系统 (Unmanned aerial vehicle supersound solid imaging model system ) 是由 赵峰 赵思睿 赵宏志 潘组倩 瞿小君 于 2020-12-22 设计创作，主要内容包括：本发明公开了一种无人机超声立体成像模型系统,包括超声波发射模块、超声波接收模块、超声信息接收模块、模型组建模块、总控模块、模型接收终端与模型展示终端；所述超声波发射模块与超声波接收模块均安装在无人机上,并在无人机飞行到预设位置后开始运行；所述超声波发射模块用于发射超声波,所述超声波接收模块用于接收反弹会的超声波,所述超声信息接收模块用于接收超声信息,超声信息为超声射频信号,是超声回波经过数模变换后得到的数据,所述超声信息被发送到模型组建模块进行模型组建,组建好模型后实时模型被发送到总控模块,总控模块接收到实时模型后。本发明能够更好进行模型成像,构建出模型尺寸更加精准。(The invention discloses an unmanned aerial vehicle ultrasonic three-dimensional imaging model system, which comprises an ultrasonic transmitting module, an ultrasonic receiving module, an ultrasonic information receiving module, a model building module, a master control module, a model receiving terminal and a model display terminal, wherein the model building module is used for building a model; the ultrasonic transmitting module and the ultrasonic receiving module are both arranged on the unmanned aerial vehicle and start to operate after the unmanned aerial vehicle flies to a preset position; the ultrasonic wave transmitting module is used for transmitting ultrasonic waves, the ultrasonic wave receiving module is used for receiving the ultrasonic waves of the rebound meeting, the ultrasonic information receiving module is used for receiving ultrasonic information, the ultrasonic information is an ultrasonic radio-frequency signal and is data obtained after ultrasonic echoes are subjected to digital-to-analog conversion, the ultrasonic information is sent to the model building module for model building, the real-time model is sent to the master control module after the model is built, and the master control module receives the real-time model. The method can better perform model imaging and construct a model with more accurate size.)

1. An unmanned aerial vehicle ultrasonic three-dimensional imaging model system is characterized by comprising an ultrasonic wave transmitting module, an ultrasonic wave receiving module, an ultrasonic information receiving module, a model building module, a master control module, a model receiving terminal and a model display terminal;

the ultrasonic transmitting module and the ultrasonic receiving module are both arranged on the unmanned aerial vehicle and start to operate after the unmanned aerial vehicle flies to a preset position;

the system comprises an ultrasonic wave transmitting module, an ultrasonic wave receiving module, an ultrasonic information receiving module, a model building module, a general control module, a model building module, a real-time model, a verification instruction and an unmanned aerial vehicle, wherein the ultrasonic wave transmitting module is used for transmitting ultrasonic waves, the ultrasonic wave receiving module is used for receiving the ultrasonic waves of a rebound meeting, the ultrasonic information receiving module is used for receiving ultrasonic information, the ultrasonic information is an ultrasonic radio-frequency signal and is data obtained after an ultrasonic echo is subjected to digital-to-analog conversion, the ultrasonic information is transmitted to the model building module for model building, the real-time model is transmitted to the general control module after the model is built, the general;

the ultrasonic wave receiving module receives the ultrasonic wave sending module and sends the ultrasonic wave after the ultrasonic wave sending module operates again to send the ultrasonic wave, the ultrasonic information receiving module receives the ultrasonic wave again, sends the ultrasonic wave information received again to the model building module to build a secondary model, compares the real-time model with the secondary model, sends the real-time model and the secondary model to the model receiving module after the comparison is passed, and sends the real-time model and the secondary model to the model display terminal to preview and display after the model receiving module receives the real-time model and the secondary model.

2. The unmanned aerial vehicle ultrasonic stereo imaging model system of claim 1, wherein: the specific process of the model building module for building the model is as follows:

the method comprises the following steps: filtering processing, namely discharging noise interference, in a fundamental wave imaging mode, wherein fundamental wave imaging is to receive an echo signal with the same transmitting frequency for imaging, the central frequency of a filter is the transmitting frequency of the probe, in a harmonic wave imaging mode, second-order high-order harmonic wave imaging of the echo is used, and the central frequency of the filter in the harmonic wave mode is twice of the transmitting frequency of the probe;

step two: time gain compensation, wherein ultrasonic waves can generate transmission attenuation in the transmission process of a measured object, so that the amplitude of a deep echo signal of the measured object is reduced, the imaging effect is influenced, the deep echo signal is compensated, namely, the gain compensation is received, and the gain compensation is related to the transmission attenuation;

step three: when the ultrasonic signal returns to the ultrasonic receiving module through the building, the reflected signal of the model sample is modulated in the ultrasonic echo, the frequency of the carrier wave is the transmitting frequency of the probe, the envelope is a tissue sample signal, the envelope detection is aligned and extracted, the detection is carried out by using Hilbert transform, the amplitude of the signal after the Hilbert transform is unchanged, but the phase is changed, and the signal is orthogonal to the original signal;

step four: performing secondary sampling, namely when the sampling rate of an original echo signal is too high, a distinguishable pixel displayed on an image may be sampled for multiple times, the pixel needs to be subjected to secondary sampling for normally displaying a head portrait, certain point extraction operation is performed on input data to obtain output data, and the secondary sampling rate is the ratio of echo envelope signal sample numbers before and after secondary sampling;

step five: logarithmic compression: and compressing the dynamic range of the echo signal to about the range which can be received by a display, and generating the content of the model after scanning conversion and image display.

3. The unmanned aerial vehicle ultrasonic stereo imaging model system of claim 1, wherein: and when the real-time model and the secondary model are compared, regionalization treatment is carried out on the real-time model and the secondary model, areas are randomly selected for similar comparison, and the comparison is passed, namely the real-time model and the secondary model are displayed.

4. The unmanned aerial vehicle ultrasonic stereo imaging model system of claim 3, wherein: when the real-time model and the secondary model are compared, the real-time model and the secondary model are regionalized, and the process of randomly selecting regions for similar comparison is as follows:

s1: extracting a photo of which the preset angle is intercepted by the real-time model, and marking the photo as K1;

s2: photograph K1 was nine-equally divided and labeled, in order from left to right and top to bottom, as region a1, region a2, region A3, region a4, region a5, region a6, region a7, region A8 and region a 9;

s3: extracting a secondary model and intercepting a photo at a preset angle, and marking the photo as K2;

s4: photograph K2 was nine-equally divided and labeled, in order from left to right and top to bottom, as region B1, region B2, region B3, region B4, region B5, region B6, region B7, region B8 and region B9;

s5: comparing the A1 region, the A2 region, the A3 region, the A4 region, the A5 region, the A6 region, the A7 region, the A8 region, the A9 region, the A1 region, the A2 region, the A3 region, the A4 region, the A5 region, the A6 region, the A7 region, the A8 region and the A9 region which are optionally three regions with the same number in a similar way, and indicating that the verification is passed when the similarity of any three regions with the same number exceeds a preset value.

Technical Field

The invention relates to the field of stereo imaging, in particular to an unmanned aerial vehicle ultrasonic stereo imaging model system.

Background

Stereoscopic imaging can be classified into two main categories, static scene shooting and dynamic scene shooting. The shooting of the static scenery only needs to use one camera, a photo is firstly shot at a certain position angle, then the camera is moved in parallel for a certain distance and then the photo is shot, and thus a group of stereo photos with parallax errors are obtained. When the unmanned aerial vehicle is used for carrying out ultrasonic three-dimensional imaging to build a model, an unmanned aerial vehicle ultrasonic three-dimensional imaging model system is urgently needed.

The problem of overlarge size deviation of a constructed model easily caused by inaccuracy of data in a model construction process of an existing unmanned aerial vehicle ultrasonic three-dimensional imaging model system brings certain influence to the use of the unmanned aerial vehicle ultrasonic three-dimensional imaging model system, and therefore the unmanned aerial vehicle ultrasonic three-dimensional imaging model system is provided.

Disclosure of Invention

The technical problem to be solved by the invention is as follows: how to solve current unmanned aerial vehicle supersound solid imaging model system, the problem that the size deviation is too big appears in the model that the inaccurate model that leads to of data among the construction model process, has brought the problem of certain influence for unmanned aerial vehicle supersound solid imaging model system's use, provides an unmanned aerial vehicle supersound solid imaging model system.

5. The invention solves the technical problems through the following technical scheme, and the invention comprises an ultrasonic wave transmitting module, an ultrasonic wave receiving module, an ultrasonic information receiving module, a model building module, a master control module, a model receiving terminal and a model display terminal;

the ultrasonic transmitting module and the ultrasonic receiving module are both arranged on the unmanned aerial vehicle and start to operate after the unmanned aerial vehicle flies to a preset position;

the system comprises an ultrasonic wave transmitting module, an ultrasonic wave receiving module, an ultrasonic information receiving module, a model building module, a general control module, a model building module, a real-time model, a verification instruction and an unmanned aerial vehicle, wherein the ultrasonic wave transmitting module is used for transmitting ultrasonic waves, the ultrasonic wave receiving module is used for receiving the ultrasonic waves of a rebound meeting, the ultrasonic information receiving module is used for receiving ultrasonic information, the ultrasonic information is an ultrasonic radio-frequency signal and is data obtained after an ultrasonic echo is subjected to digital-to-analog conversion, the ultrasonic information is transmitted to the model building module for model building, the real-time model is transmitted to the general control module after the model is built, the general;

the ultrasonic wave receiving module receives the ultrasonic wave sending module and sends the ultrasonic wave after the ultrasonic wave sending module operates again to send the ultrasonic wave, the ultrasonic information receiving module receives the ultrasonic wave again, sends the ultrasonic wave information received again to the model building module to build a secondary model, compares the real-time model with the secondary model, sends the real-time model and the secondary model to the model receiving module after the comparison is passed, and sends the real-time model and the secondary model to the model display terminal to preview and display after the model receiving module receives the real-time model and the secondary model.

Preferably, the specific process of the model building module building the model is as follows:

the method comprises the following steps: filtering processing, namely discharging noise interference, in a fundamental wave imaging mode, wherein fundamental wave imaging is to receive an echo signal with the same transmitting frequency for imaging, the central frequency of a filter is the transmitting frequency of the probe, in a harmonic wave imaging mode, second-order high-order harmonic wave imaging of the echo is used, and the central frequency of the filter in the harmonic wave mode is twice of the transmitting frequency of the probe;

step two: time gain compensation, wherein ultrasonic waves can generate transmission attenuation in the transmission process of a measured object, so that the amplitude of a deep echo signal of the measured object is reduced, the imaging effect is influenced, the deep echo signal is compensated, namely, the gain compensation is received, and the gain compensation is related to the transmission attenuation;

step three: when the ultrasonic signal returns to the ultrasonic receiving module through the building, the reflected signal of the model sample is modulated in the ultrasonic echo, the frequency of the carrier wave is the transmitting frequency of the probe, the envelope is a tissue sample signal, the envelope detection is aligned and extracted, the detection is carried out by using Hilbert transform, the amplitude of the signal after the Hilbert transform is unchanged, but the phase is changed, and the signal is orthogonal to the original signal;

step four: performing secondary sampling, namely when the sampling rate of an original echo signal is too high, a distinguishable pixel displayed on an image may be sampled for multiple times, the pixel needs to be subjected to secondary sampling for normally displaying a head portrait, certain point extraction operation is performed on input data to obtain output data, and the secondary sampling rate is the ratio of echo envelope signal sample numbers before and after secondary sampling;

step five: logarithmic compression: and compressing the dynamic range of the echo signal to about the range which can be received by a display, and generating the content of the model after scanning conversion and image display.

Preferably, when the real-time model and the secondary model are compared, the real-time model and the secondary model are regionalized, areas are randomly selected for similar comparison, and the comparison is passed, namely the real-time model and the secondary model are displayed.

Preferably, when the real-time model and the secondary model are compared, the real-time model and the secondary model are regionalized, and the process of randomly selecting regions for similar comparison is as follows:

s1: extracting a photo of which the preset angle is intercepted by the real-time model, and marking the photo as K1;

s2: photograph K1 was nine-equally divided and labeled, in order from left to right and top to bottom, as region a1, region a2, region A3, region a4, region a5, region a6, region a7, region A8 and region a 9;

s3: extracting a secondary model and intercepting a photo at a preset angle, and marking the photo as K2;

s4: photograph K2 was nine-equally divided and labeled, in order from left to right and top to bottom, as region B1, region B2, region B3, region B4, region B5, region B6, region B7, region B8 and region B9;

s5: comparing the A1 region, the A2 region, the A3 region, the A4 region, the A5 region, the A6 region, the A7 region, the A8 region, the A9 region, the A1 region, the A2 region, the A3 region, the A4 region, the A5 region, the A6 region, the A7 region, the A8 region and the A9 region which are optionally three regions with the same number in a similar way, and indicating that the verification is passed when the similarity of any three regions with the same number exceeds a preset value.

Compared with the prior art, the invention has the following advantages: this unmanned aerial vehicle supersound solid imaging model system, scan the processing to the building through using the ultrasonic wave, and generate the model, through at the generative model in-process, carry out filtering process and time gain compensation to data, can effectively reduce the error in the data, make the model that this system component goes out, and is more accurate, set up the model simultaneously and verified, through carrying out the halving with real-time model and secondary model and handling and comparing, come further to verify the model, further assurance generative model's the degree of accuracy.

Drawings

FIG. 1 is a system block diagram of the present invention.

Detailed Description

The following examples are given for the detailed implementation and specific operation of the present invention, but the scope of the present invention is not limited to the following examples.

As shown in fig. 1, the present embodiment provides a technical solution: an unmanned aerial vehicle ultrasonic three-dimensional imaging model system comprises an ultrasonic transmitting module, an ultrasonic receiving module, an ultrasonic information receiving module, a model building module, a master control module, a model receiving terminal and a model display terminal;

the ultrasonic transmitting module and the ultrasonic receiving module are both arranged on the unmanned aerial vehicle and start to operate after the unmanned aerial vehicle flies to a preset position;

the system comprises an ultrasonic wave transmitting module, an ultrasonic wave receiving module, an ultrasonic information receiving module, a model building module, a general control module, a model building module, a real-time model, a verification instruction and an unmanned aerial vehicle, wherein the ultrasonic wave transmitting module is used for transmitting ultrasonic waves, the ultrasonic wave receiving module is used for receiving the ultrasonic waves of a rebound meeting, the ultrasonic information receiving module is used for receiving ultrasonic information, the ultrasonic information is an ultrasonic radio-frequency signal and is data obtained after an ultrasonic echo is subjected to digital-to-analog conversion, the ultrasonic information is transmitted to the model building module for model building, the real-time model is transmitted to the general control module after the model is built, the general;

the ultrasonic wave receiving module receives the ultrasonic wave sending module and sends the ultrasonic wave after the ultrasonic wave sending module operates again to send the ultrasonic wave, the ultrasonic information receiving module receives the ultrasonic wave again, sends the ultrasonic wave information received again to the model building module to build a secondary model, compares the real-time model with the secondary model, sends the real-time model and the secondary model to the model receiving module after the comparison is passed, and sends the real-time model and the secondary model to the model display terminal to preview and display after the model receiving module receives the real-time model and the secondary model.

The specific process of the model building module for building the model is as follows:

the method comprises the following steps: filtering processing, namely discharging noise interference, in a fundamental wave imaging mode, wherein fundamental wave imaging is to receive an echo signal with the same transmitting frequency for imaging, the central frequency of a filter is the transmitting frequency of the probe, in a harmonic wave imaging mode, second-order high-order harmonic wave imaging of the echo is used, and the central frequency of the filter in the harmonic wave mode is twice of the transmitting frequency of the probe;

step two: time gain compensation, wherein ultrasonic waves can generate transmission attenuation in the transmission process of a measured object, so that the amplitude of a deep echo signal of the measured object is reduced, the imaging effect is influenced, the deep echo signal is compensated, namely, the gain compensation is received, and the gain compensation is related to the transmission attenuation;

step three: when the ultrasonic signal returns to the ultrasonic receiving module through the building, the reflected signal of the model sample is modulated in the ultrasonic echo, the frequency of the carrier wave is the transmitting frequency of the probe, the envelope is a tissue sample signal, the envelope detection is aligned and extracted, the detection is carried out by using Hilbert transform, the amplitude of the signal after the Hilbert transform is unchanged, but the phase is changed, and the signal is orthogonal to the original signal;

step four: performing secondary sampling, namely when the sampling rate of an original echo signal is too high, a distinguishable pixel displayed on an image may be sampled for multiple times, the pixel needs to be subjected to secondary sampling for normally displaying a head portrait, certain point extraction operation is performed on input data to obtain output data, and the secondary sampling rate is the ratio of echo envelope signal sample numbers before and after secondary sampling;

step five: logarithmic compression: and compressing the dynamic range of the echo signal to about the range which can be received by a display, and generating the content of the model after scanning conversion and image display.

And when the real-time model and the secondary model are compared, regionalization treatment is carried out on the real-time model and the secondary model, areas are randomly selected for similar comparison, and the comparison is passed, namely the real-time model and the secondary model are displayed.

When the real-time model and the secondary model are compared, the real-time model and the secondary model are regionalized, and the process of randomly selecting regions for similar comparison is as follows:

s1: extracting a photo of which the preset angle is intercepted by the real-time model, and marking the photo as K1;

s2: photograph K1 was nine-equally divided and labeled, in order from left to right and top to bottom, as region a1, region a2, region A3, region a4, region a5, region a6, region a7, region A8 and region a 9;

s3: extracting a secondary model and intercepting a photo at a preset angle, and marking the photo as K2;

s4: photograph K2 was nine-equally divided and labeled, in order from left to right and top to bottom, as region B1, region B2, region B3, region B4, region B5, region B6, region B7, region B8 and region B9;

s5: comparing the A1 region, the A2 region, the A3 region, the A4 region, the A5 region, the A6 region, the A7 region, the A8 region, the A9 region, the A1 region, the A2 region, the A3 region, the A4 region, the A5 region, the A6 region, the A7 region, the A8 region and the A9 region which are optionally three regions with the same number in a similar way, and indicating that the verification is passed when the similarity of any three regions with the same number exceeds a preset value.

In summary, when the invention is used, the ultrasonic wave transmitting module and the ultrasonic wave receiving module are both installed on the unmanned aerial vehicle, and start to operate after the unmanned aerial vehicle flies to a preset position, the ultrasonic wave transmitting module is used for transmitting ultrasonic waves, the ultrasonic wave receiving module is used for receiving ultrasonic waves in a rebound meeting, the ultrasonic information receiving module is used for receiving ultrasonic information, the ultrasonic information is an ultrasonic radio frequency signal and is data obtained after an ultrasonic echo undergoes digital-to-analog conversion, the ultrasonic information is sent to the model building module for model building, a real-time model is sent to the master control module after the model is built, the master control module generates a verification instruction after receiving the real-time model, the verification instruction is sent to the unmanned aerial vehicle, the unmanned aerial vehicle flies back to the start position, then the ultrasonic wave transmitting module operates again to transmit the ultrasonic waves, the ultrasonic wave receiving module receives the ultrasonic wave transmitting module operates again to transmit, the ultrasonic information receiving module receives the ultrasonic information again, sends the ultrasonic information received again to the model building module to build a secondary model, compares the real-time model with the secondary model, and sends the real-time model and the secondary model to the model receiving module after the comparison is passed, and the model receiving module sends the real-time model and the secondary model to the model display terminal to preview and display after receiving the real-time model and the secondary model.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.

Although embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art within the scope of the present invention.