CN111904467A

CN111904467A - Ultrasound imaging system

Info

Publication number: CN111904467A
Application number: CN202010529442.0A
Authority: CN
Inventors: 张玉满; 周浩
Original assignee: Shanghai United Imaging Healthcare Co Ltd
Current assignee: Shanghai United Imaging Healthcare Co Ltd
Priority date: 2020-06-11
Filing date: 2020-06-11
Publication date: 2020-11-10
Anticipated expiration: 2040-06-11
Also published as: CN111904467B

Abstract

The present application relates to an ultrasound imaging system comprising: the system comprises an ultrasonic imaging device, a transmission bus, a bus exchanger and a computer device connected with the ultrasonic imaging device through the transmission bus; the ultrasonic imaging equipment comprises a probe, a first processor connected with the probe and a first memory corresponding to the first processor, and the computer equipment comprises a Graphic Processing Unit (GPU) connected with the bus exchanger through a transmission bus and a second memory corresponding to the GPU; the first memory is used for storing echo data obtained by scanning human tissues by the probe; the bus exchanger is used for transmitting the echo data stored in the first memory into the second memory through the transmission bus for the first processor to provide a bus interface; and the GPU is used for carrying out reconstruction processing on the echo data stored in the second memory so as to obtain a reconstructed image corresponding to the echo data. The ultrasonic imaging system can improve the data transmission efficiency.

Description

Ultrasound imaging system

Technical Field

The present application relates to the field of image processing technologies, and in particular, to an ultrasound imaging system.

Background

Ultrasonic imaging is to scan human body with ultrasonic beams, and to receive and process reflected signals to obtain images of organs in the body, so that doctors can conveniently judge the position, size and shape of organs with the obtained images to determine the range and physical properties of focus. With the continuous development of medical technology, the requirements on the transmission and processing efficiency of ultrasonic echo data in the ultrasonic imaging technology are higher and higher.

In the conventional technology, in a process of Processing ultrasonic echo data, when a Graphics Processing Unit (GPU) needs to acquire echo data acquired by an ultrasonic imaging device and stored in a first memory, the ultrasonic imaging device needs to send the echo data in the first memory to a third memory corresponding to a Central Processing Unit (CPU) of a computer device connected to the ultrasonic imaging device, and then the CPU sends the echo data stored in the third memory to a second memory corresponding to the GPU for the GPU to process the echo data.

However, in the conventional technology, echo data needs to be transmitted to the GPU for processing after being transmitted for multiple times, which results in low transmission efficiency.

Disclosure of Invention

Therefore, it is necessary to provide an ultrasound imaging system for solving the problem of low transmission efficiency caused by the fact that echo data needs to be transmitted to the GPU for processing after being transmitted for multiple times in the conventional technology.

An embodiment of the present application provides an ultrasound imaging system, which includes: the system comprises an ultrasonic imaging device, a transmission bus, a bus exchanger and a computer device connected with the ultrasonic imaging device through the transmission bus; the ultrasonic imaging equipment comprises a probe, a first processor connected with the probe and a first memory corresponding to the first processor, and the computer equipment comprises a Graphic Processing Unit (GPU) connected with the bus exchanger through a transmission bus and a second memory corresponding to the GPU;

the first memory is used for storing echo data obtained by scanning human tissues by the probe;

the bus exchanger is used for transmitting the echo data stored in the first memory into the second memory through the transmission bus for the first processor to provide a bus interface;

and the GPU is used for carrying out reconstruction processing on the echo data stored in the second memory so as to obtain a reconstructed image corresponding to the echo data.

In one embodiment, the first processor and the GPU include a first RDMA module to transfer echo data stored in the first memory into the second memory via the transmission bus.

In one embodiment, the system further includes a central processing unit CPU connected to the bus switch, the CPU being configured to send a scan instruction to the first processor, and the first processor being further configured to receive the scan instruction sent by the CPU.

In one embodiment, the system further includes a third memory corresponding to the CPU, where the third memory is used to store the reconstructed image sent by the GPU to the CPU, and the CPU is further used to display the reconstructed image.

In one embodiment, the first processor is a field programmable gate array FPGA or a digital signal processor DSP.

In one embodiment, when the first processor is a DSP, the DSP is further configured to perform at least one of reconstruction processing on the echo data to obtain processed echo data or a reconstructed image corresponding to the echo data.

In one embodiment, the system further includes a transmitting circuit connected to the first processor and the probe, respectively, and the transmitting circuit is configured to receive the scan command sent by the first processor and to send the scan command to the probe.

In one embodiment, the system further comprises a receiving circuit connected to the first processor and the probe, respectively, for receiving the echo data and transmitting the echo data back to the first processor.

In one embodiment, the CPU is further configured to configure the timing of operations for the transmit circuitry and the receive circuitry.

In one embodiment, the GPU is further configured to query whether the second memory stores the echo data in real time or according to a preset period, so as to perform reconstruction processing on the echo data when the second memory is queried to store the echo data.

In the ultrasound imaging system provided in this embodiment, the ultrasound imaging system includes: the system comprises an ultrasonic imaging device, a transmission bus, a bus exchanger and a computer device connected with the ultrasonic imaging device through the transmission bus; the computer equipment comprises a Graphic Processing Unit (GPU) connected with the bus exchanger through a transmission bus and a second memory corresponding to the GPU; the first memory is used for storing echo data obtained by scanning human tissues by the probe; the bus exchanger is used for transmitting the echo data stored in the first memory into the second memory through the transmission bus for the first processor to provide a bus interface; and the GPU is used for carrying out reconstruction processing on the echo data stored in the second memory so as to obtain a reconstructed image corresponding to the echo data. In this embodiment, the first processor and the GPU may directly transmit data via the bus switch without using other processors such as a CPU as a relay for transmission, thereby reducing the number of data transmission and reducing transmission time, thereby improving data transmission efficiency.

Drawings

FIG. 1 is a schematic diagram of an ultrasound imaging system according to an exemplary embodiment;

FIG. 2 is a schematic diagram of an ultrasound imaging system according to another embodiment;

fig. 3 is a flowchart illustrating an ultrasound imaging data transmission method according to an embodiment.

Description of reference numerals:

100: transmission bus

101: an ultrasound imaging device;

102: a computer device;

1011: a probe;

1012: a first processor;

1013: a first memory;

1014: a transmitting circuit;

1015: a receiving circuit;

1021: a bus exchanger;

1022：GPU；

1023: a second memory;

1024：CPU；

1025: a third memory.

Detailed Description

In order to make the objects, technical solutions and advantages of the present application more apparent, the present application is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present application and are not intended to limit the present application.

The ultrasonic imaging system provided by the application can be applied to an application environment in which a human tissue needs to be scanned to obtain a reconstructed image corresponding to the human tissue, so that a doctor can conveniently judge the position, size, shape and the like of the human tissue by using the reconstructed image to determine the range, physical properties and the like of a focus. With the continuous development of medical technology, the requirements on the transmission and processing efficiency of ultrasonic echo data in the ultrasonic imaging technology are higher and higher. In the conventional technology, in the process of processing the ultrasonic echo data, when the GPU needs to acquire the echo data acquired by the ultrasonic imaging device and stored in the first memory, the ultrasonic imaging device needs to send the echo data in the first memory to the third memory corresponding to the CPU of the computer device connected to the ultrasonic imaging device, and then the CPU sends the echo data stored in the third memory to the second memory corresponding to the GPU for the GPU to process the echo data, that is, the echo data needs to be transferred by the CPU and then can be transmitted to the second memory corresponding to the GPU, so that the echo data can be transmitted to the GPU for processing after being transmitted for many times, resulting in low transmission efficiency. The application provides an ultrasonic imaging system aims at solving and need can only transmit into GPU after transmitting echo data many times among the conventional art and handle, leads to the lower problem of transmission efficiency.

The technical solution of the present application will be described in detail below with specific examples. The following several specific embodiments may be combined with each other, and details of the same or similar concepts or processes may not be repeated in some embodiments.

FIG. 1 provides an ultrasound imaging system, according to one embodiment. The ultrasonic imaging system comprises an ultrasonic imaging device 101, a transmission bus 100, a bus exchanger 1021 and a computer device 102 connected with the ultrasonic imaging device 101 through the transmission bus 100; the ultrasound imaging device 101 comprises a probe 1011, a first processor 1012 connected with the probe 1011, and a first memory 1013 corresponding to the first processor 1012, and the computer device 102 comprises a graphics processor GPU1022 connected with the bus switch 1021 through the transmission bus 100, and a second memory 1023 corresponding to the GPU 1022; a first memory 1013 for storing echo data obtained by scanning the probe 1011 on the human tissue; a bus switch 1021, for providing a bus interface for the first processor 1012 to transfer the echo data stored in the first memory 1013 into the second memory 1023 through the transmission bus 100; the GPU1022 is configured to perform reconstruction processing on the echo data stored in the second memory 1023 to obtain a reconstructed image corresponding to the echo data.

In particular, the transport bus 100 may be a PCIe bus. The ultrasound imaging device 101 and the computer device 102 are connected by a transmission bus 100 to enable wired communication between the ultrasound imaging device 101 and the computer device 102. The ultrasonic imaging device 101 may be an a-type ultrasonic imaging device 101, an M-type ultrasonic imaging device 101, a B-type ultrasonic imaging device 101, a D-type ultrasonic imaging device, a C-type ultrasonic imaging device, and the like, which is not limited in this embodiment; the computer device 102 may be a computer device 102 including the GPU1022, such as a notebook, a desktop, a kiosk, and the like, and the embodiment does not limit the specific form of the computer device 102.

It should be noted that the structure of the computer device 102 provided in this embodiment is only a block diagram of a partial structure related to the present application, and does not constitute a limitation to the computer device 102 to which the present application is applied, and a specific computer device 102 may include more or less components than those shown in the drawings, or combine some components, or have a different arrangement of components.

The ultrasound imaging apparatus 101 may include a probe 1011, a first processor 1012, and a first memory 1013, the probe 1011 being connected with the first processor 1012, the first memory 1013 being a memory corresponding to the first processor 1012. Wherein, the probe 1011 is used for scanning human tissue (human tissue such as placenta, liver, brain, etc.) to obtain echo data, and storing the obtained echo data in the first memory 1013, and the first processor 1012 is used for transmitting the echo data stored in the first memory 1013 to the second memory 1023 through the transmission bus 100. Alternatively, the first processor 1012 may be an Application Specific Integrated Circuit (ASIC) processor. The GPU1022 is a microprocessor specially used for performing image and graphics related operations on a personal computer, a workstation, and a game machine, and in the embodiment of the present application, the GPU1022 is configured to perform reconstruction processing on the echo data stored in the second memory 1023 to obtain a reconstructed image corresponding to the echo data. Alternatively, the number of the first processor 1013 and the first memory 1014 may be one or more.

Optionally, the bus switch 1021 may be independent of the ultrasound imaging apparatus 101 and the computer apparatus 102, or may be integrated into the ultrasound imaging apparatus 101 or the computer apparatus 102, which is not limited in this embodiment. Further, bus switch 1021 may be a PCIe switch.

The computer device 102 may include a GPU1022 and a second memory 1023, the first processor 1012 being coupled to the GPU1022 via the bus switch 1021, the second memory 1023 being a memory corresponding to the GPU 1022. The bus switch 1021 is used to provide a bus interface for the first processor 1012 and the GPU1022 to transmit the echo data, that is, the first processor 1012 and the GPU1022 can directly transmit the echo data through the bus switch 1021 without using other processors such as a CPU as a relay, that is, the first processor 1012 does not need to transmit the echo data to the CPU first, and then the CPU transmits the echo data to the GPU 1022. Optionally, the GPU1022 may also store data into the first memory 1012 corresponding to the first processor 1011 through the transmission bus 100, that is, the first processor 1012 and the GPU1022 may transmit data to each other through the transmission bus 100. The GPU1022 may be configured to perform reconstruction processing on the echo data stored in the second memory 1023 to obtain a reconstructed image corresponding to the echo data. The reconstruction processing may include processing such as complex demodulation, delay-superposition beam synthesis, phase compensation, coherent recombination, envelope extraction, log compression, and the like on the echo data, and it should be noted that the process of reconstructing the echo data to obtain a reconstructed image corresponding to the echo data may be implemented by any method in the prior art, and the process of obtaining the reconstructed image by using the echo data is not limited in this embodiment.

In the ultrasound imaging system of another embodiment, based on the above embodiment, optionally, the first processor 1012 includes a first RDMA module, which is configured to transfer the echo data stored in the first memory 1013 into the second memory 1023 through the transmission bus 100.

Specifically, the address of the echo data stored in the second memory 1023 may be configured before the first processor 1012 transmits the echo data to the GPU 1022. The first processor 1012 may include a first RDMA module implementing an RDMA function for transmitting echo data stored in the first memory 1013 into the second memory 1023, and the RDMA function may be a function of remote direct data access. Optionally, the first RDMA module is further configured to read data from the second memory 1023 and store the read data in the first memory 1013; correspondingly, the storage address of the data read from the second memory 1023 by the first RDMA module may be a preconfigured address. Optionally, the GPU1022 may include a second RDMA module for reading data from the first memory 1013 or writing data to the first memory 1013, thereby enabling data to be mutually transferred between the first processor 1012 and the GPU1022 via the transfer bus 100.

In the ultrasound imaging system provided by this embodiment, the first processor includes a first RDMA module, and the first RDMA module is configured to transfer echo data stored in the first memory to the second memory through the transmission bus. In the process of transmitting the echo data by the first processor and the GPU, the first processor can directly transmit the echo data to the GPU by using the included first RDMA module without using other processors such as a CPU (Central processing Unit) as a relay for transmission, so that the data transmission times are reduced, the transmission time is shortened, and the data transmission efficiency is improved.

Fig. 2 is an ultrasound imaging system provided in accordance with another embodiment. On the basis of the foregoing embodiment, optionally, the foregoing system may further include a central processing unit CPU1024 connected to the bus switch 1021, where the CPU1024 is configured to send a scan instruction to the first processor 1012, and the first processor 1012 is further configured to receive the scan instruction sent by the CPU 1024.

Specifically, the scan command is used to instruct the probe 1011 to scan echo data obtained from human tissue. The CPU1024 may send a scan instruction to the first processor 1012 through the bus switch 1021 via the bus, and correspondingly, the first processor 1012 may receive an execution scan instruction sent by the CPU1024 and send the scan instruction to the probe 1011, so that the probe 1011 scans the human tissue.

Optionally, the ultrasound imaging system further includes a transmitting circuit 1014 connected to the first processor 1012 and the probe 1011, respectively, where the transmitting circuit 1014 is configured to receive a scan instruction sent by the first processor 1012 and send a scan instruction to the probe 1011; further, the ultrasound imaging system further comprises a receiving circuit 1015 connected to the first processor 1012 and the probe 1011, respectively, the receiving circuit 1015 being configured to receive the echo data and send the echo data back to the first processor 1012. Correspondingly, the CPU1024 is also configured to configure the operation timing for the transmitting circuit 1014 and the receiving circuit 1015. The operation timing may include, among others, the transmission time at which the transmission circuit 1014 transmits a scan instruction to the probe 1011, and the time at which the reception circuit 1015 receives echo data from the probe 1011. Optionally, when the transmitting circuit 1014 sends a scanning instruction to the probe 1011 according to the working timing sequence sent by the CPU1024, the electric signal corresponding to the scanning instruction is sent, and after the probe 1011 receives the electric signal corresponding to the scanning instruction, the electric signal may be converted into a sound signal to scan the human tissue to obtain the echo data. When receiving the echo data sent by the probe 1011, the receiving circuit 1015 receives an echo signal corresponding to the echo data, and the receiving circuit 1015 may perform preprocessing on the received echo data to obtain the echo data, optionally, the preprocessing may include amplification processing, time gain compensation processing, data conversion processing, and the like on the echo signal.

Optionally, the CPU1024 may send a control instruction to a first RDMA module in the first processor 1012, and correspondingly, the first RDMA module may receive the control instruction sent by the CPU1024 and transmit the echo data stored in the first memory 1012 to a second memory 1023 corresponding to the GPU1022 through the transmission bus 100 according to the received control instruction.

Optionally, the CPU1024 is further configured to allocate a data read address for reading data and a data write address for writing data in the second memory 1023, so that the first processor 1012 can read data from the data read address in the second memory 1023 or write echo data in the first memory 1013 into the data write address in the second memory 1023. Optionally, the CPU1024 may write the allocated data read Address and data write Address into a Base Address Register (BAR) of the first processor 1012 through the transmission bus 100, so that the first processor 1012 can read and use the data at any time. Similarly, the CPU1024 may also write the operation timing configured for the transmission circuit 1014 and the reception apparatus 1015 into a Base Address Register (BAR) on the first processor 1012 side through the transmission bus 100.

Optionally, the ultrasound imaging system further includes a third memory 1025 corresponding to the CPU1024, where the third memory 1025 is configured to store the reconstructed image sent by the GPU1022 to the CPU1024, and the CPU1024 is further configured to display the reconstructed image. Optionally, the CPU1024 may display the reconstructed image according to a display instruction input by the user based on the display instruction input interface; wherein, the display instruction carries the image identification of the reconstructed image. The reconstructed image obtained by processing the echo data by the GPU1022 may be sent to the CPU1024, and correspondingly, the CPU1024 may store the received reconstructed image in the third memory 1025 and display the reconstructed image on the reconstructed image display interface. Alternatively, the GPU1022 may also call a display device of the computer device 102 to display the obtained reconstructed image by using a preset application program interface. Alternatively, the display device may be a flat screen display, a printed form display, a two-dimensional display, a three-dimensional display, a static display, a mobile display, a sensory display, or the like.

In the ultrasound imaging system provided in this embodiment, the ultrasound imaging system further includes a central processing unit CPU connected to the bus switch, where the CPU is configured to send a scan instruction to the first processor, so that the first processor receives the scan instruction sent by the CPU, and sends the received scan instruction to the probe, so that the probe scans a human tissue to obtain echo data; in the process of transmitting the echo data by the first processor and the GPU, no CPU participates, so that the data transmission times can be reduced, the transmission time is shortened, and the data transmission efficiency is improved.

In an ultrasound imaging system provided in another embodiment, on the basis of the above embodiment, optionally, the first processor 1012 is a field programmable gate array FPGA or a digital signal processor DSP.

Specifically, the Field Programmable Gate Array (FPGA) Processor or the Digital Signal Processor (DSP) may be configured to transfer the echo data stored in the first memory 1013 into the second memory 1023 through the transmission bus 100.

Optionally, when the first processor 1012 is a DSP, the DSP is further configured to perform at least one of reconstruction processing on the echo data to obtain processed echo data or a reconstructed image corresponding to the echo data. When the DSP performs partial processing in the reconstruction processing on the echo data, the DSP may be configured to perform partial reconstruction processing operations such as complex demodulation, delay-superposition beam-forming, and the like on the echo data to obtain processed echo data, and send the processed echo data to the second memory 1023, so that the GPU1022 performs remaining reconstruction processing on the echo data to obtain a reconstructed image, the DSP shares part of the processing operations of the GPU1022, and reduces the data amount of the transmission data of the transmission bus 100, thereby accelerating the reconstruction process of the entire echo data and increasing the data reconstruction rate; when the DSP performs all processing in the reconstruction processing on the echo data, the DSP may obtain a reconstructed image corresponding to the echo data, and send the obtained reconstructed image to the CPU1024 through the transmission bus 100, so that the CPU1024 displays the obtained reconstructed image on a reconstructed image display interface.

In the ultrasound imaging system provided in this embodiment, the first processor is a field programmable gate array FPGA or a digital signal processor DSP, and when the first processor is the DSP, the DSP may be configured to perform partial reconstruction processing or all reconstruction processing such as complex demodulation, delay-superposition beam synthesis, and the like on the echo data, so as to obtain processed echo data or a reconstructed image corresponding to the echo data after processing. In this embodiment, the DSP may send part of the echo data after the reconstruction processing to the second memory, so that the GPU performs the remaining reconstruction processing on the echo data to obtain a reconstructed image, that is, the GPU and the DSP may perform the reconstruction physiology on the echo data in parallel, so that the DSP shares part of the processing work of the GPU, reduces the data amount of the transmission bus transmission data, accelerates the reconstruction process of the whole echo data, and improves the data reconstruction rate.

In another embodiment of the ultrasound imaging system, the GPU1022 is further configured to query whether the second memory 1023 stores echo data in real time or according to a preset period, so as to perform reconstruction processing on the echo data when the second memory is queried to store the echo data.

Specifically, the GPU1022 may query whether the second memory 1023 stores the echo data in real time or according to a preset period, so as to reconstruct the echo data in time to obtain a reconstructed image when the transmission of the echo data is completed. Optionally, after completing the transmission of the echo data to the second memory 1023, the first processor 1012 may generate interrupt information and send the generated interrupt information to the GPU 1022; wherein the interruption information may be used to indicate that the transmission of the echo data is complete. After receiving the interrupt information, the GPU1022 may perform reconstruction processing on the echo data stored in the second memory 1023 in time to obtain a reconstructed image.

In the ultrasound imaging system provided by this embodiment, the GPU is further configured to query whether the second memory stores the echo data in real time or according to a preset period, so as to reconstruct the echo data in time to obtain a reconstructed image when the transmission of the echo data is completed, and improve the processing efficiency of the echo data.

Fig. 3 is a flowchart of an ultrasound imaging data transmission method according to an embodiment. As shown in fig. 3, the ultrasound imaging data transmission method may include:

s301, the ultrasonic imaging equipment acquires echo data obtained by scanning human tissues by using the probe.

S302, the ultrasonic imaging device stores the obtained echo data in a first memory in the ultrasonic imaging device.

And S303, the first processor in the ultrasonic imaging is utilized in the ultrasonic imaging, and the echo data in the first memory is transmitted into a second memory corresponding to a GPU in the computer equipment through the bus exchanger.

S304, the computer device carries out reconstruction processing on the echo data stored in the second memory to obtain a reconstructed image corresponding to the echo data.

The implementation principle and technical effect of the ultrasound imaging data transmission method provided by this embodiment are similar to those of the ultrasound imaging system, and are not described herein again.

In another embodiment, there is provided an ultrasound imaging data transmission method, based on the embodiment shown in fig. 3, the ultrasound imaging data transmission method further includes: the ultrasonic imaging device transmits the echo data stored in the first memory to a second memory in the computer device through a transmission bus.

In an ultrasound imaging data transmission method provided in another embodiment, on the basis of the above embodiment, optionally, before the step S301, the ultrasound imaging data transmission method may further include:

the computer equipment sends a scanning instruction to the ultrasonic imaging equipment; correspondingly, the ultrasonic imaging device receives the scanning instruction sent by the computer device.

In an ultrasound imaging data transmission method provided in another embodiment, on the basis of the above embodiment, optionally, the ultrasound imaging data transmission method further includes: the GPU in the computer equipment sends the obtained reconstructed image to a CPU in the computer equipment; correspondingly, the CPU in the computer device receives the reconstructed image sent by the GPU and stores the received reconstructed image in a third memory corresponding to the CPU. Optionally, the CPU in the computer device displays the reconstructed image on a reconstructed image display interface.

In an ultrasound imaging data transmission method provided in another embodiment, on the basis of the above embodiment, optionally, the ultrasound imaging data transmission method further includes: when the first processor in the ultrasonic imaging device is a DSP, the ultrasonic imaging device performs at least one of reconstruction processing on the echo data to obtain processed echo data or a reconstructed image corresponding to the echo data.

In an ultrasound imaging data transmission method provided in another embodiment, on the basis of the above embodiment, optionally, the ultrasound imaging data transmission method further includes: and a transmitting circuit in the ultrasonic imaging equipment receives the scanning instruction sent by the first processor and sends the scanning instruction to a probe in the ultrasonic imaging equipment.

In an ultrasound imaging data transmission method provided in another embodiment, on the basis of the above embodiment, optionally, the ultrasound imaging data transmission method further includes: a receiving circuit in the ultrasonic imaging device receives the echo data transmitted by the probe and transmits the echo data back to the first processor.

In an ultrasound imaging data transmission method provided in another embodiment, on the basis of the above embodiment, optionally, the ultrasound imaging data transmission method further includes: the CPU in the computer device configures working time sequences for a transmitting circuit and a receiving circuit in the ultrasonic imaging device and sends the working time sequences to the ultrasonic imaging device.

In an ultrasound imaging data transmission method provided in another embodiment, on the basis of the above embodiment, optionally, the ultrasound imaging data transmission method further includes: and inquiring whether the echo data are stored in the second memory by the GPU in the ultrasonic imaging equipment in real time or according to a preset period so as to reconstruct the echo data when the echo data are stored in the second memory.

For specific definition of the ultrasound imaging data transmission method, reference may be made to the above definition of the ultrasound imaging system, which is not described herein again.

It should be understood that, although the steps in the flowchart of fig. 3 are shown in order as indicated by the arrows, the steps are not necessarily performed in order as indicated by the arrows. The steps are not performed in the exact order shown and described, and may be performed in other orders, unless explicitly stated otherwise. Moreover, at least a portion of the steps in fig. 3 may include multiple sub-steps or multiple stages that are not necessarily performed at the same time, but may be performed at different times, and the order of performance of the sub-steps or stages is not necessarily sequential, but may be performed in turn or alternately with other steps or at least a portion of the sub-steps or stages of other steps.

It will be appreciated by those of ordinary skill in the art that any reference to memory, storage, databases, or other media used in the embodiments provided herein can include non-volatile and/or volatile memory. Non-volatile memory can include read-only memory (ROM), Programmable ROM (PROM), Electrically Programmable ROM (EPROM), Electrically Erasable Programmable ROM (EEPROM), or flash memory. Volatile memory can include Random Access Memory (RAM) or external cache memory. By way of illustration and not limitation, RAM is available in a variety of forms such as Static RAM (SRAM), Dynamic RAM (DRAM), Synchronous DRAM (SDRAM), Double Data Rate SDRAM (DDRSDRAM), Enhanced SDRAM (ESDRAM), Synchronous Link DRAM (SLDRAM), Rambus Direct RAM (RDRAM), direct bus dynamic RAM (DRDRAM), and memory bus dynamic RAM (RDRAM).

The technical features of the above embodiments can be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the above embodiments are not described, but should be considered as the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above examples only express several embodiments of the present application, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the concept of the present application, which falls within the scope of protection of the present application. Therefore, the protection scope of the present patent shall be subject to the appended claims.

Claims

1. An ultrasound imaging system, characterized in that the system comprises: the system comprises an ultrasonic imaging device, a transmission bus, a bus exchanger and a computer device connected with the ultrasonic imaging device through the transmission bus; the ultrasonic imaging device comprises a probe, a first processor connected with the probe and a first memory corresponding to the first processor, and the computer device comprises a Graphics Processing Unit (GPU) connected with the bus exchanger through the transmission bus and a second memory corresponding to the GPU;

and the GPU is used for reconstructing the echo data stored in the second memory to obtain a reconstructed image corresponding to the echo data.

2. The system of claim 1, wherein the first processor comprises a first RDMA module; the first RDMA module is used for transmitting the echo data stored in the first memory into the second memory through the transmission bus.

3. The system of claim 1, further comprising a Central Processing Unit (CPU) coupled to the bus switch, the CPU configured to send scan instructions to the first processor, the first processor further configured to receive the scan instructions sent by the CPU.

4. The system of claim 3, further comprising a third memory corresponding to the CPU, wherein the third memory is configured to store the reconstructed image sent by the GPU to the CPU, and wherein the CPU is further configured to display the reconstructed image.

5. The system of claim 1, wherein the first processor is a Field Programmable Gate Array (FPGA) or a Digital Signal Processor (DSP).

6. The system of claim 5, wherein when the first processor is the DSP, the DSP is further configured to perform at least one of the reconstruction processes on the echo data to obtain processed echo data or a reconstructed image corresponding to the echo data.

7. The system of claim 3, further comprising a transmit circuit coupled to the first processor and the probe, respectively, the transmit circuit configured to receive the scan instructions from the first processor and configured to transmit the scan instructions to the probe.

8. The system of claim 7, further comprising a receiving circuit coupled to the first processor and the probe, respectively, for receiving the echo data and transmitting the echo data to the first processor.

9. The system of claim 8, wherein the CPU is further configured to configure operational timing for the transmit circuit and the receive circuit.

10. The system according to any one of claims 1 to 9, wherein the GPU is further configured to query whether the second memory stores the echo data in real time or according to a preset period, so as to perform reconstruction processing on the echo data when the second memory is queried to store the echo data.