CN111904467B

CN111904467B - Ultrasound imaging system

Info

Publication number: CN111904467B
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: 2023-09-26
Anticipated expiration: 2040-06-11
Also published as: CN111904467A

Abstract

The present application relates to an ultrasound imaging system comprising: the system comprises ultrasonic imaging equipment, a transmission bus, a bus exchanger and computer equipment connected with the ultrasonic imaging equipment 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 processor 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 providing a bus interface for the first processor to transmit the echo data stored in the first memory into the second memory through the transmission bus; 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 data transmission efficiency.

Description

Ultrasound imaging system

Technical Field

The application relates to the technical field of image processing, in particular to an ultrasonic imaging system.

Background

The ultrasonic imaging is to scan the human body by utilizing ultrasonic beam, and to receive and process the reflected signal to obtain the image of the organ in the body, so that the doctor can judge the position, size and shape of the organ with the obtained image to determine the range and physical property of the focus. With the continuous development of medical technology, the transmission and processing efficiency of ultrasonic echo data in the ultrasonic imaging technology is increasingly required.

In the conventional technology, in the process of processing ultrasonic echo data, when a graphics processor (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 (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, the conventional technology needs to transmit echo data for multiple times before the echo data is transmitted to the GPU for processing, resulting in lower transmission efficiency.

Disclosure of Invention

Based on this, it is necessary to provide an ultrasound imaging system aiming at the problem that the transmission efficiency is low because echo data needs to be transmitted into the GPU for processing after multiple transmissions in the conventional technology.

An embodiment of the present application provides an ultrasound imaging system, comprising: the system comprises ultrasonic imaging equipment, a transmission bus, a bus exchanger and computer equipment connected with the ultrasonic imaging equipment 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 processor 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 providing a bus interface for the first processor to transmit the echo data stored in the first memory into the second memory through the transmission bus;

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, a first processor and a GPU includes a first RDMA module to transfer echo data stored in a first memory into a second memory over a transfer bus.

In one embodiment, the system further includes a central processing unit CPU connected to the bus switch, the CPU configured to send a scan instruction to the first processor, and the first processor is 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 configured to store the reconstructed image sent by the GPU to the CPU, and the CPU is further configured 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 after processing.

In one embodiment, the system further comprises a transmitting circuit connected to the first processor and the probe, respectively, the transmitting circuit being 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 coupled to the first processor and the probe, respectively, the receiving circuit being configured to receive the echo data and transmit the echo data to the first processor.

In one embodiment, the CPU is further configured to configure the operational timing for the transmit circuit and the receive circuit.

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

In the ultrasound imaging system provided in this embodiment, the ultrasound imaging system includes: the system comprises ultrasonic imaging equipment, a transmission bus, a bus exchanger and computer equipment connected with the ultrasonic imaging equipment 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 processor 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 providing a bus interface for the first processor to transmit the echo data stored in the first memory into the second memory through the transmission bus; 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 data between the first processor and the GPU may be directly transmitted via the bus switch, without using other processors such as a CPU as a relay for transmission, so as to reduce the number of times of data transmission and reduce the transmission time, thereby improving the data transmission efficiency.

Drawings

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

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

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

Reference numerals illustrate:

100: transmission bus

101: an ultrasonic 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: and a third memory.

Detailed Description

The present application will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present application more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the application.

The ultrasonic imaging system provided by the application can be applied to an application environment in which human tissues are required to be scanned to obtain a reconstructed image corresponding to the human tissues, so that doctors can conveniently judge the position, the size, the shape and the like of the human tissues by using the reconstructed image to determine the range, the physical properties and the like of a focus. With the continuous development of medical technology, the transmission and processing efficiency of ultrasonic echo data in the ultrasonic imaging technology is increasingly required. In the conventional technology, in the processing process of 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 a third memory corresponding to a central processing unit CPU of a computer device connected with 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, that is, the echo data needs to be transferred by the CPU and then can be transferred to the second memory corresponding to the GPU, so that the echo data can be transferred to the GPU for processing after being transferred for multiple times, and the transmission efficiency is low. The ultrasonic imaging system provided by the application aims to solve the problem of lower transmission efficiency caused by the fact that echo data can be transmitted into the GPU for processing after being transmitted for many times in the traditional technology.

The technical scheme of the application is described in detail below by specific examples. The following embodiments may be combined with each other, and the same or similar concepts or processes may not be described in detail in some embodiments.

Fig. 1 is an ultrasound imaging system provided in 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 ultrasonic imaging apparatus 101 includes a probe 1011, a first processor 1012 connected to the probe 1011, and a first memory 1013 corresponding to the first processor 1012, and the computer apparatus 102 includes a graphics processor GPU1022 connected to the bus switch 1021 via the transmission bus 100, and a second memory 1023 corresponding to the GPU1022; a first memory 1013 for storing echo data obtained by scanning a human tissue by the probe 1011; a bus switch 1021 for providing a bus interface for the first processor 1012 to transfer echo data stored in the first memory 1013 to the second memory 1023 via the transmission bus 100; the GPU1022 is configured to reconstruct the echo data stored in the second memory 1023 to obtain a reconstructed image corresponding to the echo data.

In particular, the transmission 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 apparatus 101 may be an a-type ultrasonic imaging apparatus 101, an M-type ultrasonic imaging apparatus 101, a B-type ultrasonic imaging apparatus 101, a D-type ultrasonic imaging apparatus, a C-type ultrasonic imaging apparatus, or the like, which is not limited in this embodiment; the computer device 102 may be a notebook, desktop, all-in-one machine, or the like computer device 102 including the GPU1022, and the specific form of the computer device 102 is not limited in this embodiment.

It should be noted that the structure of the computer device 102 provided in this embodiment is merely a block diagram of a part of the structure related to the present application, and does not limit 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 may combine some components, or have a different arrangement of components.

The ultrasound imaging device 101 may include a probe 1011, a first processor 1012, and a first memory 1013, the probe 1011 being connected to the first processor 1012, the first memory 1013 being a memory corresponding to the first processor 1012. Wherein the probe 1011 is used to scan human tissue (human tissue such as placenta, liver, brain, etc.) to obtain echo data and store the obtained echo data in the first memory 1013, and the first processor 1012 is used to transfer the echo data stored in the first memory 1013 to the second memory 1023 through the transfer bus 100. Alternatively, the first processor 1012 may be an application specific integrated circuit (Application Specific Integrated Circuit, ASIC) processor. The GPU1022 is a microprocessor that is specially used for performing image and graphics related operations on a personal computer, a workstation, and a game console, and in the embodiment of the present application, the GPU1022 is used for performing reconstruction processing on echo data stored in the second memory 1023 to obtain a reconstructed image corresponding to the echo data. Alternatively, the number of the first processors 1013 and the first memories 1014 can be one or more.

Alternatively, the bus exchanger 1021 may be independent of the ultrasound imaging device 101 and the computer device 102, or may be integrated into the ultrasound imaging device 101 or the computer device 102, which is not limited in this embodiment. Further, the 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 connected to the GPU1022 via a bus switch 1021, the second memory 1023 being a memory corresponding to the GPU1022. The bus switch 1021 is configured to provide a bus interface for the first processor 1012 and the GPU1022 to transmit echo data, that is, the first processor 1012 and the GPU1022 can directly transmit echo data via the bus switch 1021 without any other processor such as a CPU as a relay, that is, the first processor 1012 does not need to transmit echo data to the CPU first and then the CPU transmits echo data to the GPU1022. Alternatively, the GPU1022 may store data in 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 mutually transmit data 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 complex demodulation, delay-and-overlap beam synthesis, phase compensation, coherent recombination, envelope extraction, logarithmic compression, and the like, where it should be noted that the process of performing reconstruction processing on echo data to obtain a reconstructed image corresponding to the echo data may be implemented by any mode in the prior art, and the process of obtaining the reconstructed image by using the echo data is not limited in this embodiment.

In an ultrasound imaging system of another embodiment, optionally in addition to the above embodiments, the first processor 1012 includes a first RDMA module for transferring echo data stored in the first memory 1013 to the second memory 1023 via the transmission bus 100.

In particular, the memory address of the echo data in the second memory 1023 may be configured before the first processor 1012 transmits the echo data to the GPU1022. The first processor 1012 may include a first RDMA module implementing RDMA functionality, which may be a remote direct data access functionality, for transferring echo data stored in the first memory 1013 into the second memory 1023. 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 memory address of the data read by the first RDMA module from the second memory 1023 may be a pre-configured 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 transferred between the first processor 1012 and the GPU1022 via the transfer bus 100.

In the ultrasound imaging system provided in 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 into the second memory through the transmission bus. In the process of transmitting echo data by the first processor and the GPU, the first processor can directly transmit the echo data to the GPU by utilizing the included first RDMA module, and other processors such as a CPU (Central processing Unit) are not needed to transmit the echo data as a transfer, so that the number of times of data transmission is reduced, the transmission time is shortened, and the data transmission efficiency is improved.

Fig. 2 is an ultrasound imaging system provided in another embodiment. Optionally, the 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 instructions are used to instruct the probe 1011 to scan echo data obtained from human tissue. The CPU1024 may transmit a scan instruction to the first processor 1012 via the bus switch 1021 over the bus, and correspondingly, the first processor 1012 may receive the execution scan instruction transmitted by the CPU1024 and transmit the scan instruction to the probe 1011 so that the probe 1011 scans the human tissue.

Optionally, the above-mentioned ultrasonic imaging system further includes a transmitting circuit 1014 connected to the first processor 1012 and the probe 1011, respectively, and the transmitting circuit 1014 is configured to receive the scanning instruction sent by the first processor 1012 and to send the scanning 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 adapted to receive echo data and to transmit echo data to the first processor 1012. Correspondingly, the CPU1024 is also used to configure the operation timing for the transmitting circuit 1014 and the receiving circuit 1015. The operation timing may include, among others, a transmission time at which the transmission circuit 1014 transmits a scanning instruction to the probe 1011, and a time at which the reception circuit 1015 receives echo data from the probe 1011. Optionally, when the transmitting circuit 1014 sends a scanning command to the probe 1011 according to the working sequence sent by the CPU1024, an electrical signal corresponding to the scanning command is sent, and after the probe 1011 receives the electrical signal corresponding to the scanning command, the electrical signal can be converted into an acoustic signal, so as to scan the human tissue to obtain echo data. When the receiving circuit 1015 receives the echo data sent by the probe 1011, it receives an echo signal corresponding to the echo data, and the receiving circuit 1015 may perform preprocessing on the received echo data to obtain echo data, where the preprocessing may include amplifying the echo signal, time gain compensation, and data conversion.

Optionally, the CPU1024 may send a control instruction to a first RDMA module in the first processor 1012, and the corresponding first RDMA module may receive the control instruction sent by the CPU1024, and transfer 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 of the read data and a data write address of the write data in the second memory 1023 for the first processor 1012 to read data from the data read address in the second memory 1023 or write echo data in the first memory 1013 to the data write address in the second memory 1023. Optionally, the CPU1024 may write the allocated data read address and data write address into the base address register (Base Address Registe, BAR) at the end of the first processor 1012 via the transmission bus 100 for ready reading by the first processor 1012. Similarly, the CPU1024 may also write the operation timing configured for the transmitting circuit 1014 and the receiving electric appliance 1015 to the base address register (Base Address Registe, BAR) at the end of the first processor 1012 via the transmission bus 100.

Optionally, the above 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; the display instruction carries an image identifier 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. Optionally, the GPU1022 may also invoke the display device of the computer device 102 to display the obtained reconstructed image by using an application program interface preset in the application. 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 sensor display, or the like.

In the ultrasound imaging system provided by the embodiment, the ultrasound imaging system further comprises a Central Processing Unit (CPU) connected with the bus exchanger, wherein the CPU is used for sending a scanning instruction to the first processor, so that the first processor receives the scanning instruction sent by the CPU and sends the received scanning instruction to the probe, and the probe scans human tissues to obtain echo data; in the process of transmitting echo data, the first processor and the GPU do not participate in the CPU, so that the number of data transmission times can be reduced, the transmission time is shortened, and the data transmission efficiency is improved.

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

Specifically, the field programmable gate array (Field Programmable Gate Array, FPGA) processor or digital signal processor (Digital Signal Processor, DSP) may be used to transfer the echo data stored in the first memory 1013 to the second memory 1023 via 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 after processing. When the DSP performs part of the reconstruction processing on the echo data, the DSP may be used to perform part of the reconstruction processing operations such as complex demodulation, delay-and-overlap beam synthesis on the echo data, to obtain processed echo data after the processing, and send the processed echo data to the second memory 1023, so that the GPU1022 performs the rest of the reconstruction processing on the echo data to obtain a reconstructed image, and the DSP shares the processing operation of part of the GPU1022, so that the data volume of the transmission data of the transmission bus 100 is reduced, thereby accelerating the reconstruction process of the whole echo data, and improving the data reconstruction rate; when the DSP performs all the processes in the reconstruction process 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 the 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 a DSP, the DSP may be configured to perform partial reconstruction processing or all reconstruction processing operations such as complex demodulation, delay-overlap beam synthesis, and the like on echo data, so as to obtain processed echo data after processing or a reconstructed image corresponding to the echo data. In this embodiment, the DSP may send the echo data after the partial reconstruction processing to the second memory, so that the GPU performs the residual 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 the processing work of the partial GPU, reduces the data amount of the transmission data of the transmission bus, thereby accelerating the reconstruction process of the whole echo data, and improving the data reconstruction rate.

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

Specifically, the GPU1022 may query whether the second memory 1023 stores echo data according to 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. Alternatively, the first processor 1012 may generate interrupt information after completing the transmission of the echo data to the second memory 1023, and transmit the generated interrupt information to the GPU1022; wherein the interrupt information may be used to indicate that the echo data transmission is complete. After the GPU1022 receives the interrupt information, the echo data stored in the second memory 1023 may be timely reconstructed to obtain a reconstructed image.

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

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

s301, the ultrasound imaging apparatus acquires echo data obtained by scanning human tissue with a probe.

S302, the ultrasound imaging apparatus stores the obtained echo data in a first memory in the ultrasound imaging apparatus.

S303, ultrasonic imaging utilizes a first processor in ultrasonic imaging to transmit the echo data in the first memory into a second memory corresponding to the GPU in the computer equipment through a bus exchanger.

S304, the computer equipment carries 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 implementation principle and technical effects of the ultrasound imaging data transmission method provided in this embodiment are similar to those of the ultrasound imaging system described above, and will not be described here again.

In another embodiment of the present application, on the basis of the embodiment shown in fig. 3, the method for transmitting ultrasound imaging data further includes: the ultrasound imaging device transfers the echo data stored in the first memory to a second memory in the computer device via a transmission bus.

In the ultrasound imaging data transmission method provided in another embodiment, optionally, before 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 a scanning instruction sent by the computer device.

In another embodiment of the present application, in the ultrasound imaging data transmission method, 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, a CPU in the computer equipment receives the reconstructed image sent by the GPU and stores the received reconstructed image in a third memory corresponding to the CPU. Optionally, a CPU in the computer device displays the reconstructed image on a reconstructed image display interface.

In another embodiment of the present application, in the ultrasound imaging data transmission method, 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 the reconstruction processing on the echo data to obtain processed echo data or a reconstructed image corresponding to the echo data after the processing.

In another embodiment of the present application, in the ultrasound imaging data transmission method, on the basis of the above embodiment, optionally, the ultrasound imaging data transmission method further includes: a transmitting circuit in the ultrasound imaging device receives the scan instruction sent by the first processor and sends the scan instruction to a probe in the ultrasound imaging device.

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

In another embodiment of the present application, in the ultrasound imaging data transmission method, on the basis of the above embodiment, optionally, the ultrasound imaging data transmission method further includes: a CPU in the computer device configures the operation timing for a transmitting circuit and a receiving circuit in the ultrasonic imaging device, and transmits the operation timing to the ultrasonic imaging device.

In another embodiment of the present application, in the ultrasound imaging data transmission method, on the basis of the above embodiment, optionally, the ultrasound imaging data transmission method further includes: and the GPU in the ultrasonic imaging equipment inquires whether the echo data are stored in the second memory in real time or according to a preset period, so that the echo data are reconstructed when the echo data are inquired to be stored in the second memory.

For specific limitations of the ultrasound imaging data transmission method, reference may be made to the limitations of the ultrasound imaging system described above, and no further description is given here.

It should be understood that, although the steps in the flowchart of fig. 3 are shown in sequence as indicated by the arrows, the steps are not necessarily performed in sequence as indicated by the arrows. The steps are not strictly limited to the order of execution unless explicitly recited herein, and the steps may be executed in other orders. Moreover, at least some of the steps in fig. 3 may include multiple sub-steps or stages that are not necessarily performed at the same time, but may be performed at different times, nor do the order in which the sub-steps or stages are performed necessarily performed in sequence, but may be performed alternately or alternately with at least a portion of the sub-steps or stages of other steps or other steps.

It will be appreciated by those of ordinary skill in the art that any reference to memory, storage, database, or other medium used in the embodiments provided herein may include non-volatile and/or volatile memory. The nonvolatile 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), memory bus direct RAM (RDRAM), direct memory bus dynamic RAM (DRDRAM), and memory bus dynamic RAM (RDRAM), among others.

The technical features of the above embodiments may be arbitrarily combined, and all possible combinations of the technical features in the above embodiments are not described for brevity of description, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description.

The foregoing examples illustrate only a few embodiments of the application, which are described in detail and are not to be construed as limiting the scope of the application. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the application, which are all within the scope of the application. Accordingly, the scope of protection of the present application is to be determined by the appended claims.

Claims

1. An ultrasound imaging system, the system comprising: the system comprises ultrasonic imaging equipment, a transmission bus, a bus exchanger and computer equipment connected with the ultrasonic imaging equipment 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 graphic processor GPU connected with the bus exchanger through the transmission bus and a second memory corresponding to the GPU;

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 second memory is configured to receive and store echo data stored in the first memory, and/or receive and store processed echo data sent by the first processor.

2. The system of claim 1, wherein the first processor comprises a first RDMA module; the first RDMA module is configured to transfer 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, the third memory for storing the reconstructed image sent by the GPU to the CPU, the CPU further for displaying 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. A system according to claim 3, further comprising a transmitting circuit coupled to the first processor and the probe, respectively, the transmitting circuit being configured to receive the scan instructions sent by the first processor and to send the scan instructions to the probe.

8. The system of claim 7, further comprising a receive circuit coupled to the first processor and the probe, respectively, the receive circuit configured to receive the echo data and transmit 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, in real time or according to a preset period, whether the echo data is stored in the second memory, so as to reconstruct the echo data when the echo data is queried to be stored in the second memory.