CN107970041B - Method, device and equipment for identifying flow direction of contrast agent - Google Patents
Method, device and equipment for identifying flow direction of contrast agent Download PDFInfo
- Publication number
- CN107970041B CN107970041B CN201711484761.9A CN201711484761A CN107970041B CN 107970041 B CN107970041 B CN 107970041B CN 201711484761 A CN201711484761 A CN 201711484761A CN 107970041 B CN107970041 B CN 107970041B
- Authority
- CN
- China
- Prior art keywords
- contrast
- contrast agent
- flow direction
- ultrasonic
- ultrasound
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B8/00—Diagnosis using ultrasonic, sonic or infrasonic waves
- A61B8/48—Diagnostic techniques
- A61B8/481—Diagnostic techniques involving the use of contrast agent, e.g. microbubbles introduced into the bloodstream
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B8/00—Diagnosis using ultrasonic, sonic or infrasonic waves
- A61B8/46—Ultrasonic, sonic or infrasonic diagnostic devices with special arrangements for interfacing with the operator or the patient
- A61B8/461—Displaying means of special interest
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B8/00—Diagnosis using ultrasonic, sonic or infrasonic waves
- A61B8/52—Devices using data or image processing specially adapted for diagnosis using ultrasonic, sonic or infrasonic waves
- A61B8/5207—Devices using data or image processing specially adapted for diagnosis using ultrasonic, sonic or infrasonic waves involving processing of raw data to produce diagnostic data, e.g. for generating an image
Abstract
The embodiment of the invention provides a method, a device and equipment for marking the flow direction of a contrast agent, which are used for acquiring an ultrasonic contrast image of a region of interest in an ultrasonic contrast examination state during contrast examination; analyzing the ultrasonic contrast image to acquire the flow direction of a contrast agent in the ultrasonic contrast image; each flow direction of the contrast agent is identified. Therefore, the contrast agents in different flowing directions are marked in different modes, the accuracy of ultrasonic contrast imaging is improved, and the ultrasonic contrast diagnosis of a doctor is facilitated through the marking of the flowing directions of the contrast agents.
Description
Technical Field
The invention relates to the technical field of ultrasonic diagnostic equipment, in particular to a method, a device and equipment for marking the flow direction of a contrast agent.
Background
Compared with CT and MRI (Magnetic resonance imaging), the ultrasonic diagnosis has the advantages of less radiation, low cost, convenient operation and the like, so that the ultrasonic diagnosis becomes the primary clinical examination means. The ultrasonic contrast technology utilizes contrast agent to enhance scattered echo, and can effectively improve the resolution, sensitivity and specificity of ultrasonic diagnosis. Ultrasound contrast imaging is therefore a third revolution in ultrasound technology.
However, in the prior art, the flow direction of the contrast agent cannot be determined by the ultrasonic contrast imaging technology, which brings certain inconvenience to the ultrasonic contrast diagnosis.
Disclosure of Invention
In view of this, embodiments of the present invention provide a method, an apparatus, and a device for identifying a flow direction of a contrast medium, which solve the problem in the prior art that a doctor cannot accurately diagnose a disease condition because the flow direction of the contrast medium cannot be determined, and in particular, when performing an angiography, the doctor cannot determine which fallopian tube is determined according to the ultrasound angiography because it is uncertain from which fallopian tube the contrast medium flows out.
The method for identifying the flow direction of the contrast agent provided by the embodiment of the invention comprises the following steps:
acquiring an ultrasonic contrast image of a region of interest in an ultrasonic contrast examination state;
analyzing the ultrasonic contrast image to acquire the flow direction of a contrast agent in the ultrasonic contrast image;
each flow direction of the contrast agent is identified.
Optionally, the analyzing the ultrasound contrast image includes:
acquiring ultrasonic signals of the region of interest at different moments;
carrying out self-correlation and cross-correlation processing on the ultrasonic signals to obtain the flow velocity of the contrast agent on the region of interest;
determining a flow direction of the contrast agent according to the property of the flow velocity of the contrast agent.
Optionally, the identifying each flow direction of the contrast agent includes:
determining the color of the mark of each flow direction respectively;
and aiming at any one flow direction, marking the contrast agent in the direction by adopting the color of the mark corresponding to the flow direction.
Optionally, the method further includes:
a voltage and a scan frequency at which microbubbles of the contrast agent do not collapse are determined for an ultrasound contrast examination.
Optionally, after identifying each flow direction of the contrast agent, the method further includes:
outputting an ultrasound contrast image of the region of interest.
The embodiment of the present invention further provides a device for identifying a flow direction of a contrast medium, including:
an acquisition unit configured to acquire an ultrasound contrast image of a region of interest in an ultrasound contrast examination state;
the analysis unit is used for analyzing the ultrasonic contrast image and acquiring the flow direction of a contrast agent in the ultrasonic contrast image;
an identification unit that identifies each flow direction of the contrast agent.
Optionally, the parsing unit includes:
the acquisition subunit is used for acquiring ultrasonic signals of the region of interest at different moments;
the processing subunit is used for performing autocorrelation and cross-correlation processing on the ultrasonic signals to obtain the flow velocity of the contrast agent in the region of interest;
a first determining subunit, configured to determine a flow direction of the contrast agent according to an attribute of a flow velocity of the contrast agent.
Optionally, the identification unit includes:
a second determining subunit, configured to determine a color of the identifier for each flow direction, respectively;
and the identification subunit is used for identifying the contrast agent in any flow direction by adopting the color of the identification corresponding to the flow direction.
Optionally, the method further includes:
a determination unit for determining a voltage and a scanning frequency of an ultrasound contrast examination at which microbubbles of the contrast agent are not disrupted.
An embodiment of the present invention further provides an apparatus for identifying a flow direction of a contrast medium, including:
a memory and a processor;
the memory is connected with the processor and is used for storing programs and data generated in the program running process;
the processor is configured to execute a program stored in the memory, and when the program is executed by the processor, the method for identifying the flow direction of the contrast medium is implemented.
The embodiment of the invention provides a method for marking the flow direction of a contrast agent, which is used for acquiring an ultrasonic contrast image of a region of interest in an ultrasonic contrast examination state during contrast examination; analyzing the ultrasonic contrast image to acquire the flow direction of a contrast agent in the ultrasonic contrast image; each flow direction of the contrast agent is identified. Therefore, the contrast agents in different flowing directions are marked in different modes, the accuracy of ultrasonic contrast imaging is improved, and the ultrasonic contrast diagnosis of a doctor is facilitated through the marking of the flowing directions of the contrast agents.
In addition, if the ultrasound contrast image includes the fallopian tube, since the direction of the contrast agent flowing out from different fallopian tubes is different, the contrast agent flowing out from which fallopian tube can be clearly seen from the ultrasound contrast image, and convenience is provided for a doctor to diagnose the disease condition.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
Fig. 1 is a schematic flow chart illustrating a method for identifying a flow direction of a contrast agent according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram illustrating an apparatus for identifying a flow direction of a contrast medium according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of an apparatus for identifying a flow direction of a contrast medium according to an embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1, a flow chart of a method for identifying a flow direction of a contrast agent according to an embodiment of the present invention is shown, in the embodiment, the method includes:
s101: acquiring an ultrasonic contrast image of a region of interest in an ultrasonic contrast examination state;
in this embodiment, when an ultrasound contrast examination needs to be performed, an ultrasound contrast examination instruction input by a user is received, and the ultrasound contrast examination is triggered.
Before the ultrasonic contrast examination is executed, the method also comprises the step of starting the ultrasonic examination and the pre-examination process of the ultrasonic contrast, and specifically comprises the following steps:
1) scanning a region to be detected in an ultrasonic diagnosis mode;
2) extracting a region of interest in the region to be detected and locking the region of interest in a contrast examination mode;
when some tissues and organs are examined, a region of interest to be examined cannot be found directly in many cases, and therefore the region of interest including the region of interest needs to be scanned, and the region of interest to be examined is found in the region of interest to be examined. In this embodiment, after the ultrasound examination is started, the ultrasound diagnosis mode is entered, and in this mode, the user can scan the relevant area to be diagnosed.
For example, the following steps are carried out: if gynecological examination is performed, especially fallopian tube examination, areas such as pelvic cavity and adnexa can be scanned.
In this embodiment, after the ultrasound examination is started, if contrast examination needs to be performed, a pre-activation contrast function needs to be entered, where after a contrast agent is injected into a tissue and an organ to be examined, the pre-activation contrast function is triggered, and in this function, a region to be examined is scanned, a region of interest is extracted, and the region of interest is locked. For example: if the fallopian tube is inspected, the areas such as the pelvic cavity, the accessories and the like can be scanned and locked.
In this embodiment, when performing an ultrasound contrast examination, contrast agent is injected into a subject and a contrast examination is triggered, so that a user or a doctor can observe the development of the contrast agent through an image.
S102: analyzing the ultrasonic contrast image to acquire the flow direction of a contrast agent in the ultrasonic contrast image;
the ultrasound contrast image may be analyzed by various methods, which are not limited in this example.
For example, an autocorrelation estimation method may be adopted, and specifically, S102 includes:
acquiring ultrasonic signals of the region of interest at different moments;
carrying out self-correlation and cross-correlation processing on the ultrasonic signals to obtain the flow velocity of the contrast agent on the region of interest;
determining a flow direction of the contrast agent according to the property of the flow velocity of the contrast agent.
In this embodiment, in an angiography examination mode, acquired ultrasound signals are mixed to obtain IQ two-path orthogonal analysis signals, and the orthogonal analysis signals are assumed to be f (n); the ultrasound contrast image obtained in the scanning coordinate system is denoted as fi,j(n); wherein, scanning the coordinate system and including: i. j and an Ensemble direction, i and j are line numbers in the line direction and point numbers in the point direction, and ensembles are the number of times of repeated scanning on one scanning line, and in the embodiment, the ultrasonic signals of the attention area at different moments can be acquired; the analytic process is shown in formula 1):
wherein ". dot" is convolution operator, (x)*To take x conjugation. f (n) represents the value of the ultrasound signal at time n, and f (n + τ) represents the value of the ultrasound contrast image at time n + τ.
In the present embodiment, the velocity of the ultrasound signal, i.e. the velocity of the contrast agent, may be calculated only for R (0) and R (1), as shown in equation 2) and equation 3):
wherein, R (0) represents that the ultrasonic signal at the current moment and the ultrasonic signal at the current moment are subjected to autocorrelation operation, and R (1) represents that the ultrasonic signal at the current moment and the ultrasonic signal at the previous moment are subjected to cross-correlation operation;
wherein V ═ R (1) represents the velocity of the contrast agent.
In this embodiment, in order to make the velocity of the contrast agent more accurate, the method may further include the steps of wall filtering, sparkle suppression, smoothing, threshold processing, and the like.
Wherein, when the step of threshold processing is performed, the threshold may be
In this embodiment, the direction of the contrast agent includes: the positive and negative directions are opposite, so the direction of flow of the contrast agent can be determined by the positive and negative values of the velocity.
S103: identifying each flow direction of the contrast agent;
in this embodiment, the contrast agent for determining the flow direction may be identified in various manners, for example, the contrast agent may be identified by a preset color, or the contrast agent may be identified by a fluorescence labeling method.
Wherein, if the flow direction of the contrast medium of confirming includes a plurality ofly, can adopt different colours to carry out the code sign to the contrast medium, it is specific, S103 includes:
determining the color of the mark of each flow direction respectively;
and aiming at any one flow direction, marking the contrast agent in the direction by adopting the color of the mark corresponding to the flow direction.
For example, the following steps are carried out: if the fallopian tube is examined, the ultrasound contrast image includes contrast agent flowing out from both fallopian tubes, that is, the two flowing directions of the detected contrast agent are two, and the contrast agent in the two flowing directions can be identified by different colors.
In this embodiment, if the ultrasound contrast image is desired to be obtained, it is necessary to ensure that the microbubbles of the contrast agent are not ruptured, and the conditions for ensuring that the microbubbles of the contrast agent are not ruptured include a specific voltage and a specific scanning frequency. Wherein, predetermined voltage is a lower magnitude of voltage, and this magnitude of voltage guarantees to be in predetermined voltage range can, and predetermined scanning frequency also is a lower scanning frequency, and this scanning frequency guarantees to be in predetermined within range can, specifically, still include:
a voltage and a scan frequency at which microbubbles of the contrast agent do not collapse are determined for an ultrasound contrast examination.
The preset voltage and the preset scanning frequency may be calculated by a technician according to a related algorithm, or may be obtained by the technician according to experience.
In this embodiment, after identifying the flow direction of the contrast agent, the user can not only view the contrast agent in the ultrasound contrast image, but also display the contrast agent in the output ultrasound contrast image.
In the present embodiment, the first and second electrodes are,
acquiring an ultrasonic contrast image of a region of interest in an ultrasonic contrast examination state during contrast examination; analyzing the ultrasonic contrast image to acquire the flow direction of a contrast agent in the ultrasonic contrast image; each flow direction of the contrast agent is identified. Therefore, the contrast agents in different flowing directions are marked in different modes, the accuracy of ultrasonic contrast imaging is improved, and the ultrasonic contrast diagnosis of a doctor is facilitated through the marking of the flowing directions of the contrast agents.
In addition, if the ultrasound contrast image includes the fallopian tube, since the direction of the contrast agent flowing out from different fallopian tubes is different, the contrast agent flowing out from which fallopian tube can be clearly seen from the ultrasound contrast image, and convenience is provided for a doctor to diagnose the disease condition.
Referring to fig. 2, a schematic structural diagram of an apparatus for identifying a flow direction of a contrast medium according to an embodiment of the present invention is shown, and in this embodiment, the apparatus includes:
an acquisition unit 201, configured to acquire an ultrasound contrast image of a region of interest in an ultrasound contrast examination state;
an analyzing unit 202, configured to analyze the ultrasound contrast image, and obtain a flow direction of a contrast agent in the ultrasound contrast image;
an identification unit 203 identifies each flow direction of the contrast agent.
Optionally, the parsing unit includes:
the acquisition subunit is used for acquiring ultrasonic signals of the region of interest at different moments;
the processing subunit is used for performing autocorrelation and cross-correlation processing on the ultrasonic signals to obtain the flow velocity of the contrast agent in the region of interest;
a first determining subunit, configured to determine a flow direction of the contrast agent according to an attribute of a flow velocity of the contrast agent.
Optionally, the identification unit includes:
a second determining subunit, configured to determine a color of the identifier for each flow direction, respectively;
and the identification subunit is used for identifying the contrast agent in any flow direction by adopting the color of the identification corresponding to the flow direction.
Optionally, the method further includes:
a determination unit for determining a voltage and a scanning frequency of an ultrasound contrast examination at which microbubbles of the contrast agent are not disrupted.
Optionally, the method further includes:
an output unit for outputting an ultrasound contrast image of the region of interest.
Through the device of this embodiment, contrast medium on the different flow direction has adopted different modes to carry out the sign, has improved the degree of accuracy that ultrasonic contrast was imaged, and the sign through the flow direction of contrast medium is favorable to the doctor to carry out ultrasonic contrast diagnosis.
In addition, if the ultrasound contrast image includes the fallopian tube, since the direction of the contrast agent flowing out from different fallopian tubes is different, the contrast agent flowing out from which fallopian tube can be clearly seen from the ultrasound contrast image, and convenience is provided for a doctor to diagnose the disease condition.
Referring to fig. 3, a schematic structural diagram of an apparatus for identifying a flow direction of a contrast agent according to an embodiment of the present invention is shown, in this embodiment, the apparatus includes:
a memory 301 and a processor 302;
the memory is connected with the processor and is used for storing programs and data generated in the program running process;
the processor is used for realizing the following functions by running the program stored in the memory:
acquiring an ultrasonic contrast image of a region of interest in an ultrasonic contrast examination state;
analyzing the ultrasonic contrast image to acquire the flow direction of a contrast agent in the ultrasonic contrast image;
each flow direction of the contrast agent is identified.
Optionally, the analyzing of the ultrasound contrast image is specifically configured to:
acquiring ultrasonic signals of the region of interest at different moments;
carrying out self-correlation and cross-correlation processing on the ultrasonic signals to obtain the flow velocity of the contrast agent on the region of interest;
determining a flow direction of the contrast agent according to the property of the flow velocity of the contrast agent.
Optionally, the identifying each flow direction of the contrast agent is specifically configured to:
determining the color of the mark of each flow direction respectively;
and aiming at any one flow direction, marking the contrast agent in the direction by adopting the color of the mark corresponding to the flow direction.
Optionally, the method is further used for:
a voltage and a scan frequency at which microbubbles of the contrast agent do not collapse are determined for an ultrasound contrast examination.
Optionally, after identifying each flow direction of the contrast agent, the method further comprises:
outputting an ultrasound contrast image of the region of interest.
Through the equipment of this embodiment, contrast medium on the different flow direction has adopted different modes to carry out the sign, has improved the degree of accuracy that ultrasonic contrast was imaged, and the sign through the flow direction of contrast medium is favorable to the doctor to carry out ultrasonic contrast diagnosis.
In addition, if the ultrasound contrast image includes the fallopian tube, since the direction of the contrast agent flowing out from different fallopian tubes is different, the contrast agent flowing out from which fallopian tube can be clearly seen from the ultrasound contrast image, and convenience is provided for a doctor to diagnose the disease condition.
It should be noted that, in the present specification, the embodiments are all described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments may be referred to each other.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (3)
1. An apparatus for identifying a direction of flow of a contrast agent, comprising:
an acquisition unit configured to acquire an ultrasound contrast image of a region of interest in an ultrasound contrast examination state;
the analysis unit is used for analyzing the ultrasonic contrast image and acquiring the flow direction of a contrast agent in the ultrasonic contrast image;
an identification unit that identifies each flow direction of the contrast agent; the identification unit comprises: a second determining subunit, configured to determine a color of the identifier for each flow direction, respectively; the identification subunit is used for identifying the contrast agent in any flow direction by adopting the color of the identification corresponding to the flow direction;
wherein the parsing unit includes:
the acquisition subunit is used for acquiring ultrasonic signals of the region of interest at different moments;
the processing subunit is used for performing autocorrelation and cross-correlation processing on the ultrasonic signals to obtain the flow velocity of the contrast agent in the region of interest; wherein the performing autocorrelation processing on the ultrasound signal comprises: carrying out autocorrelation operation on the ultrasonic signal at the current moment and the ultrasonic signal at the current moment; performing cross-correlation processing on the ultrasound signals, including: performing cross-correlation operation on the ultrasonic signal at the current moment and the ultrasonic signal at the previous moment;
a first determining subunit, configured to determine a flow direction of the contrast agent according to an attribute of a flow velocity of the contrast agent.
2. The apparatus of claim 1, further comprising:
a determination unit for determining a voltage and a scanning frequency of an ultrasound contrast examination at which microbubbles of the contrast agent are not disrupted.
3. An apparatus for identifying a flow direction of a contrast agent, comprising:
a memory and a processor;
the memory is connected with the processor and is used for storing programs and data generated in the program running process;
the processor is used for executing the program stored in the memory, and acquiring an ultrasonic contrast image of a region of interest in an ultrasonic contrast examination state when the program is executed by the processor; analyzing the ultrasonic contrast image to acquire the flow direction of a contrast agent in the ultrasonic contrast image; identifying each flow direction of the contrast agent; wherein said identifying each flow direction of the contrast agent comprises: determining the color of the mark of each flow direction respectively; aiming at any one flow direction, marking the contrast agent in the direction by adopting the color of the mark corresponding to the flow direction;
wherein the analyzing the ultrasound contrast image comprises:
acquiring ultrasonic signals of the region of interest at different moments;
carrying out self-correlation and cross-correlation processing on the ultrasonic signals to obtain the flow velocity of the contrast agent on the region of interest; wherein the performing autocorrelation processing on the ultrasound signal comprises: carrying out autocorrelation operation on the ultrasonic signal at the current moment and the ultrasonic signal at the current moment; performing cross-correlation processing on the ultrasound signals, including: performing cross-correlation operation on the ultrasonic signal at the current moment and the ultrasonic signal at the previous moment;
determining a flow direction of the contrast agent according to the property of the flow velocity of the contrast agent.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711484761.9A CN107970041B (en) | 2017-12-29 | 2017-12-29 | Method, device and equipment for identifying flow direction of contrast agent |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711484761.9A CN107970041B (en) | 2017-12-29 | 2017-12-29 | Method, device and equipment for identifying flow direction of contrast agent |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107970041A CN107970041A (en) | 2018-05-01 |
| CN107970041B true CN107970041B (en) | 2021-05-14 |
Family
ID=62005490
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711484761.9A Active CN107970041B (en) | 2017-12-29 | 2017-12-29 | Method, device and equipment for identifying flow direction of contrast agent |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107970041B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1943516A (en) * | 2005-09-27 | 2007-04-11 | 美国西门子医疗解决公司 | Advanced characterization of contrast agents with ultrasound |
| JP2010154982A (en) * | 2008-12-27 | 2010-07-15 | Toshiba Corp | X-ray computer tomographic imaging apparatus and image processor |
| CN103006272A (en) * | 2013-01-09 | 2013-04-03 | 东南大学 | Velocity distribution measuring method based on ultrasonic interleave programming |
| CN105067432A (en) * | 2015-07-21 | 2015-11-18 | 南京大学 | Viscoelastic characteristic quantitative characterization method of micro bubble coating of ultrasonic contrast agent |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6542047B2 (en) * | 2015-07-03 | 2019-07-10 | キヤノンメディカルシステムズ株式会社 | Ultrasonic diagnostic equipment |
| CN105411624B (en) * | 2015-12-25 | 2018-08-10 | 中国科学院深圳先进技术研究院 | A kind of imaging of ultrasonic three-dimensional fluid and speed-measuring method |
| CN105825516B (en) * | 2016-03-25 | 2018-06-19 | 上海慧达医疗器械有限公司 | A kind of DICOM images blood flow analysis system |
-
2017
- 2017-12-29 CN CN201711484761.9A patent/CN107970041B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1943516A (en) * | 2005-09-27 | 2007-04-11 | 美国西门子医疗解决公司 | Advanced characterization of contrast agents with ultrasound |
| JP2010154982A (en) * | 2008-12-27 | 2010-07-15 | Toshiba Corp | X-ray computer tomographic imaging apparatus and image processor |
| CN103006272A (en) * | 2013-01-09 | 2013-04-03 | 东南大学 | Velocity distribution measuring method based on ultrasonic interleave programming |
| CN105067432A (en) * | 2015-07-21 | 2015-11-18 | 南京大学 | Viscoelastic characteristic quantitative characterization method of micro bubble coating of ultrasonic contrast agent |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107970041A (en) | 2018-05-01 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US7933440B2 (en) | Method and system for evaluating two time-separated medical images | |
| CN111629670B (en) | Echo window artifact classification and visual indicator for ultrasound systems | |
| JP6547612B2 (en) | IMAGE PROCESSING APPARATUS, IMAGE PROCESSING METHOD, AND ULTRASONIC DIAGNOSTIC APPARATUS PROVIDED WITH IMAGE PROCESSING APPARATUS | |
| JP5797364B1 (en) | Ultrasonic observation apparatus, operation method of ultrasonic observation apparatus, and operation program of ultrasonic observation apparatus | |
| JP6430604B2 (en) | Image processing apparatus, magnetic resonance imaging apparatus, and image processing method | |
| CN104093354A (en) | Method and apparatus for assessment of medical images | |
| US10357228B2 (en) | Image processing method and apparatus | |
| CN110246135B (en) | Follicle monitoring method, device, system and storage medium | |
| US20060270938A1 (en) | Ultrasound diagnostic apparatus and ultrasound diagnostic method | |
| JP2009273815A (en) | Medical image processor and medical image processing program | |
| JP2007167116A (en) | Ultrasonic diagnosis apparatus | |
| JP6991728B2 (en) | Image processing device, magnetic resonance imaging device and image processing method | |
| CN107970041B (en) | Method, device and equipment for identifying flow direction of contrast agent | |
| CN113096061B (en) | Image diagnosis support device, medical image acquisition device, and computer-readable recording medium | |
| US7481789B2 (en) | Method for segmenting a medical data set | |
| JP2006280682A (en) | Method of supporting diagnostic image provided with noise detection function | |
| US11154213B2 (en) | Detection of position and frequency of a periodically moving organ in an MRI examination | |
| JP2008513087A (en) | Apparatus, software and method for processing images from a patient's heart | |
| US20220202376A1 (en) | Medical imaging apparatus including biological signal processing system, medical imaging system, and biological signal processing method | |
| CN110013277B (en) | Auxiliary diagnosis method and device based on shear wave elastic image | |
| CN111035403A (en) | Scanning opportunity determination method, device, equipment and storage medium | |
| WO2015045424A1 (en) | Medical image processing device, ultrasonic diagnostic device, and medical image processing method | |
| US10401457B2 (en) | Image processing apparatus, magnetic resonance imaging apparatus, image processing method, and storage medium | |
| KR101611450B1 (en) | Method and device for guiding measure in ultrasound diagnosis apparatus, storage medium thereof | |
| CN110934613B (en) | Ultrasonic diagnostic apparatus and ultrasonic diagnostic method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |