CN106108941A - A kind of ultrasonic image area quality intensifier and method - Google Patents
A kind of ultrasonic image area quality intensifier and method Download PDFInfo
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- CN106108941A CN106108941A CN201610413907.XA CN201610413907A CN106108941A CN 106108941 A CN106108941 A CN 106108941A CN 201610413907 A CN201610413907 A CN 201610413907A CN 106108941 A CN106108941 A CN 106108941A
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- 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
- A61B8/5215—Devices using data or image processing specially adapted for diagnosis using ultrasonic, sonic or infrasonic waves involving processing of medical diagnostic data
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- 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 present invention relates to ultrasonic imaging technique field, be specifically related to a kind of ultrasonic image area quality intensifier and method.This device includes conventional sweep and display processing module, user interface components, optimization of region processing module and background process module, the method is determined by gradation of image regulation outside image adjustment, region, the step feasible region quality of image overlay outside region, statistic histogram, area image enhancing, area grayscale regulation, region and strengthens, finally, normal imaging mode is returned.Providing the benefit that: this invention makes ROI region picture quality be strengthened, retain the image outside ROI region as reference and provides diagnostic message simultaneously, improves the work efficiency of doctor；Make gray scale and dynamic range change before and after image enhaucament be effectively controlled, it is to avoid the bright dark strong variations of image simultaneously, improve the friendly that this function uses.
Description
Technical field
The present invention relates to ultrasonic imaging technique field, be specifically related to a kind of ultrasonic image area quality intensifier and side
Method.
Background technology
Some aspects such as ultrasonograph quality comprises lateral resolution, axial resolution, penetrates, temporal resolution.Generally
In the case of, these aspects are mutually restrictions, and for example, obtaining preferable lateral resolution wants resolution lost time, for
Obtain preferable axial resolution penetration capacity to be lost.
When doctor specifies certain area-of-interest on image (ROI:Region of Interest) to carry out image enhaucament
Time, or the imaging parameters of adjustment entire image, such as frequency, line density etc., result causes several aspects of picture quality to promote,
Other side incurs loss simultaneously；Localized region is amplified display, and the degree of image quality improvement is limited.
Patent CN 103156636 B proposes a kind of method, by regulating some parameters of ROI region, improves this district
The image quality in territory so that in this finite region, the lateral resolution of picture quality, axial resolution, penetrate, time resolution
The aspects such as rate all reach the level that comparison is high, freeze the image outside ROI region simultaneously.In program implementation process, need
The problem considered is that only ROI region is maintained at real-time scanning after freezing the image outside ROI region to process
State, doctor is during mobile probe, owing to lacking reference so that ROI region becomes in being always held at active display window
Obtaining more difficulty, the when that especially ROI region setting being less, this complexity that doctor will be caused to operate improves, and affects work
Efficiency.Another one needs consideration is that, during this image-region strengthens, and the gray scale of image and dynamic range meeting
Changing, the gray scale by monitoring and controlling image and dynamic range change improve the use friendly of this function.
Summary of the invention
The invention aims to solve the problems referred to above, it is provided that the intensifier of a kind of ultrasonic image area quality and side
Method.
The present invention proposes a kind of in the method specifying region to strengthen ultrasonograph quality.The method is at ROI region image
While enhancing, keeping the real-time scanning of the exterior domain of ROI, the scanning for doctor positions offer reference, the simultaneously exterior domain of ROI
Image certain diagnostic message can also be provided.It addition, gray scale and dynamic range change are supervised during strengthening region
Survey and control so that whole handoff procedure seamlessly transits.
In order to reach foregoing invention purpose, the present invention by the following technical solutions:
A kind of ultrasonic image area quality intensifier, including:
Conventional sweep and display processing module, be used for including transmitting, reception, beam forming, middle process, digital scan conversion, after
Process and image shows；
User interface components, including having user circle identifying the various control such as trace ball, writing pencil, touch trace and pressing
Face；
Optimization of region processing module, optimizes the multiple imaging parameters of ROI region and image carries out gray scale and dynamic range adjustment；
Background process module, when region strengthens, optimizes the multiple imaging parameters of background image and image carries out gray scale and dynamically
Scope adjusts.
A kind of ultrasonic image area quality enhancement method, specifically includes following steps:
(1) region is determined: obtained the scope of ROI region by user interface components；This scope includes the left and right scope of ROI region
The depth bounds up and down of every line from left to right；ROI on image is specified specifically by trace ball, writing pencil or touch trace
Region, user interface components obtains the left and right scope of ROI region and the depth bounds up and down of every line from left to right, this region
Border is highlighted；
(2) statistic histogram: the image of the image in ROI region and the exterior domain of ROI is added up grey level histogram respectively；
Rectangular histogram be hist0=[a0, a1 ... a255] each gray value of 0-255 occurs in correspondence image frequency；
(3) area image strengthens: strengthen the image in ROI region；
(4) area grayscale regulation: to the image statistics grey level histogram in ROI region, and contrast the ash in this region in step (2)
Degree rectangular histogram carries out gray scale regulation；
Rectangular histogram be hist1=[b0, b1 ... b255] each gray value of 0-255 occurs in correspondence image frequency
Y is minimized in the range of specifying,
Assume that original image gray scale is, after gray scale adjusts, gray scale
(5) image adjustment outside region: the image outside ROI region is adjusted imaging；
(6) outside region gradation of image regulation: to the image statistics grey level histogram outside ROI region, and contrast in step (2) right
The grey level histogram answered carries out gray scale regulation；Gray scale regulates such as step (4)；
(7) image overlay: show after the image overlay that image step 4 obtained and step 6 obtain；Can be according to a preconcerted arrangement
Operation ROI region is done amplification display, such as when this region is pressed by doctor's finger, image amplify, amplification
Relevant to by the size of pressure；When double-click ROI region time, image return to before normal scan and display pattern；
(8) normal imaging mode is returned.
Preferably, step (3) specifically includes regulation the transmitting focal position in this region, transmitted waveform, operating frequency and
Relevant matches parameter, multi-beam number and the pulse-recurrence time of compounding times, synthetic aperture, line density and every line.
Preferably, step (5) concretely comprises the following steps: by obtain entire image imaging, including regulating sending out of this region
Ejected wave shape, multi-beam number and compounding times, synthetic aperture, line density.Imaging requirements to this image is higher frame frequency, relatively
Low transmitting power, so that total frame frequency improves, keeps general power without departing from improving ROI on the premise of laws and regulations requirement simultaneously
The acoustical power in region, improves the signal to noise ratio of ROI region.Multi-beam number can be improved for improving frame frequency, reduce compounding times, close
It is closed into aperture, reduces line density；Launch power for reducing, emitting voltage can be reduced, reduce pulse and repeat number.
Preferably, step (5) concretely comprises the following steps: plane of departure ripple, is then focused when Beam synthesis.The method can
To ensure to obtain the highest frame frequency and the lowest acoustical power.
The present invention compared with prior art, provides the benefit that:
This invention makes ROI region picture quality be strengthened, and retains the image outside ROI region as reference and offer simultaneously
Diagnostic message, improves the work efficiency of doctor；Make gray scale and dynamic range change before and after image enhaucament effectively be controlled simultaneously
System, it is to avoid the bright dark strong variations of image, improves the friendly that this function uses.
Accompanying drawing explanation
Fig. 1 is the flow chart of the present invention；
Fig. 2 is a kind of screen magnifying schematic diagram of the present invention；
Fig. 3 be the structure of assembly of the invention be schematic diagram.
Detailed description of the invention
Below by specific embodiment, technical scheme is further described explanation.
If without specified otherwise, the raw material employed in embodiments of the invention is raw material commonly used in the art, implements
Method employed in example, is the conventional method of this area.
Embodiment 1:
A kind of ultrasonic image area quality intensifier, as it is shown on figure 3, include:
Conventional sweep and display processing module, be used for including transmitting, reception, beam forming, middle process, digital scan conversion, after
Process and image shows；
User interface components, including having user circle identifying the various control such as trace ball, writing pencil, touch trace and pressing
Face；
Optimization of region processing module, optimizes the multiple imaging parameters of ROI region and image carries out gray scale and dynamic range adjustment；
Background process module, when region strengthens, optimizes the multiple imaging parameters of background image and image carries out gray scale and dynamically
Scope adjusts.
A kind of ultrasonic image area quality enhancement method, actual application specifically includes following steps:
As it is shown in figure 1, doctor under the ultrasonic system normal scan and display pattern i.e. in conventional sweep and display processing module
See under control:
First (1) determine ROI region: obtained the scope of ROI region by user interface components；This scope includes ROI region
The depth bounds up and down of left and right scope and from left to right every line；Specify specifically by trace ball, writing pencil or touch trace
ROI region on image, user interface components obtains the left and right scope of ROI region and the degree of depth model up and down of every line from left to right
Enclosing, the border in this region is highlighted；
Then, (2) statistic histogram: be specially the image to the image in ROI region and the exterior domain of ROI and add up gray scale respectively
Rectangular histogram；
Then, (3) area image strengthens: is specially and strengthens the image in ROI region；Specifically include and regulate this region
Launch focal position, transmitted waveform, operating frequency and relevant matches parameter, multi-beam number and compounding times, synthetic aperture, line
Density and the pulse-recurrence time of every line；
Then, (4) area grayscale regulates: be specially the regulation of ROI region gray scale, to the image statistics intensity histogram in ROI region
Figure, and contrast the grey level histogram in this region in step (2) and carry out gray scale regulation；
Then, image adjustment outside (5) region: the image outside ROI region is adjusted imaging；By to entire image imaging
Obtain, including regulating the transmitted waveform in this region, multi-beam number and compounding times, synthetic aperture, line density.
Then, gradation of image regulation outside (6) region: to the image statistics grey level histogram outside ROI region, and contrast step
Suddenly corresponding in (2) grey level histogram carries out gray scale regulation；
Then, (7) image overlay: show after the image overlay that image step 4 obtained and step 6 obtain；The most such as
Shown in Fig. 2, ROI region is exaggerated；Operation according to a preconcerted arrangement ROI region can be done amplification display, such as when doctor's hands
When referring to press this region, image amplifies, and amplification is relevant to by the size of pressure；
Finally, (8) return normal imaging mode, when double-click ROI region time, image return to before normal scan and display mould
Formula.
Embodiment 2:
A kind of ultrasonic image area quality intensifier, as it is shown on figure 3, include:
Conventional sweep and display processing module, be used for including transmitting, reception, beam forming, middle process, digital scan conversion, after
Process and image shows；
User interface components, including having user circle identifying the various control such as trace ball, writing pencil, touch trace and pressing
Face；
Optimization of region processing module, optimizes the multiple imaging parameters of ROI region and image carries out gray scale and dynamic range adjustment；
Background process module, when region strengthens, optimizes the multiple imaging parameters of background image and image carries out gray scale and dynamically
Scope adjusts.
A kind of ultrasonic image area quality enhancement method, actual application specifically includes following steps:
As it is shown in figure 1, doctor under the ultrasonic system normal scan and display pattern i.e. in conventional sweep and display processing module
See under control:
First (1) determine ROI region: obtained the scope of ROI region by user interface components；This scope includes ROI region
The depth bounds up and down of left and right scope and from left to right every line；Specify specifically by trace ball, writing pencil or touch trace
ROI region on image, user interface components obtains the left and right scope of ROI region and the degree of depth model up and down of every line from left to right
Enclosing, the border in this region is highlighted；
Then, (2) statistic histogram: be specially the image to the image in ROI region and the exterior domain of ROI and add up gray scale respectively
Rectangular histogram；
Then, (3) area image strengthens: is specially and strengthens the image in ROI region；Specifically include and regulate this region
Launch focal position, transmitted waveform, operating frequency and relevant matches parameter, multi-beam number and compounding times, synthetic aperture, line
Density and the pulse-recurrence time of every line；
Then, (4) area grayscale regulates: be specially the regulation of ROI region gray scale, to the image statistics intensity histogram in ROI region
Figure, and contrast the grey level histogram in this region in step (2) and carry out gray scale regulation；
Then, image adjustment outside (5) region: the image outside ROI region is adjusted imaging；Plane of departure ripple, then exists
It is focused during Beam synthesis；
Then, gradation of image regulation outside (6) region: to the image statistics grey level histogram outside ROI region, and contrast step
(2) grey level histogram corresponding in carries out gray scale regulation；
Then, (7) image overlay: show after the image overlay that image step 4 obtained and step 6 obtain；The most such as
Shown in Fig. 2, ROI region is exaggerated；Operation according to a preconcerted arrangement ROI region can be done amplification display, such as when doctor's hands
When referring to press this region, image amplifies, and amplification is relevant to by the size of pressure；
Finally, (8) return normal imaging mode, when double-click ROI region time, image return to before normal scan and display mould
Formula.
Claims (5)
1. a ultrasonic image area quality intensifier, it is characterised in that including:
Conventional sweep and display processing module, be used for including transmitting, reception, beam forming, middle process, digital scan conversion, after
Process and image shows；
User interface components, including having user circle identifying the various control such as trace ball, writing pencil, touch trace and pressing
Face；
Optimization of region processing module, optimizes the multiple imaging parameters of ROI region and image carries out gray scale and dynamic range adjustment；
Background process module, when region strengthens, optimizes the multiple imaging parameters of background image and image carries out gray scale and dynamically
Scope adjusts.
2. a ultrasonic image area quality enhancement method, it is characterised in that specifically include following steps:
(1) region is determined: obtained the scope of ROI region by user interface components；This scope includes the left and right scope of ROI region
The depth bounds up and down of every line from left to right；ROI on image is specified specifically by trace ball, writing pencil or touch trace
Region, user interface components obtains the left and right scope of ROI region and the depth bounds up and down of every line from left to right, this region
Border is highlighted；
(2) statistic histogram: the image of the image in ROI region and the exterior domain of ROI is added up grey level histogram respectively；
(3) area image strengthens: strengthen the image in ROI region；
(4) area grayscale regulation: to the image statistics grey level histogram in ROI region, and contrast the ash in this region in step (2)
Degree rectangular histogram carries out gray scale regulation；
(5) image adjustment outside region: the image outside ROI region is adjusted imaging；
(6) outside region gradation of image regulation: to the image statistics grey level histogram outside ROI region, and contrast in step (2) right
The grey level histogram answered carries out gray scale regulation；
(7) image overlay: show after the image overlay that image step 4 obtained and step 6 obtain；
(8) normal imaging mode is returned.
A kind of ultrasonic image area quality enhancement method the most according to claim 2, it is characterised in that tool in step (3)
Body includes regulating the transmitting focal position in this region, transmitted waveform, operating frequency and relevant matches parameter, multi-beam number and answering
Close number of times, synthetic aperture, line density and the pulse-recurrence time of every line.
A kind of ultrasonic image area quality enhancement method the most according to claim 2, it is characterised in that step (5) is concrete
Step is: by obtaining entire image imaging, including regulating the transmitted waveform in this region, and multi-beam number and compound time
Number, synthetic aperture, line density.
A kind of ultrasonic image area quality enhancement method the most according to claim 2, it is characterised in that step (5) is concrete
Step is: plane of departure ripple, is then focused when Beam synthesis.
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| CN108836382A (en) * | 2018-03-30 | 2018-11-20 | 中国科学院苏州生物医学工程技术研究所 | Multiple frequency ultrasonic observation method, device and equipment |
| CN110035237A (en) * | 2019-04-09 | 2019-07-19 | Oppo广东移动通信有限公司 | Image processing method, device, storage medium and electronic equipment |
| CN111461158A (en) * | 2019-05-22 | 2020-07-28 | 什维新智医疗科技(上海)有限公司 | Method, apparatus, storage medium, and system for identifying features in ultrasound images |
| WO2021102939A1 (en) * | 2019-11-29 | 2021-06-03 | 深圳市大疆创新科技有限公司 | Image processing method and device |
| WO2021128010A1 (en) * | 2019-12-24 | 2021-07-01 | 深圳迈瑞生物医疗电子股份有限公司 | Ultrasonic imaging method and system |
| WO2021138883A1 (en) * | 2020-01-10 | 2021-07-15 | Shenzhen Xpectvision Technology Co., Ltd. | Method and system for high bit depth imaging |
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