CN104042242A - Ultrasonic superposition denoising detection system with gain regulating function - Google Patents
Ultrasonic superposition denoising detection system with gain regulating function Download PDFInfo
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- CN104042242A CN104042242A CN201410186470.1A CN201410186470A CN104042242A CN 104042242 A CN104042242 A CN 104042242A CN 201410186470 A CN201410186470 A CN 201410186470A CN 104042242 A CN104042242 A CN 104042242A
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Abstract
The invention relates to an ultrasonic superposition denoising detection system with a gain regulating function. The ultrasonic superposition denoising detection system comprises an ultrasonic probe, a display screen and a host machine, wherein the ultrasonic probe is used for detecting tissues to be detected, the host machine is used for controlling the ultrasonic probe, the ultrasonic probe is provided with a detection base element, the tissues to be detected comprise static comparison tissues, static standard images and blank backgrounds, an image processor and a signal generator are arranged in the host machine, the image processor comprises a comparison module, a superposition processing module and a programmable gain amplification regulator, the detection base element comprises odd bit base elements and even bit base elements, the host machine controls the signal generator to sequentially send out odd and even bit signals for activating an odd bit unit to detect the tissues to be detected, the tissues to be detected reflect the signals to the even and odd bit base elements in a staggered way to obtain even and odd bit detection signals, the obtained even bit detection signals and the odd bit detection signals are subjected to superposition processing through the image processor, and the obtained image is displayed onto the display screen.
Description
Technical field
This description relates to field of medical technology, relates in particular to ultrasonic wave detecting system.
Background technology
Ultrasound examination be by ultrasound probe based on Doppler effect principle, internal organs and the blood flow of motion are detected, and by the signal detecting through image processes and displays on display screen.When ultrasound probe detects at present, directly probe is placed in muscular tissue, the shortcoming existing in testing process is: during probe work, the hyperacoustic detection of surrounding enviroment noise effect, causes the image on display screen to have noise, affects image recognition; And when slight damage appears in probe, operator cannot discover from image, thereby can exist, detect the excessive defect of error; And while detecting between the adjacent primitive on ultrasound probe, mutually crosstalk, cause testing result inaccurate.
Description
The applicant, for the above-mentioned shortcoming of existing ultrasound probe detection system, studies and improves, and a kind of ultrasound wave stack denoising detection system of adjusting with gain is provided, and it has the feature accurate, error is little that detects.
The technical scheme that this description adopts is as follows:
A ultrasound wave stack denoising detection system of adjusting with gain, for detection of the ultrasound probe of tissue to be measured, display screen and for controlling the main frame of ultrasound probe, ultrasound probe, with detecting primitive, is characterized in that:
Tissue to be measured comprises static contrast tissue, static criteria image and blank background, and in main frame, device has image processor, signal generator, and described image processor comprises comparing module, overlap-add procedure module and programmable-gain amplifying regulator;
Ultrasound probe obtains static contrast images, by detecting blank background, obtains background noise image and obtain detection of dynamic image by detecting muscular tissue by detecting static contrast tissue, image processor is processed static contrast images and static criteria image and comparison information is passed to programmable-gain amplifying regulator by contrast, image processor obtains detected image by detection of dynamic image and the processing of background noise image overlay;
Detect primitive and comprise strange position primitive and even position primitive, host computer control signal generator first sends the strange bit location of strange position signal activation and detects tissue to be measured, and tissue to be measured obtains even position detection signal to even position primitive signaling reflex; After host computer control signal generator, send the even position even bit location of signal activation and detect tissue to be measured, tissue to be measured obtains strange position detection signal to strange position primitive signaling reflex; Even position detection signal is shown on display screen with the image that strange position detection signal obtains by image processor overlap-add procedure.
The beneficial effect of this description is as follows:
This description is by detecting static contrast tissue, the quality of convenient identification ultrasound probe; By programmable-gain amplifying regulator, adjust image, ultrasound probe is calibrated, and by detection of dynamic image and the denoising of background noise image overlay, in the detected image obtaining, without noise, be convenient to observe, reduce error; Adopt strange bit location and even bit location separate detection, pass through image processor overlap-add procedure, avoided crosstalking between adjacent primitive, improved the accuracy detecting.
Accompanying drawing explanation
Fig. 1 is the operation principle block diagram of this description.
Fig. 2 is another operation principle block diagram of this description.
The specific embodiment
Below in conjunction with accompanying drawing, the specific embodiment of this description is described.
See Fig. 1 and Fig. 2, this description is for detection of the ultrasound probe 2 of tissue 3 to be measured, display screen 4 and for controlling the main frame 1 of ultrasound probe 2, and ultrasound probe 2 is with detecting primitive; Tissue to be measured comprises static contrast tissue 5, static criteria image 8 and blank background 6, and in main frame 1, device has image processor 3, signal generator 10; Display screen 4 is connected with main frame 1, and ultrasound probe 2 feeds back to main frame 1 by the information of detection, and processes and obtain image and be shown on display screen 4 through image processor 3;
Ultrasound probe 2 obtains static contrast images 51 by detecting static contrast tissue 5, by detecting blank background 6, obtain background noise image 61 and obtain detection of dynamic image 71 by detecting muscular tissue 7, image processor 3 comprises comparing module 31 and overlap-add procedure module 32, comparing module 31 is processed with static criteria image 8 static contrast images 51 by contrast, the comparative information that obtains is on the one hand for identifying the quality of ultrasound probe 2: only have when the difference between static contrast images 51 and static criteria image 8 is within the specific limits time, ultrasound probe 2 could continue to use, otherwise need to change, pass on the other hand programmable-gain amplifying regulator 33: programmable-gain amplifying regulator 33 is adjusted image according to comparison signal, calibration ultrasound probe 2 makes its static contrast images 51 obtaining overlap with static criteria image 8, to reduce to detect error.
Overlap-add procedure module 32, by detection of dynamic image 71 and background noise image 61 overlap-add procedure, is about to obtain detected image 9 after the noise removal in detection of dynamic image 71, and detected image 9 is shown on display screen 4; Due in detected image 9 without noise, it is clean, clear, handled easily personnel observe.
The detection primitive of ultrasound probe 2 comprises strange position primitive 21 and even position primitive 22, main frame 1 control signal generator 10 first sends strange position signal 101 and activates strange bit location 21 detection tissue to be measured, and tissue to be measured obtains an even detection signal 24 to even position primitive 22 signaling reflex; After main frame 1 control signal generator 10, send even position signal 102 and activate even bit location 22 detection tissue to be measured, tissue to be measured obtains a strange detection signal 23 to strange position primitive 21 signaling reflex; Even position detection signal 24 is shown on display screen 4 with the image that strange position detection signal 23 obtains by image processor 5 overlap-add procedure.
This description is by detecting static contrast tissue, the quality of convenient identification ultrasound probe; By programmable-gain amplifying regulator, adjust image, ultrasound probe is calibrated, and by detection of dynamic image and the denoising of background noise image overlay, in the detected image obtaining, without noise, be convenient to observe, reduce error; Adopt strange bit location and even bit location separate detection, pass through image processor overlap-add procedure, avoided crosstalking between adjacent primitive, improved the accuracy detecting.
More than describing is the explanation to this description, is not the restriction to description, and this description limited range is referring to claim, in the situation that without prejudice to the spirit of this description, this description can be done any type of modification.
Claims (1)
1. a ultrasound wave stack denoising detection system of adjusting with gain, for detection of the ultrasound probe (2) of tissue to be measured (3), display screen (4) and for controlling the main frame (1) of ultrasound probe (2), ultrasound probe (2), with detecting primitive, is characterized in that:
Described tissue to be measured comprises static contrast tissue (5), static criteria image (8) and blank background (6), in described main frame (1), device has image processor (3), signal generator (10), and described image processor (3) comprises comparing module (31), overlap-add procedure module (32) and programmable-gain amplifying regulator (33);
Described ultrasound probe (2) obtains static contrast images (51) by detecting described static contrast tissue (5), by detecting blank background (6), obtain background noise image (61) and obtain detection of dynamic image (71) by detecting muscular tissue (7), described comparing module (31) is processed static contrast images (51) and static criteria image (8) and comparison information is passed to programmable-gain amplifying regulator (33) by contrast, image processor (3) obtains detected image (9) by detection of dynamic image (71) and background noise image (61) overlap-add procedure,
Described detection primitive comprises strange position primitive (21) and even position primitive (22), described main frame (1) control signal generator (10) first sends strange position signal (101) and activates strange bit location (21) and detect tissue to be measured, and tissue to be measured obtains even position detection signal (24) to an even position primitive (22) signaling reflex; After main frame (1) control signal generator (10), send an even position signal (102) and activate even bit location (22) and detect tissue to be measured, tissue to be measured obtains strange position detection signal (23) to a strange position primitive (21) signaling reflex; Described even position detection signal (24) is shown on display screen (4) with the image that strange position detection signal (23) obtains by image processor (5) overlap-add procedure.
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Cited By (1)
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| CN104013441A (en) * | 2014-06-12 | 2014-09-03 | 苏州森斯凌传感技术有限公司 | Ultrasonic probe detecting system with gain adjustment function |
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Application publication date: 20140917 |