CN111432730A - Imaging method and imaging system - Google Patents
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- 238000003384 imaging method Methods 0.000 title claims abstract 14
- 238000002592 echocardiography Methods 0.000 claims abstract 2
- 238000000034 method Methods 0.000 claims 7
- 239000000523 sample Substances 0.000 claims 6
- 230000004927 fusion Effects 0.000 claims 5
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Abstract
一种成像方法以及成像系统(10)，用于清楚地显示光声‑超声双模态的成像。成像方法包括：向目标组织(201)发射超声波，并接收从目标组织(201)返回的超声回波，获得超声回波信号(301)；向目标组织(201)发射激光，并接收从目标组织(201)返回的光声信号(302)；根据超声回波信号获取目标组织(201)的灰阶图像与彩色多普勒图像(303)；根据光声信号获取目标组织(201)的光声图像(304)；将光声图像和彩色多普勒图像与灰阶图像融合，以得到目标组织(201)的融合图像(305)。
An imaging method and an imaging system (10) are used to clearly display the imaging of the photoacoustic-ultrasonic dual mode. The imaging method includes: transmitting ultrasonic waves to a target tissue (201), and receiving ultrasonic echoes returned from the target tissue (201) to obtain ultrasonic echo signals (301); (201) The returned photoacoustic signal (302); the gray-scale image and the color Doppler image (303) of the target tissue (201) are obtained according to the ultrasonic echo signal; the photoacoustic image of the target tissue (201) is obtained according to the photoacoustic signal Image (304); fusing the photoacoustic image and the color Doppler image with the grayscale image to obtain a fused image (305) of the target tissue (201).
Description
PCT国内申请，说明书已公开。PCT domestic application, the description has been published.
Claims (14)
- An imaging method, comprising:transmitting ultrasonic waves to a target tissue, and receiving ultrasonic echoes returned from the target tissue to obtain ultrasonic echo signals;emitting laser light to the target tissue and receiving a photoacoustic signal returned from the target tissue;acquiring a gray scale image and a color Doppler image of the target tissue according to the ultrasonic echo signal;acquiring a photoacoustic image of the target tissue according to the photoacoustic signal;and fusing the photoacoustic image and the color Doppler image with the gray scale image to obtain a fused image of the target tissue.
- The method of claim 1, wherein prior to said fusing the photoacoustic image and the color doppler image with the grayscale image to obtain a fused image of the target tissue, the method further comprises:determining the pixel number of the photoacoustic image, the pixel number of the color Doppler image and the pixel number of the gray-scale image; adjusting at least one of the pixel number of the photoacoustic image, the pixel number of the color Doppler image and the pixel number of the gray-scale image to a preset pixel number in an interpolation mode;or when the gray scale image and the color Doppler image of the target tissue are acquired according to the ultrasonic echo signal, and when the photoacoustic image of the target tissue is acquired according to the photoacoustic signal, at least one of the gray scale image and the color Doppler image with the preset number of pixels and the photoacoustic image with the preset number of pixels is generated.
- The method of claim 1 or 2, wherein said fusing the photoacoustic image and the color doppler image with the grayscale image to obtain a fused image of the target tissue comprises:and superposing the pixel value of each pixel point in the photoacoustic image and the color Doppler image to the corresponding pixel point of the gray-scale image according to a preset mode to obtain the fused image.
- The method according to claim 3, wherein the superimposing the pixel value of each pixel point in the photoacoustic image and the color doppler image to a corresponding pixel point in the grayscale image according to a preset manner to obtain the fused image comprises:when the pixel value of a first target pixel point in the photoacoustic image is smaller than a first threshold value and the pixel value of a second target pixel point corresponding to the first target pixel point in the color Doppler image is smaller than a second threshold value, taking the pixel value of a corresponding third target pixel point in the gray-scale image as the pixel value of a corresponding fourth target pixel point in the fused image, wherein the first target pixel point is any one pixel point in the photoacoustic image;or the like, or, alternatively,when the pixel value of a first target pixel point is smaller than the first threshold value and the pixel value of a second target pixel point is not smaller than the second threshold value, taking the pixel value of the second target pixel point as the pixel value of a fourth target pixel point, wherein the first target pixel point is any one pixel point in the photoacoustic image;or the like, or, alternatively,when the pixel value of a first target pixel point is not smaller than the first threshold value and the pixel value of a second target pixel point is smaller than the second threshold value, taking the pixel value of the first target pixel point as the pixel value of a fourth target pixel point, wherein the first target pixel point is any one pixel point in the photoacoustic image;or the like, or, alternatively,when the pixel value of a first target pixel is not smaller than the first threshold and the pixel value of a second target pixel is not smaller than the second threshold, taking the pixel value of the second target pixel as the pixel value of a fourth target pixel or taking the pixel value of the first target pixel as the pixel value of the fourth target pixel, or calculating the pixel value of the first target pixel and the pixel value of the second target pixel according to a system preset weight to obtain a target pixel value, and taking the target pixel value as the pixel value of the fourth target pixel, wherein the first target pixel is any pixel in the photoacoustic image.
- The method according to claim 3, wherein the superimposing the pixel value of each pixel point in the photoacoustic image and the color doppler image to a corresponding pixel point in the grayscale image according to a preset manner to obtain the fused image comprises:receiving control information of the photoacoustic image, the color Doppler image and the gray scale image, wherein the control information comprises fusion weight;and calculating the pixel value of each pixel point in the fused image according to the fusion weight, the pixel value of each pixel point in the photoacoustic image and the pixel value of each pixel point in the color Doppler image to obtain the fused image.
- The method of any of claims 1-5, wherein the color map of the photoacoustic image is different than the color map of the color Doppler image.
- The method according to any one of claims 1 to 6, wherein the color map of the grayscale image is different from the color map of the photoacoustic image and the color map of the color Doppler image, wherein the color map of the grayscale image is a color map obtained by pseudo-color.
- An imaging system, comprising: the device comprises a laser, a probe, a transmitting circuit, a receiving circuit and a processor;the laser is used for generating laser for irradiating target tissues, the laser is coupled to the probe through a fiber bundle and emits the laser to the target tissues through the probe;the receiving circuit is used for controlling the probe to receive the photoacoustic signal returned from the target tissue;the transmitting circuit is also used for controlling the probe to transmit the ultrasonic waves to target tissues;the receiving circuit is further used for controlling the probe to receive the ultrasonic echo returned from the target tissue to obtain an ultrasonic echo signal;the processor is used for generating a control signal and sending the control signal to the laser so as to control the laser to generate the laser;the processor is also used for acquiring a gray scale image and a color Doppler image of the target tissue according to the ultrasonic echo signal; acquiring a photoacoustic image of the target tissue according to the photoacoustic signal; and fusing the photoacoustic image and the color Doppler image with the gray scale image to obtain a fused image of the target tissue.
- The imaging system of claim 8, wherein the processor is further configured to determine a number of pixels of the photoacoustic image, a number of pixels of the color doppler image, and a number of pixels of the grayscale image; adjusting at least one of the pixel number of the photoacoustic image, the pixel number of the color Doppler image and the pixel number of the gray-scale image to a preset pixel number in an interpolation mode;or the processor is further configured to generate at least one of a gray scale image and a color doppler image with a preset number of pixels and a photoacoustic image with a preset number of pixels when the gray scale image and the color doppler image of the target tissue are acquired according to the ultrasonic echo signal and the photoacoustic image of the target tissue is acquired according to the photoacoustic signal.
- The imaging system of claim 8 or 9,the processor is specifically configured to superimpose the pixel value of each pixel point in the photoacoustic image and the color doppler image onto a corresponding pixel point in the grayscale image according to a preset mode, so as to obtain the fused image.
- The imaging system of claim 10, wherein the processor is specifically configured to:when the pixel value of a first target pixel point in the photoacoustic image is smaller than a first threshold value and the pixel value of a second target pixel point corresponding to the first target pixel point in the color Doppler image is smaller than a second threshold value, taking the pixel value of a corresponding third target pixel point in the gray-scale image as the pixel value of a corresponding fourth target pixel point in the fusion image, wherein the first target pixel point is any one pixel point in the photoacoustic image;or the like, or, alternatively,when the pixel value of a first target pixel point is smaller than the first threshold value and the pixel value of a second target pixel point is not smaller than the second threshold value, taking the pixel value of the second target pixel point as the pixel value of a fourth target pixel point, wherein the first target pixel point is any one pixel point in the photoacoustic image;or the like, or, alternatively,when the pixel value of a first target pixel point is not smaller than the first threshold value and the pixel value of a second target pixel point is smaller than the second threshold value, taking the pixel value of the first target pixel point as the pixel value of a fourth target pixel point, wherein the first target pixel point is any one pixel point in the photoacoustic image;or the like, or, alternatively,when the pixel value of a first target pixel is not smaller than the first threshold and the pixel value of a second target pixel is not smaller than the second threshold, taking the pixel value of the second target pixel as the pixel value of a fourth target pixel or taking the pixel value of the first target pixel as the pixel value of the fourth target pixel, or calculating the pixel value of the first target pixel and the pixel value of the second target pixel according to a system preset weight to obtain a target pixel value, and taking the target pixel value as the pixel value of the fourth target pixel, wherein the first target pixel is any pixel in the photoacoustic image.
- The imaging system of claim 10, wherein the processor is specifically configured to:receiving control information of the photoacoustic image, the color Doppler image and the gray scale image, wherein the control information comprises fusion weight;and calculating the pixel value of each pixel point in the fused image according to the fusion weight, the pixel value of each pixel point in the photoacoustic image and the pixel value of each pixel point in the color Doppler image to obtain the fused image.
- The imaging system of claims 8-12, wherein the color map of the photoacoustic image is different than the color map of the color doppler image.
- The imaging system of claims 8-13, wherein the color map of the grayscale image is different from the color map of the photoacoustic image and the color map of the color doppler image, wherein the color map of the grayscale image is a color map obtained by pseudo-color.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/CN2018/111692 WO2020082270A1 (en) | 2018-10-24 | 2018-10-24 | Imaging method and imaging system |
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| CN111432730A true CN111432730A (en) | 2020-07-17 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112741651A (en) * | 2020-12-25 | 2021-05-04 | 上海交通大学烟台信息技术研究院 | Method and system for processing ultrasonic image of endoscope |
| CN113367660A (en) * | 2021-06-09 | 2021-09-10 | 东北大学秦皇岛分校 | Photoacoustic Doppler flow velocity measuring device and method |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118469989B (en) * | 2024-05-31 | 2024-12-20 | 江汉大学 | Blood vessel focus identification method and device based on multi-mode ultrasonic image |
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| JP6103931B2 (en) * | 2012-12-28 | 2017-03-29 | キヤノン株式会社 | Subject information acquisition apparatus and subject information acquisition method |
| KR20150084559A (en) * | 2014-01-14 | 2015-07-22 | 삼성메디슨 주식회사 | Photoacoustic apparatus and operating method for the same |
| WO2018133096A1 (en) * | 2017-01-23 | 2018-07-26 | 深圳迈瑞生物医疗电子股份有限公司 | Imaging system and method, and ultrasound imaging system |
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- 2018-10-24 WO PCT/CN2018/111692 patent/WO2020082270A1/en active Application Filing
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Patent Citations (4)
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| JP2013005957A (en) * | 2011-06-27 | 2013-01-10 | Fujifilm Corp | Method and device for displaying doppler images |
| WO2017135167A1 (en) * | 2016-02-05 | 2017-08-10 | 富士フイルム株式会社 | System, device, and method for photoacoustic image generation |
| WO2017145988A1 (en) * | 2016-02-22 | 2017-08-31 | 富士フイルム株式会社 | Display device and display method for acoustic wave images |
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| CN112741651A (en) * | 2020-12-25 | 2021-05-04 | 上海交通大学烟台信息技术研究院 | Method and system for processing ultrasonic image of endoscope |
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| CN113367660A (en) * | 2021-06-09 | 2021-09-10 | 东北大学秦皇岛分校 | Photoacoustic Doppler flow velocity measuring device and method |
| CN113367660B (en) * | 2021-06-09 | 2022-11-25 | 东北大学秦皇岛分校 | Photoacoustic Doppler flow velocity measuring device and method |
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