Method and device for recognizing echocardiogram of congenital heart disease
A technology of congenital heart disease and echocardiography, applied in neural learning methods, character and pattern recognition, image enhancement, etc., can solve inaccurate ultrasound image positioning, high misdiagnosis rate, and congenital heart disease identification depends on doctor identification Ability and other issues, to achieve the effect of low cost, easy method and wide applicability
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specific Embodiment 1
[0053] 1. Image acquisition
[0054] The images used in this application were collected by Philips Xinyue IE33 cardiac color Doppler ultrasound, Philips IE Elite cardiovascular four-dimensional color Doppler ultrasound and Philips Epiq7C ultra-high-end advanced cardiac color Doppler ultrasound equipment. The collected images are parasternal left ventricle long-axis section view, parasternal aorta short-axis Section view, apical four-chamber view, subxiphoid-process biatrial view, and suprasternal fossa aortic arch long-axis view, wherein the images are RGB images.
[0055] 2. Image processing
[0056] The collected parasternal left ventricle long-axis view, parasternal aorta short-axis view, apical four-chamber view, subxiphoid-process double-chamber view, and suprasternal fossa aortic arch long-axis view were processed in grayscale and rectangularly cropped Keep the target area. Since the acquired echocardiogram is fan-shaped, some target areas cannot be cropped by rectangl...
specific Embodiment 2
[0063] 1. Acquisition of echocardiographic data
[0064] 330 cases of healthy controls, 145 cases of VSD and 91 cases of ASD were collected from Beijing Children's Hospital. Put the subject in a supine position, expose the chest, use the instrument on the subject's heart according to the instructions, and collect the parasternal left ventricular long-axis view, parasternal aorta short-axis view, and apical four-chamber heart section of each subject. Standard two-dimensional views of the plane, the subxiphoid-process bicameral view, and the suprasternal fossa long-axis view of the aortic arch.
[0065] The diagnosis of all subjects was confirmed by at least two senior ultrasound doctors or the final diagnosis during the operation, and the operation was approved by the Ethics Committee of Beijing Children's Hospital (approval number: 2019-k-342).
[0066] 2. Image preprocessing
[0067] The three-channel RGB image of the section image obtained in step 1 is processed into a sin...
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