Method for improving imaging stability of diasonograph 4D mechanical probe
An ultrasonic diagnostic instrument and technology of stability, applied in ultrasonic/sonic/infrasonic diagnosis, sonic diagnosis, infrasonic diagnosis and other directions, can solve the problems of 3D reconstruction image shaking and other problems, and achieve the effect of improving user experience and achieving remarkable results.
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[0029] The embodiments of the present invention will be described in detail below with reference to the accompanying drawings, but the present invention can be implemented in many different ways defined and covered by the claims.
[0030] (1) Timing of two-dimensional tomographic image scanning
[0031] During 4D imaging, the transducer moves along figure 2 The indicated scanning direction continuously collects scanning lines, and a 2D tomographic image 201 is obtained in one scanning period. figure 2 indicated by the thick dashed line. Driven by the motor 101 , the transducer 102 rotates or translates at a speed 202 (the present invention is applicable to translation and rotation, and for simplicity of description, rotation is used as an example below). Due to the rotation of the transducer, the 2D tomographic image plane in space forms an angle θ with the transducer, figure 2 As shown, θ=ω*T, where ω is the moving speed of the transducer 202, and T is the scanning time...
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