Blood flow imaging method for 3D endoscope based on multi-angle scattering random matrix
A technology of random scattering and imaging method, applied in the fields of endoscopy, application, medical science, etc., can solve the problem of inability to achieve statistical separation of single and multiple scattered light intensity, and achieve the effect of accurate blood flow and good imaging effect.
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[0053] Such as figure 1 As shown, the present embodiment provides a 3D endoscopic blood flow imaging method based on a multi-angle scattering random matrix, which includes the following steps:
[0054] S1. Connect the near-infrared coherent laser light source to the n guide beams of the 3D endoscope, and control each guide beam to pass through in turn to form an illumination cycle. Use the near-infrared channels of the two cameras of the 3D endoscope to simultaneously collect the original scattered light. For speckle images, N=2n original speckle images are collected in one illumination cycle. Specifically: the near-infrared coherent laser light source is connected to the n beam guides of the 3D endoscope, and the light outlets of the n beam guides are distributed at fixed positions at the front end of the 3D endoscope. With different angle relationships, the light guides take turns to emit light in one lighting cycle. The near-infrared channels of the two cameras are used to...
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