A system and method for three-dimensional reconstruction of microsurgical field

Abstract

A system and method for three-dimensional reconstruction of a microsurgical field, which collects the pattern information of the measured scene through the visible light viewpoint acquisition unit; collects the infrared speckle pattern of the measured scene through the infrared light viewpoint acquisition unit; uses the three-dimensional reconstruction calculation control unit to control the visible light The viewpoint collection unit and the infrared viewpoint collection unit take photos, and fuse the patterns obtained by the visible light viewpoint collection unit with the patterns obtained by the infrared viewpoint collection unit to obtain a three-dimensional reconstruction result. This technical solution introduces multi-viewpoint joint optimization and infrared speckle-based object surface texture enhancement mechanism into high-precision 3D reconstruction. By designing the structure of infrared photosensitive element and speckle projector, the shape structure of surgical field can be accurately obtained. The shape structure is used as the surgical field prior to optimize the three-dimensional reconstruction model under visible light, thereby improving the three-dimensional reconstruction accuracy under the microscope without affecting the main optical path of the microscope.

Description

technical field [0001] The invention relates to the technical field of microscopic three-dimensional imaging, in particular to a system and method for three-dimensional reconstruction of a microsurgical field. Background technique [0002] Microscope is a commonly used auxiliary equipment in fine surgical operations. With the help of the magnification of the microscope, doctors can clearly see the fine tissues of the human body in the surgical field, so as to perform fine treatment on patients. In recent years, researchers in the field of medical imaging have paid attention to the three-dimensional reconstruction technology of the surgical field (surgical field of view). Compared with traditional CT / MRI imaging technology, vision-based image reconstruction technology can see the surface of the surgical field. The color texture can provide doctors with a more intuitive three-dimensional visual perception experience. With the help of the visual three-dimensional reconstruction...

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Problems solved by technology

[0004] For this reason, the present invention provides a system and method for three-dimensional reconstruction of the surgical field in microsurgery, which realizes multi-view point high-precision three-dimensional reconstruction of the surgical field, so as to solve the problem of three-dimensional reconstruction failure in mirror reflection and non-textured areas in the operation area

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