Rib Developed Image Generation with Body Axis Orientation
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Solution Overview
Problem
Existing methods for generating developed images of ribs, such as those used in medical imaging, often misalign the vertical direction of the image with the human body axis, making it difficult to determine the correct orientation of the cross section in the image.
Innovation Solution
A rib developed image generation apparatus and method that extracts ribs from a three-dimensional image, sets a core line, determines a specific axis direction, and moves the core line in that direction to generate a developed image, ensuring the image's orientation remains consistent with the human body axis, even when the core line is moved.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If the cross section is rotated around the central axis of the ribs to generate a developed image, then the ribs can be observed in multiple cross sections with the central axis as reference, but the vertical direction of the developed image does not match the vertical direction of the human body
Solution Approach 1:
The patent applies preliminary action by pre-determining the specific axis direction that corresponds to the human body vertical direction before generating the developed image. The system calculates the projection direction of the rib core line on the axial plane and uses this information to orient the developed image correctly, so that when the core line is moved to generate different cross-sections, the orientation relationship with the human body is maintained throughout the process.
2Adaptability or versatility
If the core line position is moved to generate different cross sections, then more rib areas can be examined, but the image orientation may become misaligned with the human body axis
Solution Approach 1:
The patent implements feedback by continuously maintaining the orientation relationship between the developed image and the human body axis. The system calculates the specific axis direction based on the rib core line projection, and when the core line position is moved to generate different cross-sections, the image generation unit uses this pre-determined orientation information to ensure that the vertical direction of the developed image consistently matches the human body vertical direction, providing feedback control for orientation consistency.
Data Source
AI summary
A rib extraction unit extracts a rib from a three-dimensional image, a core line setting unit sets a core line of the rib, and a specific axis direction determination unit determines a specific axis direction in a cross section crossing the core line of the rib. An image generation unit moves a position of the core line in the specific axis direction according to an instruction to move the core line in the specific axis direction and generates a developed image of at least one rib based on a cross section along the core line at the moved position.