| 摘要 |
An image processing apparatus includes: a center line determination section which determines a center line of a tubular tissue based on volume data; a direction vector determination section which determines a direction vector; a curved surface determination section which determines a curved surface formed by a set of plural lines, each of the plural lines passing through a certain point on the center line and being parallel with the direction vector; a visualizing section which visualizes the tubular tissue based on the volume data on the curved surface; and a tangent vector determination section which determines a tangent vector of the center line at an attention point on the center line. The direction vector determination section rotates the direction vector such that an angle formed between the direction vector and the tangent vector is maintained, and the rotated direction vector will be a new curved surface.
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