Image processing method

An image processing apparatus comprising:

• memory means for storing a volume ratio derived, in a three-dimensional space having X-Y orthogonal coordinate system and a gray level axis perpendicular to X and Y axes separated by a plurality of rectangular solids, for one of the rectangular solids crossed by a curved surface representing a density distribution corresponding to multivalue image data input;
• generating means for reproducing a curved surface representing a density distribution on the basis of the volume ratio for the rectangular solid stored in said memory means and the volume ratio for a rectangular solid adjacent to that rectangular solid and for generating multivalue image data on the basis of the reproduced curved surface;
• and
• output means for outputting an image on the basis of the multivalue image data generated by said generating means.

An image processing apparatus comprising:

• input means for inputting dynamic image data representing a dynamic image;
• deriving means for deriving, in a three-dimensional space having X-Y orthogonal coordinate system and a time axis perpendicular to X and Y axes separated by a plurality of rectangular solids, a volume ratio for one of the rectangular solids crossed by a surface of a solid representing a set of the dynamic image data input by said input means;
• and
• memory means for storing the volume ratio derived by said deriving means.

An image processing apparatus comprising:

• memory means for storing a volume ratio derived, in a three-dimensional space having X-Y orthogonal coordinate system and a time axis perpendicular to X and Y axes separated by a plurality of rectangular solids, for one of the rectangular solids crossed by a surface of a solid representing a set of dynamic image data input;
• generating means for reproducing a surface of a solid representing a set of dynamic image data on the basis of the volume ratio for the rectangular solid stored in said memory means and the volume ratio for a rectangular solid adjacent to that rectangular solid and for generating dynamic image data on the basis of the reproduced solid surface;
• and
• output means for outputting a dynamic image on the basis of the dynamic image data generated by said generating means.

An image processing method comprising the steps of:

• inputting multivalue image data representing an image;
• deriving, in a three-dimensional space having X-Y orthogonal coordinate system and a gray level axis perpendicular to X and Y axes separated by a plurality of rectangular solids, a volume ratio for one of the rectangular solids crossed by a curved surface representing a density distribution corresponding to the multivalue image data input in the input step;
• and
• storing the volume ratio derived in the deriving step in a memory.

An image processing method comprising:

• an input step for inputting dynamic image data representing a dynamic image;
• a deriving step for deriving, in a three-dimensional space having X-Y orthogonal coordinate system and a time axis perpendicular to X and Y axes separated by a plurality of rectangular solids, a volume ratio for one of the rectangular solids crossed by a surface of a solid representing a set of the dynamic image data input in the input step;
• and
• a storing step for storing, in a memory, the volume ratio derived in the deriving step.

An image processing apparatus comprising:

• input means for inputting dynamic multivalue image data representing a dynamic image;
• deriving means for deriving, in a four-dimensional Euclidean space having X-Y orthogonal coordinate system, a time axis, and a gray level axis separated by a plurality of four-dimensional rectangular solids, a volume ratio for one of the rectangular solids crossed by a curved surface representing a density distribution corresponding to the multivalue image data input by said input means;
• and
• memory means for storing the volume ratio derived by said deriving means.

An image processing apparatus comprising:

• memory means for storing a volume ratio derived, in a four-dimensional Euclidean space having X-Y orthogonal coordinate system and a time axis separated by a plurality of four-dimensional rectangular solids, for one of the rectangular solids crossed by a surface of a solid representing a set of dynamic image data input;
• generating means for reproducing a surface of a solid representing a set of dynamic multivalue image data on the basis of the volume ratio for the rectangular solid stored in said memory means and the volume ratio for a rectangular solid adjacent to that rectangular solid and for generating dynamic image data on the basis of the reproduced solid surface;
• and
• output means for outputting a dynamic image on the basis of the dynamic image data generated by said generating means.

An image processing method comprising the steps of:

• inputting dynamic multivalue image data representing a dynamic image;
• deriving, in a four-dimensional Euclidean space having X-Y orthogonal coordinate system, a time axis, and a gray level axis separated by a plurality of four-dimensional rectangular solids, a volume ratio for one of the rectangular solids crossed by a curved surface representing a density distribution corresponding to the multivalue image data input in said inputting step;
• and
• storing, in a memory, the volume ratio derived in said deriving step.

An image processing method comprising thte steps of:

• storing, in a memory, a volume ratio derived, in a four-dimensional Euclidean space having X-Y orthogonal coordinate system and a time axis separated by a plurality of four-dimensional rectangular solids, for one of the rectangular solids crossed by a surface of a solid representing a set of dynamic image data input;
• reproducing a surface of a solid representing a set of dynamic multivalue image data on the basis of the volume ratio for the rectangular solid stored in said storing step and the volume ratio for a rectangular solid adjacent to that rectangular solid and for generating dynamic image data on the basis of the reproduced solid surface;
• and
• outputting a dynamic image on the basis of the dynamic image data generated in said reproducing and generating step.