Information Processing Apparatus and Program

An information processing apparatus, comprising:

• an object information storage portion in which 3D voxel information, which is volume texture of a three-dimensional object, is stored;
• a slice information group storage portion in which a slice information group having multiple pieces of slice information is stored, the slice information being information constituted based on two-dimensional image data obtained as a result of extraction with multiple planes from the 3D voxel information, and being constituted by information of multiple points having positional information, which is information indicating position, and color information, which is information of color;
• a first mesh information storage portion in which first mesh information, which is three-dimensional mesh information of the three-dimensional object, is stored;
• a slice information group output portion that outputs the slice information group;
• an instruction receiving portion that receives an instruction for a given point or region in the slice information group that has been output;
• a second mesh information acquiring portion that deforms the first mesh information based on the instruction, thereby acquiring second mesh information constituting the deformed shape;
• a first slice information group acquiring portion that acquires a first slice information group, which is multiple pieces of slice information that do not have color information, based on the second mesh information;
• a color information determining portion that determines color information of each point that is contained in the multiple pieces of slice information constituting the first slice information group, and that corresponds to a point in the 3D voxel information;
• a second slice information group acquiring portion that sets new color information for each point in the first slice information group that has been acquired by the first slice information group acquiring portion, based on the color information of each point that has been determined by the color information determining portion, thereby acquiring a second slice information group;
• and
• a deformed object output portion that outputs the second slice information group.

An information processing apparatus, comprising:

• an object information storage portion in which 3D voxel information, which is volume texture of a three-dimensional object, is stored;
• a slice information group storage portion in which a slice information group having multiple pieces of slice information is stored, the slice information being information constituted based on two-dimensional image data obtained as a result of extraction with multiple planes from the 3D voxel information, and being constituted by information of multiple points having positional information, which is information indicating position, and color information, which is information of color;
• a first mesh information storage portion in which first mesh information, which is three-dimensional mesh information of the three-dimensional object, is stored;
• a slice information group output portion that outputs the slice information group;
• an instruction receiving portion that receives an instruction for a given region in the slice information group that has been output;
• a second mesh information acquiring portion that deforms the first mesh information based on the instruction, thereby acquiring second mesh information constituting the deformed shape;
• a first slice information group acquiring portion that acquires a first slice information group, which is multiple pieces of slice information that do not have color information, based on the second mesh information;
• a color information determining portion that determines color information of each point that is contained in the multiple pieces of slice information constituting the first slice information group, and that corresponds to a point in the 3D voxel information;
• a second slice information group acquiring portion that sets new color information for each point in the first slice information group that has been acquired by the first slice information group acquiring portion, using the color information of each point that has been determined by the color information determining portion, thereby acquiring a second slice information group;
• and
• a deformed object output portion that outputs the second slice information group.

An information processing apparatus, comprising:

• a slice information group storage portion in which a slice information group having multiple pieces of slice information is stored, the slice information being information constituted based on image data on a plane obtained as a result of extraction from 3D voxel information, which is volume texture of a three-dimensional object, and being constituted by information of multiple points having positional information, which is information indicating position;
• an input receiving portion that receives input regarding a three-dimensional region mask having a three-dimensional geometric shape, and input regarding elasticity information, which is information of elasticity;
• a mesh information acquiring portion that acquires mesh information, which is three-dimensional mesh information constituting the three-dimensional region mask;
• and
• an elasticity information setting portion that sets elasticity information based on the input that has been received by the input receiving portion, for each point that is contained in each slice information of the slice information group, and that is contained in an internal region, which is a region inside the mesh information, based on the mesh information.

An information processing apparatus, comprising:

• an object information storage portion in which 3D voxel information, which is volume texture of a three-dimensional object, is stored;
• a first slice information group storage portion in which a first slice information group is stored, the first slice information group being multiple pieces of slice information obtained as a result of extraction from the 3D voxel information using a first three-dimensional region mask, which is a three-dimensional region mask extracting the 3D voxel information and having a three-dimensional geometric shape;
• an input receiving portion that receives input regarding a second three-dimensional region mask, which is a three-dimensional region mask at the second order;
• a second mesh information acquiring portion that acquires second mesh information, which is three-dimensional mesh information constituting the second three-dimensional region mask;
• and
• an object output portion that determines an internal region, which is a region inside the second mesh information, and an external region, which is a region outside the second mesh information, for each slice information in the first slice information group, based on the second mesh information, acquires a second slice information group in which the internal region and the external region are visually distinguished from each other, and outputs the second slice information group.

An information processing apparatus, comprising:

• a first slice information group storage portion in which at least two pieces of first slice information are stored, the first slice information being slice information, and having arrangement information, which is information relating to arrangement;
• an origin information storage portion in which origin information, which is information indicating the position of an origin of X-ray irradiation, is stored;
• a second slice information group acquiring portion that performs extraction from each of the at least two pieces of first slice information, perpendicularly to each of the multiple pieces of slice information and radially from the position indicated by the origin information, using arrangement information of each of the multiple pieces of slice information, thereby acquiring multiple pieces of second slice information;
• a magnification calculating portion that calculates, for each of the multiple pieces of second slice information, a magnification that is an enlargement ratio or reduction ratio of each second slice information, using arrangement information of the second slice information;
• a third slice information group acquiring portion that enlarges or reduces each of the multiple pieces of second slice information according to the magnification that has been calculated by the magnification calculating portion, thereby acquiring multiple pieces of third slice information;
• and
• an output portion that outputs the multiple pieces of third slice information in a superimposed manner.

A program product for causing a computer to execute:

• a slice information group output step of outputting a slice information group having multiple pieces of slice information, the slice information being information constituted based on two-dimensional image data obtained as a result of extraction with multiple planes from 3D voxel information, which is volume texture of a three-dimensional object acquired by capturing with a medical device, and being constituted by information of multiple points having positional information, which is information indicating position, and elasticity information, which is information of elasticity;
• an instruction receiving step of receiving an instruction for a given point or region in the slice information group that has been output;
• a positional information acquiring step of acquiring at least one piece of positional information of the point, or a point constituting the region, corresponding to the instruction;
• an elasticity information acquiring step of acquiring at least one piece of elasticity information paired with the at least one piece of positional information that has been acquired in the positional information acquiring step;
• and
• an elasticity information output step of performing output based on the at least one piece of elasticity information that has been acquired in the elasticity information acquiring step.

A program product for causing a computer to execute:

• a slice information group output step of outputting a slice information group having multiple pieces of slice information, the slice information being information constituted based on two-dimensional image data obtained as a result of extraction with multiple planes from 3D voxel information, which is volume texture of a three-dimensional object acquired by capturing with a medical device, and being constituted by information of multiple points having positional information, which is information indicating position, color information, which is information of color, and elasticity information, which is information of elasticity;
• an instruction receiving step of receiving an instruction for a given point or region in the slice information group that has been output;
• a second mesh information acquiring step of deforming stored first mesh information based on the instruction, thereby acquiring second mesh information constituting the deformed shape;
• a first slice information group acquiring step of acquiring a first slice information group, which is multiple pieces of slice information that do not have color information, based on the second mesh information;
• a color information determining step of determining color information of each point that is contained in the multiple pieces of slice information constituting the first slice information group, and that corresponds to a point in the 3D voxel information;
• a second slice information group acquiring step of setting new color information for each point in the first slice information group that has been acquired in the first slice information group acquiring step, based on the color information of each point that has been determined in the color information determining step, thereby acquiring a second slice information group;
• a deformed object output step of outputting the second slice information group;
• a positional information acquiring step of acquiring at least one piece of positional information of the point, or a point constituting the region, corresponding to the instruction;
• an elasticity information acquiring step of acquiring at least one piece of elasticity information paired with the at least one piece of positional information that has been acquired in the positional information acquiring step;
• and
• an elasticity information output step of performing output based on the at least one piece of elasticity information that has been acquired in the elasticity information acquiring step.

A program product for causing a computer to execute the following steps:

• wherein in the computer, a slice information group having multiple pieces of slice information, and first mesh information, which is three-dimensional mesh information of a three-dimensional object, are stored, the slice information being information constituted based on two-dimensional image data obtained as a result of extraction with multiple planes from 3D voxel information acquired by capturing with a medical device, and being constituted by information of multiple points having positional information, which is information indicating position, and color information, which is information of color,
• a slice information group output step of outputting the slice information group;
• an instruction receiving step of receiving an instruction for a given region in the slice information group that has been output;
• a second mesh information acquiring step of deforming the first mesh information based on the instruction, thereby acquiring second mesh information constituting the deformed shape;
• a first slice information group acquiring step of acquiring a first slice information group, which is multiple pieces of slice information that do not have color information, based on the second mesh information;
• a color information determining step of determining color information of each point that is contained in the multiple pieces of slice information constituting the first slice information group, and that corresponds to a point in the 3D voxel information;
• a second slice information group acquiring step of setting new color information for each point in the first slice information group that has been acquired in the first slice information group acquiring step, using the color information of each point that has been determined in the color information determining step, thereby acquiring a second slice information group;
• and
• a deformed object output step of outputting the second slice information group.

A program product for causing a computer to execute:

• a slice information group output step of outputting a slice information group having multiple pieces of slice information, the slice information being information constituted based on two-dimensional image data obtained as a result of extraction with multiple planes from 3D voxel information acquired by capturing with a medical device, and being constituted by information of multiple points having positional information, which is information indicating position, and elasticity information, which is information of elasticity;
• an input receiving step of receiving input regarding a three-dimensional region mask having a three-dimensional geometric shape, and input regarding elasticity information, which is information of elasticity;
• a mesh information acquiring step of acquiring mesh information, which is three-dimensional mesh information constituting the three-dimensional region mask;
• and
• an elasticity information setting step of setting elasticity information based on the input that has been received in the input receiving step, for each point that is contained in each slice information of the slice information group, and that is contained in an internal region, which is a region inside the mesh information, based on the mesh information

A program product for causing a computer to execute the following steps:

• wherein in the computer, 3D voxel information acquired by capturing with a medical device and a first slice information group are stored, the first slice information group being multiple pieces of slice information obtained as a result of extraction from the 3D voxel information using a first three-dimensional region mask, which is a three-dimensional region mask extracting the 3D voxel information and having a three-dimensional geometric shape,
• an input receiving step of receiving input regarding a second three-dimensional region mask, which is a three-dimensional region mask at the second order;
• a second mesh information acquiring step of acquiring second mesh information, which is three-dimensional mesh information constituting the second three-dimensional region mask;
• and
• an object output step of determining an internal region, which is a region inside the second mesh information, and an external region, which is a region outside the second mesh information, for each slice information in the first slice information group, based on the second mesh information, and outputting the first slice information group such that the internal region and the external region are visually distinguished from each other.

A program product for causing a computer to execute:

• a second slice information group acquiring step of performing extraction from each of at least two pieces of first slice information that are stored, perpendicularly to each of the multiple pieces of slice information and radially from the position indicated by origin information, using arrangement information of each of the multiple pieces of slice information, thereby acquiring multiple pieces of second slice information;
• a magnification calculating step of calculating, for each of the multiple pieces of second slice information, a magnification that is an enlargement ratio or reduction ratio of each second slice information, using arrangement information of the second slice information;
• a third slice information group acquiring step of enlarging or reducing each of the multiple pieces of second slice information according to the magnification that has been calculated in the magnification calculating step, thereby acquiring multiple pieces of third slice information;
• and
• an output step of outputting the multiple pieces of third slice information in a superimposed manner.