1. An X-ray CT scanner comprising:
a device configured to acquire projection data for a three-dimensional region of a subject;
an extracting device configured to extract projection data of a plurality of specified slice planes partially from the acquired projection data for the three-dimensional region of the subject;
a positioning-image generation device configured to generate a plurality of positioning images at intervals on the basis of the extracted projection data;
a display device configured to display the positioning images;
a section setting device configured to set a section in a desired direction intersecting the displayed positioning images in accordance with an instruction of an operator;
a device configured to specify a plurality of partial reconstruction portions at intervals in regions in the vicinity of where said positioning images intersect the set section;
a device configured to generate a plurality of partial images for the plurality of partial reconstruction portions on the basis of the acquired projection data; and
a device configured to generate an image for the section on the basis of the plurality of partial images,
wherein the plurality of positioning images are arranged at intervals larger than those of the plurality of partial images.
2. The X-ray CT scanner according to claim 1, wherein the plurality of positioning images substantially intersect a body axis of the subject at right angles.
3. The X-ray CT scanner according to claim 2, wherein the partial image is a part of the reconstruction plane that substantially intersects the body axis of the subject at right angles.
4. The X-ray CT scanner according to claim 1, wherein:
the interval between the partial images is equal to a slice pitch for acquiring the projection data; and
the interval between the positioning images is an integer multiple of the slice pitch, or at least twice as large as the slice pitch.
5. The X-ray CT scanner according to claim 1, further comprising a device configured to generate a three-dimensional image from the plurality of positioning images.
6. The X-ray CT scanner according to claim 5, wherein the three-dimensional image is generated by volume rendering.
7. An image generation apparatus comprising:
a positioning-image generation device configured to generate a plurality of positioning images at intervals on the basis of projection data partially extracted from a plurality of projection data for a three-dimensional region of a subject;
a display device configured to display the positioning images;
a section setting device configured to set a section in a desired direction intersecting the displayed positioning images in accordance with the instruction of an operator;
a device configured to specify a plurality of partial reconstruction portions at intervals in portions of the three-dimensional region of interest intersecting the set section;
a device configured to generate a plurality of partial images for the plurality of partial reconstruction portions on the basis of the plurality of projection data for the three-dimensional region of the subject; and
a device configured to generate an image for the section on the basis of the plurality of partial images,
wherein the plurality of positioning images are arranged at intervals larger than those of the plurality of partial images.
8. A method for generating image data, comprising the steps of:
extracting projection data of at least one specified slice plane from the projection data in the plurality of slice planes for the subject;
generating a plurality of positioning images at intervals on the basis of the extracted projection data;
displaying the plurality of positioning images;
specifying a plurality of partial reconstruction portions at intervals in portions of the three-dimensional region of interest intersecting a section set in a desired direction on the displayed positioning image;
reconstructing a plurality of partial images for the plurality of reconstruction portions on the basis of the acquired projection data; and
generating an image for the set section from the plurality of reconstructed partial images,
wherein the plurality of positioning images are generated at intervals larger than those of the plurality of partial images.
9. The X-ray CT scanner according to claim 1, wherein the section is a two-dimensional section.
10. The image generation apparatus according to claim 7, wherein the section is a two-dimensional section.
11. The method for generating image data according to claim 8, wherein the section is a two-dimensional section.
The claims below are in addition to those above.
All refrences to claim(s) which appear below refer to the numbering after this setence.
1-10. (canceled)
11. A method of producing a flavor improving agent wherein a molar ratio of polyphenols to saccharides (polyphenolssaccharides) after acid hydrolysis is in a range of 0.1 to 10 and a molar ration of polyphenols to saccharides (polyphenolssaccharides) before acid hydrolysis is in a range of 1 to 100, which is obtained by adsorbing fruit juice or squeeze onto a synthetic resin adsorbent and eluting the absorbed ingredients with a solvent.
12. A method of producing a flavor improving agent wherein a molar ratio of polyphenols to saccharides (polyphenolssaccharides) after acid hydrolysis is in a range of 0.1 to 10 and a molar ration of polyphenols to saccharides (polyphenolssaccharides) before acid hydrolysis is in a range of 1 to 100, which is obtained by extracting fruit juice or squeeze with ethanol.
13. The method of producing a flavor improving agent according to claim 11, wherein, the fruit is at least one selected from the group consisting of orange, lemon, grapefruit, lime, blueberry, strawberry, apple, pear, grape, melon, pineapple, peach, mango, and banana.
14. The method of producing a flavor improving agent according to claim 11, wherein the solvent used for eluting the adsorbed ingredients is one selected from the group consisting of water, methanol, ethanol, acetone, ethyl acetate, and a mixture thereof.
15. The method of producing a flavor improving agent according to claim 12, wherein, the fruit is at least one selected from the group consisting of orange, lemon, grapefruit, lime, blueberry, strawberry, apple, pear, grape, melon, pineapple, peach, mango, and banana.
16. The method of producing a flavor improving agent according to claim 12, wherein the solvent used for eluting the adsorbed ingredients is one selected from the group consisting of water, methanol, ethanol, acetone, ethyl acetate, and a mixture thereof.