JPS6488694A - Three-dimensional reprojector - Google Patents
Three-dimensional reprojectorInfo
- Publication number
- JPS6488694A JPS6488694A JP62245417A JP24541787A JPS6488694A JP S6488694 A JPS6488694 A JP S6488694A JP 62245417 A JP62245417 A JP 62245417A JP 24541787 A JP24541787 A JP 24541787A JP S6488694 A JPS6488694 A JP S6488694A
- Authority
- JP
- Japan
- Prior art keywords
- dimensional
- picture
- tomographic images
- reprojected
- reprojecting
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 230000002093 peripheral effect Effects 0.000 abstract 3
- PXFBZOLANLWPMH-UHFFFAOYSA-N 16-Epiaffinine Natural products C1C(C2=CC=CC=C2N2)=C2C(=O)CC2C(=CC)CN(C)C1C2CO PXFBZOLANLWPMH-UHFFFAOYSA-N 0.000 abstract 1
- 230000009466 transformation Effects 0.000 abstract 1
Landscapes
- Analysing Materials By The Use Of Radiation (AREA)
- Apparatus For Radiation Diagnosis (AREA)
- Magnetic Resonance Imaging Apparatus (AREA)
- Image Generation (AREA)
Abstract
PURPOSE:To obtain a three-dimensional reprojected picture at high speed by the use of a two-dimensional picture processing means by rotating respective stored tomographic images in a reprojecting direction, obtaining the peripheral distribution of a variable density in the respective rotated tomographic images and outputting as the line data of the reprojected picture. CONSTITUTION:The successive tomographic images successively formed in a tomographic image forming device 1 are sequentially stored in a two-dimensional picture memory 2, thereafter, the respective tomographic images of the two dimensional picture memory 2 are read by a two-dimensional affine transformation means 3 and rotated in the reprojecting direction. The integrating distribution of the variable density values in the x, y directions of the respective tomographic images rotated in the reprojecting direction is obtained by the use of a two-dimensional peripheral distribution measuring means 4, thereafter, the peripheral distribution data is outputted as the line data of the reprojected picture. Thereby, the three-dimensional reprojected picture can be obtained at high speed by the use of the two-dimensional picture processing means.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP62245417A JPS6488694A (en) | 1987-09-29 | 1987-09-29 | Three-dimensional reprojector |
| US07/502,916 US5309356A (en) | 1987-09-29 | 1990-04-02 | Three-dimensional reprojected image forming apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP62245417A JPS6488694A (en) | 1987-09-29 | 1987-09-29 | Three-dimensional reprojector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6488694A true JPS6488694A (en) | 1989-04-03 |
Family
ID=17133344
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP62245417A Pending JPS6488694A (en) | 1987-09-29 | 1987-09-29 | Three-dimensional reprojector |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6488694A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9135706B2 (en) | 2007-12-18 | 2015-09-15 | Koninklijke Philips N.V. | Features-based 2D-3D image registration |
-
1987
- 1987-09-29 JP JP62245417A patent/JPS6488694A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9135706B2 (en) | 2007-12-18 | 2015-09-15 | Koninklijke Philips N.V. | Features-based 2D-3D image registration |
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