VISUALIZING REGION GROWING IN THREE DIMENSIONAL VOXEL VOLUMES

• US 20100171740A1
• Filed: 03/17/2009
• Published: 07/08/2010
• Est. Priority Date: 03/28/2008
• Status: Active Grant

• Current Assignee: Schlumberger Technology Corporation (SLB)
• Original Assignee: Schlumberger Technology Corporation (SLB)
• Inventors: Dysvik, Bjarte, Pepper, Randolph E.F., Andersen, Jahn Otto Naesgaard
• Granted Patent: US 8,803,878 B2
• Time in Patent Office: Days
• US Class Current: 345/424
• CPC Class Codes: G01V 2210/641 Continuity of geobodies
• CPC Class Codes: G01V 99/00 Subject matter not provided for in other groups of this subclass
• CPC Class Codes: G06T 7/11 Region-based segmentation
• CPC Class Codes: G06T 7/149 involving deformable models, e.g. active contour models

Abstract

Visualizing region growing in 3D voxel volumes relates to generating a 3D scene having a plurality of voxels for representing a volume data set of seismic data collected from the oilfield, defining a segmentation algorithm for segmenting the volume data within the 3D scene, the segmentation algorithm comparing a pre-determined threshold to an attribute of a voxel of the plurality of voxels, defining a control parameter associated with the attribute for controlling the segmentation algorithm, adjusting the control parameter to guide the segmentation algorithm in segmenting the volume data set to generate a visualized geobody, and displaying the visualized geobody.

Claims

1. A method for visualizing region growing in three dimensional (3D) voxel volumes, comprising:

generating a 3D scene having a plurality of voxels for representing a volume data set of seismic data collected from the oilfield;

defining a segmentation algorithm for segmenting the volume data within the 3D scene, the segmentation algorithm comparing a pre-determined threshold to an attribute of a voxel of the plurality of voxels;

defining a control parameter associated with the attribute for controlling the segmentation algorithm;

adjusting the control parameter to guide the segmentation algorithm in segmenting the volume data set to generate a visualized geobody; and

displaying the visualized geobody.

2. The method of claim 1, further comprising:

incrementing a count based on generating the visualized geobody;

comparing the count to a target count to generate a comparison result; and

automatically adjusting at least one selected from a group consisting of the attribute and the control parameter based on the comparison result.

3. The method of claim 1, wherein the control parameter is adjusted interactively by a user.

4. The method of claim 1, wherein the control parameter is defined to increase the pre-determined threshold.

5. The method of claim 1, wherein the control parameter is defined to decrease the pre-determined threshold.

6. The method of claim 1,

wherein the segmentation algorithm compares the attribute and a second attribute of the voxel to a first threshold and a second threshold respectively,

wherein a first control parameter associated with the voxel is defined to increase the first threshold, and

wherein a second control parameter associated with the voxel is defined to decrease the second threshold.

7. The method of claim 1, wherein the control parameter is defined to vary in time in segmenting the volume data set.

8. The method of claim 1, wherein the control parameter is defined by positioning a 3D object at a plurality of locations within the 3D scene, the 3D object being associated with a threshold modifying algorithm for controlling the segmentation algorithm within a portion of the 3D scene overlapped by the 3D object.

9. The method of claim 8, wherein the threshold modifying algorithm is based on a spatial parameter within the 3D object.

10. The method of claim 8, further comprising:

dragging the 3D object about the plurality of locations,

wherein the 3D object is positioned and dragged by a user,

wherein the threshold modifying algorithm is based on manipulating a user pointing device for positioning and dragging the 3D object to emulate a spray painting action.

11. A method of performing operations for an oilfield, comprising:

generating a 3D scene having a plurality of voxels for representing a volume data set of seismic data collected from the oilfield;

defining a segmentation algorithm for segmenting the volume data within the 3D scene, the segmentation algorithm comparing a pre-determined threshold to an attribute of a voxel of the plurality of voxels;

defining a control parameter associated with the attribute by positioning a 3D object at a plurality of locations within the 3D scene for controlling the segmentation algorithm within a portion of the 3D scene overlapped by the 3D object;

segmenting the volume data set to generate a visualized geobody based on the segmentation algorithm and the control parameter;

storing the visualized geobody; and

selectively adjusting the operations of the oilfield based on the visualized geobody.

12. The method of claim 11, wherein the 3D object is associated with a threshold modifying algorithm for controlling the segmentation algorithm, the threshold modifying algorithm being based on a spatial parameter within the 3D object.

13. The method of claim 11, further comprising:

dragging the 3D object about the plurality of locations,

wherein the 3D object is positioned and dragged by a user, and

wherein the 3D object is associated with a threshold modifying algorithm for controlling the segmentation algorithm, the threshold modifying algorithm being based on manipulating an user pointing device for positioning and dragging the 3D object to emulate a spray painting action.

14. A computer readable medium, embodying instructions executable by the computer for automatically adjusting at least one selected from a group consisting of an attribute and a control parameter while visualizing region growing in three dimensional (3D) voxel volumes, the instructions comprising functionality for:

generating a 3D scene having a plurality of voxels for representing a volume data set of seismic data collected from the oilfield;

defining a segmentation algorithm for segmenting the volume data within the 3D scene, the segmentation algorithm comparing a pre-determined threshold to the attribute of a voxel of the plurality of voxels;

defining the control parameter associated with the attribute, the control parameter modifying the pre-determined threshold for controlling the segmentation algorithm;

adjusting the control parameter to guide the segmentation algorithm in segmenting the volume data set to generate a visualized geobody;

displaying the visualized geobody;

incrementing a count based on generating the visualized geobody;

comparing the count to a target count to generate a comparison result; and

automatically adjusting at least one selected from a group consisting of the attribute and the control parameter based on the comparison result

15. The computer readable medium of claim 14, wherein the control parameter is adjusted interactively by a user.

16. The computer readable medium of claim 14,

wherein the segmentation algorithm compares the attribute and a second attribute of the voxel to a first threshold and a second threshold respectively,

wherein a first control parameter associated with the voxel is defined to increase the first threshold, and

wherein a second control parameter associated with the voxel is defined to decrease the second threshold.

17. The computer readable medium of claim 14, wherein the control parameter is defined to vary in time in segmenting the volume data set.

18. The computer readable medium of claim 14, wherein the control parameter is defined by positioning a 3D object at a plurality of locations within the 3D scene, the 3D object being associated with a threshold modifying algorithm for controlling the segmentation algorithm within a portion of the 3D scene overlapped by the 3D object.

19. The computer readable medium of claim 18, wherein the threshold modifying algorithm is based on a spatial parameter within the 3D object.

20. The computer readable medium of claim 18, the instructions further comprising functionality for:

dragging the 3D object about the plurality of locations,

wherein the 3D object is positioned and dragged by a user,

wherein the threshold modifying algorithm is based on manipulating a user pointing device for positioning and dragging the 3D object to emulate a spray painting action.