Granted Patent B2

US 12,608,790 · App. 18/467,086 · Granted Apr 21, 2026

Inventors: Sheldon McCrackin (Yukon, OK); Yandong Wang (Camillus, NY)

Assignee: Baker Hughes Holdings LLC

G06T7/001G06T7/33G06T2207/20212G06T2207/30164

Abstract

Claims (58)

1 . A method comprising:

receiving data characterizing a first image and plurality of 3D surface points characterizing a mechanical component before a repair has been performed on the mechanical component, and a second image and plurality of 3D surface points characterizing the mechanical component after a repair has been performed on the mechanical component, wherein the repair comprises removing material from, or adding material to, the component, wherein the first and second images are acquired using an image sensor, and the 3D surface points characterizing the mechanical component before and after the repair are derived from images acquired using the image sensor;

determining a second set of data based on combining the received data, the second set of data characterizing an image and dimensions of the mechanical component before and after a repair has been performed on the component, wherein determining the second set of data comprises:

determining a 3D transformation to align the mechanical component as characterized by the first plurality of 3D surface points and the mechanical component as characterized by the second plurality of 3D surface points;

determining a first plurality of aligned 3D surface points and a second plurality of aligned 3D surface points using the 3D transformation

identifying features within the first image and the second image;

matching the features between the first image and the second image;

determining a 3D transformation matrix, wherein determining the first plurality of aligned 3D surface points and the second plurality of aligned 3D surface points using the 3D transformation comprises multiplying the 3D transformation matrix with the first or second plurality of 3D surface points; and

spatially transforming the first image to align with the second image, producing a transformed image;

determining a location of a work area and a size of the work area before the repair has been performed on the component and after the repair has been performed on the component, based on the second set of data; and

providing the second set of data and the determined location and size of the work area before the repair has been performed on the component and after the repair has been performed on the component.

2 . The method of claim 1 , further comprising repairing the mechanical component.

3 . The method of claim 1 , wherein the mechanical component includes a turbine blade or a weld.

4 . The method of claim 1 , wherein receiving the data comprises:

acquiring the data from a borescope positioned within a mechanical system.

5 . The method of claim 1 , wherein identifying features within the first image and the second image comprises identifying points indicative of the work area, wherein determining the location and the size comprises:

identifying features indicative of edges of the mechanical component; and

measuring a distance between the features indicative of the work area and the features indicative of the edges of the mechanical component.

6 . The method of claim 5 , wherein measuring a distance comprises measuring a plurality of distances, the method further comprising:

comparing the plurality of measured distances between the mechanical component before the repair and the mechanical component after repair;

determine an amount of material added or removed during the repair based on the comparison; and

provide the determined amount of material added or removed.

7 . The method of claim 1 , wherein providing the second set of data and the determined location and size comprises displaying an image.

8 . A system comprising:

at least one data processor; and

non-transitory memory storing instructions, which, when executed by the at least one data processor causes the at least one data processor to perform operations comprising:

receiving data characterizing a first image and plurality of 3D surface points characterizing a mechanical component before a repair has been performed on the mechanical component, and a second image and plurality of 3D surface points characterizing the mechanical component after a repair has been performed on the mechanical component, wherein the repair comprises removing material from, or adding material to, the component, wherein the first and second images are acquired using an image sensor, and the 3D surface points characterizing the mechanical component before and after the repair are derived from images acquired using the image sensor;

determining a second set of data based on combining the received data, the second set of data characterizing an image and dimensions of the mechanical component before and after a repair has been performed on the component, wherein determining the second set of data comprises:

determining a 3D transformation to align the mechanical component as characterized by the first plurality of 3D surface points and the mechanical component as characterized by the second plurality of 3D surface points;

determining a first plurality of aligned 3D surface points and a second plurality of aligned 3D surface points using the 3D transformation

identifying features within the first image and the second image;

matching the features between the first image and the second image;

determining a 3D transformation matrix, wherein determining the first plurality of aligned 3D surface points and the second plurality of aligned 3D surface points using the 3D transformation comprises multiplying the 3D transformation matrix with the first or second plurality of 3D surface points; and

spatially transforming the first image to align with the second image, producing a transformed image;

determining a location of a work area and a size of the work area before the repair has been performed on the component and after the repair has been performed on the component, based on the second set of data; and

providing the second set of data and the determined location and size of the work area before the repair has been performed on the component and after the repair has been performed on the component.

9 . The system, of claim 8 , wherein the mechanical component comprises a turbine blade.

10 . The system, of claim 8 , wherein the mechanical component comprises a weld.

11 . The system of claim 8 , wherein receiving the data comprises:

acquiring the data from a borescope positioned within a mechanical system.

12 . The system of claim 8 , wherein identifying features within the first image and the second image comprises identifying points indicative of the work area, wherein determining the location and the size comprises:

identifying features indicative of edges of the mechanical component; and

measuring a distance between the features indicative of the work area and the features indicative of the edges of the mechanical component.

13 . The system of claim 8 , wherein providing the second set of data and the determined location and size comprises displaying an image.

14 . A non-transitory computer readable memory storing instructions which, when executed by at least one data processor forming part of at least one computing system, causes the at least one data processor to perform operations comprising:

receiving data characterizing a first image and plurality of 3D surface points characterizing a mechanical component before a repair has been performed on the mechanical component, and a second image and plurality of 3D surface points characterizing the mechanical component after a repair has been performed on the mechanical component, wherein the repair comprises removing material from, or adding material to, the component, wherein the first and second images are acquired using an image sensor, and the 3D surface points characterizing the mechanical component before and after the repair are derived from images acquired using the image sensor;

determining a second set of data based on combining the received data, the second set of data characterizing an image and dimensions of the mechanical component before and after a repair has been performed on the component, wherein determining the second set of data comprises:

determining a 3D transformation to align the mechanical component as characterized by the first plurality of 3D surface points and the mechanical component as characterized by the second plurality of 3D surface points;

determining a first plurality of aligned 3D surface points and a second plurality of aligned 3D surface points using the 3D transformation

identifying features within the first image and the second image;

matching the features between the first image and the second image;

determining a 3D transformation matrix, wherein determining the first plurality of aligned 3D surface points and the second plurality of aligned 3D surface points using the 3D transformation comprises multiplying the 3D transformation matrix with the first or second plurality of 3D surface points; and

spatially transforming the first image to align with the second image, producing a transformed image;

determining a location of a work area and a size of the work area before the repair has been performed on the component and after the repair has been performed on the component, based on the second set of data; and

providing the second set of data and the determined location and size of the work area before the repair has been performed on the component and after the repair has been performed on the component.

15 . The non-transitory computer readable memory of claim 14 , wherein the mechanical component includes a turbine blade or a weld.

16 . The non-transitory computer readable memory of claim 14 , wherein receiving the data comprises:

acquiring the data from a borescope positioned within a mechanical system.

Assignments (2)

Continuity (1)

References Cited (9)