Systems and methods for projecting and displaying acoustic data

Patent metadata

Field	Value
Publication number	US-12360241-B2
Application number	US-201917262485-A
Country	US
Kind code	B2
Filing date	Jul 24, 2019
Priority date	Jul 24, 2018
Publication date	Jul 15, 2025
Grant date	Jul 15, 2025

Abstract

Systems can include an acoustic sensor array configured to receive acoustic signals, an illuminator configured to emit electromagnetic radiation, an electromagnetic imaging tool configured to receive electromagnetic radiation, a distance measuring tool, and a processor. The processor can illuminate the target scene via the illuminator, receive electromagnetic image data from the electromagnetic imaging tool representative of the illuminated scene, receive acoustic data from the acoustic sensor array, and receive distance information from the distance measuring tool. The processor can be further configured to generate acoustic image data of the scene based on the received acoustic data and received distance information and generate a display image comprising combined acoustic image data and electromagnetic image data. The processor can determine depths of various acoustic signals within a scene and generate a representation of the scene the shows the determined depths, including floorplan and volumetric representations.

First claim

The invention claimed is:

1. A system for acoustic analysis, comprising:
an illuminator configured to emit electromagnetic radiation toward a scene, the illuminator being configured to selectively emit electromagnetic radiation in a first range of wavelengths and in a second range of wavelengths different from the first range of wavelengths according to user input, wherein the user input selects the first range of wavelengths or the second range of wavelengths for emission of the electromagnetic radiation toward the scene;
an electromagnetic imaging tool configured to receive electromagnetic radiation from the scene including electromagnetic radiation in the first range of wavelengths and the second range of wavelengths; and
a processor in communication with the illuminator and the electromagnetic imaging tool, the processor being configured to:
cause the illuminator to emit the electromagnetic radiation in a selected range of wavelengths;
generate a co-location image that includes an object in the scene and a representation of an acoustic signal co-located with the object, wherein the object is formed in the co-location image based at least in part on electromagnetic radiation reflected by the object and received by the electromagnetic imaging tool.

2. The system of claim 1 , wherein the first range of wavelengths comprises visible light and the second range of wavelengths comprises near-infrared light.

3. The system of claim 1 , wherein the illuminator comprises a first illuminator configured to emit electromagnetic radiation in the first range of wavelengths and a second illuminator configured to emit electromagnetic radiation in the second range of wavelengths.

4. The system of claim 1 , further comprising a distance measuring tool configured to measure a distance to the object in the scene based on electromagnetic radiation emitted toward and reflected by the object, wherein the processor is configured to determine an acoustic parameter of the acoustic signal co-located with the object based on a distance to the object as measured by the distance measuring tool, and wherein the co-location image includes a visible indication of the electromagnetic radiation reflected by the object.

5. The system of claim 1 , wherein the electromagnetic imaging tool comprises a visible light camera and an infrared camera.

6. The system of claim 1 , further comprising an ambient light sensor in communication with processor, wherein the processor is configured to receive data from the ambient light sensor representative of an amount of ambient light.

7. The system of claim 6 , wherein the processor is configured to cause the illuminator to emit the electromagnetic radiation in the first range of wavelengths or the second range of wavelengths in response to the amount of ambient light being below a threshold.

8. The system of claim 1 , further comprising a laser pointer in communication with the processor, wherein the processor is configured to cause the laser pointer to emit a laser toward the scene, the laser including a wavelength detectable by the electromagnetic imaging tool.

9. The system of claim 1 , further comprising:
a display in communication with the processor, wherein the processor is configured to communicate the co-location image to the display and include in the co-location image a representation of an acoustic parameter of at least one acoustic signal in the scene, the acoustic parameter being determined based on a measured distance to an acoustic source in the scene.

10. A system for acoustic inspection, comprising:
an acoustic sensor array configured to output acoustic data based on one or more acoustic signals received from a scene;
a light emitting device configured to emit electromagnetic radiation in an adjustable direction; and
a processor configured to:
receive acoustic data from the acoustic sensor array;
determine, based on the acoustic data, a location of an acoustic signal in the scene; and
cause the light emitting device to emit electromagnetic radiation in a direction toward the location of the acoustic signal,
wherein the processor is configured to adjust the adjustable direction of the electromagnetic radiation from the light emitting device according to the location of the acoustic signal in the scene independent of a positioning of the acoustic sensor array.

11. The system of claim 10 , wherein the light emitting device comprises a laser pointer having an adjustable direction controllable by the processor, and the electromagnetic radiation emitted toward the location of the acoustic signal comprises a laser emitted by the laser pointer toward the location of the acoustic signal.

12. The system of claim 11 , wherein the laser pointer is configured to emit a laser toward each location of a plurality of locations of respective acoustic signals by adjusting the adjustable direction of the laser pointer to emit the laser toward each location in series.

13. The system of claim 10 , wherein the light emitting device comprises a projection system having a projector in communication with the processor and having an adjustable projection direction, the adjustable projection direction being controllable by the processor, and wherein the processor is configured to cause the projector to emit the electromagnetic radiation toward the location of the acoustic signal.

14. The system of claim 13 , wherein the electromagnetic radiation emitted toward the location of the acoustic signal represents one or more acoustic parameters of the acoustic signal.

15. The system of claim 14 , wherein the electromagnetic radiation emitted toward the location of the acoustic signal includes a color palettization representing an acoustic parameter associated with the acoustic signal.

16. The system of claim 14 , wherein the one or more acoustic parameters includes an intensity, frequency, or periodicity of the acoustic signal.

17. The system of claim 13 , wherein the processor is configured to cause the projector to emit electromagnetic radiation toward a plurality of locations of respective acoustic signals in the scene.

18. The system of claim 17 , wherein the processor is configured to determine one or more acoustic parameters of each acoustic signal and emit electromagnetic radiation toward locations of only those acoustic signals having one or more acoustic parameters satisfying one or more conditions.

19. The system of claim 10 , further comprising:
an electromagnetic imaging tool configured to output electromagnetic image data representative of electromagnetic radiation received from the scene; and
a distance measuring tool configured to measure distance,
wherein the processor is configured to:
receive electromagnetic image data representative of the scene from the electromagnetic imaging tool;
receive, from the distance measuring tool, a distance to a source of the acoustic signal in the scene;
determine an acoustic parameter of the acoustic signal based on the distance to the source of the acoustic signal; and
generate an image based on the electromagnetic image data and the acoustic parameter of the acoustic signal, the image including a representation of the acoustic signal based on the acoustic parameter.

20. The system of claim 19 , further comprising a user interface, wherein the processor is configured to:
receive a selection, via the user interface, of a selected acoustic signal in the scene; and
cause the light emitting device to emit the electromagnetic radiation toward a location of the sele

Assignees

• Fluke Corp

Inventors

• Stuart Michael D
• Prabhakar Dileepa
• Ferrante Joseph V
• Tsukamaki Scott M
• Witt Darwin C

Classifications

• H04N23/80

  Camera processing pipelines; Components thereof · CPC title

• G01M3/022

  Test plugs for closing off the end of a pipe · CPC title

• H04N23/95

  Computational photography systems, e.g. light-field imaging systems · CPC title

• G01S3/808

  using transducers spaced apart and measuring phase or time difference between signals therefrom, i.e. path-difference systems · CPC title

• G06T11/00

  Two-dimensional [2D] image generation · CPC title