System architecture for thermal imaging and thermography cameras

• US 9,736,399 B2
• Filed: 03/13/2014
• Issued: 08/15/2017
• Est. Priority Date: 03/14/2013
• Status: Active Grant

• Current Assignee: DRS Network & Imaging Systems, LLC (Leonardo S.p.A.)
• Original Assignee: DRS Network & Imaging Systems, LLC (Leonardo S.p.A.)
• Inventors: Malone, II, James K., Southerland, Richard L., Emmett, Jeff R., Knapp, Mark S., Neal, Henry W., Blettner, Douglas A.
• Primary Examiner(s): Parikh, Dakshesh
• Application Number:
  US14/208,615
• Publication Number:
  US 20150271420A1
• Time in Patent Office: 1,251 Days
• Field of Search: None
• CPC Class Codes: H04N 5/33 Transforming infrared radiation cameras or camera modules for generating image signals from infrared radiation H04N23/20; circuitry of SSIS for transforming infrared radiation into image signals H04N25/20
• CPC Class Codes: H04N 5/44 Receiver circuitry for the reception of television signals according to analogue transmission standards H04N5/14 takes precedence
• CPC Class Codes: H04N 5/911 for the suppression of noise H04N5/932 takes precedence

Abstract

A thermal imaging camera includes an infrared detector operable to capture thermal video data, a processor coupled to the infrared detector and operable to process the thermal video data, and at least one communications interface operable to communicate the processed thermal video data to a consumer mobile device coupled thereto.

Claims

1. A thermal imaging system comprising:

a thermal imaging camera including;

an infrared detector operable to capture thermographic data, wherein the thermographic data includes a plurality of frames of thermal infrared data;

a temperature map component coupled to the infrared detector and operable to create a mapping for each frame of the plurality of frames of thermal infrared data based on the thermographic data and to generate a temperature map using the mapping;

a processor coupled to the infrared detector and operable to process the thermographic data; and

at least one communications interface configured to transmit a plurality of super frames of thermal infrared data, each super frame comprising a frame of thermal infrared data and a corresponding the temperature map; and

a consumer mobile device communicatively coupled to the thermal imaging camera.

2. The thermal imaging system of claim 1 wherein the thermal imaging camera further comprises:

a non-uniformity correction component; and

a bad pixel replacement component.

3. The thermal imaging system of claim 1 wherein the thermal imaging camera further comprises:

a frame integration unit;

a noise filter; and

an automatic gain control unit.

4. The thermal imaging system of claim 1 wherein the at least one communications interface comprises a wireless interface.

5. The thermal imaging system of claim 4 wherein the thermal imaging camera is coupled to the consumer mobile device via a WiFi wireless network.

6. The thermal imaging system of claim 1 wherein the at least one communications interface comprises a wired interface.

7. The thermal imaging system of claim 6 wherein the wired interface comprises a Universal Serial Bus (USB) connection.

8. A method of operating a thermal imaging camera as an element of an expandable architecture, the method comprising:

capturing thermographic video data using an infrared detector of the thermal imaging camera, wherein the thermographic video data includes a plurality of frames of thermal infrared data;

generating a mapping for each frame of the plurality of frames of the thermal infrared data;

generating the a temperature map based on at least the mapping, wherein the temperature map is generated prior to a contrast enhancement process of the thermographic video data;

processing the thermographic video data using a processor coupled to the infrared detector; and

providing the temperature map and the processed thermographic video data concurrently as a plurality of super frames of thermal infrared data, each super frame comprising a frame of processed thermographic video data and a corresponding temperature map in a data channel as a data stream via an interface of the thermal imaging camera to a consumer mobile device.

9. The method of claim 8 further comprising receiving, at the thermal imaging camera, control signals from the consumer mobile device.

10. The method of claim 8, further comprising:

providing certain components of the expandable architecture using the thermal imaging camera; and

providing remaining of the components of the expandable architecture using the consumer mobile device or applications running thereon.

11. The method of claim 8, further comprising integrating hardware and software capabilities of the consumer mobile device with capabilities of the thermal imaging camera.

12. The method of claim 8, wherein the expandable architecture is compatible with different consumer mobile devices having different applications running thereon.

13. The method of claim 8 wherein processing the thermal video data comprises at least one of performing non-uniformity correction, or performing bad pixel replacement.

14. The method of claim 8, wherein processing the thermographic video data comprises at least one of performing frame integration, noise filtering, or automatic gain control.

15. The method of claim 8 wherein the thermal imaging camera and the consumer mobile device are coupled via a wireless connection.

16. The method of claim 8 wherein the thermal imaging camera and the consumer mobile device are coupled via a wired connection.

17. A thermal imaging camera comprising:

an infrared detector operable to capture thermographic video data, wherein the thermographic video data includes a plurality of frames of thermal infrared data;

a processor coupled to the infrared detector and operable to process the thermographic video data;

a temperature map component coupled to the infrared detector and operable to create a mapping for each frame of the plurality of frames based on the thermographic video data, and to generate a temperature map using the mapping; and

at least one communications interface operable to transmit a plurality of super frames of thermal infrared data, each super frame comprising a frame of thermographic video data and a corresponding temperature map to a consumer mobile device coupled thereto.

18. The thermal imaging camera of claim 17 wherein the portable thermal imaging camera is operable to provide a plurality of thermography functions and the consumer mobile device is operable to provide enhanced functions utilizing capabilities of the consumer mobile device.

19. The thermal imaging camera of claim 17 wherein the processor includes an FPGA performing non-uniformity correction, and bad pixel replacement.

20. The thermal imaging camera of claim 17 wherein the thermal imaging camera is coupled with a consumer device via a wired or wireless connection.

21. The thermal imaging camera of claim 20 wherein the thermal imaging camera is coupled to a consumer device via a Universal Serial Bus (USB) connection.

22. The thermal imaging camera of claim 20 wherein the thermal imaging camera is coupled to a consumer device via a WiFi wireless network.