MULTI-RESOLUTION IP CAMERA

• US 20130107061A1
• Filed: 04/14/2012
• Published: 05/02/2013
• Est. Priority Date: 10/31/2011
• Status: Abandoned Application

• Current Assignee: Ankit Kumar, Arvind Kondangi Lakshmikumar, Sudeep George Eraniose
• Original Assignee: Ankit Kumar, Arvind Kondangi Lakshmikumar, Sudeep George Eraniose
• Inventors: Kumar, Ankit, Eraniose, Sudeep George, Lakshmikumar, Arvind Kondangi
• Application Number:
  US13/447,202
• Publication Number:
  US 20130107061A1
• Time in Patent Office: Days
• US Class Current: 348/207.1
• CPC Class Codes: H04N 23/11 for generating image signals from visible and infrared light wavelengths
• CPC Class Codes: H04N 23/45 for generating image signals from two or more image sensors being of different type or operating in different modes, e.g. with a CMOS sensor for moving images in combination with a charge-coupled device [CCD] for still images
• CPC Class Codes: H04N 23/951 by using two or more images to influence resolution, frame rate or aspect ratio

Abstract

A device according to various embodiments receives two input images, enhances them, aligns them, fuses them, and encodes them as part of a video stream. In various embodiments, the use of certain algorithms enables efficient utilization and minimization of hardware, and results in a light-weight device.

Claims

1. A camera comprising:

a first sensor for capturing first video data;

a second sensor for capturing second video data;

circuity operable to;

generate first enhanced data by performing image enhancement on the first video data;

generate first aligned data by performing image alignment on the first enhanced data;

generate second enhanced data by performing image enhancement on the second video data;

generate second aligned data by performing image alignment on the second enhanced data;

generate fused data by performing video fusion of the first aligned data and the second aligned data; and

generate encoded data by performing video encoding on the fused data.

2. The camera of claim 1 in which the first sensor is operable to capture the first video data in a first spectrum, and in which the second sensor is operable to capture the second video data in a second spectrum, in which the first spectrum is different from the second spectrum.

3. The camera of claim 1 in which the circuitry is further operable to transmit the encoded data over an Internet Protocol network.

4. The camera of claim 1 in which, in generating the fused data, the circuitry is operable to fuse the first aligned data and the second aligned data in a pixel by pixel fashion.

5. The camera of claim 1 in which, in generating the fused data, the circuitry is operable to generate the fused data using the Laplacian pyramid fusion algorithm.

6. The camera of claim 1 in which, in using the Laplacian pyramid fusion algorithm, the circuitry is operable to perform a recursive computation of the Laplacian pyramid.

7. The camera of claim 1 in which the first aligned data comprises a first field and a second field that are interlaced, and in which the second aligned data comprises a third field and a fourth field that are interlaced.

8. The camera of claim 7 in which, in performing video fusion, the circuitry is operable to fuse the first field and the third field, and to separately fuse the second field and the fourth field.

9. The camera of claim 1 in which, in performing video fusion, the circuitry is operable to apply a sharpening algorithm to result in increased sharpness in the fused data.

10. The camera of claim 1, in which the sharpening algorithm includes boosting high spatial frequencies in the first enhanced data and in the second enhanced data.

11. The camera of claim 1 in which, in performing video fusion, the circuitry is operable to apply a contrast enhancing algorithm to result in increased contrast in the fused data.

12. The camera of claim 1 in which, in performing video fusion, the circuitry is operable to weight the contributions of the first enhanced data and the second enhanced data to the fused data.

13. The camera of claim 1 in which, in performing video fusion, the circuitry is further operable to determine a level of detail in the first enhanced data, in which the contribution of the first enhanced data is weighted based on the level of detail.

14. The camera of claim 1 in which, in performing video fusion, the circuitry is further operable to determine a level of spatial frequency detail in the first enhanced data, in which the contribution of the first enhanced data is weighted based on the level of spatial frequency detail.

15. The camera of claim 1 in which, in performing video fusion, the circuitry is further operable to determine a level of noise in the first enhanced data, in which the contribution of the first enhanced data is weighted based on the level of noise.

16. The camera of claim 1 in which, in performing video fusion, the circuitry is further operable to determine an existence of dark regions in the first enhanced data, in which the contribution of the first enhanced data is weighted based on the existence of the dark regions.

17. The camera of claim 1 in which, in generating the encoded data, the circuitry is operable to generate an H.264 encoded internet protocol stream.

18. The camera of claim 1, in which the circuitry is operable to generate the first enhanced data, the second enhanced data, the first aligned data, the second aligned data, the fused data, and the encoded data, each in real time.

19. The camera of claim 1 in which the circuitry comprises:

first circuitry for performing image enhancement;

second circuitry for performing image alignment; and

third circuitry for performing image enhancement.

20. A camera comprising:

a first sensor for capturing first video data;

a second sensor for capturing second video data;

circuitry operable to;

generate first enhanced data by performing image enhancement on the first video data;

determine that the second sensor is not functioning properly; and

generate, based on the determination that the second sensor is not functioning properly, encoded data by performing video encoding only on the first video data.