IMAGE PROCESSING SYSTEM WITH AMBIENT SENSING CAPABILITY AND IMAGE PROCESSING METHOD THEREOF

• US 20110075889A1
• Filed: 12/07/2009
• Published: 03/31/2011
• Est. Priority Date: 09/25/2009
• Status: Abandoned Application

• Current Assignee: Primax Electronics Limited
• Original Assignee: Primax Electronics Limited
• Inventors: Huang, Ying-Jieh
• Application Number:
  US12/631,869
• Publication Number:
  US 20110075889A1
• Time in Patent Office: Days
• US Class Current: 382/107
• CPC Class Codes: G06V 10/60 relating to illumination properties, e.g. using a reflectance or lighting model
• CPC Class Codes: G06V 20/10 Terrestrial scenes scenes under surveillance with static cameras G06V20/52; scenes perceived from the exterior of a vehicle G06V20/56; scenes perceived from the interior of a vehicle G06V20/59
• CPC Class Codes: G09G 2310/04 Partial updating of the display screen
• CPC Class Codes: G09G 2320/028 by changing the viewing angle properties, e.g. widening the viewing angle, adapting the viewing angle to the view direction
• CPC Class Codes: G09G 2360/144 the light being ambient light
• CPC Class Codes: G09G 3/3406 Control of illumination source illumination devices structurally associated with liquid crystal cells G02F1/1336
• CPC Class Codes: H04N 2007/145 Handheld terminals
• CPC Class Codes: H04N 23/57 Mechanical or electrical details of cameras or camera modules specially adapted for being embedded in other devices
• CPC Class Codes: H04N 23/698 for achieving an enlarged field of view, e.g. panoramic image capture
• CPC Class Codes: H04N 23/71 Circuitry for evaluating the brightness variation

Abstract

An image processing system with ambient sensing capability includes an image sensing device and an ambient sensing device. The image sensing device is used for sensing a scene to generate original image data. The ambient sensing device is coupled to the image sensing device, for analyzing a part of the original image data to generate an ambient sensing result.

Claims

1. An image processing system with ambient sensing capability, comprising:

an image sensing device, for sensing a scene to generate original image data; and

an ambient sensing device, coupled to the image sensing device, for analyzing a partial image data of the original image data to generate an ambient sensing result.

2. The image processing system of claim 1, wherein the ambient sensing device comprises:

an image segmentation unit, for receiving the original image data, and partitioning the original image data to generate a plurality of partitioned image data according to a plurality of sensing regions of the image sensing device, where the plurality of partitioned image data correspond to the plurality of sensing regions, respectively, and the partial image data comprises at least one partitioned image data of the plurality of partitioned image data; and

an image analyzing unit, coupled to the image segmentation unit, for receiving the at least one partitioned image data, and analyzing the at least one partitioned image data to generate the ambient sensing result.

3. The image processing system of claim 2, wherein the plurality of sensing regions comprises at least a first sensing region and a second sensing region, the first sensing region corresponds to a first region of the scene, the second sensing region corresponds to a second region of the scene, the second region is located below the first region, and the at least one partitioned image data comprises a partitioned image data corresponding to the first sensing region.

4. The image processing system of claim 3, wherein the image analyzing unit performs luminance variation analysis upon the at least one partitioned image data to generate the ambient sensing result.

5. The image processing system of claim 2, wherein the plurality of sensing regions comprises at least a first sensing region and a second sensing region, the first sensing region corresponds to a first region of the scene, the second sensing region corresponds to a second region of the scene, the second region is located above the first region, and the at least one partitioned image data comprises a partitioned image data corresponding to the first sensing region.

6. The image processing system of claim 5, wherein the image analyzing unit performs object movement analysis upon the at least one partitioned image data to generate the ambient sensing result.

7. The image processing system of claim 1, further comprising:

an image processing device, coupled to the image sensing device, for generating a processed image data according to the original image data.

8. The image processing system of claim 1, wherein the ambient sensing device performs luminance variation analysis upon the partial image data to generate the ambient sensing result.

9. The image processing system of claim 1, wherein the ambient sensing device performs object movement analysis upon the partial image data to generate the ambient sensing result.

10. The image processing system of claim 1, wherein the image sensing device captures the scene to generate the original image data via a wide-angle lens or a fish-eye lens.

11. An image processing method, comprising:

sensing a scene to generate original image data; and

analyzing a partial image data of the original image data to generate an ambient sensing result.

12. The image processing method of claim 11, wherein the step of analyzing the partial image data of the original image data to generate the ambient sensing result comprises:

partitioning the original image data to generate a plurality of partitioned image data according to a plurality of sensing regions, where the plurality of partitioned image data correspond to the plurality of sensing regions, respectively, and the partial image data comprises at least one partitioned image data of the plurality of partitioned image data; and

receiving the at least one partitioned image data, and analyzing the at least one partitioned image data to generate the ambient sensing result.

13. The image processing method of claim 12, wherein the plurality of sensing regions comprises at least a first sensing region and a second sensing region, the first sensing region corresponds to a first region of the scene, the second sensing region corresponds to a second region of the scene, the second region is located below the first region, and the at least one partitioned image data comprises a partitioned image data corresponding to the first sensing region.

14. The image processing method of claim 13, wherein the step of analyzing the at least one partitioned image data to generate the ambient sensing result comprises:

performing luminance variation analysis upon the at least one partitioned image data to generate the ambient sensing result.

15. The image processing method of claim 12, wherein the plurality of sensing regions comprises at least a first sensing region and a second sensing region, the first sensing region corresponds to a first region of the scene, the second sensing region corresponds to a second region of the scene, the second region is located above the first region, and the at least one partitioned image data comprises a partitioned image data corresponding to the first sensing region.

16. The image processing method of claim 15, wherein the step of analyzing the at least one partitioned image data to generate the ambient sensing result comprises:

performing object movement analysis upon the at least one partitioned image data to generate the ambient sensing result.

17. The image processing method of claim 11, further comprising:

generating a processed image data according to the original image data.

18. The image processing method of claim 11, wherein the step of analyzing the partial image data of the original image data to generate the ambient sensing result comprises:

performing luminance variation analysis upon the partial image data to generate the ambient sensing result.

19. The image processing method of claim 11, wherein the step of analyzing the partial image data of the original image data to generate the ambient sensing result comprises:

performing object movement analysis upon the partial image data to generate the ambient sensing result.