Multi-resolution image display

• US 9,615,062 B2
• Filed: 12/30/2010
• Issued: 04/04/2017
• Est. Priority Date: 12/30/2010
• Status: Active Grant

• Current Assignee: Pelco Incorporated (Motorola Solutions, Inc.)
• Original Assignee: Pelco Incorporated (Motorola Solutions, Inc.)
• Inventors: Sablak, Sezai, Millar, Greg, Aghdasi, Farzin
• Primary Examiner(s): Ustaris, Joseph
• Assistant Examiner(s): Navas, Jr., Edemio
• Application Number:
  US12/982,676
• Publication Number:
  US 20120169871A1
• Time in Patent Office: 2,287 Days
• Field of Search: None
• CPC Class Codes: G08B 13/19691 Signalling events for better perception by user, e.g. indicating alarms by making display brighter, adding text, creating a sound
• CPC Class Codes: H04N 21/2187 Live feed
• CPC Class Codes: H04N 21/47202 for requesting content on demand, e.g. video on demand
• CPC Class Codes: H04N 21/4728 for selecting a Region Of Interest [ROI], e.g. for requesting a higher resolution version of a selected region
• CPC Class Codes: H04N 21/6587 Control parameters, e.g. trick play commands, viewpoint selection
• CPC Class Codes: H04N 25/42 by switching between different modes of operation using different resolutions or aspect ratios, e.g. switching between interlaced and non-interlaced mode
• CPC Class Codes: H04N 7/18 Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast

Abstract

An image display method includes: receiving, from a single camera, first and second image information for first and second captured images captured from different perspectives, the first image information having a first data density; selecting a portion of the first captured image for display with a higher level of detail than other portions of the first captured image, the selected portion corresponding to a first area of the first captured image; displaying the selected portion in a first displayed image, using a second data density relative to the selected portion of the first captured image; and displaying another portion of the first captured image, in a second displayed image, using a third data density; where the another portion of the first captured image is other than the selected portion of the first captured image; and where the third data density is lower than the second data density.

Claims

1. A computer program product residing on a non-transitory processor-readable medium and comprising instructions configured to cause a processor to:

analyze first and second captured images from a position-tilt-zoom (PTZ) camera, wherein a perspective of the (PTZ) camera is different between the first and second captured images;

make a determination from the first captured image and the second captured image, that a set of pixels in the first captured image contains an object in motion;

select a first portion, that includes the set of pixels, of the first captured image in response to the determination that the set of pixels includes the object in motion;

select the first portion of the first captured image for display with a higher level of detail than other portions of the first captured image, the first captured image having a first resolution;

produce first image information, representing a first image of the first portion of the first captured image, using a second resolution that has a higher effective resolution than the first resolution; and

display the first image with the second resolution in a location on a display screen dependent on a location of the first portion relative to the first captured image;

wherein the first portion defines a first area and the first image defines a second area that is larger than the first area and that is at least partially outside of, and immediately adjacent to, the first area.

2. The computer program of claim 1 wherein the instructions are configured to cause a processor to display the first portion concurrently with at least one other portion of the first captured image.

3. The computer program product of claim 1 wherein the instructions configured to cause the processor to display the first portion comprise instructions configured to cause the processor to display the first image such that the second area overlaps at least some of the first area.

4. The computer program product of claim 3 wherein the instructions configured to cause the processor to display the first portion comprise instructions configured to cause the processor to display the first image such that the second area at least one of (1) is co-centered with the first area or (2) shares an edge with the first area.

5. An image display method comprising:

receiving, from a single position-tilt-zoom (PTZ) camera, first image information for a first captured image and second image information for a second captured image, the first and second captured images captured from different perspectives, the first image information having a first resolution;

analyzing the first and second image information from the first and second captured images;

making a determination, from the first captured image and the second captured image, that a set of pixels in the first captured image contains an object in motion;

selecting a first portion, that includes the set of pixels, of the first captured image for display with a higher level of detail than other portions of the first captured image, the first captured image having a first resolution, the selecting being in response to the determination that the set of pixels includes the object in motion;

displaying the first portion of the first captured image, in a first image, using a second resolution that has higher effective resolution than the first resolution, the first portion defining a first area and the first image defining a second area that is larger than the first area and that is at least partially outside of, and immediately adjacent to, the first area;

wherein displaying the first portion comprises displaying the first portion in a location on a display screen dependent on a location of the first portion relative to the first captured image.

6. The method of claim 5 wherein the first captured image comprises the first portion of the first captured image and a second portion of the first captured image, the method further comprising displaying, on a single display, a second image concurrently with the first image, the second image comprising the second portion of the first captured image minus a portion occupied by the first image.

7. The method of claim 5 wherein displaying the first portion comprises displaying the first portion using a first display, the method further comprising displaying a portion of the first captured image, other than the first portion, using a second display separate from the first display.

8. The method of claim 5 further comprising capturing the first captured image.

9. The method of claim 5 wherein displaying the first portion comprises displaying the first image such that the second area overlaps at least some of the first area.

10. The method of claim 9 wherein displaying the first portion comprises displaying the first image such that the second area is co-centered with the first area.

11. The method of claim 9 wherein displaying the first portion comprises displaying the first image such that the second area shares an edge with the first area.

12. The method of claim 5 further comprising displaying a second portion of the first captured image, other than the first portion, with an area independent of an area of the first portion.

13. The method of claim 5 further comprising displaying a second portion of the first captured image, other than the first portion, with an area dependent on an area of the first portion.

14. The image display method of claim 5, wherein analyzing the first and second image information comprises building a background image, and wherein making the determination that the set of pixels in the first captured image contains the object in motion does not include pixels associated with the background image.

15. A video surveillance system comprising:

a memory;

a position-tilt-zoom (PTZ) camera communicatively coupled to the memory and configured to capture video images with a first resolution and to provide the video images to the memory;

motion detection means, communicatively coupled to the memory, for making a determination that a set of pixels in the video images represents an object in motion,

selecting means, communicatively coupled to the memory, for selecting a first portion of a respective video image of the video images in response to the determination that the set of pixels includes an object in motion, such that the first portion includes the set of pixels, the first portion defining a first area that is a first percentage of an area of the at least one of the video images; and

processing means, communicatively coupled to the memory, for processing the video images for display on a display screen by;

converting the first portion of at the least one of the images into a first display image defining a second area and a second resolution higher than the first resolution; and

converting a second portion of the at least one of the stored video images into a second display image defining a third area, the second area being a second percentage of a sum of the second area and the third area, the second percentage being higher than the first percentage; and

at least one display communicatively coupled to the processing means and configured to display the first display image and the second display image concurrently;

wherein the processing means are for causing the display to display the first display image in a location on the display screen dependent on a location of the first portion relative to the respective video image such that at least some of the second area is outside of, and immediately adjacent to, the first area.

16. The system of claim 15 wherein the at least one display is a single display.

17. The system of claim 15 wherein the at least one display comprises first and second displays coupled to the processing means to display the first portion on the first display and to display the second portion on the second display.

18. The system of claim 15 wherein the processing means are for causing the display to display the first display image such that the second area overlaps at least some of the first area.

19. The system of claim 18 wherein the processing means are for causing the display to display the first display image such that the second area at least one of (1) is co-centered with the first area or (2) shares an edge with the first area.

20. The video surveillance system of claim 15, wherein the motion detecting means is further for building a background image and not including pixels associated with the background image in making the determination that the set of pixels in the video images represents the object in motion.