Video processing system and method

• US 5,748,234 A
• Filed: 09/13/1994
• Issued: 05/05/1998
• Est. Priority Date: 09/13/1994
• Status: Expired due to Term

• Current Assignee: Intel Corporation
• Original Assignee: Intel Corporation
• Inventors: Lippincott, Louis A.
• Primary Examiner(s): Burgess, Glenton B.
• Application Number:
  US08/305,201
• Time in Patent Office: 1,330 Days
• Field of Search: 348/222, 348/15, 348/17, 348/19, 348/22, 348/23, 348/207, 348/552, 348/719, 348/231, 348/232, 348/153, 348/154, 348/230
• US Class Current: 348/222.1
• CPC Class Codes: H04N 25/00 Circuitry of solid-state image sensors [SSIS]; Control thereof

Abstract

A method and video processing system for receiving and processing consecutive sets of video signals from a video camera. A first capture signal is transmitted to the video camera. A first set of one or more video frames is received from the video camera in response to the first capture signal. The first set of one or more video frames is processed by the video processing system.

Claims

1. A method for processing video signals, comprising the steps of:

(a) transmitting a first capture signal from a video processing system to a video camera;

(b) receiving a first video frame from the video camera by the video processing system in response to the first capture signal;

(c) processing the first video frame with the video processing system; and

(d) transmitting a second capture signal to the video camera at a time during the processing of the first video frame to request a second video frame.

2. The method of claim 1, wherein:

steps (a)-(d) are repeated for a plurality of consecutive capture signals; and

the durations of time between different consecutive pairs of the consecutive capture signals vary.

3. The method of claim 1, wherein step (a) comprises the steps of:

capturing a first set of analog video signals corresponding to the first video frame in response to the capture signal; and

digitizing the first set of analog video signals to generate the first video frame.

4. The method of claim 1, wherein step (c) further comprises the step of time stamping the first video frame.

5. The method of claim 1,

wherein step (a) further comprises the steps of:

(1) capturing a first set of analog video signals corresponding to the first video frame in response to the capture signal;

(2) digitizing the first set of analog video signals to generate the first video frame; and

(3) transmitting the first video frame from the video camera to the video processing system;

wherein;

step (c) further comprises the step of time stamping the first video frame;

steps (a)-(d) are repeated for a plurality of consecutive capture signals; and

the durations of time between different consecutive pairs of the consecutive capture signals vary.

6. A method for processing video signals, comprising the steps of:

(a) transmitting a first capture signal from a video processing system to a video camera, wherein the first capture signal specifies a first frame capture rate for the video camera;

(b) capturing with the video camera a first plurality of video frames at the first frame capture rate in response to the first capture signal;

(c) receiving the first plurality of video frames from the video camera by the video processing system;

(d) processing the first plurality of video frames with the video processing system; and

(e) transmitting a second capture signal to the video camera to request a second plurality of video frames, wherein the second capture signal specifies a second frame capture rate based on the status of the processing of the first plurality of video frames.

7. The method of claim 6, wherein:

steps (a)-(e) are repeated for a plurality of consecutive capture signals; and

each of the plurality of consecutive capture signals specifies a respective frame capture rate for the video camera.

8. The method of claim 7, wherein the frame capture rates specified by a consecutive pair of the plurality of consecutive capture signals are not the same.

9. A video processing system for receiving and processing consecutive sets of video signals from a video camera, comprising:

(a) means for transmitting a first capture signal to the video camera;

(b) means for receiving a first video frame from the video camera in response to the first capture signal;

(c) means for processing the first video frame; and

(d) means for transmitting a second capture signal to the video camera at a time during the processing of the first video frame to request a second video frame.

10. The video processing system of claim 9, further comprising:

(e) means for repeating the functions of means (a)-(d) for a plurality of consecutive capture signals, wherein the durations of time between different consecutive pairs of the consecutive capture signals vary.

11. The video processing system of claim 9, wherein the video camera comprises:

(v1) means for capturing a first set of analog video signals corresponding to the first video frame in response to the capture signal;

(v2) means for digitizing the first set of analog video signals to generate the first video frame; and

(v3) means for transmitting the first video frame to the video processing system.

12. The video processing system of claim 9, further comprising:

(d) means for time stamping the first video frame.

13. The video processing system of claim 9, further comprising:

(e) means for time stamping the first video frame; and

(f) means for repeating the functions of means (a)-(e) for a plurality of consecutive capture signals, wherein the durations of time between different consecutive pairs of the consecutive capture signals vary;

wherein the video camera comprises;

(v1) means for capturing a first set of analog video signals corresponding to the first video frame in response to the capture signal;

(v2) means for digitizing the first set of analog video signals to generate the first video frame; and

(v3) means for transmitting the first video frame to the video processing system.

14. The video processing system of claim 9, wherein:

the video processing system is electrically connected to a memory; and

the video processing system is electrically connected to a bus.

15. A video processing system for receiving and processing consecutive sets of video signals from a video camera, comprising:

(a) means for transmitting a first capture signal to the video camera, wherein the first capture signal specifies a first frame capture rate for the video camera and the video camera comprises means for capturing a first plurality of video frames at the first frame capture rate in response to the first capture signal;

(b) means for receiving the first plurality of video frames from the video camera;

(c) means for processing the first plurality of video frames; and

(d) means for transmitting a second capture signal to the video camera to request a second plurality of video frames, wherein the second capture signal specifies a second frame capture rate based on the status of the processing of the first plurality of video frames.

16. The video processing system of claim 15, further comprising:

(e) means for repeating the functions of means (a)-(d) for a plurality of consecutive capture signals, wherein each of the plurality of consecutive capture signals specifies a respective frame capture rate for the video camera.

17. The video processing system of claim 16, wherein the frame capture rates specified by a consecutive pair of the plurality of consecutive capture signals are not the same.

18. The video processing system of claim 17, wherein:

the video processing system is electrically connected to a memory; and

the video processing system is electrically connected to a bus.