VIDEO PROCESSING APPARATUS AND VIDEO PROCESSING METHOD

• US 20130343604A1
• Filed: 05/17/2013
• Published: 12/26/2013
• Est. Priority Date: 06/22/2012
• Status: Active Grant

• Current Assignee: Canon Kabushiki Kaisha (Canon Inc.)
• Original Assignee: Canon Kabushiki Kaisha (Canon Inc.)
• Inventors: Adachi, Keiji
• Granted Patent: US 9,639,759 B2
• Time in Patent Office: Days
• US Class Current: 382/103
• CPC Class Codes: G06T 2207/30201 Face
• CPC Class Codes: G06V 20/40 in video content extracting overlay text G06V20/62; video retrieval G06F16/70; processing of video elementary streams in video servers H04N21/234; processing of video elementary streams in video clients H04N21/44
• CPC Class Codes: G06V 20/52 Surveillance or monitoring of activities, e.g. for recognising suspicious objects recognising microscopic objects G06V20/69
• CPC Class Codes: G06V 40/23 Recognition of whole body movements, e.g. for sport training

Abstract

A video processing apparatus tracks an object in a video and performs detection processing for detecting that an object in the video is a specific object such that a number of times the detection processing is performed within a predetermined period on a tracking object not detected to be the specific object is more than a number of times the detection processing is performed within the predetermined period on a tracking object detected to be the specific object.

Claims

1. A video processing apparatus comprising:

a tracking unit configured to track an object in a video and

a first detection unit configured to perform detection processing for detecting that an object in the video is a specific object such that a number of times the first detection unit performs the detection processing within a predetermined period on a tracking object that the first detection unit did not detect to be the specific object is more than a number of times the first detection unit performs the detection processing within the predetermined period on a tracking object that the first detection unit detected to be the specific object.

2. The video processing apparatus according to claim 1, wherein:

the first detection unit determines, in accordance with a number of times the first detection unit detected that a first tracking object is the specific object in a first period, a number of times the detection processing is performed on the first tracking object in a second period after the first period.

3. The video processing apparatus according to claim 1, further comprising

a second detection unit configured to detect an object in the video wherein

the tracking unit tracks an object that the second detection unit detected and

the first detection unit determines, in accordance with a number of times the first detection unit detected that a second tracking object is the specific object after the second tracking unit detected the second tracking object, a number of times the detection processing is performed on the second tracking object.

4. The video processing apparatus according to claim 1, wherein

the first detection unit performs the detection processing such that

a number of times the first detection unit performs the detection processing within a second period after a first period on a tracking object is

greater in a case where

a number of times that the first detection unit detected that the tracking object is the specific object in the first period is less than the predetermined number of times

than in a case where

a number of times that the first detection unit detected that the tracking object is the specific object in the first period is greater than or equal to a predetermined number of times.

5. The video processing apparatus according to claim 1, further comprising

a second detection unit configured to detect an object in the video wherein

in a case where the second detection unit detected a plurality of objects in a video, the second detection unit determines, in accordance with numbers of times for each of the plurality of objects that the first detection unit detected the respective object to be the specific object in a first period, an order in which to perform the detection processing on the plurality of objects in a second period after the first period.

6. The video processing apparatus according to claim 1, wherein there is an upper limit on a number of times that the first detection unit performs the detection processing in the predetermined period.

7. The video processing apparatus according to claim 1, wherein there is an upper limit on a number of times that the first detection unit performs the detection processing on an object in one frame of the video.

8. A video processing method comprising:

a tracking step of tracking an object in a video and

a first detection step of performing detection processing for detecting that an object in the video is a specific object such that a number of times the detection processing is performed within a predetermined period on a tracking object not detected to be the specific object is more than a number of times the detection processing is performed within the predetermined period on a tracking object detected to be the specific object.

9. The video processing method according to claim 8, wherein:

in the first detection step, in accordance with a number of times a first tracking object was detected to be the specific object in a first period, a number of times the detection processing is performed on the first tracking object in a second period after the first period is determined.

10. The video processing method according to claim 8, wherein:

a second detection step of detecting an object in the video wherein

in the tracking step an object detected in the second detection step is tracked and

in the first detection step, in accordance with a number of times a second tracking object was detected to be the specific object after the second tracking object was detected in the second detecting step, a number of times the detection processing is performed on the second tracking object is determined.

11. The video processing method according to claim 8, wherein:

in the first detection step, the detection processing is performed such that

a number of times the detection processing is performed within a second period after a first period on a tracking object is

greater in a case where

a number of times that the tracking object is detected to be the specific object in the first period is less than the predetermined number of times

than in a case where

a number of times the tracking object was detected to be the specific object in the first period is greater than or equal to a predetermined number of times.

12. A non-transitory computer-readable storage medium storing a program for causing a computer to execute video processing, the program comprising:

computer-executable instructions that track an object in a video and

computer-executable instructions that perform detection processing for detecting that an object in the video is a specific object such that a number of times the first detection unit performs the detection processing within a predetermined period on a tracking object that the first detection unit did not detect to be the specific object is more than a number of times the first detection unit performs the detection processing within the predetermined period on a tracking object that the first detection unit detected to be the specific object.

13. The storage medium according to claim 12, further comprising:

computer-executable instructions that determine, in accordance with a number of times a first tracking object was detected to be the specific object in a first period, a number of times the detection processing is performed on the first tracking object in a second period after the first period.

14. The storage medium according to claim 12, further comprising:

computer-executable instructions that detect and track an object in the video; and

computer-executable instructions that determine, in accordance with a number of times a second tracking object was detected to be the specific object after the second tracking object was detected in the video, a number of times the detection processing is performed on the second tracking object.

15. The storage medium according to claim 12, further comprising:

computer-executable instructions that perform the detection processing such that

a number of times the detection processing is performed within a second period after a first period on a tracking object is

greater in a case where

a number of times the tracking object was detected to be the specific object in the first period is less than the predetermined number of times

than in a case where

a number of times that the tracking object was detected to be the specific object in the first period is greater than or equal to a predetermined number of times.