MOVING IMAGE REPRODUCING APPARATUS AND CONTROL METHOD THEREFOR, AND STORAGE MEDIUM

• US 20110274407A1
• Filed: 04/21/2011
• Published: 11/10/2011
• Est. Priority Date: 05/07/2010
• Status: Active Grant

• Current Assignee: Canon Kabushiki Kaisha (Canon Inc.)
• Original Assignee: Canon Kabushiki Kaisha (Canon Inc.)
• Inventors: Kogusuri, Koji
• Granted Patent: US 8,781,302 B2
• Time in Patent Office: Days
• US Class Current: 386/230
• CPC Class Codes: H04N 5/145 Movement estimation for video coding H04N19/51
• CPC Class Codes: H04N 5/208 for compensating for attenuation of high frequency components, e.g. crispening, aperture distortion correction
• CPC Class Codes: H04N 5/93 Regeneration of the television signal or of selected parts thereof

Abstract

A moving image reproducing apparatus which performs blur correction focusing on a portion highly likely to be paid attention by a user, in reproduction operation without user'"'"'s specific operation. The moving image reproducing apparatus is connected to a recording medium that records moving image data. A moving image data recorded in the recording medium is searched, based on a designated search condition, a motion vector calculating position for blur correction is set to the searched moving image data based on the search condition, a motion vector of the searched moving image data is calculated based on the motion vector calculating position, a blur correction cut-out region of the searched moving image data is set based on the calculated motion vector and the searched moving image data is subjected to blur correction, and a moving image data subjected to the blur correction is output.

Claims

1. A moving image reproducing apparatus connected to a recording medium that records moving image data, comprising:

a designation unit configured to designate a search condition of the moving image data;

a search unit configured to search the moving image data recorded in the recording medium, based on the search condition designated by the designation unit;

a motion vector calculating position-setting unit configured to set a motion vector calculating position for blur correction to the moving image data searched by the search unit, based on the search condition;

a motion vector calculation unit configured to calculate a motion vector of the moving image data searched by the search unit, based on the motion vector calculating position;

a blur correction unit configured to set a blur correction cut-out region of the moving image data searched by the search unit, based on the motion vector calculated by the motion vector calculating unit, and subjecting the searched moving image data to blur correction; and

an output unit configured to output a moving image data subjected to the blur correction by the blur correction setting unit.

2. The moving image reproducing apparatus according to claim 1, wherein when the search condition is a face of a person, the motion vector calculating position-setting unit designates a position of a face of a person, detected from the moving image data searched by the search unit, as the motion vector calculating position.

3. The moving image reproducing apparatus according to claim 1, wherein when the search condition is designated as a face of a specific person, the motion vector calculating position-setting unit designates a position where the face of the specific person, detected from the moving image data searched by the search unit, is detected as the motion vector calculating position.

4. The moving image reproducing apparatus according to claim 1, wherein when the motion vector calculating position cannot be set based on the search condition, the motion vector calculating position-setting unit sets the motion vector calculating position so as to reduce a blur of the entire image.

5. The moving image reproducing apparatus according to claim 1, wherein when the motion vector calculating position cannot be set based on the search condition, the motion vector calculating position-setting unit causes the blur correction unit to terminate the blur correction and causes the output unit to terminate the output.

6. The moving image reproducing apparatus according to claim 1, wherein when the search condition is not designated by the designation unit, the motion vector calculating position-setting unit sets the motion vector calculating position so as to reduce a blur of the entire image.

7. A control method for a moving image reproducing apparatus connected to a recording medium that records moving image data, comprising:

a designation step of designating a search condition of the moving image data;

a search step of searching the moving image data recorded in the recording medium, based on the search condition designated by the designation unit;

a motion vector calculating position-setting step of setting a motion vector calculating position for blur correction to the moving image data searched by the search unit, based on the search condition;

a motion vector calculation step of calculating a motion vector of the moving image data searched by the search unit, based on the motion vector calculating position;

a blur correction step of setting a blur correction cut-out region of the moving image data searched by the search unit, based on the motion vector calculated by the motion vector calculating unit, and subjecting the searched moving image data to blur correction; and

an output step of outputting a moving image data subjected to the blur correction by the blur correction setting unit.

8. A non-transitory computer-readable storage medium storing a program for causing a computer to implement a control method for a moving image reproducing apparatus connected to a recording medium that records moving image data, the control method comprising:

a designation step of designating a search condition of the moving image data;

a search step of searching the moving image data recorded in the recording medium, based on the search condition designated by the designation unit;

a motion vector calculating position-setting step of setting a motion vector calculating position for blur correction to the moving image data searched by the search unit, based on the search condition;

a motion vector calculation step of calculating a motion vector of the moving image data searched by the search unit, based on the motion vector calculating position;

a blur correction step of setting a cut-out region of the moving image data searched by the search unit, based on the motion vector calculated by the motion vector calculating unit and apply blur correction to the searched moving image data; and

an output step of outputting a moving image data subjected to the blur correction by the blur correction setting unit.

9. A moving image reproducing apparatus connected to a recording medium that records moving image data, comprising:

a designation unit configured to designate a search condition of the moving image data;

a search unit configured to search the moving image data recorded in the recording medium, based on the search condition designated by the designation unit;

a motion vector calculation unit configured to calculate a motion vector of the moving image data searched by the search unit, based on the search condition;

a blur correction cut-out region calculation unit configured to calculate a blur correction cut-out region of the moving image data searched by the search unit, based on the motion vector calculated by the motion vector calculation unit;

an attention position setting unit configured to set an attention position of the moving image data searched by the search unit, based on the search condition;

a blur correction cut-out region adjustment unit configured to adjust a blur correction cut-out region such that the attention position set by the attention position setting unit falls within the blur correction cut-out region calculated by the blur correction cut-out region calculation unit; and

an output unit configured to cut out the blur correction cut-out region adjusted by the blur correction cut-out region adjustment unit and output the cut-out result.

10. The moving image reproducing apparatus according to claim 9, wherein the search condition includes a specific subject, and the attention position setting unit designates, when the search condition is designated as the specific subject, a position where the specific subject is included in each frame of the searched moving image data, as the attention position.

11. The moving image reproducing apparatus according to claim 9, wherein the specific subject comprises a face of a person or a face of a specific person.

12. A control method of a moving image reproducing apparatus connected to a recording medium that records moving image data, comprising:

a designation step of designating a search condition of the moving image data;

a search step of searching the moving image data recorded in the recording medium, based on the search condition designated by the designation unit;

a motion vector calculation step of calculating a motion vector of the moving image data, searched by the search unit, based on the search condition;

a blur correction cut-out region calculation step of calculating a blur correction cut-out region of the moving image data searched by the search unit, based on the motion vector calculated by the motion vector calculation unit;

an attention position setting step of setting an attention position of the moving image data searched by the search unit, based on the search condition;

a blur correction cut-out region adjustment step of adjusting a blur correction cut-out region such that the attention position set by the attention position setting unit falls within the blur correction cut-out region calculated by the blur correction cut-out region calculation unit; and

an output step of cutting out the blur correction cut-out region adjusted by the blur correction cut-out region adjustment unit and output the cut-out result.

13. A non-transitory computer-readable storage medium storing a program for implementing a control method of a moving image reproducing apparatus connected to a recording medium that records moving image data, the control method comprising:

a designation step of designating a search condition of the moving image data;

a search step of searching the moving image data recorded in the recording medium, based on the search condition designated by the designation unit;

a motion vector calculation step of calculating a motion vector of the moving image data, searched by the search unit, based on the search condition;

a blur correction cut-out region calculation step of calculating a blur correction cut-out region of the moving image data searched by the search unit, based on the motion vector calculated by the motion vector calculation unit;

an attention position setting step of setting an attention position of the moving image data searched by the search unit, based on the search condition;

a blur correction cut-out region adjustment step of adjusting a blur correction cut-out region such that the attention position set by the attention position setting unit falls within the blur correction cut-out region calculated by the blur correction cut-out region calculation unit; and

an output step of cutting out the blur correction cut-out region adjusted by the blur correction cut-out region adjustment unit and output the cut-out result.

14. A moving image reproducing apparatus connected to a recording medium that records moving image data, comprising:

a designation unit configured to designate a search condition of the moving image data;

a search unit configured to search the moving image data recorded in the recording medium, based on the search condition designated by the designation unit;

an attention position setting unit configured to set an attention position of the moving image data searched by the search unit, based on the search condition; and

a reproduction unit configured to enlarge and reproduce a part of the set attention position in each frame of specific moving image data in the search result by the search unit.

15. The moving image reproducing apparatus, according to claim 14, wherein the search condition includes a specific subject, and the attention position setting unit designates, when the search condition is the specific subject, a position where the specific subject is included in each frame of the searched moving image data, as the attention position.

16. The moving image reproducing apparatus according to claim 14, wherein the specific subject is designated as a face of a person or a face of a specific person.

17. The moving image reproducing apparatus according to claim 14, wherein the reproduction unit enlarges and reproduces not only the whole of each frame of specific moving image data in the search result by the search unit but also a part of the set attention position.

18. A control method of controlling a moving image reproducing apparatus connected to a recording medium that records moving image data, comprising:

a designation step of designating a search condition of the moving image data;

a search step of searching the moving image data recorded in the recording medium, based on the search condition designated by the designation unit;

an attention position setting step of setting an attention position of the moving image data searched by the search unit, based on the search condition; and

a reproduction step of enlarging and reproducing a part of the set attention position in each frame of specific moving image data in the search result by the search unit.

19. A non-transitory computer-readable storage medium storing a program for implementing a control method of controlling a moving image reproducing apparatus connected to a recording medium that records moving image data, the control method comprising:

a designation step of designating a search condition of the moving image data;

a search step of searching the moving image data recorded in the recording medium, based on the search condition designated by the designation unit;

an attention position setting step of setting an attention position of the moving image data searched by the search unit, based on the search condition; and

a reproduction step of enlarging and reproducing a part of the set attention position in each frame of specific moving image data in the search result by the search unit.