PICTURE PROCESSING DEVICE, PICTURE PROCESSING METHOD, PROGRAM FOR PICTURE PROCESSING, AND IMAGING DEVICE
First Claim
1. A picture processing device which corrects displacement between pictures obtained by temporally-continuous capturing, said picture processing device comprising:
- a rotational motion amount calculating unit configured to calculate a rotational motion amount indicating a rotational displacement amount of a second picture with respect to a first picture, the rotational displacement amount being obtained based on a combination of axis rotational directions of mutually perpendicular three axes, and the second picture being captured temporally after the first picture;
a cutout picture generating unit configured to generate a first cutout picture from the first picture and a second cutout picture from the second picture;
a parallel motion amount calculating unit configured to calculate a parallel motion amount indicating a displacement amount of the second cutout picture with respect to the first cutout picture;
a motion amount determining unit configured to determine, based on the calculated rotational motion amount and the calculated parallel motion amount, a motion amount indicating a displacement amount of the second picture with respect to the first picture; and
a correcting unit configured to correct the displacement amount of the second picture with respect to the first picture, based on the motion amount,wherein said cutout picture generating unit is configured to (i) cut out from the first picture a predetermined first area, and generate the first cutout picture by performing, based on characteristics of an optical system used for capturing, distortion correction on the predetermined first area which is cut out, and (ii) cut out from a first corrected picture a second area corresponding to the predetermined first area, and generate the second cutout picture by performing the distortion correction on the corresponding second area which is cut out, the first corrected picture being generated from the second picture whose rotational displacement amount, in the combination of the three-axis rotational directions, is corrected based on the calculated rotational motion amount.
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Accused Products
Abstract
The picture processing device of the present invention includes: a rotational motion distance calculating unit which calculates a rotational motion distance of a second picture with respect to a first picture; a cutout picture generating unit which (i) generates a first cutout picture from the first picture, and (ii) and generates a second cutout picture from a first corrected picture, the first corrected picture being generated from the second picture whose rotational displacement amount, in a combination of directions in three axes, is corrected; a parallel motion amount calculating unit which calculates a parallel motion amount of a second cutout picture with respect to the first cutout picture; and a motion amount determining unit which determines a motion amount of the second picture with respect to the first picture.
16 Citations
20 Claims
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1. A picture processing device which corrects displacement between pictures obtained by temporally-continuous capturing, said picture processing device comprising:
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a rotational motion amount calculating unit configured to calculate a rotational motion amount indicating a rotational displacement amount of a second picture with respect to a first picture, the rotational displacement amount being obtained based on a combination of axis rotational directions of mutually perpendicular three axes, and the second picture being captured temporally after the first picture; a cutout picture generating unit configured to generate a first cutout picture from the first picture and a second cutout picture from the second picture; a parallel motion amount calculating unit configured to calculate a parallel motion amount indicating a displacement amount of the second cutout picture with respect to the first cutout picture; a motion amount determining unit configured to determine, based on the calculated rotational motion amount and the calculated parallel motion amount, a motion amount indicating a displacement amount of the second picture with respect to the first picture; and a correcting unit configured to correct the displacement amount of the second picture with respect to the first picture, based on the motion amount, wherein said cutout picture generating unit is configured to (i) cut out from the first picture a predetermined first area, and generate the first cutout picture by performing, based on characteristics of an optical system used for capturing, distortion correction on the predetermined first area which is cut out, and (ii) cut out from a first corrected picture a second area corresponding to the predetermined first area, and generate the second cutout picture by performing the distortion correction on the corresponding second area which is cut out, the first corrected picture being generated from the second picture whose rotational displacement amount, in the combination of the three-axis rotational directions, is corrected based on the calculated rotational motion amount. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17)
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18. A picture processing method for correcting displacement between pictures obtained by temporally-continuous capturing, said picture processing method comprising:
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calculating a rotational motion amount indicating a rotational displacement amount of a second picture with respect to a first picture, the rotational displacement amount being obtained based on a combination of axis rotational directions of mutually perpendicular three axes, and the second picture being captured temporally after the first picture; generating a first cutout picture from the first picture and a second cutout picture from the second picture; calculating a parallel motion amount indicating a displacement amount of the second cutout picture with respect to the first cutout picture; determining, based on the calculated rotational motion amount and the calculated parallel motion amount, a motion amount indicating a displacement amount of the second picture with respect to the first picture; and correcting the displacement amount of the second picture with respect to the first picture, based on the determined motion amount, wherein said generating involves (i) cutting out from the first picture a predetermined first area, and generating the first cutout picture by performing, based on characteristics of an optical system used for capturing, distortion correction on the predetermined first area which is cut out, and (ii) cutting out from a first corrected picture a second area corresponding to the predetermined first area, and generating the second cutout picture by performing the distortion correction on the corresponding second area which is cut out, the first corrected picture being generated from the second picture whose rotational displacement amount, in the combination of the three-axis rotational directions, is corrected based on the calculated rotational motion amount.
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19. A non-transitory computer-readable recording medium for use in a computer, said recording medium having a computer program recorded thereon, the computer program causing the computer to correct displacement between pictures obtained by temporally-continued capturing, and the program causing the computer to execute:
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calculating a rotational motion amount indicating a rotational displacement amount of a second picture with respect to a first picture, the rotational displacement amount being obtained based on a combination of axis rotational directions of mutually perpendicular three axes, and the second picture being captured temporally after the first picture; generating a first cutout picture from the first picture and a second cutout picture from the second picture; calculating a parallel motion amount indicating a displacement amount of the second cutout picture with respect to the first cutout picture; determining, based on the calculated rotational motion amount and the calculated parallel motion amount, a motion amount indicating a displacement amount of the second picture with respect to the first picture; and correcting the displacement amount of the second picture with respect to the first picture, based on the determined motion amount, wherein said generating involves (i) cutting out from the first picture a predetermined first area, and generating the first cutout picture by performing, based on characteristics of an optical system used for capturing, distortion correction on the predetermined first area which is cut out, and (ii) cutting out from a first corrected picture a second area corresponding to the predetermined first area, and generating the second cutout picture by performing the distortion correction on the corresponding second area which is cut out, the first corrected picture being generated from the second picture whose rotational displacement amount, in the combination of the three-axis rotational directions, is corrected based on the calculated rotational motion amount.
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20. An integrated circuit for correcting displacement between pictures obtained by temporally-continued capturing, said integrated circuit comprising:
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a rotational motion amount calculating unit configured to calculate a rotational motion amount indicating a rotational displacement amount of a second picture with respect to a first picture, the rotational displacement amount being obtained based on a combination of axis rotational directions of mutually perpendicular three axes, and the second picture being captured temporally after the first picture; a cutout picture generating unit configured to generate a first cutout picture from the first picture and a second cutout picture from the second picture; a parallel motion amount calculating unit configured to calculate a parallel motion amount indicating a displacement amount of the second cutout picture with respect to the first cutout picture; a motion amount determining unit configured to determine, based on the calculated rotational motion amount and the calculated parallel motion amount, a motion amount indicating a displacement amount of the second picture with respect to the first picture; and a correcting unit configured to correct the displacement amount of the second picture with respect to the first picture, based on the motion amount, wherein said cutout picture generating unit is configured to (i) cut out from the first picture a predetermined first area, and generate the first cutout picture by performing, based on characteristics of an optical system used for capturing, distortion correction on the predetermined first area which is cut out, and (ii) cut out from a first corrected picture a second area corresponding to the predetermined first area, and generate the second cutout picture by performing the distortion correction on the corresponding second area which is cut out, the first corrected picture being generated from the second picture whose rotational displacement amount, in the combination of the three-axis rotational directions, is corrected based on the calculated rotational motion amount.
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Specification