Image pickup apparatus and image processing method of a picked-up image
First Claim
Patent Images
1. An image pickup apparatus, comprising:
- a photographing unit continuously photographing a plurality of frames in accordance with a rolling-shutter method;
a buffer memory configured to store a photographed image of a plurality of photographed frames;
a motion detection unit configured to continuously detect a motion amount of an object a plurality of times;
a memory configured to store the detected motion amounts;
a correction unit configured to read out the photographed image stored in the buffer memory; and
an output unit configured to output an image corrected by the correction unit;
wherein the correction unit determines from which position in the plurality of photographed frames a pixel of each of lines of the image to be output is read out, on the basis of the motion amount at a photographing time of each of the lines of a predetermined frame of the photographed image, andwherein if the determined read-out position is located on the outside of a photographing range of the predetermined frame, the correction unit then determines to read out a corresponding pixel in a frame photographed before and/or after a time of photographing the predetermine frame as the pixel of the image to be output, and calculates a read-out position of the corresponding pixel on the basis of the motion amount at the photographing time of each of the lines in the frame from which the corresponding pixel is read out.
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Accused Products
Abstract
An image pickup apparatus determines from which position in a plurality of photographed frames a pixel of each of lines of an image to be output is read out, on the basis of a motion amount at a photographing time of each of the lines of a photographed predetermined frame, and if the determined read-out position is located on the outside of a photographing range of the predetermined frame, then determines to read out a pixel in a frame photographed before and/or after a photographing of the predetermine frame as the pixel of the output image and calculates a read-out position of the pixel on the basis of the motion amount at a photographing time of each of the lines in the frame.
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Citations
8 Claims
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1. An image pickup apparatus, comprising:
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a photographing unit continuously photographing a plurality of frames in accordance with a rolling-shutter method; a buffer memory configured to store a photographed image of a plurality of photographed frames; a motion detection unit configured to continuously detect a motion amount of an object a plurality of times; a memory configured to store the detected motion amounts; a correction unit configured to read out the photographed image stored in the buffer memory; and an output unit configured to output an image corrected by the correction unit; wherein the correction unit determines from which position in the plurality of photographed frames a pixel of each of lines of the image to be output is read out, on the basis of the motion amount at a photographing time of each of the lines of a predetermined frame of the photographed image, and wherein if the determined read-out position is located on the outside of a photographing range of the predetermined frame, the correction unit then determines to read out a corresponding pixel in a frame photographed before and/or after a time of photographing the predetermine frame as the pixel of the image to be output, and calculates a read-out position of the corresponding pixel on the basis of the motion amount at the photographing time of each of the lines in the frame from which the corresponding pixel is read out. - View Dependent Claims (2, 3, 4, 5, 6)
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7. An image processing method of an image photographed by an image pickup apparatus including a photographing unit configured to continuously photograph a plurality of frames in accordance with a rolling-shutter method, a buffer memory configured to store a photographed image of the plurality of photographed frames, a motion detection unit configured to detect a motion amount of an object a plurality of times continuously, and a memory configured to store the detected motion amounts, the method comprising the steps of:
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reading out the photographed image stored in the buffer memory; and outputting an image corrected in the reading step, wherein the reading step includes; determining from which position in the plurality of photographed frames a pixel of each of lines of the image to be output is read out, on the basis of the motion amount at a photographing time of each of the lines of a predetermined frame of the photographed image, and if the determined read-out position is located on the outside of a photographing range of the predetermined frame, then determining to read out a corresponding pixel in a frame photographed before and/or after a time of photographing the predetermine frame as the pixel of the image to be output, and calculating a read-out position of the corresponding pixel on the basis of the motion amount at the photographing time of each of the lines in the frame from which the corresponding pixel is read out.
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8. A non-transitory computer-readable storage medium storing a program for a computer in a image pickup apparatus including a photographing unit configured to continuously photograph a plurality of frames in accordance with a rolling-shutter method, a buffer memory configured to store a photographed image of a plurality of photographed frames, a motion detection unit configured to continuously detect a motion amount of an object a plurality of times, and a memory configured to store the detected motion amounts, the program enabling the computer to function as:
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a correction unit to read out the photographed image stored in the buffer memory by determining from which position in the plurality of photographed frames a pixel of each of lines of the image to be output is read out, on the basis of the motion amount at a photographing time of each of the lines of a predetermined frame of the photographed image, and if the determined read-out position is located on the outside of a photographing range of the predetermined frame, then determining to read out a corresponding pixel in a frame photographed before and/or after a time of photographing the predetermine frame as the pixel of the image to be output and calculating a read-out position of the corresponding pixel on the basis of the motion amount at the photographing time of each of the lines in the frame from which the corresponding pixel is read out; and an output unit to output an image corrected by the correction unit.
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Specification