Loading patent…
AssigneeSony Corporation
InventorsTohru Kurata, Manabu Kubo, Kimitaka Wada, Toshiyuki Kaimi
Estimating the term…
A method and an apparatus for correcting distortions of image-taking video signals are provided. The method and an apparatus adopting the method are capable of reducing distortion generated in a taken image by correction of inter-frame and intra-frame hand movements in an image-taking apparatus employing an image-taking device of an X-Y address type. To be more specific, this method is capable of correcting distortion observed in a taken image as distortion caused by a positional change, which occurs in the horizontal and/or vertical directions of the taken image at a photographing time as a positional change of the image-taking device. In accordance with the method, in a frame period of a taken image, an inter-frame correction quantity for a positional change of the device is detected and, on the basis of the detected inter-frame correction quantity, the positional change is corrected to eliminate a displacement observed when the frame changes to the next one as a displacement of the taken image. An intra-frame correction quantity for a positional change of the image-taking device is computed for each of many locations on the screen of the taken image and, on the basis of the computed intra-frame correction quantity, distortions caused by positional changes on the screen of the taken image as distortions of the taken image are corrected.
A method for correcting distortions contained in a signal representing a taken image of a moving picture as distortions caused by a positional change, which occurs in horizontal and/or vertical directions of said taken image at a time to photograph said moving picture as a positional change of an image-taking device, said method comprising the steps of:
A method for correcting distortions contained in a signal representing a taken image of a moving picture as distortions caused by a positional change, which occurs in the horizontal and/or vertical directions of said taken image at a time to photograph said moving picture as a positional change of an image-taking device, said method comprising the steps of:
An apparatus for correcting distortions contained in a signal representing a taken image of a moving picture as distortions caused by a positional change, which occurs in the horizontal and/or vertical direction of said taken image at a time to photograph said moving picture as a positional change of an image-taking device, said apparatus comprising:
An apparatus for correcting distortions contained in a signal representing a taken image of a moving picture as distortions caused by a positional change, which occurs in horizontal and/or vertical direction of said taken image at a time to photograph said moving picture as a positional change of an image-taking device, wherein said positional change is divided into a horizontal-direction component and a vertical-direction component, said apparatus comprising:
An apparatus for correcting distortions contained in a signal representing a taken image of a moving picture as distortions caused by a positional change, which occurs in the horizontal and/or vertical directions of said taken image at a time to photograph said moving picture as a positional change of an image-taking device, said apparatus comprising:
An apparatus for correcting distortions contained in a signal representing a taken image of a moving picture as distortions caused by a positional change, which occurs in the horizontal and/or vertical directions of said taken image at a time to photograph said moving picture as a positional change of an image-taking device, wherein said positional change is divided into a horizontal-direction component and a vertical-direction component, said apparatus comprising:
Dependencies are inferred from the claim text.