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    • 9. 发明授权
    • Method and apparatus for correcting motion distortion and lens distortion of image-taking video signals
    • 用于校正摄像视频信号的运动失真和透镜失真的方法和装置
    • US07783128B2
    • 2010-08-24
    • US11318405
    • 2005-12-23
    • Tohru KurataManabu KuboKimitaka WadaToshiyuki Kaimi
    • Tohru KurataManabu KuboKimitaka WadaToshiyuki Kaimi
    • G06K9/40H04N5/228G03B17/00
    • H04N5/3572H04N5/2329
    • A method and an apparatus for correcting distortions of image-taking video signals and an apparatus for correcting distortions are provided. The apparatus and method thereof are capable of reducing distortion generated in a taken image caused by a hand movement and by a characteristic of an image-taking lens in an image-taking apparatus employing an image-taking device of an X-Y address type. The apparatus has a lens-distortion correction quantity generation section to generate a first correction quantity set in advance as a correction quantity to be used for correcting a distortion, caused by the image-taking lens characteristic, of a taken image at a pixel position on the device on the basis of information on the pixel position. The screen segment of the taken image is divided into many image sub-segments. For each of the image sub-segments, the positional change rate of the device is detected. In each of the image sub-segments, a second correction quantity is then computed on the basis of the rate of the positional change of the device detected for each of the image sub-segments. Finally, the distortion is corrected on the basis of a sum of the first (generated by the lens-distortion correction quantity generation section as a correction quantity for a member subjected to a process to correct the distortion) and second correction quantity.
    • 提供了用于校正摄像视频信号的失真的方法和装置以及用于校正失真的装置。 其装置和方法能够减少由采用X-Y地址类型的摄像装置的拍摄装置引起的由手部移动引起的拍摄图像中产生的失真以及摄像镜头的特征。 该装置具有透镜失真校正量产生部分,用于产生预先设置的第一校正量,作为用于校正由摄像透镜特性引起的失真的校正量,该像素位置处的像素位置处的拍摄图像 该设备基于有关像素位置的信息。 拍摄图像的屏幕片段被划分成许多图像子片段。 对于每个图像子段,检测设备的位置变化率。 在每个图像子段中,然后基于针对每个图像子段检测到的设备的位置变化的速率来计算第二校正量。 最后,基于第一(由作为修正失真的处理的构件的校正量的透镜失真校正量生成部生成)和第二校正量的和来校正失真。
    • 10. 发明申请
    • Methods for correcting distortions of image-taking video signals and apparatus for correcting distortions of image-taking video signals
    • 用于校正摄像视频信号的失真的校正方法和用于校正摄像视频信号的失真的装置
    • US20060140602A1
    • 2006-06-29
    • US11317785
    • 2005-12-22
    • Tohru KurataManabu KuboKimitaka WadaToshiyuki Kaimi
    • Tohru KurataManabu KuboKimitaka WadaToshiyuki Kaimi
    • G03B17/00
    • H04N5/23248H04N5/23267H04N5/23274
    • A method and an apparatus for correcting distortion of image-taking video signals are provided. The method and an apparatus adopting the method are capable of reducing distortion generated in a taken picture by a focal plane phenomenon caused by a hand movement or the like 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, one screen segment of the taken image is divided into a plurality of image sub-segments. For each of the image sub-segments, the rate of the positional change of the image-taking device is detected. Then, in each of the image sub-segments, the distortion caused by the positional change of the image-taking device in the taken image is corrected on the basis of the rate detected for each of the image sub-segments as the rate of the positional change of the image-taking device.
    • 提供了一种用于校正摄像视频信号的失真的方法和装置。 采用该方法的方法和装置能够通过使用X-Y地址类型的摄像装置的摄像装置中的由手动等引起的焦平面现象来减少拍摄图像中产生的失真。 更具体地,该方法能够校正拍摄图像中观察到的失真,作为在拍摄时间拍摄图像的水平和/或垂直方向上发生的位置变化引起的失真,作为图像的位置变化 装置。 根据该方法,拍摄图像的一个屏幕段被分成多个图像子段。 对于每个图像子段,检测摄像装置的位置变化的速率。 然后,在每个图像子段中,基于对每个图像子段检测到的速率来校正由拍摄图像中的摄像装置的位置变化引起的失真, 拍摄装置的位置变化。