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    • 5. 发明授权
    • Image processing apparatus and image processing method
    • 图像处理装置和图像处理方法
    • US08774548B2
    • 2014-07-08
    • US13112620
    • 2011-05-20
    • Kousei Sugimoto
    • Kousei Sugimoto
    • G06K9/40H04N1/46
    • G06T5/004G06T2207/10004G06T2207/20192
    • An image processing apparatus includes: an unit that performs second-order differentiation on an inputted image signal, and outputs the result as an edge enhancement signal; an unit that calculates a first difference value in a form of an absolute value of a difference between pixel values of two first pixels; an unit that calculates a second difference value in a form of an absolute value of a difference between pixel values of two second pixels; an unit that multiplies the second difference value by a first value; an unit that subtracts the multiplication result from the first difference value, limits a lower-limit value of the result to 0, and outputs the result as an edge adjustment coefficient; an unit that corrects the edge enhancement signal through multiplication by the edge adjustment coefficient; and an unit that adds the corrected edge enhancement signal to the image signal.
    • 一种图像处理装置包括:对输入的图像信号执行二阶微分的单元,并将结果作为边缘增强信号输出; 以两个第一像素的像素值之差的绝对值的形式计算第一差分值的单元; 以二像素的像素值之差的绝对值的形式计算第二差分值的单元; 将所述第二差分值乘以第一值的单元; 从第一差值减去相乘结果的单位将结果的下限值限制为0,并将结果作为边缘调整系数输出; 通过边缘调整系数相乘来校正边缘增强信号的单元; 以及将校正的边缘增强信号添加到图像信号的单元。
    • 6. 发明申请
    • IMAGE PROCESSING APPARATUS AND IMAGE PROCESSING METHOD
    • 图像处理装置和图像处理方法
    • US20110254930A1
    • 2011-10-20
    • US13076822
    • 2011-03-31
    • Kousei Sugimoto
    • Kousei Sugimoto
    • H04N13/04
    • H04N7/0127H04N5/145H04N13/111
    • An image processing apparatus includes: a unit that detects a motion vector from a first video image and a second video image; a unit that detects a disparity vector between a frame of the first video image and a frame of the second video image; a unit that, when there exists a non-detection position at which no motion vector is detected in a frame of one video image, performs correction by detecting a corresponding position included in a frame of the other video image that corresponds to the non-detection position using the disparity vector, and setting a motion vector of the frame of the other video image at the corresponding position, to the non-detection position; and a unit that generates respective interpolation frames of the first video image and the second video image using the motion vector after correction.
    • 一种图像处理装置,包括:检测来自第一视频图像和第二视频图像的运动矢量的单元; 检测第一视频图像的帧和第二视频图像的帧之间的视差矢量的单元; 当在一个视频图像的帧中存在没有检测到运动矢量的非检测位置时,通过检测包括在与非检测对应的另一视频图像的帧中的对应位置来执行校正的单元 使用所述视差矢量的位置,并且将所述另一视频图像的帧在相应位置处的运动矢量设置到所述非检测位置; 以及使用校正后的运动矢量来生成第一视频图像和第二视频图像的各个内插帧的单元。
    • 7. 发明授权
    • Image signal processor and image signal processing method
    • 图像信号处理器和图像信号处理方法
    • US07606438B2
    • 2009-10-20
    • US11067762
    • 2005-03-01
    • Kousei Sugimoto
    • Kousei Sugimoto
    • G06K9/40G06K9/00G03F3/08
    • G06T5/004
    • To obtain an excellent edge enhancement effect even when dynamic γ correction processing is executed for an edge-enhanced image signal, and to obtain an excellent edge enhancement effect for various γ-characteristics. An edge component is detected from an input image signal. A γ correction curve is calculated based on characteristics of an image scene detected by a scene characteristic detector, and its data is stored in a dynamic γ correction RAM table and an inverse gradient RAM table. A gain controller multiplies the edge component by a control signal from the inverse gradient RAM table to generate an edge enhancement signal which is in turn added to the image signal to obtain an edge-enhanced signal. The inverse gradient RAM table sends an inverse number of a gradient of a γ correction curve corresponding to a signal level of the inputted image signal as the control signal to the gain controller. An edge-enhanced signal becomes an image signal for which dynamic γ correction is performed in accordance with a dynamic γ correction RAM table to be outputted.
    • 即使对边缘增强图像信号执行动态伽马校正处理,也可获得优异的边缘增强效果,并获得各种伽马特性的极好的边缘增强效果。 从输入图像信号检测边缘分量。 基于由场景特征检测器检测到的图像场景的特性来计算伽马校正曲线,并且将其数据存储在动态伽马校正RAM表和逆梯度RAM表中。 增益控制器将边缘分量乘以来自逆梯度RAM表的控制信号以产生边缘增强信号,该边缘增强信号又被加到图像信号上以获得边缘增强信号。 逆梯度RAM表将与输入的图像信号的信号电平相对应的伽马校正曲线的斜率的倒数作为控制信号发送给增益控制器。 边缘增强信号变为根据要输出的动态伽马校正RAM表执行动态伽马校正的图像信号。
    • 10. 发明授权
    • Image processing apparatus and image processing method
    • 图像处理装置和图像处理方法
    • US08675051B2
    • 2014-03-18
    • US13076822
    • 2011-03-31
    • Kousei Sugimoto
    • Kousei Sugimoto
    • H04N13/04H04N7/50
    • H04N7/0127H04N5/145H04N13/111
    • An image processing apparatus includes: a unit that detects a motion vector from a first video image and a second video image; a unit that detects a disparity vector between a frame of the first video image and a frame of the second video image; a unit that, when there exists a non-detection position at which no motion vector is detected in a frame of one video image, performs correction by detecting a corresponding position included in a frame of the other video image that corresponds to the non-detection position using the disparity vector, and setting a motion vector of the frame of the other video image at the corresponding position, to the non-detection position; and a unit that generates respective interpolation frames of the first video image and the second video image using the motion vector after correction.
    • 一种图像处理装置,包括:检测来自第一视频图像和第二视频图像的运动矢量的单元; 检测第一视频图像的帧和第二视频图像的帧之间的视差矢量的单元; 当在一个视频图像的帧中存在没有检测到运动矢量的非检测位置时,通过检测包括在与非检测对应的另一视频图像的帧中的对应位置来执行校正的单元 使用所述视差矢量的位置,并且将所述另一视频图像的帧在相应位置处的运动矢量设置到所述非检测位置; 以及使用校正后的运动矢量来生成第一视频图像和第二视频图像的各个内插帧的单元。