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    • 1. 发明申请
    • IMAGE PROCESSING APPARATUS AND METHOD, PROGRAM AND RECORDING MEDIUM
    • 图像处理装置和方法,程序和记录介质
    • US20130084017A1
    • 2013-04-04
    • US13608267
    • 2012-09-10
    • Masatoshi YokokawaTakefumi NagumoJun Luo
    • Masatoshi YokokawaTakefumi NagumoJun Luo
    • G06K9/68
    • H04N19/86H04N5/145
    • An image processing apparatus includes a motion estimation processing section that detects a motion vector of block units which configure an image from a standard image and a reference image; a motion compensation processing section that produces a motion compensation image by performing motion compensation of the reference image using the motion vector; a difference calculation section that calculates a difference value between pixel values of a pixels of the standard image and pixel values of pixels of the motion compensation image; and a threshold value processing section that determines whether block noise is contained in the motion compensation image of a block unit or not by performing a threshold value processing on the difference value.
    • 一种图像处理装置,包括运动估计处理部,其检测从标准图像和参考图像构成图像的块单位的运动矢量; 运动补偿处理部,其通过使用所述运动矢量进行所述参考图像的运动补偿来生成运动补偿图像; 差分计算部分,计算标准图像的像素的像素值和运动补偿图像的像素的像素值之间的差值; 以及阈值处理部,其通过对所述差值执行阈值处理来判定块单位的运动补偿图像中是否包含块噪声。
    • 4. 发明授权
    • Motion-compensation image processing apparatus, image processing method, and program
    • 运动补偿图像处理装置,图像处理方法和程序
    • US08269843B2
    • 2012-09-18
    • US12642681
    • 2009-12-18
    • Jun LuoTakefumi NagumoYuhi Kondo
    • Jun LuoTakefumi NagumoYuhi Kondo
    • H04N5/228
    • H04N5/23248H04N5/145H04N5/23254H04N5/23267
    • An image processing apparatus includes: a section that detects a local motion vector for each block forming an image from a standard image and a reference image; a section that executes motion compensation on the reference image employing the local motion vector to generate a local motion-compensated image; a section that calculates a single global motion vector for the entire standard image and the entire reference image employing the local motion vector and that executes motion compensation on the reference image employing the global motion vector to generate a global motion-compensated image; and a section that calculates respective reliabilities of the local motion-compensated image and the global motion-compensated image in units of image regions and that executes a process to synthesize pixel values of the local motion-compensated image and pixel values of the global motion-compensated image in accordance with the reliabilities to generate a blended motion-compensated image.
    • 一种图像处理装置包括:从标准图像和参考图像检测形成图像的每个块的局部运动矢量的部分; 使用局部运动矢量对参考图像执行运动补偿以产生局部运动补偿图像的部分; 计算整个标准图像的单个全局运动矢量和采用局部运动矢量的整个参考图像并且使用全局运动矢量对参考图像执行运动补偿以产生全局运动补偿图像的部分; 以及以图像区域为单位计算局部运动补偿图像和全局运动补偿图像的各个可靠性的部分,并且执行合成局部运动补偿图像的像素值和全局运动补偿图像的像素值的处理, 根据可靠性生成混合运动补偿图像的补偿图像。
    • 6. 发明申请
    • IMAGE PROCESSING APPARATUS AND METHOD
    • 图像处理装置和方法
    • US20110122953A1
    • 2011-05-26
    • US13054648
    • 2009-07-24
    • Ohji NakagamiJunichi TanakaTakefumi NagumoYoichi Yagasaki
    • Ohji NakagamiJunichi TanakaTakefumi NagumoYoichi Yagasaki
    • H04N7/26
    • H04N7/26H04N19/00H04N19/109H04N19/51H04N19/52H04N19/523H04N19/573H04N19/615
    • The present invention relates to an image processing apparatus and method that allow the generation of a high-accuracy prediction image without increasing the processing load.A difference image between motion compensation images MC0 and MC1 extracted from different reference frames is calculated. A low-pass filter is applied to the difference image, and the gain of an obtained image is adjusted. A high-pass filter is applied to an image obtained by the application of a low-pass filter, and the gain of an obtained image is adjusted. An image obtained by adding the output of a gain adjustment circuit 53 and the output of a gain adjustment circuit 55 is added with the motion compensation image MC0, and a prediction image is generated. The present invention can be applied to an apparatus that performs prediction encoding, and an apparatus that decodes information encoded through prediction encoding.
    • 本发明涉及一种允许生成高精度预测图像而不增加处理负荷的图像处理装置和方法。 计算从不同参考帧提取的运动补偿图像MC0和MC1之间的差分图像。 对差分图像应用低通滤波器,并且调整所获得的图像的增益。 将高通滤波器应用于通过应用低通滤波器获得的图像,并且调整所获得的图像的增益。 通过将增益调整电路53的输出和增益调整电路55的输出相加而获得的图像与运动补偿图像MC0相加,生成预测图像。 本发明可以应用于执行预测编码的装置,以及对通过预测编码编码的信息进行解码的装置。
    • 7. 发明申请
    • IMAGE PROCESSOR, IMAGE PROCESSING METHOD AND PROGRAM
    • 图像处理器,图像处理方法和程序
    • US20100183245A1
    • 2010-07-22
    • US12691652
    • 2010-01-21
    • Hiroshi OryojiTakefumi NagumoHideyuki Ichihashi
    • Hiroshi OryojiTakefumi NagumoHideyuki Ichihashi
    • G06K9/32
    • H04N7/014G06T3/4053H04N7/0125
    • An image processor performing super-resolution of converting an input image with first resolution to an output image with second resolution higher than the first resolution on consecutive input images includes a prediction unit predicting the output image with the second resolution of a current frame using the input image of the current frame and the output image obtained by the super-resolution on an input image of a previous frame; a generation unit generating a reduced image with the first resolution composed of pixels at different phases of the prediction image using a prediction image obtained by the prediction of the prediction unit; a difference calculation unit calculating a difference between the input image of the current frame and the reduced image; and an addition unit adding the difference up-sampled to the second resolution to the prediction image, thus generating the output image with the second resolution of the current frame.
    • 执行将具有第一分辨率的输入图像转换为具有高于连续输入图像上的第一分辨率的第二分辨率的输出图像的超分辨率的图像处理器包括预测单元,该预测单元使用输入来预测具有当前帧的第二分辨率的输出图像 在前一帧的输入图像上通过超分辨率获得的当前帧的图像和输出图像; 使用由预测单元的预测获得的预测图像,生成具有由预测图像的不同相位的像素组成的第一分辨率的缩小图像的生成单元; 差分计算单元,计算当前帧的输入图像与缩小图像之间的差; 以及加法单元,将预取图像的第二分辨率的上采样差加到预测图像上,从而产生具有当前帧的第二分辨率的输出图像。
    • 8. 发明申请
    • IMAGE PROCESSING APPARATUS, IMAGE PROCESSING METHOD, AND PROGRAM
    • 图像处理设备,图像处理方法和程序
    • US20100157072A1
    • 2010-06-24
    • US12642681
    • 2009-12-18
    • Jun LUOTakefumi NagumoYuhi Kondo
    • Jun LUOTakefumi NagumoYuhi Kondo
    • H04N5/228H04N5/14
    • H04N5/23248H04N5/145H04N5/23254H04N5/23267
    • An image processing apparatus includes: a section that detects a local motion vector for each block forming an image from a standard image and a reference image; a section that executes motion compensation on the reference image employing the local motion vector to generate a local motion-compensated image; a section that calculates a single global motion vector for the entire standard image and the entire reference image employing the local motion vector and that executes motion compensation on the reference image employing the global motion vector to generate a global motion-compensated image; and a section that calculates respective reliabilities of the local motion-compensated image and the global motion-compensated image in units of image regions and that executes a process to synthesize pixel values of the local motion-compensated image and pixel values of the global motion-compensated image in accordance with the reliabilities to generate a blended motion-compensated image.
    • 一种图像处理装置包括:从标准图像和参考图像检测形成图像的每个块的局部运动矢量的部分; 使用局部运动矢量对参考图像执行运动补偿以产生局部运动补偿图像的部分; 计算整个标准图像的单个全局运动矢量和采用局部运动矢量的整个参考图像并且使用全局运动矢量对参考图像执行运动补偿以产生全局运动补偿图像的部分; 以及以图像区域为单位计算局部运动补偿图像和全局运动补偿图像的各个可靠性的部分,并且执行合成局部运动补偿图像的像素值和全局运动补偿图像的像素值的处理, 根据可靠性生成混合运动补偿图像的补偿图像。