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    • 1. 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
    • US20120275655A1
    • 2012-11-01
    • US13449962
    • 2012-04-18
    • Masaki UchidaKoji Aoyama
    • Masaki UchidaKoji Aoyama
    • G06K9/40
    • H04N5/144H04N5/213
    • An image processing apparatus includes a flatness detector, a difference calculation section, a noise level detector, and a motion detector. The flatness detector detects a flat region where pixel values of pixels on a first image are flat, based on variances of the pixel values of the pixels constituting the first image inputted. The difference calculation section calculates a difference between the pixel values of the pixels corresponding to the first image and a second image which continues before or after the first image. The noise level detector detects a noise level indicating a statistic noise amount of noise generated in each pixel constituting the first image based on the variances of the difference. The motion detector detects at least one of a still region indicating a region where an object on the first image is still and a motion region indicating a region where the object is moving.
    • 图像处理装置包括平坦度检测器,差分计算部分,噪声电平检测器和运动检测器。 平坦度检测器基于构成输入的第一图像的像素的像素值的方差,检测第一图像上的像素的像素值平坦的平坦区域。 差分计算部分计算与第一图像相对应的像素的像素值与在第一图像之前或之后继续的第二图像之间的差异。 噪声电平检测器基于差的方差检测指示构成第一图像的每个像素中产生的噪声的统计噪声量的噪声电平。 运动检测器检测指示第一图像上的对象静止的区域的静止区域和指示对象正在移动的区域的运动区域中的至少一个。
    • 2. 发明授权
    • Image processing apparatus, image processing method, and program
    • 图像处理装置,图像处理方法和程序
    • US08712106B2
    • 2014-04-29
    • US13449962
    • 2012-04-18
    • Masaki UchidaKoji Aoyama
    • Masaki UchidaKoji Aoyama
    • G06K9/00
    • H04N5/144H04N5/213
    • An image processing apparatus includes a flatness detector, a difference calculation section, a noise level detector, and a motion detector. The flatness detector detects a flat region where pixel values of pixels on a first image are flat, based on variances of the pixel values of the pixels constituting the first image inputted. The difference calculation section calculates a difference between the pixel values of the pixels corresponding to the first image and a second image which continues before or after the first image. The noise level detector detects a noise level indicating a statistic noise amount of noise generated in each pixel constituting the first image based on the variances of the difference. The motion detector detects at least one of a still region indicating a region where an object on the first image is still and a motion region indicating a region where the object is moving.
    • 图像处理装置包括平坦度检测器,差分计算部分,噪声电平检测器和运动检测器。 平坦度检测器基于构成输入的第一图像的像素的像素值的方差,检测第一图像上的像素的像素值平坦的平坦区域。 差分计算部分计算与第一图像相对应的像素的像素值与在第一图像之前或之后继续的第二图像之间的差异。 噪声电平检测器基于差的方差检测指示构成第一图像的每个像素中产生的噪声的统计噪声量的噪声电平。 运动检测器检测指示第一图像上的对象静止的区域的静止区域和指示对象正在移动的区域的运动区域中的至少一个。
    • 4. 发明授权
    • Image processing device and method
    • 图像处理装置及方法
    • US08452120B2
    • 2013-05-28
    • US12716078
    • 2010-03-02
    • Koji Aoyama
    • Koji Aoyama
    • G06K9/40
    • H04N19/117H04N19/137H04N19/14H04N19/142H04N19/176H04N19/86
    • An image processing device includes: a level difference calculation means for calculating the difference of pixel values between each pixel and a neighborhood pixel as a level difference; a classification means for classifying respective pixels into classes in each range of the level difference; a boundary proportion calculation means for calculating proportion of the number of pixels at a block boundary as a boundary proportion according to the respective classes; and a block noise intensity determination means for determining a level difference of the class in which the boundary proportion is higher than a given threshold as well as the maximum value as block noise intensity in the image.
    • 图像处理装置包括:电平差计算装置,用于计算每个像素与邻近像素之间的像素值的差作为电平差; 分级装置,用于将各个像素分类为每个级别差异的范围; 边界比例计算装置,用于根据各个类别计算块边界处的像素数的比例作为边界比例; 以及块噪声强度确定装置,用于确定边界比例高于给定阈值的类别的电平差以及作为图像中的块噪声强度的最大值。
    • 7. 发明申请
    • Signal Processing Apparatus and Method, and Program
    • 信号处理装置与方法及程序
    • US20090220168A1
    • 2009-09-03
    • US12369448
    • 2009-02-11
    • Hiroaki YAMAJOKoji Aoyama
    • Hiroaki YAMAJOKoji Aoyama
    • G06K9/40
    • G06T5/002G06T5/20G06T2207/20012G06T2207/20192H04N19/117H04N19/14H04N19/182H04N19/61H04N19/80H04N19/86
    • A signal processing apparatus for performing a filtering process on an input image using a plurality of filters to generate an output image includes the following elements. A region variance value calculating unit calculates a region variance value for a region around a predetermined pixel used as a pixel of interest on the input image. A filter processing unit applies a filtering process to a pixel value of the pixel of interest using the filters. A reflection amount determining unit determines a reflection amount based on the region variance value. A combining unit calculates a pixel value of a pixel of the output image corresponding to the pixel of interest on the basis of respective filter output values obtained by filtering processes applied by a plurality of filter processing units, respective reflection amounts determined with respect to the filter output values, and the pixel value of the pixel of interest.
    • 使用多个滤波器对输入图像执行滤波处理以产生输出图像的信号处理装置包括以下元件。 区域方差值计算单元计算在输入图像上用作感兴趣像素的预定像素周围的区域的区域方差值。 滤波处理单元使用滤波器将滤波处理应用于感兴趣像素的像素值。 反射量确定单元基于区域方差值来确定反射量。 合成单元基于通过由多个滤波处理单元应用的滤波处理获得的各个滤波器输​​出值来计算与感兴趣像素对应的输出图像的像素的像素值,相对于滤波器确定的各个反射量 输出值和感兴趣像素的像素值。
    • 10. 发明申请
    • IMAGE PROCESSING APPARATUS AND METHOD, RECORDING MEDIUM, AND PROGRAM
    • 图像处理设备和方法,记录介质和程序
    • US20080181529A1
    • 2008-07-31
    • US11671254
    • 2007-02-05
    • Xavier MichelKoji Aoyama
    • Xavier MichelKoji Aoyama
    • G06K9/40
    • G06T5/002G06T5/003G06T5/20G06T2207/20192
    • An image processing apparatus including a contrast detector that detects a contrast intensity of a pixel in a first image; a flat-intensity detector that detects a flat intensity of the pixel; an edge-intensity detector that detects an edge intensity of the pixel; a flat-weight setter that sets a flat weight for the pixel; an edge-weight setter that sets an edge weight for the pixel; an attenuator that attenuates components in a predetermined frequency band of the first image to form a second image; a first combiner that combines the first and second images to form a third image using weights based on the flat weight; an edge enhancer that enhances edges in the third image to form a fourth image; and a second combiner that combines the first and fourth images using weights based on the edge weight.
    • 一种图像处理装置,包括检测第一图像中的像素的对比度强度的对比度检测器; 平坦度检测器,其检测像素的平坦强度; 边缘强度检测器,其检测像素的边缘强度; 平板重量设定器,为像素设定平重; 边缘权重设定器,用于设置像素的边缘权重; 衰减器,衰减所述第一图像的预定频带中的分量以形成第二图像; 第一组合器,其使用基于所述平重的权重组合所述第一和第二图像以形成第三图像; 边缘增强器,其增强所述第三图像中的边缘以形成第四图像; 以及第二组合器,其使用基于边缘权重的权重来组合第一和第四图像。