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    • 1. 发明授权
    • Image processing device and recording medium storing image processing program
    • 图像处理装置和存储图像处理程序的记录介质
    • US08660361B2
    • 2014-02-25
    • US13309619
    • 2011-12-02
    • Shanshan YuSatoshi Nakashima
    • Shanshan YuSatoshi Nakashima
    • G06K9/46
    • G06K9/00248
    • An image processing device includes a storage unit that stores dictionary information; a generating unit that extracts, from an input image, a plurality of characteristic point candidates, and generates a plurality of combinations that each include a plurality of characteristic point candidates; a removing unit that removes, for each of the combinations, at least one characteristic point candidate based on at least one of the dictionary information and information obtained by analyzing the input image; and a determining unit that acquires, for each of the combinations, results of matching the dictionary information with the combination of which the at least one characteristic point candidate has been removed, selects a combination of characteristic point candidates based on the acquired matching results, and determines, as the characteristic points, the plurality of characteristic point candidates included in the selected combination.
    • 图像处理装置包括存储字典信息的存储单元; 生成单元,从输入图像中提取多个特征点候选,并生成各自包括多个特征点候选的多个组合; 去除单元,用于基于所述字典信息和通过分析所述输入图像获得的信息中的至少一个,针对每个所述组合去除至少一个特征点候选; 以及确定单元,对于每个所述组合,获取所述字典信息与已经去除所述至少一个特征点候选的组合的匹配结果,基于所获取的匹配结果选择特征点候选的组合,以及 确定包括在所选择的组合中的多个特征点候选作为特征点。
    • 2. 发明授权
    • Image correction apparatus and image correction method
    • 图像校正装置和图像校正方法
    • US08369648B2
    • 2013-02-05
    • US12785659
    • 2010-05-24
    • Shanshan YuMasayoshi Shimizu
    • Shanshan YuMasayoshi Shimizu
    • G06K9/40
    • G06T5/009
    • An image correction apparatus calculates a feature value indicative of an average brightness of an input image from the pixel values of the input image and determines a pixel value at a boundary for correcting each pixel of the input image to make it brighter or darker by using the calculated feature value of the input image. The image correction apparatus calculates, with respect to the pixel value of each pixel of the input image, an area for determining a contrast correction amount for a pixel value smaller than the pixel value at the determined boundary such that a pixel is to be made darker and calculates an area for determining a contrast correction amount for a pixel value larger than the pixel value at the determined boundary such that a pixel is to be made brighter, thereby correcting the contrast of the input image by using the calculated areas.
    • 图像校正装置根据输入图像的像素值计算表示输入图像的平均亮度的特征量,并且确定用于校正输入图像的每个像素的边界处的像素值,以使其更亮或更暗 计算输入图像的特征值。 图像校正装置针对输入图像的每个像素的像素值计算用于确定比所确定的边界处的像素值小的像素值的对比度校正量的区域,使得像素变得更暗 并且计算用于确定大于所确定边界处的像素值的像素值的对比度校正量的面积,使得要使像素更亮,从而通过使用所计算的面积来校正输入图像的对比度。
    • 3. 发明申请
    • DISPLAY CONTROL APPARATUS AND DISPLAY APPARATUS
    • 显示控制装置和显示装置
    • US20110227968A1
    • 2011-09-22
    • US13149142
    • 2011-05-31
    • Masayoshi ShimizuShanshan Yu
    • Masayoshi ShimizuShanshan Yu
    • G09G5/10
    • G09G3/342G09G2320/0626G09G2360/16
    • A display apparatus includes a light control unit that changes the light transmittance or the reflectance with respect to each pixel; a plurality of light sources that irradiates light to the light control unit; a light-emission distribution calculating unit that calculates a light emission distribution when the light sources illuminate with respective set light emission intensities based on light-emission pattern data of the respective light sources that are preliminarily stored; a brightness comparing unit that compares the brightness in the light emission distribution calculated by the light-emission distribution calculating unit and the brightness of an image of a display object; and an adjustment-amount determining unit that determines an adjustment amount of the light emission intensity of each light source based on a comparison result by the brightness comparing unit.
    • 显示装置包括相对于每个像素改变透光率或反射率的光控制单元; 将光照射到所述光控制单元的多个光源; 发光分布计算单元,其基于预先存储的各个光源的发光图案数据,计算当所述光源以设定的发光强度照亮时的发光分布; 亮度比较单元,其将由所述发光分布计算单元计算的发光分布中的亮度与显示对象的图像的亮度进行比较; 以及调整量确定单元,其基于亮度比较单元的比较结果确定每个光源的发光强度的调节量。
    • 5. 发明申请
    • Image processing device and image correction device
    • 图像处理装置和图像校正装置
    • US20100290702A1
    • 2010-11-18
    • US12805210
    • 2010-07-19
    • Shanshan YuMasayoshi Shimizu
    • Shanshan YuMasayoshi Shimizu
    • G06K9/34
    • H04N1/4074G06T5/009G06T5/40
    • An image processing device includes a dividing unit which divides a brightness histogram of an input image into a plurality of value regions according to gradation, a ratio computing unit which computes the number of pixels of each value region divided by the dividing unit and the number of pixels of the input image, respectively, and computes a ratio or a magnitude relation of the number of pixels of each value region with respect to the number of pixels of the input image, and a control-point computing unit which computes a control point, which specifies a shape of a correction curve for image correction according to a feature of the input image, based on the ratio or the magnitude relation of each value region computed by the ratio computing unit.
    • 一种图像处理装置包括:分割单元,其根据灰度将输入图像的亮度直方图分解为多个值区域;计算单元划分的每个值区域的像素数目的比率计算单元, 并且计算每个值区域的像素数相对于输入图像的像素数量的比率或大小关系,以及计算控制点的控制点计算单元, 其基于由比率计算单元计算的每个值区域的比率或大小关系,根据输入图像的特征来指定用于图像校正的校正曲线的形状。
    • 7. 发明申请
    • Image processing apparatus and image processing method
    • 图像处理装置和图像处理方法
    • US20110228990A1
    • 2011-09-22
    • US13064299
    • 2011-03-16
    • Shanshan YuMasayoshi Shimizu
    • Shanshan YuMasayoshi Shimizu
    • G06K9/00
    • G06K9/00228G06T7/74G06T2207/30201
    • An image processing apparatus includes an analysis processing unit that quantizes an input image in two levels by replacing an area of the input image where a feature of a subject appears with a first pixel value and replacing an area of the input image where no feature of the subject appears with a second pixel value when the input image is acquired; a storing unit that stores dictionary data including a feature of a plurality of face images quantized by the analysis processing unit; and a face detection processing unit that performs face detection on a detection target image by using the dictionary data read from the storing unit, the detection target data being quantized by the analysis processing unit.
    • 一种图像处理装置包括:分析处理单元,其通过用输入图像的区域替换输入图像的区域,并且将输入图像的区域替换为不具有第一像素值的区域, 当获取输入图像时,对象出现具有第二像素值; 存储单元,其存储包括由分析处理单元量化的多个面部图像的特征的字典数据; 以及面部检测处理单元,其通过使用从所述存储单元读取的字典数据,对所述检测对象图像进行面部检测,所述检测对象数据由所述分析处理单元量化。
    • 8. 发明申请
    • APPARATUS, METHOD, AND PROGRAM FOR IMAGE CORRECTION
    • 用于图像校正的装置,方法和程序
    • US20100183239A1
    • 2010-07-22
    • US12750138
    • 2010-03-30
    • Shanshan YuMasayoshi Shimizu
    • Shanshan YuMasayoshi Shimizu
    • G06K9/40
    • G06T5/005G06T5/20
    • To perform image correction according to the features of an input image and output a fine and conspicuous image corresponding to a variety of scenes; an image correcting apparatus detects, from the pixels of the input image, the dark pixels that have the respective pixel values equal to or smaller than a first threshold value. Then, for each dark pixel having the pixel value equal to or smaller than the first threshold value, the image correcting apparatus detects calculates the shading variation between the dark pixel and the corresponding surrounding pixels, calculates a correction amount based on the calculated shading variation, and performs image correction with the calculated correction amount.
    • 根据输入图像的特征进行图像校正,并输出与各种场景相对应的细微且显眼的图像; 图像校正装置从输入图像的像素检测具有等于或小于第一阈值的各像素值的暗像素。 然后,对于具有等于或小于第一阈值的像素值的每个暗像素,图像校正装置检测计算暗像素和相应周围像素之间的阴影变化,基于计算的阴影变化计算校正量, 并用计算出的校正量进行图像校正。
    • 9. 发明申请
    • Image processing apparatus and image processing method
    • 图像处理装置和图像处理方法
    • US20110229041A1
    • 2011-09-22
    • US13064297
    • 2011-03-16
    • Shanshan YuMasayoshi Shimizu
    • Shanshan YuMasayoshi Shimizu
    • G06K9/46
    • G06K9/00228
    • An image processing apparatus includes a conversion unit that converts an input image into a plurality of frequency components; a first quantization threshold calculating unit that calculates a first quantization threshold corresponding to a first frequency component among the plurality of frequency components of the input image converted by the conversion unit, based on a statistic value of the first frequency component; a second quantization threshold calculating unit that calculates a second quantization threshold corresponding to a second frequency component other than the first frequency component among the plurality of frequency components, based on the first quantization threshold calculated by the first quantization threshold calculating unit; and a quantization unit that quantizes the first frequency component and the second frequency component by using the first quantization threshold and the second quantization threshold, respectively.
    • 一种图像处理装置包括将输入图像转换为多个频率分量的转换单元; 第一量化阈值计算单元,基于第一频率分量的统计值,计算与由转换单元转换的输入图像的多个频率分量中的第一频率分量相对应的第一量化阈值; 第二量化阈值计算单元,基于由第一量化阈值计算单元计算出的第一量化阈值,计算与多个频率分量之中的第一频率分量以外的第二频率分量相对应的第二量化阈值; 以及量化单元,其分别通过使用第一量化阈值和第二量化阈值来量化第一频率分量和第二频率分量。