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    • 3. 发明专利
    • Image processing apparatus, method, and program
    • 图像处理设备,方法和程序
    • JP2013115697A
    • 2013-06-10
    • JP2011261649
    • 2011-11-30
    • Toshiba Corp株式会社東芝
    • YAMAMOTO TAKUMATAGUCHI YASUNORIMATSUMOTO NOBUYUKI
    • H04N5/21G06T5/00
    • PROBLEM TO BE SOLVED: To effectively remove image noise.SOLUTION: An image processing apparatus of one embodiment, comprises: a reference-image production part, a difference calculation part, a weight calculation part, and a pixel value calculation part. The reference-image production part generates a reference image from a target image by performing at least any one of powering up a first frequency band containing a signal component of the target image and powering down a second frequency band containing a noise component of the target image. The difference calculation part calculates respective differences between a first region within the reference image and multiple second regions within the reference image. The weight calculation part calculates respective weights of the multiple second regions that are bigger as the differences are smaller. The pixel value calculation part applies the weights calculated in the reference image to the target image and calculates output pixel values by performing weighted-averaging of pixel values within the target image.
    • 要解决的问题:有效去除图像噪声。 解决方案:一个实施例的图像处理装置包括:参考图像生成部分,差分计算部分,权重计算部分和像素值计算部分。 基准图像生成部通过对包含目标图像的信号成分的第一频带进行加电,并对包含目标图像的噪声分量的第二频带进行断电的至少任一个,从目标图像生成参考图像 。 差分计算部分计算参考图像内的第一区域和参考图像内的多个第二区域之间的差异。 权重计算部分计算差异较小的多个第二区域的相应权重。 像素值计算部分将参考图像中计算的权重应用于目标图像,并通过对目标图像内的像素值进行加权平均来计算输出像素值。 版权所有(C)2013,JPO&INPIT
    • 4. 发明专利
    • Image processing system, image processing method, and program
    • 图像处理系统,图像处理方法和程序
    • JP2013041398A
    • 2013-02-28
    • JP2011177525
    • 2011-08-15
    • Toshiba Corp株式会社東芝
    • KAWADA SATOSHIYAMAMOTO TAKUMATAGUCHI YASUNORIMATSUMOTO NOBUYUKI
    • G06T5/00G06T5/20H04N1/409
    • G06T5/002G06K9/66G06T5/20H04N1/409
    • PROBLEM TO BE SOLVED: To remove noise from an image while maintaining sharpness of the image.SOLUTION: An image processing system comprises a correlation calculation unit, a selection unit, a distance calculation unit, a feature amount calculation unit, a weight calculation unit, and a pixel value calculation unit. The correlation calculation unit calculates correlations between a first area including a first pixel in an image and a plurality of first base vectors. The selection unit selects one or more second base vectors from the first base vectors according to the magnitude of the correlations. The distance calculation unit calculates distances between the first area and a plurality of second areas each including a plurality of second pixels in a subspace formed by the second base vectors. The feature amount calculation unit calculates feature amounts by using the correlations corresponding to third base vectors of the first base vectors. The weight calculation unit calculates weight to be assigned to the second pixels according to the distances and the feature amounts. The pixel value calculation unit calculates output pixel values by calculating a weighted average of the second pixels according to the weight.
    • 要解决的问题:为了在保持图像清晰度的同时从图像中除去噪声。 解决方案:图像处理系统包括相关计算单元,选择单元,距离计算单元,特征量计算单元,权重计算单元和像素值计算单元。 相关计算单元计算包括图像中的第一像素的第一区域和多个第一基本矢量之间的相关性。 选择单元根据相关性的大小从第一基本向量中选择一个或多个第二基本向量。 距离计算单元计算第一区域和多个第二区域之间的距离,每个第二区域包括由第二基本矢量形成的子空间中的多个第二像素。 特征量计算单元通过使用与第一基矢量的第三基矢量相对应的相关来计算特征量。 权重计算单元根据距离和特征量计算要分配给第二像素的权重。 像素值计算单元通过根据权重计算第二像素的加权平均来计算输出像素值。 版权所有(C)2013,JPO&INPIT
    • 5. 发明专利
    • Stereoscopic image display device, method and program
    • 立体图像显示装置,方法和程序
    • JP2012105101A
    • 2012-05-31
    • JP2010252337
    • 2010-11-10
    • Toshiba Corp株式会社東芝
    • YAMAMOTO TAKUMATAGUCHI YASUNORIMATSUMOTO NOBUYUKI
    • H04N13/04G02B27/22G03B35/00G09G5/00G09G5/36
    • G02B27/22H04N13/0007H04N13/004H04N13/0404H04N13/0447H04N13/0468H04N13/0475H04N13/0477H04N13/0481
    • PROBLEM TO BE SOLVED: To reduce multiple blur.SOLUTION: A stereoscopic image display device includes a display part and an optimum element image generation part. The display part includes a two-dimensional image display device having a display surface where a plurality of pixels are arranged in a matrix, and a light beam controller provided on the display surface of the two-dimensional image display device corresponding to the position of an element image which is the display data of the plurality of pixels to control a light beam from the pixels. The optimum element image generation part generates an optimum element image by determining the value of at least one pixel by the weighted sum of the values of at least two pixels of an initial element image which is a generated or inputted temporary element image and weight calculated based on a light beam distribution indicating the direction and scattering degree of the light beam from the light beam controller. The display part displays the optimum element image.
    • 要解决的问题:减少多重模糊。 解决方案:立体图像显示装置包括显示部分和最佳元素图像生成部分。 显示部分包括具有多个像素排列成矩阵的显示表面的二维图像显示装置,以及设置在二维图像显示装置的显示表面上的光束控制器,其对应于 元素图像,其是用于控制来自像素的光束的多个像素的显示数据。 最佳元素图像生成部件通过基于生成或输入的临时元素图像的初始元素图像的至少两个像素的值的加权和确定至少一个像素的值来生成最佳元素图像, 在指示来自光束控制器的光束的方向和散射度的光束分布上。 显示部分显示最佳元素图像。 版权所有(C)2012,JPO&INPIT
    • 7. 发明专利
    • Image processor, image processing method and program, and imaging device
    • 图像处理器,图像处理方法和程序以及成像装置
    • JP2014016965A
    • 2014-01-30
    • JP2012155965
    • 2012-07-11
    • Toshiba Corp株式会社東芝
    • YAMAMOTO TAKUMATAGUCHI YASUNORIONO TOSHIYUKIMATSUMOTO NOBUYUKI
    • G06T1/00G06T3/00H04N1/40H04N5/232
    • G06T5/003G06T3/4053G06T2200/21G06T2207/10052
    • PROBLEM TO BE SOLVED: To suppress a deterioration in an image quality due to a reduction in the number of pixels when generating a refocus image.SOLUTION: In an image processor of an embodiment, a generation part generates a refocus image focused on a prescribed distance from a plurality of unit images imaged at positions at which a point on a subject is different in accordance with a distance from an imaging part to the position of the point on the subject. A determination part determines sampling information including a set of a position in the refocus image of pixels in a plurality of images and a pixel value of the pixels, and a processing part performs high resolution processing of a prescribed area including a first position shown in the sampling information of the refocus image with strength corresponding to a focusing degree of pixels corresponding to the first position.
    • 要解决的问题:抑制由于在产生再聚焦图像时像素数量的减少导致的图像质量的劣化。解决方案:在一个实施例的图像处理器中,生成部分生成聚焦在规定距离上的再聚焦图像 根据从成像部分到被摄体上的点的位置的距离,在被摄体上的点的位置处成像的多个单位图像中的多个单位图像。 确定部分确定包括多个图像中的像素的再聚焦图像中的位置集合和像素的像素值的采样信息,并且处理部分执行包括第一位置中的第一位置的规定区域的高分辨率处理 利用对应于与第一位置对应的像素的聚焦度的强度的重聚焦图像的采样信息。
    • 10. 发明专利
    • Motion vector detection device
    • 运动矢量检测装置
    • JP2012053770A
    • 2012-03-15
    • JP2010196984
    • 2010-09-02
    • Toshiba Corp株式会社東芝
    • YAMAMOTO TAKUMAMISHIMA SUNAO
    • G06T7/20
    • G06T7/238G06T2207/10016G06T2207/20021
    • PROBLEM TO BE SOLVED: To detect a correct motion vector from a repetitive pattern.SOLUTION: Plural matching errors between a focus block in a current frame and respective plural reference blocks in a reference frame are calculated, the least matching error thereof is calculated, a threshold value that increases as a variation of the plural matching errors becomes greater is calculated, a correction vector is calculated from motion vectors detected in other focus blocks different from the focus block, and among blocks in which differences between matching errors and the least matching error are within the threshold value among the reference blocks, a relative position vector relating to a block in which the relative position vector with respect to the focus block is the closest to the correction vector is determined as a motion vector for the focus block.
    • 要解决的问题:从重复模式检测正确的运动矢量。 解决方案:计算当前帧中的焦点块和参考帧中的相应多个参考块之间的多个匹配误差,计算其最小匹配误差,随着多个匹配误差的变化而增加的阈值变为 计算出更大的值,从与焦点块不同的其他焦点块中检测到的运动矢量和参考块中的匹配误差和最小匹配误差之间的差在阈值内的块中计算校正向量,相对位置 将与相对于聚焦块相对位置矢量最接近校正矢量的块相关的矢量确定为焦点块的运动矢量。 版权所有(C)2012,JPO&INPIT