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    • 1. 发明申请
    • Method and an apparatus for detecting the base concentration of a photographic film
    • 用于检测摄影胶片的基底浓度的方法和装置
    • US20060110032A1
    • 2006-05-25
    • US11285318
    • 2005-11-23
    • Shunsaku ToshihiroKoji Kita
    • Shunsaku ToshihiroKoji Kita
    • G06K9/00
    • G03B27/80
    • A method of detecting the base concentration of a film is provided comprising the steps of generating a concentration histogram from the film image in each of the RGB color components read out with an image pick up device, shifting and stretching the histograms in the other colors towards the histogram in the reference color in the concentration axial direction, calculating an superimposed area between the two histograms in the two color components after the stretching process, and finding the shift rate and the stretch ratio when a total of the respective superimposed areas calculated is the greatest value. As the minimum of the lowest concentration in the histograms at the shift rate and the stretch ratio determined is specified to represent the location of the base concentration in the original histogram, the base concentration in each color component of the film can be calculated from the location of the base concentration in the histogram.
    • 提供了一种检测薄膜的基底浓度的方法,包括以下步骤:利用图像拾取装置读出的每个RGB颜色分量中的胶片图像产生浓度直方图,将其它颜色的直方图移动和拉伸 在浓度轴向方向上的参考颜色的直方图,计算拉伸处理后的两个颜色分量中的两个直方图之间的叠加面积,以及当计算的各个叠加区域的总和为 最大的价值。 由于在移位速率下的直方图中最低浓度的最小值和确定的拉伸比指定为表示原始直方图中的基准浓度的位置,所以可以从该位置计算每个彩色成分中的基准浓度 的直方图中的碱浓度。
    • 2. 发明授权
    • Method and an apparatus for detecting the base concentration of a photographic film
    • 用于检测摄影胶片的基底浓度的方法和装置
    • US07613339B2
    • 2009-11-03
    • US11285318
    • 2005-11-23
    • Shunsaku ToshihiroKoji Kita
    • Shunsaku ToshihiroKoji Kita
    • G06K9/00
    • G03B27/80
    • A method of detecting the base concentration of a film comprises the steps of generating a concentration histogram from the film image in each of the RGB color components, shifting and stretching the histograms in the other colors towards the histogram in the reference color in the concentration axial direction, calculating an superimposed area between the two histograms in the two color components after the stretching process, and finding the shift rate and the stretch ratio when a total of the respective superimposed areas calculated is the greatest value. As the minimum of the lowest concentration in the histograms at the shift rate and the stretch ratio determined is specified to represent the location of the base concentration in the original histogram, the base concentration in each color component of the film can be calculated from the location of the base concentration in the histogram.
    • 检测膜的基底浓度的方法包括以下步骤:从RGB颜色成分中的每一个中的胶片图像生成浓度直方图,将其它颜色的直方图移动并以参考颜色的浓度轴向的直方图 计算拉伸处理后的两个颜色分量中的两个直方图之间的叠加区域,并且当计算的各个叠加区域的总和为最大值时,求出移动速率和拉伸比。 由于在移位速率下的直方图中最低浓度的最小值和确定的拉伸比指定为表示原始直方图中的基准浓度的位置,所以可以从该位置计算每个彩色成分中的基准浓度 的直方图中的碱浓度。
    • 3. 发明授权
    • Illumination optical system and image display apparatus
    • 照明光学系统和图像显示装置
    • US08810740B2
    • 2014-08-19
    • US13533196
    • 2012-06-26
    • Iori TaketsuKoji KitaTomoki OnoTetsuya Kita
    • Iori TaketsuKoji KitaTomoki OnoTetsuya Kita
    • G02F1/1335
    • G02B19/0057G02B19/0014G02B19/0047G02B27/0961H01S5/005H01S5/4012
    • An illumination optical system includes a two-dimensional laser-array light source including a plurality of laser light sources arranged in a two-dimensional array on a plane; an integrator optical system configured to superpose incident light and emit the light to an irradiated surface; a plurality of first lenses disposed parallel to the plane and configured to superpose beams from the two-dimensional laser-array light source in a first axis direction and emit the beams to the integrator optical system while limiting a divergence angle in the first axis direction of the two-dimensional array; and a plurality of second lenses disposed rearward of the first lenses and configured to superpose the beams from the two-dimensional laser-array light source in a second axis direction orthogonal to the first axis direction and emit the beams to the integrator optical system while limiting a divergence angle in the second axis direction.
    • 照明光学系统包括:二维激光阵列光源,包括以平面排列成二维阵列的多个激光光源; 积分器光学系统,被配置为叠加入射光并将光发射到被照射的表面; 多个第一透镜,与所述平面平行配置,并配置成在来自所述二维激光阵列光源的第一轴方向上叠加光束,并将所述光束发射到所述积分器光学系统,同时将所述第一轴方向的发散角限制在 二维阵列; 以及多个第二透镜,设置在所述第一透镜的后方,并且被配置为在与所述第一轴方向正交的第二轴方向上叠加来自所述二维激光阵列光源的光束,并将所述光束发射到所述积分器光学系统,同时限制 第二轴方向的发散角。
    • 5. 发明授权
    • Region detecting method and region detecting apparatus
    • 区域检测方法和区域检测装置
    • US07657090B2
    • 2010-02-02
    • US10853706
    • 2004-05-26
    • Shigeru OmatsuYasue MitsukuraMinoru FukumiKensuke MitsukuraKoji KitaKouichi Kugo
    • Shigeru OmatsuYasue MitsukuraMinoru FukumiKensuke MitsukuraKoji KitaKouichi Kugo
    • G06K9/34G01N33/48
    • G06K9/00234G06T7/11G06T7/136G06T2207/20012G06T2207/30201
    • To provide a region detecting method capable of setting a proper threshold independently of a photographing condition and moreover, quickly and accurately detecting a specific region, which uses an image data storing section 10 for storing a sample image 12 and a purposed image 11, a first computing means 1 for obtaining the extraction-region-identifying threshold data for a plurality of sample images including a common extraction region but having average color values different from each other in accordance with a genetic algorithm and generating a threshold table 8 for the average color values, a second computing means 2 for adaptively computing the extraction-region-identifying threshold data for the purposed image 11 in accordance with the average color value of the purposed image and the threshold table 8, and a third computing means 3 for detecting an extraction region in accordance with the threshold data computed by the second computing means 12.
    • 为了提供一种能够独立于拍摄条件设定适当阈值的区域检测方法,此外,使用图像数据存储部10存储样本图像12和图像11快速准确地检测特定区域,第一 计算装置1,用于根据遗传算法获得包括公共提取区域但具有彼此不同的平均颜色值的多个样本图像的提取区域识别阈值数据,并生成平均颜色值的阈值表8 ,第二计算装置2,用于根据目标图像的平均颜色值和阈值表8自适应地计算图像11的提取区域识别阈值数据;以及第三计算装置3,用于检测提取区域 根据由第二计算装置12计算的阈值数据。
    • 6. 发明授权
    • Conversion correcting method of color image data and photographic processing apparatus implementing the method
    • 实现该方法的彩色图像数据和摄影处理装置的转换校正方法
    • US07466857B2
    • 2008-12-16
    • US10687727
    • 2003-10-16
    • Noriyuki NishiKoji Kita
    • Noriyuki NishiKoji Kita
    • G06K9/00
    • H04N1/6027
    • An image processing method for correcting pixel values of each pixel constituting color image data by shifting, in a coordinate system, a mathematical correction function defining correction values for input values. The method includes the computer-implemented steps of: (1) determining a maximum value and a minimum value among correction values of respective color components obtained for each pixel by using said correction function and then calculating differences between the respective correction values of the respective color components and said minimum value and calculating also a difference between said maximum value and the minimum value; (2) dividing the calculated differences between the respective correction values of the respective color components and the minimum value by the calculated difference between the maximum value and the minimum value, thereby to obtain color ratios for the respective color components; (3) judging, as an inappropriate pixel, any pixel having a correction value overflowing from a predetermined maximum output gradation value and setting the overflowing correction value to the predetermined maximum output gradation value and judging also, as an inappropriate pixel, any pixel having a correction value underflowing from a predetermined minimum output gradation value and setting the underflowing correction value to the predetermined minimum output gradation value; and (4) effecting color balance adjustment so as to cause the correction values of the inappropriate pixel to agree with said respective color ratio thereof.
    • 一种用于通过在坐标系中移位定义用于输入值的校正值的数学校正函数来校正构成彩色图像数据的每个像素的像素值的图像处理方法。 该方法包括计算机执行的步骤:(1)通过使用所述校正函数确定为每个像素获得的各个颜色分量的校正值中的最大值和最小值,然后计算各个颜色的各个校正值之间的差异 分量和所述最小值,并且还计算所述最大值和最小值之间的差; (2)将计算出的各颜色成分的各个修正值与最小值的差分除以计算出的最大值与最小值之差,得到各颜色成分的色彩比; (3)将从预定的最大输出灰度值溢出的校正值的任何像素判定为预定的最大输出灰度值,并且将不正确的像素判定为具有 校正值从预定的最小输出灰度值向下溢出并将下溢校正值设定为预定的最小输出灰度值; 和(4)进行颜色平衡调整,以使得不适当像素的校正值与其各自的颜色比一致。
    • 9. 发明申请
    • Image processing method and program for restricting granular noise and module for implementing the method
    • 图像处理方法和程序,用于限制粒度噪声和模块的实现
    • US20060245002A1
    • 2006-11-02
    • US11409204
    • 2006-04-21
    • Koji Kita
    • Koji Kita
    • H04N1/409
    • H04N1/409G06T5/002G06T5/20G06T2207/10008G06T2207/20204
    • An image processing module restricts granular noise present in photographic image data obtained by digitization of an image by utilizing a weighted average filtering operation. The module comprises a target pixel setting section, a difference value calculation section, a weight coefficient determining section and a filtering operating section. The target pixel setting section sets one target pixel after another from a group of pixels together constituting the photographic image data. The difference value calculating section calculates a difference value between a pixel value of the target pixel and each peripheral pixel present within a calculating area centering about the target pixel and is used for the weighted average filtering operation. The weight coefficient determining section determines a weight coefficient for use in the weighted average filtering operation, in accordance with the difference value. The filtering operating section obtains a corrected pixel value for the target pixel by effecting the weighted average filtering operation with the weight coefficient.
    • 图像处理模块通过利用加权平均滤波操作来限制通过图像数字化获得的摄影图像数据中存在的粒状噪声。 该模块包括目标像素设置部分,差值计算部分,权重系数确定部分和过滤操作部分。 目标像素设置部分将来自构成摄影图像数据的一组像素的一个目标像素设置在一起。 差分值计算部分计算目标像素的像素值与存在于以目标像素为中心的计算区域内的每个周边像素之间的差值,并用于加权平均滤波操作。 权重系数确定部分根据差值确定加权平均滤波操作中使用的权重系数。 滤波操作部通过利用权重系数进行加权平均滤波操作来获得目标像素的校正像素值。
    • 10. 发明申请
    • Method of determining image correction and image processing apparatus using the method
    • 使用该方法确定图像校正和图像处理装置的方法
    • US20050141038A1
    • 2005-06-30
    • US11020047
    • 2004-12-21
    • Koji Kita
    • Koji Kita
    • G03B27/72G03F3/08G06F3/12G06K15/00G06T1/00G06T3/00H04N1/387H04N1/40H04N1/60
    • H04N1/00442H04N1/00167H04N1/00453H04N1/6011H04N1/6013
    • A method of determining image correction includes the steps of: obtaining image data representing a photographic frame image as source image data, effecting an image correction by a predetermined correction degree on the obtained source image data, thus generating corrected image data, displaying a correction reproduced image based on the corrected image data on a monitor, and fixedly determining a final correction degree for an image correction to be eventually effected on the source image data while monitoring the correction reproduced image. At the step for generating corrected image data, a plurality of corrected image data are generated by effecting the correction on the source image data with a plurality of differing correction degrees, and at the displaying step, a plurality of correction reproduced images based on selected ones from the plurality of corrected image data are displayed according to the order of correction degrees.
    • 一种确定图像校正的方法包括以下步骤:获取表示摄影帧图像的图像数据作为源图像数据,对获得的源图像数据进行预定校正度的图像校正,从而产生校正图像数据,再现显示校正 基于监视器上的校正图像数据的图像,并且在监视校正再现图像的同时,固定地确定最终对源图像数据实现的图像校正的最终校正度。 在生成校正图像数据的步骤中,通过对多个不同校正度的源图像数据进行校正来生成多个校正图像数据,并且在显示步骤中,基于所选择的多个校正再现图像 根据校正度的顺序显示来自多个校正图像数据的多个校正图像数据。