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    • 31. 发明授权
    • Method of determining an exposure for use in an image forming apparatus
    • 确定在图像形成装置中使用的曝光的方法
    • US5281995A
    • 1994-01-25
    • US735223
    • 1991-07-24
    • Takaaki TerashitaKeiko Yukawa
    • Takaaki TerashitaKeiko Yukawa
    • G03B27/73H04N1/60H04N5/235G03B27/00
    • H04N5/2351G03B27/735H04N1/6027
    • Utilizing fuzzy theory, the exposure is determined based on an exposure operational formula defined for each of a plurality of previously classified patterns of a color original image. The color original image is divided into a multiplicity of portions for photometric purposes and, for the resulting photometric data, a plurality of features are evaluated. Utilizing fuzzy theory, a coincidence factor with a judging condition for judging the magnitude of the feature value is evaluated for each of the feature values. A coincidence factor for the pattern is evaluated from those coincidence factors to determine a weight for the pattern. Using this weight, a weighted mean of the exposures which is determined from the exposure operational formula is calculated to obtain a specific exposure.
    • 利用模糊理论,基于为彩色原始图像的多个先前分类的图案中的每一个定义的曝光操作公式来确定曝光。 彩色原始图像被分成用于光度目的的多个部分,并且对于所得到的测光数据,评估多个特征。 利用模糊理论,针对每个特征值评估具有用于判断特征值的大小的判断条件的符合因子。 从这些符合因子评估图案的一致性因子,以确定图案的重量。 使用该权重,计算从曝光操作公式确定的曝光的加权平均值以获得特定曝光。
    • 34. 发明授权
    • Controlling method for a photographic system
    • 摄影系统的控制方法
    • US4884102A
    • 1989-11-28
    • US355105
    • 1989-05-18
    • Takaaki Terashita
    • Takaaki Terashita
    • G03B27/73
    • G03B27/735
    • The factors necessary for controlling photographic systems involve the photographic characteristics such as developing process characteristics which are subject to complicated interaction among various factors. Since it is difficult to measure and control such variable factor independently, situations involving such variations are preferably grasped comprehensively by a small number of criteria or values and controlled with a small number of values having high correlation with the variations. When gray image of an original film is photometrically measured at printing in three primary colors, the image densities in the colors are not uniform even with the same exposure and image density ratio is not uniform, either. This invention method enables optimum control of the photographic system by estimating the current photographic characteristics with the data up until the current spot, and further enables normalization of measured data at a high precision.
    • 控制摄影系统所必需的因素涉及摄影特征,例如在各种因素之间经历复杂的相互作用的显影工艺特性。 由于难以独立地测量和控制这些可变因子,因此优选地通过少量标准或数值来全面地掌握涉及这种变化的情况,并且以与变化高度相关的少量值进行控制。 当以三原色打印测量原始胶片的灰度图像时,即使相同的曝光和图像浓度比也不均匀,颜色中的图像浓度也不均匀。 本发明方法通过利用直到当前点的数据估计当前摄影特性,能够最佳地控制摄影系统,并且还能够高精度地对测量数据进行归一化。
    • 35. 发明授权
    • Photographic printing method
    • 照相印刷法
    • US4797713A
    • 1989-01-10
    • US81098
    • 1987-08-03
    • Takaaki TerashitaHideaki Iijima
    • Takaaki TerashitaHideaki Iijima
    • G03B27/32G03B27/46G03B27/73G03B27/80G03D15/00
    • G03B27/462G03B27/735G03D15/003
    • When a number of prints of an image frame are made at a time or different times for the multiple printing, test printing, or re-printing thereof, it is needed to have them printed under the same condition and mode. However, it has been difficult to produce them without a deviation or variation of densities even when the same selected image frame is printed, because the photometric measurement of the image frame has been made conventionally before each time of printing for the operation and determination thereby of an exposure amount under which the printing is made, and because such photometric measurement at each time of printing gives an exposure amount which is slightly different at each time. In this invention, photometric data of a specific image frame which has been printed once are memorized, and when the specific image frame is to be printed once again, the frame is printed always at an entirely constant density on the basis of the data memorized and read-out at each succeeding printing.
    • 当对于多次打印,测试打印或重新打印时,一次或多次进行图像帧的打印时,需要在相同的条件和模式下打印它们。 然而,即使在打印相同的所选图像帧时也难以产生它们,即使在相同的选择的图像帧被打印的情况下,由于图像帧的光度测量已经在每次打印的操作之前已经进行,因此确定 进行印刷的曝光量,并且由于在每次打印时的这种光度测量都给出每次稍微不同的曝光量。 在本发明中,存储已经打印过的特定图像帧的测光数据,并且当要再次打印特定图像帧时,基于所存储的数据总是以完全恒定的密度打印该帧, 在每次后续打印时读取。
    • 36. 发明授权
    • Photographic printer
    • 摄影打印机
    • US4707119A
    • 1987-11-17
    • US937471
    • 1986-12-02
    • Takaaki Terashita
    • Takaaki Terashita
    • G03B27/72G03B27/73G03B27/80
    • G03B27/80
    • The exposure in color printers has heretofore been determined generally by LATD, but the quality of resulting prints is not always satisfactory. There have been proposed various improvements by making an operator visually inspect a negative film at a former stage of LATD measurement so as to correct the data from LATD or by scanning a frame of film for automatic judgement. They, however, are not quite satisfactory in quality, either. This invention printer allows unskilled operators to attain a high acceptance rate in printing due to the effect by an automatic judgement section as well as enables skilled operators to achieve printing at higher quality and higher acceptance rate.
    • 迄今为止,彩色打印机的曝光一般由LATD确定,但是所得到的印刷品的质量并不总是令人满意的。 已经提出了各种改进,通过使操作者在LATD测量的前一个阶段目视检查负片,以便校正来自LATD的数据或通过扫描胶片框以进行自动判断。 不过,他们的素质也不尽如人意。 本发明的打印机允许不熟练的操作者由于自动判断部分的影响而在打印中获得高的接受率,并且使熟练的操作者能够以更高的质量和更高的接受率实现打印。
    • 37. 发明授权
    • Method of detecting principal subject image and determining exposures in
color printing
    • 检测主要影像并确定彩色打印曝光的方法
    • US4668082A
    • 1987-05-26
    • US857628
    • 1986-04-30
    • Takaaki TerashitaTakao Shigaki
    • Takaaki TerashitaTakao Shigaki
    • G03B27/73G03B27/80G03B27/32
    • G03B27/735
    • Color densities of a color original are measured for a number of picture elements into which the color original is divided. A part of the color original that includes at least one picture element is selected, with whose measured color densities the measured color densities of each picture element are compared to detect picture elements of color densities having a certain relation to the color densities of the selected part of the color original. The picture elements of sufficiently similar color densities can define an extent of image which determines a principal subject image and the remainder of which is background. For the individual image, at least one characteristic value peculiar to the image is then calculated by utilizing the measured color densities of picture elements, and on the basis of the characteristic values the scene of the original is classified to select one of a plurality of previously provided exposure calculating formulas in order to determine the proper exposure for obtaining color prints of proper color balance and density.
    • 对于彩色原稿被分割成的多个图像元素,测量颜色原稿的颜色浓度。 选择包括至少一个图像元素的彩色原稿的一部分,将其测量的颜色浓度与每个图像元素的测量颜色密度进行比较,以检测与所选择的部分的颜色密度具有一定关系的色浓度的图像元素 的原色。 具有足够相似颜色密度的图像元素可以限定确定主要被摄体图像并且其余部分是背景的图像的程度。 对于个体图像,然后通过利用所测量的图像元素的颜色密度来计算图像特有的至少一个特征值,并且基于特征值,原始场景被分类以选择之前的多个 提供曝光计算公式,以确定适当的曝光以获得适当的色彩平衡和密度的彩色照片。
    • 38. 发明授权
    • Image processing method and apparatus
    • 图像处理方法和装置
    • US06952223B2
    • 2005-10-04
    • US09241153
    • 1999-02-01
    • Takaaki Terashita
    • Takaaki Terashita
    • H04N5/225H04N1/32H04N1/60H04N5/91H04N9/64H04N5/228
    • H04N1/6086H04N1/32101H04N1/32122H04N1/32128H04N2201/3205H04N2201/3242H04N2201/3276H04N2201/3278
    • In an image processing method for carrying out image processing on digital image signals, which have been acquired with digital cameras, image processing is carried out on the digital image signals and under different image processing conditions in accordance with kinds of the digital cameras. The image processing is thereby carried out such that reproduced images having good image quality may be obtained regardless of the kinds of the digital cameras. An apparatus for carrying out the image processing method comprises an input device for inputting pieces of information, which represent kinds of the digital cameras, and an image processing unit for carrying out image processing on the digital image signals and under different image processing conditions in accordance with the kinds of the digital cameras, which are represented by the pieces of information inputted from the input device.
    • 在用数字照相机获取的对数字图像信号进行图像处理的图像处理方法中,根据数字照相机的种类,对数字图像信号和不同的图像处理条件进行图像处理。 由此执行图像处理,使得可以获得具有良好图像质量的再现图像,而不管数字照相机的种类如何。 用于执行图像处理方法的装置包括:输入装置,用于输入表示数字照相机的种类的信息;以及图像处理单元,用于对数字图像信号进行图像处理,并根据不同的图像处理条件进行图像处理 使用由从输入装置输入的信息表示的数码相机的种类。
    • 39. 发明授权
    • Image processing method and image processing apparatus
    • 图像处理方法和图像处理装置
    • US06919924B1
    • 2005-07-19
    • US09263842
    • 1999-03-08
    • Takaaki Terashita
    • Takaaki Terashita
    • H04N5/91H04N1/407H04N1/60H04N9/73H04N9/79
    • H04N1/6027
    • An image processing method for creating a reproduced image by executing image processing on digital image data obtained by a digital camera. This method determines first a density conversion condition for the digital image, determines next a gradation conversion condition for the image on the basis of the density conversion condition, modifies the digital image on the basis of at least one of the density and the gradation conversion conditions, and thus creates the reproduced image. The method may initially separate the digital image data into density component data and color component data, determine the density and gradation conversion conditions by using the density component data instead of the digital image data, modify the density component data in accordance with the density and gradation conversion conditions and synthesize the modified density component data with the color component data.
    • 一种用于通过对由数字照相机获得的数字图像数据执行图像处理来创建再现图像的图像处理方法。 该方法首先确定数字图像的浓度转换条件,然后基于密度转换条件确定图像的灰度转换条件,基于浓度和灰度转换条件中的至少一个来修改数字图像 ,从而创建再现的图像。 该方法可以最初将数字图像数据分离成密度分量数据和颜色分量数据,通过使用密度分量数据代替数字图像数据来确定密度和灰度转换条件,根据密度和灰度修改密度分量数据 转换条件,并用颜色分量数据合成经修改的密度分量数据。
    • 40. 发明授权
    • Reproducing machine and a method of determining reproducing conditions
    • 再现机器和确定再现条件的方法
    • US5995194A
    • 1999-11-30
    • US998191
    • 1997-12-24
    • Takaaki Terashita
    • Takaaki Terashita
    • G03B27/46G03B27/62G03B27/72G03B27/73H04N1/60G03B27/52
    • H04N1/6094G03B27/6285G03B27/735H04N1/6077G03B2206/004G03B2217/244
    • By the present invention, on the basis of information read from a magnetic recording section of a negative film (Step 200), when it is judged that there are a plurality of negative images to be exposed by the same exposure amount (the judgment in Step 212 is affirmative), a film type is identified to determine the film base density thereof, and a predetermined reference density value is added to the film base density so as to obtain a density control amount which controls the density of a print image (Steps 216 through 220). Thereafter, a color balance mean value of a large number of negative images of the same type is detected and a weighted mean value of a color balance mean value among a plurality of negative images to be exposed and the detected color balance value to obtain a color control amount (Step 222). Then, a common exposure amount is computed from the thus obtained density control amount and the color control amount (Step 224) for exposing the negative images to be exposed by the same exposure amount onto a printing paper by the common exposure amount (Step 278).
    • 通过本发明,基于从负片的磁记录部读取的信息(步骤200),当判断为以相同曝光量存在多个要曝光的负像时(步骤中的判断 212是肯定的),确定胶片类型以确定其胶片基底密度,并且将预定的参考浓度值加到胶片基底密度上,以获得控制打印图像浓度的浓度控制量(步骤216 通过220)。 此后,检测相同类型的大量负图像的颜色平衡平均值,并且在要曝光的多个负图像中的颜色平衡平均值的加权平均值和检测到的颜色平衡值以获得颜色 控制量(步骤222)。 然后,根据这样获得的浓度控制量和颜色控制量(步骤224),通过相同曝光量将曝光量相同的曝光量的曝光量曝光到打印纸上,计算公共曝光量(步骤278) 。