公开(公告)号：US09992375B2

公开(公告)日：2018-06-05

申请号：US15415067

申请日：2017-01-25

Applicant: Panasonic Intellectual Property Management Co., Ltd.

Inventor： Ryo Matsubara ,  Hirotsugu Fusayasu ,  Katsuo Inokuchi ,  Tatsuya Hirota ,  Yuuichi Tutiya

IPC: H04N1/00 ,  H04N1/028 ,  H04N1/12 ,  H04N1/19 ,  H04N1/191 ,  H04N1/193 ,  H04N1/031 ,  H04N1/40 ,  H04N1/401 ,  H04N1/407

CPC classification number: H04N1/401 ,  H04N1/00005 ,  H04N1/00013 ,  H04N1/00018 ,  H04N1/00034 ,  H04N1/00039 ,  H04N1/00045 ,  H04N1/00053 ,  H04N1/00063 ,  H04N1/00068 ,  H04N1/00082 ,  H04N1/00087 ,  H04N1/02815 ,  H04N1/031 ,  H04N1/0311 ,  H04N1/0318 ,  H04N1/12 ,  H04N1/125 ,  H04N1/19 ,  H04N1/191 ,  H04N1/193 ,  H04N1/40006 ,  H04N1/40056 ,  H04N1/4076 ,  H04N2201/0081

Abstract: An image reading device includes: a sensor module having a light source and a plurality of sensors; a white reference plate; and an image processor that generates correction data to be used for shading correction and performs the shading correction on image signals, using the correction data. The light source is configured to switch between at least a first luminous intensity and a second luminous intensity lower than the first luminous intensity. The image processor acquires intermediate data by causing the plurality of sensors to acquire an image signal of the white reference plate illuminated with the second luminous intensity, generates black correction data, based on the intermediate data, and performs the shading correction, using the black correction data, so that a density unevenness, in an image, caused by interference between image signals from the plurality of sensors.

公开(公告)号：US09894249B2

公开(公告)日：2018-02-13

申请号：US15094773

申请日：2016-04-08

Applicant: CANON KABUSHIKI KAISHA

Inventor： Yasuhiko Hashimoto ,  Kevin F Piazza

IPC: G06F15/00 ,  H04N1/60 ,  B41J29/38 ,  G06K15/02 ,  H04N1/40 ,  G06F3/12 ,  G06K15/16 ,  G06K15/00

CPC classification number: H04N1/605 ,  B41J29/38 ,  G06F3/1203 ,  G06F3/1229 ,  G06F3/1288 ,  G06K15/027 ,  G06K15/16 ,  G06K15/4015 ,  H04N1/40006 ,  H04N1/6033 ,  H04N1/6094

Abstract: A control system for controlling execution of calibration on a printing apparatus includes an acquiring unit configured to acquire, from a printing apparatus to be controlled, first sheet type information representing information regarding a common calibration sheet type used when the most recent common calibration is executed, where a result of common calibration executed using the common calibration sheet type is applied to other sheet types, a determination unit configured to determine whether the state of the printing apparatus for the first sheet type satisfies a predetermined condition in accordance with a print volume of the printing apparatus, and a control unit configured to cause the printing apparatus to execute calibration using the first sheet type if the determination unit determines that the predetermined condition for the first sheet type is satisfied.

公开(公告)号：US09871951B2

公开(公告)日：2018-01-16

申请号：US14812645

申请日：2015-07-29

Applicant: Konica Minolta, Inc.

Inventor： Toshiki Tsukano

IPC: H04N1/60 ,  H04N1/00 ,  G06K15/02 ,  H04N1/40

CPC classification number: H04N1/60 ,  G06K15/027 ,  G06K15/1878 ,  H04N1/00015 ,  H04N1/00023 ,  H04N1/00034 ,  H04N1/00045 ,  H04N1/0005 ,  H04N1/00055 ,  H04N1/00063 ,  H04N1/00068 ,  H04N1/00087 ,  H04N1/40006 ,  H04N1/603 ,  H04N1/6033 ,  H04N1/6036 ,  H04N1/6047 ,  H04N2201/0094

Abstract: Provided are a print control apparatus and a non-transitory computer-readable storage medium storing a color calibration control program. A print control apparatus includes an information storage processing section which stores measured color values into a database which stores history information of color measurement, where the measured color values are obtained by measuring colors in a color chart by using a printing device. The print control apparatus further includes a color defining section which defines a specific color by referring to the database, and a color calibration controlling section which, while the printing device is processing a print job, causes the printing device to measure the specific color, determines whether to calibrate the printing device on the basis of a change with time in the measured color value of the specific color, and calibrates the printing device according to the determination result.

公开(公告)号：US20160248932A1

公开(公告)日：2016-08-25

申请号：US15049797

申请日：2016-02-22

Applicant: KYOCERA Document Solutions Inc.

Inventor： Yasuyuki HORIGUCHI

IPC: H04N1/04 ,  H04N1/48

CPC classification number: H04N1/0408 ,  H04N1/00013 ,  H04N1/00023 ,  H04N1/00034 ,  H04N1/0009 ,  H04N1/00814 ,  H04N1/40006 ,  H04N1/401 ,  H04N1/46 ,  H04N1/484 ,  H04N1/6041 ,  H04N2201/0081

Abstract: An image reading apparatus includes a reading circuit, a white reference member, a control circuit, a memory circuit, and a processing circuit. The control circuit controls the reading circuit to: cause a light source to irradiate the white reference member with lights of a plurality of colors and cause a light receiving unit to receive the reflected lights. The processing circuit performs a process to identify abnormal data included in white reference data stored in the memory circuit. The processing circuit identifies information on the abnormal data in a light of an abnormal-data detected color among the plurality of colors. The processing circuit identifies the abnormal data in lights of other colors excluding the abnormal-data detected color among the plurality of colors based on the information on the abnormal data. The information is identified for the light of the abnormal-data detected color.

Abstract translation: 图像读取装置包括读取电路，白色基准部件，控制电路，存储器电路和处理电路。 控制电路控制读取电路：使光源用多种颜色的光照射白色基准元件，并使光接收单元接收反射光。 处理电路执行识别存储在存储电路中的白参考数据中包含的异常数据的处理。 处理电路根据多种颜色中的异常数据检测颜色的光来识别关于异常数据的信息。 处理电路基于异常数据的信息来识别除了多种颜色中的异常数据检测颜色之外的其他颜色的光的异常数据。 根据异常数据检测到的颜色，识别信息。

公开(公告)号：US08760724B2

公开(公告)日：2014-06-24

申请号：US12875718

申请日：2010-09-03

Applicant: Satoshi Kaneko ,  Shuji Hirai

Inventor： Satoshi Kaneko ,  Shuji Hirai

IPC: H04N1/40 ,  G06K15/00 ,  G03G15/00

CPC classification number: H04N1/4078 ,  H04N1/40006 ,  H04N1/405

Abstract: There is provided an image forming apparatus that performs gradation correction, including a pattern forming unit that forms, on an image carrier, rows of area coverage modulation patterns having patterns of different gradation values in steps by area coverage modulation method; a toner adhering amount detecting unit that measures toner adhering amount of each pattern of the rows of area coverage modulation patterns formed by the pattern forming unit, the gradation correction being performed based on a detection result of the toner adhering amount detecting unit; and a pattern type selecting unit that selects a single pattern type formed on the image carrier from a plurality of pattern types, when carrying out gradation correction control by forming the rows of the area coverage modulation.

Abstract translation: 提供了一种执行灰度校正的图像形成装置，包括：图像形成单元，其在图像载体上形成具有逐层覆盖调制方法的具有不同灰度值的图案的区域覆盖调制图案行; 调色剂粘附量检测单元，其测量由图案形成单元形成的区域覆盖调制图案的行的每个图案的调色剂附着量，基于调色剂粘附量检测单元的检测结果进行灰度校正; 以及图案类型选择单元，当通过形成区域覆盖调制的行来执行灰度校正控制时，从多个图案类型中选择形成在图像载体上的单个图案类型。

公开(公告)号：US08717627B2

公开(公告)日：2014-05-06

申请号：US13062668

申请日：2009-09-08

Applicant: Mark Samworth

Inventor： Mark Samworth

IPC: H04N1/40

CPC classification number: H04N1/407 ,  H04N1/40006

Abstract: A method for adjusting color tones of an input digital image file to create an adjusted digital image file. A plurality of predetermined curves are provided, each curve specifying an adjusted color tone percentage output as a function of input color tone percentage and representing a combination of midpoint magnitude and contrast different than for any other curve. The method comprises selecting a curve by determining which one of the plurality of curves most closely matches at least two data points. The selected curve is then applied to the input digital image file to produce the adjusted digital image file.

Abstract translation: 一种用于调整输入数字图像文件的色调以创建经调整的数字图像文件的方法。 提供多个预定曲线，每个曲线指定作为输入色调百分比的函数的调节色调百分比输出，并且表示与任何其它曲线不同的中点幅度和对比度的组合。 该方法包括通过确定多个曲线中的哪个曲线与至少两个数据点最紧密匹配来选择曲线。 然后将所选曲线应用于输入数字图像文件以产生经调整的数字图像文件。

公开(公告)号：US08515299B2

公开(公告)日：2013-08-20

申请号：US12745639

申请日：2009-07-23

Applicant: Takaaki Kooriya ,  Kimio Nishizawa ,  Katsuya Toyofuku

Inventor： Takaaki Kooriya ,  Kimio Nishizawa ,  Katsuya Toyofuku

IPC: G03G15/00

CPC classification number: H04N1/00002 ,  G03G15/0136 ,  G03G15/5058 ,  G03G2215/00059 ,  G03G2215/00063 ,  H04N1/00015 ,  H04N1/00023 ,  H04N1/00031 ,  H04N1/00045 ,  H04N1/0005 ,  H04N1/00053 ,  H04N1/00063 ,  H04N1/00087 ,  H04N1/0009 ,  H04N1/2346 ,  H04N1/295 ,  H04N1/40006 ,  H04N1/4076

Abstract: An image forming apparatus may include an image carrier for carrying a toner image and a correcting toner image, a detection sensor for detecting density information of the correcting toner image; and a controller for causing the image forming unit to correct an image forming condition based on the density information detected by the detection unit to execute a stabilization control. The image forming unit may form a plurality of correcting toner images different in density over plural non-image areas. The controller may determine which mode is set between a processing speed priority mode and an image quality priority mode. The image forming unit may continuously form correcting toner images on the image carrier in a different manner depending on the mode. The detection sensor may detect density information of the correcting toner images. The image forming unit may finish a processing operation in the stabilization control under execution.

Abstract translation: 图像形成装置可以包括用于承载调色剂图像和校正调色剂图像的图像载体，用于检测校正调色剂图像的浓度信息的检测传感器; 以及控制器，用于使图像形成单元基于由检测单元检测到的浓度信息来校正图像形成条件，以执行稳定控制。 图像形成单元可以在多个非图像区域上形成不同密度的多个校正调色剂图像。 控制器可以确定在处理速度优先模式和图像质量优先模式之间设置哪种模式。 图像形成单元可以根据模式以不同的方式连续地在图像载体上形成校正调色剂图像。 检测传感器可以检测校正调色剂图像的浓度信息。 图像形成单元可以在执行中的稳定控制中完成处理操作。

公开(公告)号：US20120257223A1

公开(公告)日：2012-10-11

申请号：US13327865

申请日：2011-12-16

Applicant: YU-CHU HUANG ,  YI-CHE CHEN ,  KING-LUNG HUANG

Inventor： YU-CHU HUANG ,  YI-CHE CHEN ,  KING-LUNG HUANG

IPC: G06K15/02

CPC classification number: H04N1/00045 ,  B41J2/2135 ,  H04N1/00015 ,  H04N1/00031 ,  H04N1/00053 ,  H04N1/00063 ,  H04N1/00087 ,  H04N1/40 ,  H04N1/40006 ,  H04N2201/0094

Abstract: A multi-function printer and a method for calibrating the multi-function printer is disclosed The calibrating method for a printer comprises printing a calibration pattern on a medium by the printer; obtaining a scanned image of the calibration pattern on the medium printed by the printer; comparing the scanned image against the calibration pattern; detecting defects of the scanned image; and if the defects exceed an pre-determined value, adjusting print settings of the printer according to the defects of the scanned image.

Abstract translation: 公开了一种用于校准多功能打印机的多功能打印机和方法。打印机的校准方法包括：通过打印机在介质上打印校准图案; 在由打印机打印的介质上获得校准图案的扫描图像; 将扫描图像与校准图案进行比较; 检测扫描图像的缺陷; 并且如果缺陷超过预定值，则根据扫描图像的缺陷来调整打印机的打印设置。

公开(公告)号：US08274706B2

公开(公告)日：2012-09-25

申请号：US12355450

申请日：2009-01-16

Applicant: Vishal Monga ,  Shen-ge Wang

Inventor： Vishal Monga ,  Shen-ge Wang

IPC: G06K15/00

CPC classification number: H04N1/4078 ,  H04N1/40006

Abstract: Systems and methods are described for halftone independent temporal color drift correction, particularly for correction in hi-addressability xerographic printers. For example, a method includes printing target patches, including two resolutions, measuring printer response from the target patches, and modeling the printer using a transformation to define a correction factor, and a predicted response.

Abstract translation: 描述了与半色调无关的时间色彩漂移校正的系统和方法，特别是用于高可寻址性静电印刷机中的校正。 例如，一种方法包括打印目标补丁，包括两个分辨率，测量来自目标补丁的打印机响应，以及使用转换建模打印机以定义校正因子以及预测响应。

公开(公告)号：US08150653B2

公开(公告)日：2012-04-03

申请号：US12541702

申请日：2009-08-14

Applicant: Aaron Michael Burry ,  Eric Michael Gross ,  Palghat Ramesh ,  Robert E. Rosdahl, Jr.

Inventor： Aaron Michael Burry ,  Eric Michael Gross ,  Palghat Ramesh ,  Robert E. Rosdahl, Jr.

IPC: G06F17/18 ,  G01J3/46

CPC classification number: H04N1/407 ,  G03G15/5062 ,  G03G2215/00067 ,  H04N1/00015 ,  H04N1/00031 ,  H04N1/00063 ,  H04N1/00087 ,  H04N1/40006 ,  H04N2201/0082

Abstract: A method of normalizing sensor readings includes receiving a reading from a sensor configured to detect light reflected from a substrate; and normalizing the sensor reading based on a function of sensed mass level on the substrate. A processor for implementing the method is also provided.

Abstract translation: 对传感器读数进行归一化的方法包括从被配置为检测从基板反射的光的传感器接收读数; 以及基于所述基板上检测到的质量水平的函数来对所述传感器读数进行归一化。 还提供了一种用于实现该方法的处理器。