公开(公告)号：US08422064B2

公开(公告)日：2013-04-16

申请号：US13175593

申请日：2011-07-01

Applicant: Koji Yasuzaki

Inventor： Koji Yasuzaki

IPC: G06F3/12 ,  H04N1/04

CPC classification number: H04N1/047 ,  H04N1/00904 ,  H04N1/00912 ,  H04N1/00928 ,  H04N1/1013 ,  H04N1/193 ,  H04N2201/044

Abstract: An image-reading apparatus and method for controlling the image-reading apparatus including a document plate where an original document is placed, a line image sensor that reads an image on the document plate by scanning to obtain image data, a reference-setting image that is placed outside a region of the document plate at a position where the line image sensor is able to read the reference-setting image, and a control unit configured to set a reference position when the image sensor reads the image, wherein the control unit detects the reference-setting image from the image data and, depending on a power-on state of the image-reading apparatus, selects the manner in which the reference position is set based on the reference-setting image.

Abstract translation: 一种图像读取装置和方法，用于控制图像读取装置，包括放置原始文件的原稿板，通过扫描读取文件板上的图像以获得图像数据的线形图像传感器;基准设定图像， 放置在文件板的区域的外侧，在线图像传感器能够读取基准设定图像的位置，以及控制单元，被配置为在图像传感器读取图像时设定基准位置，其中，控制单元检测 来自图像数据的参考设定图像，并且根据图像读取装置的通电状态，基于参考设定图像选择设定基准位置的方式。

公开(公告)号：US08411329B2

公开(公告)日：2013-04-02

申请号：US12542854

申请日：2009-08-18

Applicant: Martin Edward Hoover

Inventor： Martin Edward Hoover

IPC: H04N1/00 ,  H04N1/04 ,  H04N1/46

CPC classification number: H04N1/00002 ,  H04N1/00039 ,  H04N1/00045 ,  H04N1/00053 ,  H04N1/00084 ,  H04N1/1013 ,  H04N2201/044 ,  H04N2201/0458

Abstract: A method for automatically measuring image quality using a dual optical path image scanner an image production device is disclosed. The method may include receiving a signal to measure image quality, moving a flip-mirror into an optical path of the image scanner, initiating scanning and printing of a test image for measuring image quality, outputting the test image, and measuring image quality based on the output test image.

Abstract translation: 公开了一种使用双光路图像扫描仪自动测量图像质量的方法。 该方法可以包括接收信号以测量图像质量，将翻转镜移动到图像扫描器的光路中，启动用于测量图像质量的测试图像的扫描和打印，输出测试图像，以及基于 输出测试图像。

公开(公告)号：US20130010338A1

公开(公告)日：2013-01-10

申请号：US13638335

申请日：2011-03-24

Applicant: Satoshi Tanaka ,  Yoshihiko Minagawa ,  Hideaki Inoue ,  Junya Ozawa ,  Yoshihiro Hanagata ,  Hotaka Ishimaru

Inventor： Satoshi Tanaka ,  Yoshihiko Minagawa ,  Hideaki Inoue ,  Junya Ozawa ,  Yoshihiro Hanagata ,  Hotaka Ishimaru

IPC: H04N1/04

CPC classification number: H04N1/00795 ,  H04N1/00806 ,  H04N1/02845 ,  H04N1/0285 ,  H04N1/0303 ,  H04N1/0305 ,  H04N1/1017 ,  H04N1/193 ,  H04N1/401 ,  H04N1/48 ,  H04N2201/044

Abstract: In the present invention, to provide an image reading apparatus capable to read images of document images having different gloss levels with a reproducibility suitable for uses, a data processing means is provided to irradiate a document image with light from a regular reflection light source and a diffuse reflection light source, and to generate image data based on a regular reflection output value and a diffuse reflection output value obtained from a photoelectric converting means, this data processing means obtaining gloss pixel data by comparing, based on the regular reflection correction value for shading correction of a regular reflection output value, a diffuse correction output value for shading correction of the diffuse reflection output value, and a determining threshold for determining whether or not the regular reflection output value is a gloss pixel, the corrected output value corrected by the regular reflection correction value with the determining threshold, and obtaining a non-gloss pixel data from a corrected output value corrected by the diffuse correction value.

Abstract translation: 在本发明中，为了提供能够以适合使用的再现性来读取具有不同光泽度的文件图像的图像的图像读取装置，提供数据处理装置，用来对来自正反射光源和 漫反射光源，并且基于从光电转换装置获得的常规反射输出值和漫反射输出值产生图像数据，该数据处理装置通过基于阴影的常规反射校正值进行比较来获得光泽像素数据 正反射输出值的校正，漫反射输出值的阴影校正的漫反射校正输出值以及用于确定正反射输出值是否为光泽像素的确定阈值，校正后的输出值由正常反射输出值校正 具有确定阈值的反射校正值，并获得 从由漫射校正值校正的校正输出值中输入非光泽像素数据。

公开(公告)号：US20120281260A1

公开(公告)日：2012-11-08

申请号：US13551646

申请日：2012-07-18

Applicant: Takahiro IKENO ,  Yoichi SUSAKI

Inventor： Takahiro IKENO ,  Yoichi SUSAKI

IPC: H04N1/04

CPC classification number: H04N1/00997 ,  H04N1/00615 ,  H04N1/0313 ,  H04N1/0464 ,  H04N1/1017 ,  H04N1/1061 ,  H04N1/12 ,  H04N1/123 ,  H04N1/193 ,  H04N1/4076 ,  H04N2201/0081 ,  H04N2201/0094 ,  H04N2201/0422 ,  H04N2201/044

Abstract: An image scanner includes a transparent plate, a scanning device, a driving device, a positioning member, a light absorbing portion and a white reference portion. The transparent plate has an original placing surface. The scanning device irradiates an original with light by means of a light source and scans reflected light from the original. The driving device reciprocates the scanning device along the transparent plate. The positioning member positions the original placed on the original placing surface of the transparent plate. The light absorbing portion, which is disposed on the original placing surface side of the positioning member and at substantially a central portion of the positioning member in moving directions of the scanning device, absorbs ambient light entering to the original placing surface side of the positioning member through the transparent plate. The white reference portion is provided to the original placing surface side of the positioning member.

Abstract translation: 图像扫描器包括透明板，扫描装置，驱动装置，定位构件，光吸收部分和白色基准部分。 透明板具有原始放置面。 扫描装置利用光源照射原稿并扫描来自原稿的反射光。 驱动装置沿着透明板往复移动扫描装置。 定位构件使放置在透明板的原始放置表面上的原稿定位。 设置在定位构件的原始放置面侧的光吸收部和位于扫描装置的移动方向上的定位构件的大致中央部的吸光部吸收进入定位构件的原始放置面侧的环境光 通过透明板。 白色基准部分设置在定位部件的原始放置面侧。

公开(公告)号：US08159726B2

公开(公告)日：2012-04-17

申请号：US11715945

申请日：2007-03-09

Applicant: Osamu Inage

Inventor： Osamu Inage

IPC: H04N1/23

CPC classification number: H04N1/486 ,  H04N1/401 ,  H04N2201/044 ,  H04N2201/0454 ,  H04N2201/0466

Abstract: An image processor includes a reading unit that moves a scanning optical system toward a reference white sheet to read the reference white sheet from a direction along which the scanning optical system returns to the carried document reading glass before reading one sheet of a document mounted on a carried document reading glass by an automatic document feeding unit in a sheet document reading mode of forming an image of the document carried by the automatic document feeding unit by an image sensor through the scanning optical system facing the carried document reading glass.

Abstract translation: 图像处理器包括读取单元，该读取单元将扫描光学系统朝向参考白色纸张移动，以便在读取安装在基准白色纸张上的一张原稿之前从扫描光学系统返回到携带的文档读数玻璃板的方向读取参考白色纸张 通过自动文件进给单元，通过面向所携带的文件读数玻璃的扫描光学系统，通过图像传感器形成由自动文件馈送单元携带的原稿的图像的纸张文档读取模式的自动送稿装置。

公开(公告)号：US20120044515A1

公开(公告)日：2012-02-23

申请号：US13188339

申请日：2011-07-21

Applicant: Yoshiharu Ikegawa

Inventor： Yoshiharu Ikegawa

IPC: G06F3/12

CPC classification number: H04N1/4097 ,  H04N1/00013 ,  H04N1/00018 ,  H04N1/00037 ,  H04N1/00045 ,  H04N1/0005 ,  H04N1/00063 ,  H04N1/00084 ,  H04N2201/044

Abstract: In an image reading apparatus, based on image data obtained by reading a white image, detection is performed of an abnormal pixel based on a foreign substance adhering to a reading position of an original and data indicating a position of the abnormal pixel is outputted, then image data obtained by reading an original is corrected based on that data, and detection of the abnormal pixel is carried out immediately prior to reading of a first original, and a correction process based on data indicating a position of the abnormal pixel is carried out on image data obtained by reading a second original following on from the first original.

Abstract translation: 在图像读取装置中，基于通过读取白色图像获得的图像数据，基于附着于原稿的读取位置的异物进行异常像素的检测，并且输出表示异常像素的位置的数据，然后 基于该数据校正通过读取原稿获得的图像数据，并且在读取第一原稿之前立即执行异常像素的检测，并且基于表示异常像素的位置的数据进行校正处理 通过从第一原稿读取随后的第二原稿获得的图像数据。

公开(公告)号：US20120013958A1

公开(公告)日：2012-01-19

申请号：US13260144

申请日：2010-03-23

Applicant: Youhei Kattou ,  Shigemichi Hamano ,  Nobuo Sekiguchi ,  Kenji Morita ,  Akiko Kanno ,  Satoshi Seki ,  Akira Morisawa

Inventor： Youhei Kattou ,  Shigemichi Hamano ,  Nobuo Sekiguchi ,  Kenji Morita ,  Akiko Kanno ,  Satoshi Seki ,  Akira Morisawa

IPC: H04N1/04

CPC classification number: H04N1/1013 ,  G03B27/50 ,  H04N1/121 ,  H04N2201/044 ,  H04N2201/04755 ,  H04N2201/04791

Abstract: A document reading apparatus includes a document positioning plate configured to position a document, a carriage configured to move a light source along the document positioning plate, a reading unit configured to read an image of a document illuminated by a light source of the carriage, a white reference member provided in the displacement range of the carriage, an input unit configured to input a reading start instruction for a document, and a control unit configured to move the carriage along the document positioning plate in response to a reading start instruction input via the input unit. The control unit moves the carriage to a first position at which the white reference member is provided, cause the reading unit to read the white reference member, moves the carriage to a second position that is an acceleration start position for accelerating toward the reading start position of the document positioning plate, and waits for a reading start instruction input from the input unit.

Abstract translation: 文件读取装置包括被配置为定位文件的原稿定位板，被构造成沿着原稿定位板移动光源的托架，被配置为读取由托架的光源照射的文件的图像的读取单元， 设置在滑架的位移范围内的白色参考构件，被配置为输入文档的读取开始指令的输入单元和被配置为响应于通过文档定位板输入的读取开始指令而沿着文档定位板移动托架的控制单元 输入单元 控制单元将滑架移动到设置白色基准构件的第一位置，使读取单元读取白色基准构件，将滑架移动到作为加速开始位置的第二位置，以朝向读取开始位置加速 并等待从输入单元输入的读取开始指令。

公开(公告)号：US08094345B2

公开(公告)日：2012-01-10

申请号：US11786548

申请日：2007-04-12

Applicant: Yusuke Hashizume

Inventor： Yusuke Hashizume

IPC: H04N1/40 ,  H04N1/04

CPC classification number: H04N1/401 ,  H04N1/0464 ,  H04N1/1013 ,  H04N1/12 ,  H04N1/193 ,  H04N2201/044

Abstract: An image forming apparatus to generate image data from an original document and to form an image includes a photoelectric conversion unit to sequentially convert an image of the original document scanned in a sub-scanning direction into image signals made of a plurality of pixels constituting one line in a main scanning direction, a white reference plate which is white reference for the image signals, a white reference signal generation unit to generate a white reference signal from image signals obtained by photoelectric converting an image for a given number of lines from a given read start position of the white reference plate in the sub-scanning direction by the photoelectric conversion unit, a shading correction unit to correct the image signals of the original document image photoelectric converted by the photoelectric conversion unit based on the white reference signal, and a read start position acquisition unit to calculate and acquire the read start position on the white reference plate, and the read start position acquisition unit includes a start position calculation unit to detect a portion of the white reference plate where brightness is within a given range and to calculate the read start position.

Abstract translation: 一种用于从原始文档生成图像数据并形成图像的图像形成装置包括光电转换单元，其将在副扫描方向上扫描的原稿的图像顺序地转换成由构成一行的多个像素构成的图像信号 在主扫描方向上，作为图像信号的白色基准的白色基准板，白色参考信号生成单元，用于根据从给定读数对给定行数进行光电转换的图像信号生成白色参考信号 通过光电转换单元在副扫描方向上的白色参考板的开始位置，阴影校正单元，用于校正基于白色参考信号由光电转换单元光电转换的原始文档图像的图像信号，以及读取 起始位置获取单元计算并获取白色参考的读取开始位置 读取开始位置获取单元包括开始位置计算单元，用于检测亮度在给定范围内的白色参考板的一部分，并计算读取的开始位置。

公开(公告)号：US08049908B2

公开(公告)日：2011-11-01

申请号：US11670711

申请日：2007-02-02

Applicant: Hirokazu Shoda

Inventor： Hirokazu Shoda

IPC: G06K9/62

CPC classification number: H04N1/486 ,  H04N1/1013 ,  H04N1/193 ,  H04N2201/0081 ,  H04N2201/0091 ,  H04N2201/044

Abstract: To obtain an image with good visibility by identifying an original document as being a color original document or a monochrome original document for every original document and using processing suitable for each for an image read by the image reading device.To achieve the object, the invention includes: a color processing portion 77 that performs color image forming processing for a multi-color color original document made of more than one color; a color original document monochrome processing portion 74 that performs monochrome image forming processing for a monochromatic color original document made of a single color; a monochrome original document processing portion 73 that performs monochrome image forming processing different from the monochrome image forming processing by the color original document monochrome processing portion 74 for a monochrome original document; and a CPU 75 that enables appropriate selective use of the color processing portion 77, the color original document monochrome processing portion 74, and the monochrome original document processing portion 73 for each original document.

Abstract translation: 为了通过将原始文档识别为每个原始文档的彩色原始文档或单色原始文档并且使用适合于图像读取装置所读取的图像的每个处理来获得具有良好可见性的图像。 为了实现该目的，本发明包括：对由多于一种颜色制成的多色原始文件进行彩色图像形成处理的颜色处理部分77; 对由单色构成的单色原稿进行单色图像形成处理的彩色原稿单色处理部74; 单色原稿处理部73，进行与通过单色原稿的彩色原稿单色处理部74的单色图像形成处理不同的单色图像形成处理; 以及能够适当地选择性地使用每个原始文档的颜色处理部分77，彩色原稿单色处理部分74和单色原稿处理部分73的CPU 75。

公开(公告)号：US20110242628A1

公开(公告)日：2011-10-06

申请号：US13076577

申请日：2011-03-31

Applicant: Daisuke MORIKAWA

Inventor： Daisuke MORIKAWA

IPC: H04N1/46

CPC classification number: H04N1/4097 ,  H04N1/00013 ,  H04N1/00023 ,  H04N1/00037 ,  H04N1/00039 ,  H04N1/00087 ,  H04N1/00092 ,  H04N1/12 ,  H04N1/1235 ,  H04N1/125 ,  H04N1/193 ,  H04N1/62 ,  H04N2201/0081 ,  H04N2201/044

Abstract: An image reading apparatus capable of accurately detecting abnormal pixels caused by a contaminant such as dirt, stain, or flaw on a moving document reading glass being read. An image processing unit of the image reading apparatus performs a first abnormal pixel detection process to detect pixel signals representing abnormal pixels and output from image sensors for respective colors when a reading unit reads a guide plate in a main scanning direction in a state before an original passes through a moving document reading position, performs a second abnormal pixel detection process to detect pixel signals representing abnormal pixels and output from the image sensors when an original being conveyed is read by the reading unit in the main scanning direction, and detects a main scanning direction of abnormal pixels based on results of these detection processes.

Abstract translation: 一种图像读取装置，其能够准确地检测由正在读取的移动文件读数玻璃上的诸如污物，污点或缺陷的污染物引起的异常像素。 图像读取装置的图像处理单元执行第一异常像素检测处理，以在原稿之前的状态下，当读取单元在主扫描方向上读取导板时，检测表示异常像素的像素信号并从各种颜色的图像传感器输出 通过移动文档读取位置，执行第二异常像素检测处理以检测表示异常像素的像素信号并且当正被传送的原稿在主扫描方向上被读取单元读取时，从图像传感器输出，并且检测主扫描 基于这些检测过程的结果，异常像素的方向。