公开(公告)号：US20110007372A1

公开(公告)日：2011-01-13

申请号：US12773353

申请日：2010-05-04

Applicant: Kosuke SHIMIZU

Inventor： Kosuke SHIMIZU

IPC: G03F3/08

CPC classification number: H04N1/00002 ,  H04N1/00013 ,  H04N1/00023 ,  H04N1/00031 ,  H04N1/00045 ,  H04N1/00053 ,  H04N1/00063 ,  H04N1/00068 ,  H04N1/00087 ,  H04N1/0009 ,  H04N1/401 ,  H04N1/486 ,  H04N1/6086 ,  H04N2201/044

Abstract: An image reading apparatus includes: a light source that generates light by synthesizing light from different illuminants, and irradiates an irradiated object with the light; a reading unit that reads light irradiated by the light source and reflected by the irradiated object and generates image information on the irradiated object; a correction amount setting unit that acquires from the reading unit the image information generated by using, as the irradiated object, a color sample formed in a color of light emitted by any one of the illuminants generating the light of the light source, and that sets, according to the acquired image information, a correction amount to correct the image information on the irradiated object generated by the reading unit; and a correction unit that corrects the image information on the irradiated object generated by the reading unit, by using the correction amount set by the correction amount setting unit.

Abstract translation: 一种图像读取装置，包括：通过合成来自不同光源的光产生光并照射被照射物体的光源; 读取单元，其读取由所述光源照射并被所述被照射物体反射的光，并产生对被照射物体的图像信息; 校正量设定单元，其从所述读取单元获取通过使用由所述照射对象使用由产生所述光源的所述发光体中的任一个发出的光的颜色形成的颜色样本而生成的图像信息， 根据所获取的图像信息，校正由所述读取单元生成的所述照射对象上的图像信息的校正量; 以及校正单元，通过使用由校正量设定单元设定的校正量来校正由读取单元生成的照射对象的图像信息。

公开(公告)号：US20100315687A1

公开(公告)日：2010-12-16

申请号：US12792879

申请日：2010-06-03

Applicant: Hiroki Sakane

Inventor： Hiroki Sakane

IPC: H04N1/40

CPC classification number: H04N1/401 ,  H04N1/00002 ,  H04N1/00013 ,  H04N1/00023 ,  H04N1/00045 ,  H04N1/0005 ,  H04N1/00063 ,  H04N1/00087 ,  H04N1/00795 ,  H04N1/00811 ,  H04N2201/044

Abstract: An image reading device includes: a light source irradiating a reading target with light; an image sensor receiving incoming reflection light from the reading target and reading the reading target; a plurality of kinds of white reference plates of mutually different brightness levels provided for acquiring a white reference in shading correction; an input part accepting input of selection, as a mode for document reading, between a character mode prioritizing character reproduction and a photo mode prioritizing figure and photo reproduction; and a shading correction part, when the character mode has been selected, perform the shading correction by defining the white reference based on output of the image sensor when the character-mode white reference plate darker than the photo-mode white reference plate has been read.

Abstract translation: 图像读取装置包括：用光照射读取对象物的光源; 接收来自读取目标的入射反射光并读取读取目标的图像传感器; 提供用于在阴影校正中获取白参考的彼此不同亮度级的多种白参考板; 作为用于文档读取的模式的输入部分，在字符模式优先字符再现和照片模式优先化图形和照片再现之间; 以及阴影校正部，当已经选择了字符模式时，当已经读取比已经读取了光模式白色参考板的字符模式白色参考板时，通过基于图像传感器的输出定义白色参考来执行阴影校正 。

公开(公告)号：US07843609B2

公开(公告)日：2010-11-30

申请号：US10957028

申请日：2004-09-30

Applicant: Gregory D. Caster ,  Brian K. Owens ,  Donald N. Spitz

Inventor： Gregory D. Caster ,  Brian K. Owens ,  Donald N. Spitz

IPC: H04N1/04 ,  H04N1/36

CPC classification number: H04N1/1017 ,  H04N1/00018 ,  H04N1/00045 ,  H04N1/0005 ,  H04N1/00092 ,  H04N1/193 ,  H04N2201/044

Abstract: A method of scanning a target image and inhibiting backtrack artifacts from the scanned image comprises the steps of initiating a scan on a flat bed scanner, the flat bed scanner comprising at least a scanbar, a memory buffer and a motion control pattern comprised of a plurality of spaced elements, each element having an angled portion with respect to the motion of the scanbar; acquiring scan data comprising a motion control pattern data and an image data with said scanbar; storing the previously acquired scan data in a memory buffer; querying whether the memory buffer reaches a preselected full threshold; acquiring a last valid scan data; stopping and backtracking the scanbar when the memory buffer preselected full threshold is met; and, inhibiting backtrack artifacts by one of a first real-time position analysis or a post-processing analysis.

Abstract translation: 扫描目标图像并抑制来自扫描图像的回溯伪像的方法包括以下步骤：在平板扫描仪上启动扫描，平板扫描器至少包括扫描栏，存储缓冲器和由多个扫描仪组成的运动控制图案 每个元件相对于扫描杆的运动具有成角度的部分; 获取包括运动控制图案数据和与所述扫描栏的图像数据的扫描数据; 将先前获取的扫描数据存储在存储器缓冲器中; 查询存储器缓冲区是否达到预选的完整阈值; 获取最后的有效扫描数据; 当满足内存缓冲区预选的全部阈值时停止和回溯扫描栏; 以及通过第一实时位置分析或后处理分析之一来抑制回溯伪像。

公开(公告)号：US07821685B2

公开(公告)日：2010-10-26

申请号：US11863069

申请日：2007-09-27

Applicant: Yasuhiko Yoshihisa

Inventor： Yasuhiko Yoshihisa

IPC: H04N1/04

CPC classification number: H04N1/1017 ,  H04N1/00912 ,  H04N1/1026 ,  H04N1/103 ,  H04N1/193 ,  H04N2201/044

Abstract: An image reading method according to the present invention involves causing an image sensor for reading an image of a document to move from a side at which the document is placed toward a home position of the image sensor, causing to reverse a movement direction at a turn-back position after the image sensor has passed the home position, and causing the image sensor to move to the home position again.

Abstract translation: 根据本发明的图像读取方法涉及使用于读取文档的图像的图像传感器从放置文档的一侧朝向图像传感器的原始位置移动，从而使转动时的移动方向反向 在图像传感器已经通过原始位置之后的背面位置，并且使图像传感器再次移动到原始位置。

公开(公告)号：US07800786B2

公开(公告)日：2010-09-21

申请号：US11626636

申请日：2007-01-24

Applicant: Takahiro Ikeno ,  Tetsuya Kato

Inventor： Takahiro Ikeno ,  Tetsuya Kato

IPC: H04N1/40 ,  H04N1/04

CPC classification number: H04N1/4076 ,  H04N1/02835 ,  H04N1/0284 ,  H04N1/193 ,  H04N1/401 ,  H04N2201/044

Abstract: There is provided an image reading device, which comprises a photoreceptor unit having photoreceptors aligned in a line, and a signal output unit having output channels from which output signals of the photoreceptors are outputted. The output channels respectively correspond to regions into which the photoreceptors are divided. The image reading device further comprises an amplifier unit to amplify the output signals from the output channels, and a gain adjustment unit configured to use a maximum level of white signals outputted by the signal output unit as the output signals when the photoreceptor unit receives light from a white object to adjust a gain of amplification of the amplifier unit with respect to the output signals belonging to at least one of the regions other than a first region to which an output signal corresponding to the maximum level belongs.

Abstract translation: 提供了一种图像读取装置，其包括具有在一行中排列的感光体的感光体单元和具有从其输出感光体的输出信号的输出通道的信号输出单元。 输出通道分别对应于感光体被分割成的区域。 图像读取装置还包括用于放大来自输出通道的输出信号的放大器单元，以及增益调整单元，被配置为当感光单元从光信号输入单元接收光时使用由信号输出单元输出的最大白平衡信号作为输出信号 相对于属于与最大电平对应的输出信号所属的第一区域以外的区域中的至少一个的输出信号，调整放大器单元的放大增益的白色物体。

公开(公告)号：US07755804B2

公开(公告)日：2010-07-13

申请号：US11380761

申请日：2006-04-28

Applicant: Takahiro Ikeno ,  Keiichi Nakano

Inventor： Takahiro Ikeno ,  Keiichi Nakano

IPC: H04N1/40

CPC classification number: H04N1/401 ,  H04N1/00002 ,  H04N1/00013 ,  H04N1/00023 ,  H04N1/00031 ,  H04N1/00045 ,  H04N1/0005 ,  H04N1/00063 ,  H04N1/00068 ,  H04N1/00076 ,  H04N1/00087 ,  H04N1/1017 ,  H04N1/1215 ,  H04N2201/044

Abstract: An image reading apparatus for reading an image with respect to a plurality of colors, including: a reference member; an image reading device including a plurality of light receiving elements, the image reading device reading the reference member to obtain white level information for the respective colors, the white level information for each of the colors being a set of data of a quantity obtained by the light receiving elements, the read image being corrected based on at least the white level information; a ratio calculator calculating a ratio among the information of the respective colors; an abnormal-data determiner determining that a first piece of data in the level information of any particular color is abnormal data, where the first piece of data is different from a second specific piece of data in the level information of the same color which second specific piece of data is in a predetermined relationship with the first specific data, by an amount not smaller than a threshold, or where the first specific data is outside a range; and a data corrector obtaining correction data obtained by multiplying, by the ratio, corresponding data which corresponds to the abnormal data according to a predefined principle and included in the information of at least one color determined to be not including the abnormal data, and replaces the abnormal data with the correction data.

Abstract translation: 一种用于读取关于多种颜色的图像的图像读取装置，包括：参考构件; 包括多个光接收元件的图像读取装置，所述图像读取装置读取所述基准部件以获得各种颜色的白色等级信息，所述每个颜色的白色级别信息是由所述多个光接收元件获得的数量的一组数据 光接收元件，所述读取图像至少基于所述白电平信息被校正; 计算各种颜色的信息之间的比率的比率计算器; 确定任何特定颜色的级别信息中的第一条数据是异常数据的异常数据确定器，其中第一条数据与第二特定的相同颜色的级别信息中的第二特定数据片段不同 数据段与第一特定数据处于预定关系，数量不小于阈值，或者第一特定数据在范围之外; 以及数据校正器，获得校正数据，该校正数据通过将根据预定义原理对应于异常数据的对应数据乘以该比例而被包括在确定为不包括异常数据的至少一种颜色的信息中，并将其替换 异常数据与校正数据。

公开(公告)号：US07639404B2

公开(公告)日：2009-12-29

申请号：US11190017

申请日：2005-07-27

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：US20090147318A1

公开(公告)日：2009-06-11

申请号：US12285591

申请日：2008-10-09

Applicant: Po-Yuan Chang

Inventor： Po-Yuan Chang

IPC: H04N1/04

CPC classification number: H04N1/1017 ,  H04N1/0005 ,  H04N1/00082 ,  H04N1/00708 ,  H04N1/00734 ,  H04N2201/044

Abstract: A scanning device includes a housing, an optical module and a positioning element. The optical module is movably disposed in the housing. The positioning element disposed on the housing is movable in a direction substantially parallel to a moving path of the optical module so as to adjust the range of a scanning area. When a to-be-scanned document is scanned, the optical module moves inside the scanning area for performing scanning.

Abstract translation: 扫描装置包括壳体，光学模块和定位元件。 光学模块可移动地设置在壳体中。 设置在壳体上的定位元件可以在基本上平行于光学模块的移动路径的方向上移动，以便调整扫描区域的范围。 当扫描文档被扫描时，光学模块在扫描区域内移动以进行扫描。

公开(公告)号：US20090122361A1

公开(公告)日：2009-05-14

申请号：US12268597

申请日：2008-11-11

Applicant: Sugitaka OTEKI

Inventor： Sugitaka OTEKI

IPC: H04N1/04

CPC classification number: H04N1/00002 ,  H04N1/00045 ,  H04N1/00063 ,  H04N1/00087 ,  H04N1/00092 ,  H04N1/00909 ,  H04N1/125 ,  H04N2201/044

Abstract: A white reference member is used to obtain white reference data. An image sensor scans the white reference member line by line to obtain a plurality of lines of white reference data. A skipping unit skips the white reference data with a predetermined skipping ratio to generate a skipped white reference data. A dust detecting unit detects a dust between the white reference member and the image sensor based on the skipped white reference data.

Abstract translation: 使用白色参考构件获得白色参考数据。 图像传感器逐行扫描白色参考成员以获得多行白色参考数据。 跳过单元以预定的跳过比率跳过白参考数据，以生成跳过的白参考数据。 灰尘检测单元基于跳过的白色参考数据检测白色参考构件和图像传感器之间的灰尘。

公开(公告)号：US20090027737A1

公开(公告)日：2009-01-29

申请号：US12060596

申请日：2008-04-01

Applicant: Thomas INGENDOH

Inventor： Thomas INGENDOH

IPC: H04N1/04

CPC classification number: G06K9/209 ,  H04N1/00002 ,  H04N1/00018 ,  H04N1/00047 ,  H04N1/00087 ,  H04N1/12 ,  H04N2201/0432 ,  H04N2201/044 ,  H04N2201/0448 ,  H04N2201/04715

Abstract: The present scanning device and related method relate to reversibly positioning markers in respective overlapping areas, where the markers are arranged in the scanning device. A control device makes x-y-position correction of a camera on the basis of a known position and a known outline of the markers. The markers are deviated and displaced from a neutral position outside scanning areas of the camera into the overlapping areas.

Abstract translation: 本扫描装置及相关方法涉及将标记可逆地定位在相应重叠区域中，其中标记被布置在扫描装置中。 控制装置基于已知位置和标记的已知轮廓来进行相机的x-y位置校正。 标记从相机的扫描区域外的中立位置偏离并移位到重叠区域。