公开(公告)号：US20070216962A1

公开(公告)日：2007-09-20

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：US20070206237A1

公开(公告)日：2007-09-06

申请号：US11682728

申请日：2007-03-06

Applicant: Hirofumi Oguri

Inventor： Hirofumi Oguri

IPC: H04N1/04

CPC classification number: H04N1/4092 ,  H04N1/193 ,  H04N2201/044 ,  H04N2201/0458

Abstract: An image reader includes an image sensor including a plurality of light receiving elements. The plurality of light receiving elements receive a reflection light from a document and perform photoelectric conversion. The image reader further includes an MTF calculation portion which calculates an MTF of the image sensor based on image data which is obtained by reading a predetermined MTF detection pattern. Moreover, the image reader includes an image processing portion which divides the plurality of light receiving elements into a first MTF region and a second MTF region. The image processing portion performs a first image process on the plurality of image signals which are outputted from the light receiving elements in the first MTF region and a second image process on the plurality of image signals which are outputted from the light receiving elements in the second MTF region.

Abstract translation: 图像读取器包括具有多个光接收元件的图像传感器。 多个光接收元件接收来自原稿的反射光并执行光电转换。 图像读取器还包括MTF计算部分，其基于通过读取预定的MTF检测图案获得的图像数据来计算图像传感器的MTF。 此外，图像读取器包括将多个光接收元件分割成第一MTF区域和第二MTF区域的图像处理部分。 图像处理部分对从第一MTF区域中的光接收元件输出的多个图像信号执行第一图像处理，并且对第二图像处理部分对从第二MTF中的光接收元件输出的多个图像信号执行第二图像处理 MTF区域。

公开(公告)号：US07253932B2

公开(公告)日：2007-08-07

申请号：US10330184

申请日：2002-12-30

Applicant: Kazuyoshi Tsutsumi

Inventor： Kazuyoshi Tsutsumi

IPC: H04N1/04 ,  H04N1/40

CPC classification number: H04N1/0005 ,  H04N1/00002 ,  H04N1/00087 ,  H04N1/00092 ,  H04N1/00909 ,  H04N1/121 ,  H04N1/193 ,  H04N2201/0416 ,  H04N2201/044

Abstract: An image reading apparatus is provided which is capable of preventing abnormal lines from being generated on an image read out from an original document even if there is more or less dirt attached to a reading glass exclusively used for reading ADF original documents. In an image reading apparatus 100 of the present invention, in case of dirt adhering to a reading glass 11, when an original document 13 being sent to a document reading position PW by a transportation part 12 of an automatic document feeder 10 is being read by a scanning carriage 23 through the reading glass 11, abnormal densities appear in pixel data of positions corresponding to the dirt among the readout pixel data. However, a control part 30 of the image reading apparatus 100 nullifies the pixel data of abnormal densities, and compensates for the nullified pixel data based on their surrounding pixel data. As a result, even when dirt adheres to the reading glass, there can be created an excellent image with no missing pixel without appearance of any abnormal black line.

Abstract translation: 提供了一种图像读取装置，其能够防止从原始文档读出的图像上产生异常线，即使附着到专用于读取ADF原始文档的阅读玻璃上的污垢更多或更少。 在本发明的图像读取装置100中，在附着于读数玻璃11的情况下，当通过自动供纸装置10的输送部12向原稿读取位置PW发送的原稿13被正在读取时 通过阅读玻璃11的扫描滑架23，在读出像素数据中的与污物对应的位置的像素数据中出现异常密度。 然而，图像读取装置100的控制部分30使异常密度的像素数据无效，并且基于其周围的像素数据补偿无效像素数据。 结果，即使污垢附着在读数玻璃上，也可以形成没有丢失像素的优异图像，而不会出现异常黑线。

公开(公告)号：US07248388B2

公开(公告)日：2007-07-24

申请号：US10812076

申请日：2004-03-30

Applicant: Ta-Yi Lee ,  Tung-Fu Hsieh ,  Hsiao-Li Kao

Inventor： Ta-Yi Lee ,  Tung-Fu Hsieh ,  Hsiao-Li Kao

IPC: H04N1/04

CPC classification number: H04N1/00928 ,  H04N1/00931 ,  H04N1/02845 ,  H04N1/04 ,  H04N2201/0416 ,  H04N2201/044

Abstract: An optical scanner includes a first reference white board and a second reference white board perpendicular to two sides of a glass window that holds an object to be scanned. When the optical scanner is powered on, the optical module scans the first reference white board and the second reference white board to obtain data of image quality test and brightness variations in Y direction first, and through software compensation and correction, to obtain a normal digital image data thereby to achieve rapid preview and scanning.

Abstract translation: 光学扫描仪包括垂直于玻璃窗的两侧的第一参考白板和第二参考白板，该玻璃窗保持待扫描的物体。 当光学扫描仪通电时，光学模块首先扫描第一个参考白板和第二个参考白板，以获得图像质量测试数据和Y方向上的亮度变化，并通过软件补偿和校正获得正常数字 图像数据，从而实现快速预览和扫描。

公开(公告)号：US20070070450A1

公开(公告)日：2007-03-29

申请号：US11338848

申请日：2006-01-25

Applicant: Kouta Tanaka ,  Daisuke Imada

Inventor： Kouta Tanaka ,  Daisuke Imada

IPC: H04N1/04

CPC classification number: H04N1/04 ,  H04N1/00909 ,  H04N1/12 ,  H04N1/193 ,  H04N2201/044

Abstract: The present invention provides an image reading apparatus including: a document feeding unit that feeds a document along a feeding path; a read-out sensor that reads out an image from the document fed by the document feeding unit without stopping the feed; a control unit that causes the read-out sensor to stay on standby in a predetermined retracted position at a distance from the feeding path when it is not necessary to read out the image of the document, and causes the read-out sensor, when it is necessary to read out the image of the document, to move to a predetermined document reading position and to read out the image from the fed document; and an output unit that outputs the image data read out by the read-out sensor.

Abstract translation: 本发明提供一种图像读取装置，包括：文档馈送单元，其沿着馈送路径馈送文件; 读出传感器，其从文档馈送单元馈送的文档中读出图像，而不停止馈送; 控制单元，当不需要读取文档的图像时，使读出的传感器在与进给路径一定距离处于预定缩回位置的待机状态，并且当读出传感器 需要读取文件的图像，移动到预定的文档读取位置并从所馈送的文档中读出图像; 以及输出单元，其输出由读出的传感器读出的图像数据。

公开(公告)号：US20060250665A1

公开(公告)日：2006-11-09

申请号：US11414450

申请日：2006-05-01

Applicant: Ku Chen

Inventor： Ku Chen

IPC: H04N1/04

CPC classification number: H04N1/12 ,  H04N1/00018 ,  H04N1/00045 ,  H04N1/191 ,  H04N1/193 ,  H04N2201/044

Abstract: A sheet-fed scanner capable of scanning multiple scan lines for image signal calibration includes a housing, a sheet-feeding mechanism, a first scanning module, a first actuator and a first calibration sheet. The sheet-feeding mechanism disposed in the housing feeds a document across a scan region. The first scanning module rotatably mounted in the housing scans a front side of the document fed across the scan region. The first calibration sheet is fixed in the housing and disposed in the scan region. The first actuator drives the first scanning module to rotate such that the first scanning module senses a plurality of scan lines on the first calibration sheet to obtain a first calibration standard for calibrating a first image signal of the front side of the document. Thus, it is possible to avert any flaws in image quality caused by the contaminated calibration sheet.

Abstract translation: 能够扫描多条扫描线用于图像信号校准的单张纸扫描仪包括壳体，送纸机构，第一扫描模块，第一致动器和第一校准片。 设置在壳体中的片材馈送机构跨越扫描区域馈送文件。 可旋转地安装在壳体中的第一扫描模块扫描沿着扫描区域馈送的文件的前侧。 第一校准片被固定在壳体中并且设置在扫描区域中。 第一致动器驱动第一扫描模块旋转，使得第一扫描模块感测第一校准片上的多条扫描线，以获得用于校准文件正面的第一图像信号的第一校准标准。 因此，可以避免由污染的校准片引起的图像质量的任何缺陷。

公开(公告)号：US07102797B2

公开(公告)日：2006-09-05

申请号：US10150932

申请日：2002-05-21

Applicant: Yoshihiro Sakai

Inventor： Yoshihiro Sakai

IPC: H04N1/00 ,  H04N1/40 ,  H04N1/04 ,  G06K9/40

CPC classification number: H04N1/1008 ,  H04N1/1013 ,  H04N1/193 ,  H04N2201/044 ,  H04N2201/04755

Abstract: In an image reading device having a sheet-through mechanism, a controller controls a stepping motor to decelerate an image reading system when the image reading system is moved to a reference white plate reading position, and controls a stepping motor drive electric current to decrease when the image reading system reads a reference white plate. When the image reading system finishes reading the reference white plate, the controller controls the stepping motor drive electric current to increase so as to rapidly decelerate the image reading system. The controller further controls the stepping motor such that a moving speed of the image reading system to an original document reading position is lower than a moving speed of the image reading system to the reference white plate reading position.

公开(公告)号：US20060139700A1

公开(公告)日：2006-06-29

申请号：US11313831

申请日：2005-12-22

Applicant: Ayumu Murakami ,  Shoko Magata ,  Takeshi Aoyama ,  Yuichi Yamamoto ,  Takayuki Suga ,  Haruhisa Oshida

Inventor： Ayumu Murakami ,  Shoko Magata ,  Takeshi Aoyama ,  Yuichi Yamamoto ,  Takayuki Suga ,  Haruhisa Oshida

IPC: H04N1/04

CPC classification number: H04N1/125 ,  H04N1/1013 ,  H04N1/1215 ,  H04N1/203 ,  H04N1/2032 ,  H04N1/4076 ,  H04N2201/044

Abstract: An image scanning device including: a conveyance path which conveys originals; a first scanning means and a second scanning means which are placed such that they sandwich the conveyance path; and a white reference member used for adjusting the white levels of the scanning means; wherein at least one of the first scanning means, the second scanning means and the white reference member is movable; the first scanning means and the second scanning means can scan the same surface of said white reference member since the first scanning means or the second scanning means is moved or the white reference member is moved.

公开(公告)号：US06975435B1

公开(公告)日：2005-12-13

申请号：US09511548

申请日：2000-02-23

Applicant: Yoshifumi Maitani ,  Michiyuki Suzuki ,  Michiaki Nishimura ,  Kazuya Masuda ,  Noritomo Nakashima ,  Takehiro Kato

Inventor： Yoshifumi Maitani ,  Michiyuki Suzuki ,  Michiaki Nishimura ,  Kazuya Masuda ,  Noritomo Nakashima ,  Takehiro Kato

IPC: G03G15/00 ,  G03B27/50 ,  G03B27/72 ,  G03G15/04 ,  G03G15/043 ,  H04N1/00 ,  H04N1/04 ,  H04N1/10 ,  H04N1/12 ,  H04N1/19 ,  H04N1/40 ,  H04N1/401 ,  H04N1/407

CPC classification number: H04N1/00013 ,  H04N1/00002 ,  H04N1/00045 ,  H04N1/00082 ,  H04N1/0464 ,  H04N1/1013 ,  H04N1/12 ,  H04N1/40056 ,  H04N1/401 ,  H04N1/4076 ,  H04N2201/044

Abstract: In the correction of the quantity of light of a light source used in an image reader which irradiates an original document with the light source, receives the reflected light by a CCD and reads the original document image, at the time of a document moving mode in which the document moves, correction of the quantity of irradiation light of the light source is performed by reading a first standard white board which extends over the whole area in the main scanning direction, prior to the initiation of readout of the moving document, and upon initiation of readout of the moving document, a second standard white board arranged outside the document passing area is read by using the same light source, with the read operation of the moving document, and correction of the quantity of irradiation light of the light source is performed based on the reflected light from the second white board.

Abstract translation: 在用光源照射原稿的图像读取器中使用的光源的光量校正中，通过CCD接收反射光并读取原始文件图像，在文件移动模式时 文件移动时，通过读取在移动文件的读出开始之前在主扫描方向上遍及整个区域延伸的第一标准白板，并且在 通过使用相同的光源，通过移动文档的读取操作和光源的照射光量的校正来读取布置在文档通过区域之外的第二标准白板的读取的开始， 基于来自第二白板的反射光进行。

公开(公告)号：US06963428B1

公开(公告)日：2005-11-08

申请号：US09626625

申请日：2000-07-27

Applicant: Robert G Gann

Inventor： Robert G Gann

IPC: G06T1/00 ,  H04N1/03 ,  H04N1/04 ,  H04N1/19 ,  H01J3/14 ,  H04N1/00 ,  H04N1/46 ,  H04N17/00

CPC classification number: H04N1/0303 ,  H04N1/03 ,  H04N1/0305 ,  H04N1/19 ,  H04N2201/02497 ,  H04N2201/0436 ,  H04N2201/044

Abstract: A system and method are disclosed which provide a look-down digital imaging device capable of scanning a calibration area included within such look-down digital imaging device to capture image data for the calibration area and calibrate itself based on analysis of such captured image data. More specifically, a preferred embodiment includes a calibration area that is integrated internally within the look-down digital imaging device. When performing calibration in such a preferred embodiment, the scan head of the look-down digital imaging device is operable to align itself with the calibration area to allow for a scan of the calibration area (i.e., the capture of digital image data of the calibration area). In one embodiment, a look-down digital imaging device does not achieve a focused scan of the calibration area, but is capable of utilizing captured unfocused digital imaging data for calibration. In a preferred embodiment, a look-down digital imaging device achieves a focused scan of the calibration area, thereby enabling a further accurate calibration. More specifically, a preferred embodiment folds the optical path of the reflected light from the calibration area in order to have the optical path of such calibration area accurately mimic the optical path of an original to be scanned, thereby allowing for focused calibration to be achieved.

Abstract translation: 公开了一种系统和方法，其提供能够扫描包括在这种仰视数字成像装置内的校准区域的查看数字成像装置，以捕获用于校准区域的图像数据并且基于对这种捕获的图像数据的分析来校准自身。 更具体地，优选实施例包括内置于俯视数字成像装置内的校准区域。 当在这样的优选实施例中进行校准时，所述下行数字成像装置的扫描头可操作以使其与校准区域对准，以允许校准区域的扫描（即，捕获校准区域的数字图像数据 区）。 在一个实施例中，仰视数字成像装置不能实现校准区域的聚焦扫描，而是能够利用捕获的未聚焦的数字成像数据进行校准。 在一个优选实施例中，一种查看式数字成像装置实现了校准区域的聚焦扫描，从而能够进一步精确校准。 更具体地，优选实施例折叠来自校准区域的反射光的光路，以便使这种校准区域的光路精确地模拟要扫描的原稿的光路，从而实现聚焦校准。