公开(公告)号：JP4853555B2

公开(公告)日：2012-01-11

申请号：JP2009177796

申请日：2009-07-30

Applicant: ブラザー工業株式会社

Inventor： 龍也 佐藤 ,  哲也 加藤 ,  崇史 松海

IPC: H04N1/04 ,  G06T1/00 ,  H04N1/00

CPC classification number: H04N1/00708 ,  H04N1/00702 ,  H04N1/00718 ,  H04N1/00737 ,  H04N1/00745 ,  H04N1/00748 ,  H04N1/00761 ,  H04N1/00771

Abstract: In an image-reading device, when the reading unit generates the set of image data, the top side is generated at first and the bottom side is generated subsequently to the top side. The scanned image includes a document image corresponding to the document. The specifying unit, when the reading unit scans and reads a part of the document and generates a part of the set of image data including a part of the document image, specifies a target vertex that is positioned at topmost among at least one vertex of the part of document image. The estimating unit defines a reference position in the scanned image corresponding to a center of the conveying path in the width direction, and estimates a size of the document based on a length in the second direction between the target vertex and the reference position.

公开(公告)号：JP2012005062A

公开(公告)日：2012-01-05

申请号：JP2010140878

申请日：2010-06-21

Applicant: Sharp Corp ,  シャープ株式会社

Inventor： MORIMOTO ATSUTOSHI ,  KONISHI YOSUKE ,  HIROHATA HITOSHI ,  YOSHIDA AKITO

IPC: H04N1/04 ,  H04N1/10 ,  H04N1/107 ,  H04N1/387 ,  H04N1/40

CPC classification number: G03G15/5095 ,  G03G15/5025 ,  H04N1/00708 ,  H04N1/00718 ,  H04N1/00737 ,  H04N1/00779 ,  H04N1/38 ,  H04N1/3872 ,  H04N1/3878

Abstract: PROBLEM TO BE SOLVED: To provide an image processing apparatus, an image reading apparatus, an image forming apparatus, an image processing method, a computer program and a recording medium in which input of a size of a document is not needed and which are capable of handling a document as appropriate even when the document is in a standard-size or a nonstandard-size.SOLUTION: From among obtained document images, an object area including a character or a diagram is extracted, and based on the extracted object area and size information stored in a storage means, a cut-out area enclosing the object area with a predetermined space therebetween is determined, or the cut-out area is determined by accepting a setting of the space and based on the object area and the accepted setting of the space.

Abstract translation: 要解决的问题：提供一种图像处理装置，图像读取装置，图像形成装置，图像处理方法，计算机程序和记录介质，其中不需要输入文档的大小， 它们能够适当地处理文档，即使文档是标准尺寸或非标准尺寸。 解决方案：从获得的文档图像中，提取包括字符或图形的对象区域，并且基于所提取的对象区域和存储在存储装置中的大小信息，将包围对象区域的切出区域设置为 确定其间的预定间隔，或者通过接受空间的设置并且基于对象区域和接受的空间设置来确定切出区域。 版权所有（C）2012，JPO＆INPIT

公开(公告)号：JP4818038B2

公开(公告)日：2011-11-16

申请号：JP2006259050

申请日：2006-09-25

Applicant: キヤノン株式会社

Inventor： 勝宏 石戸

IPC: H04N1/00 ,  H04N1/21

CPC classification number: H04N1/0402 ,  H04N1/00572 ,  H04N1/00588 ,  H04N1/00602 ,  H04N1/00612 ,  H04N1/00708 ,  H04N1/0405 ,  H04N1/203 ,  H04N1/2032 ,  H04N1/3248

Abstract: An aspect of the invention provides an image scanner (100, 123) which can continuously transfer image data of one surface to an external device (image forming apparatus) without performing control such as interruption and resumption of an original scanning operation. The image scanner (100, 123) includes a size detection unit (501, 502) which detects an original size and a determination unit (501, 502) which determines whether or not the image data relating to an original of the size detected by the size detection unit (501, 502) can be stored in a storage unit (305). The image scanner (100, 123) also includes a control unit (320). The control unit (320) is configured to set operation in a first mode when the determination unit (501, 502) determines that image data relating to the original can be stored in the storage unit (305), and the control unit (320) is configured to set operation in a second mode when the determination unit (501, 502) determines that image data relating to the original cannot be stored in the storage unit (305).

公开(公告)号：JP4671415B2

公开(公告)日：2011-04-20

申请号：JP2005232300

申请日：2005-08-10

Applicant: キヤノン株式会社

Inventor： 直巳 中村 ,  和也 今福 ,  重喜 鉢呂

IPC: H04N1/387 ,  B41J2/01 ,  B41J5/30 ,  G06T3/00 ,  H04N1/04

CPC classification number: H04N1/00681 ,  G06F3/1297 ,  H04N1/00708 ,  H04N1/00795 ,  H04N1/00801 ,  H04N1/00811 ,  H04N1/00816 ,  H04N1/2307 ,  H04N1/233 ,  H04N1/2338 ,  H04N2201/0091

Abstract: This invention provides an apparatus and a method capable of improving the throughput, reducing the apparatus cost, and executing marginless copy with a natural impression. According to this invention, a multi-function printer executes marginless copy in the following. Marginless copy and a printing paper size are instructed. The position and size of an original placed on the original table of the scanner are detected. A reading area on the original table is decided on the basis of the instruction, detection result, and a predefined extra-printing size. Control is done to execute image reading while limiting the operation range of the sensor of the scanner so that the image original is read from the decided reading area.

公开(公告)号：JP2011035530A

公开(公告)日：2011-02-17

申请号：JP2009177796

申请日：2009-07-30

Applicant: Brother Industries Ltd ,  ブラザー工業株式会社

Inventor： KATO TETSUYA ,  SATO TATSUYA ,  MATSUUMI TAKASHI

IPC: H04N1/04 ,  G06T1/00 ,  H04N1/00

CPC classification number: H04N1/00708 ,  H04N1/00702 ,  H04N1/00718 ,  H04N1/00737 ,  H04N1/00745 ,  H04N1/00748 ,  H04N1/00761 ,  H04N1/00771

Abstract: PROBLEM TO BE SOLVED: To provide a scanner capable of quickly specifying the size of a document to be scanned. SOLUTION: In a scan image, a reference line and A, B detection lines are provided, where the reference line corresponds to the center line in a width direction of a conveying passage of a document, and the A, B detection lines are positioned at both the sides of the reference line. Then, when scan image data for a front edge part of the document are generated, edges of the document are detected on the A, B detection lines, and the respective edges on the A, B detection lines are set to be points a, b, respectively. Further, the edge detected on a line passing through a point positioned at a lower side in the points a, b and extending in an X-axis direction is set to be a point (point c) on a side edge of the document, and the coordinates of the intersection (point d) between a straight line C passing through the point c and orthogonally crossing a straight line ab, and the straight line ab are specified as coordinates of the vertex of the document. Then, the size of the document is estimated based on distance in the X-axis direction between the point d and the reference line. COPYRIGHT: (C)2011,JPO&INPIT

Abstract translation: 要解决的问题：提供能够快速指定要扫描的文档的大小的扫描仪。 解决方案：在扫描图像中，提供参考线和A，B检测线，其中参考线对应于文档的传送通道的宽度方向上的中心线，并且A，B检测线 位于参考线的两侧。 然后，当生成用于文档的前边缘部分的扫描图像数据时，在A，B检测线上检测文档的边缘，并且将A，B检测线上的各个边缘设置为点a，b ， 分别。 此外，在通过位于点a，b中的位于点a，b中并且沿X轴方向延伸的点的线上检测到的边缘被设置为文档的侧边缘上的点（点c），并且 将通过点c的直线C和正交交叉直线ab之间的交点（点d）的坐标和直线ab指定为文档的顶点的坐标。 然后，基于点d与参考线之间的X轴方向的距离来估计文档的尺寸。 版权所有（C）2011，JPO＆INPIT

公开(公告)号：JP2010219667A

公开(公告)日：2010-09-30

申请号：JP2009061547

申请日：2009-03-13

Applicant: Murata Machinery Ltd ,  村田機械株式会社

Inventor： TAKESHIMA NORIYOSHI

IPC: H04N1/04 ,  G03B27/54 ,  G03B27/62 ,  G06T1/00 ,  H04N1/00 ,  H04N1/10 ,  H04N1/107

CPC classification number: G03B27/527 ,  H04N1/00681 ,  H04N1/00708 ,  H04N1/0071 ,  H04N1/00737 ,  H04N1/00748 ,  H04N1/00753 ,  H04N1/00795 ,  H04N1/00814 ,  H04N1/1013 ,  H04N1/193

Abstract: PROBLEM TO BE SOLVED: To provide an image reading apparatus which can detect an original document size, without fail, irrespective of the influence due to disturbance light or influence due to te density of an edge of the original document.
SOLUTION: The image reading apparatus 1 presses the original document, placed on a glass plate 3d by a platen cover 20 and reads the original document by using a line sensor 37 and is provided with: a light source 33 which is used when reading image information; a first detection sensor 25, which detects as a first timing a state in which the cover 20 is opened at, for example, an angle of 20°; a second detection sensor 26, which detects as a second timing a state, for example, that is immediately before the cover 20 closes the glass plate 3d; and an original document size determination unit 55, which lights the light source 33 in the respective first and second timing when the cover 20 is closing, reads the image information by the sensor 37, operates difference data of the first image information read in the first timing and the image information read in the second timing, and determines the size of the original document, based on the difference data.
COPYRIGHT: (C)2010,JPO&INPIT

Abstract translation: 要解决的问题：提供一种能够无损地检测原始文档尺寸的图像读取装置，而不管由于干扰光的影响或由于原始文档的边缘的密度引起的影响。 解决方案：图像读取装置1通过压板盖20按压放置在玻璃板3d上的原稿，并使用线传感器37读取原稿，并且设置有：光源33，其在 阅读图像信息; 第一检测传感器25，其以例如20°的角度将盖20打开的状态作为第一定时检测; 第二检测传感器26，其检测作为第二定时的状态，例如在盖20关闭玻璃板3d之前的状态; 以及原稿文档尺寸确定单元55，其在盖20关闭时在相应的第一和第二定时点亮光源33，由传感器37读取图像信息，操作在第一图像中读取的第一图像信息的差异数据 定时和在第二定时中读取的图像信息，并且基于差异数据确定原始文档的大小。 版权所有（C）2010，JPO＆INPIT

公开(公告)号：JP2010193100A

公开(公告)日：2010-09-02

申请号：JP2009034397

申请日：2009-02-17

Applicant: Fuji Xerox Co Ltd ,  富士ゼロックス株式会社

Inventor： SHIRAISHI KEIKO ,  SHIMIZU KOSUKE

IPC: H04N1/19 ,  G06T1/00 ,  H04N1/10 ,  H04N1/107

CPC classification number: H04N1/1013 ,  H04N1/00002 ,  H04N1/00018 ,  H04N1/00037 ,  H04N1/00047 ,  H04N1/0005 ,  H04N1/00063 ,  H04N1/00082 ,  H04N1/00708 ,  H04N1/00737 ,  H04N1/4097

Abstract: PROBLEM TO BE SOLVED: To specify a position at which the quality of the read image of an original declines.
SOLUTION: When determining that an original is not present, a CPU moves a full rate carriage and a half rate carriage by driving a motor not shown in the figure and executes scanning (step 103). Thus, dust detection data outputted from a comparator circuit are held by a result holding circuit. Then, the CPU determines the presence/absence of line noise on the basis of the dust detection data held in the result holding circuit (step 104). Then, when determining that the line noise is present, the CPU acquires the generation start position and length (number of pixels) of the line noise and stores the generation start position and the length in the result holding circuit (step 105).
COPYRIGHT: (C)2010,JPO&INPIT

Abstract translation: 要解决的问题：指定原稿的读取图像的质量下降的位置。 解决方案：当确定原稿不存在时，CPU通过驱动图中未示出的电动机来执行扫描（步骤103）来移动全速率车厢和半速率车厢。 因此，从比较电路输出的尘埃检测数据由结果保持电路保持。 然后，CPU基于保存在结果保持电路中的尘埃检测数据来确定线路噪声的存在/不存在（步骤104）。 然后，当确定存在线路噪声时，CPU获取线路噪声的生成开始位置和长度（像素数），并将生成开始位置和长度存储在结果保持电路中（步骤105）。 版权所有（C）2010，JPO＆INPIT

公开(公告)号：JP2009135914A

公开(公告)日：2009-06-18

申请号：JP2008279799

申请日：2008-10-30

Applicant: Canon Electronics Inc ,  キヤノン電子株式会社

Inventor： SASHITA MINORU ,  OKITSU KATSUHIKO ,  HASEGAWA YOJI

IPC: H04N1/19 ,  G06T1/00 ,  H04N1/00

CPC classification number: H04N1/00681 ,  H04N1/00708 ,  H04N1/00737 ,  H04N1/00755 ,  H04N1/203 ,  H04N1/2032 ,  H04N2201/0081

Abstract: PROBLEM TO BE SOLVED: To provide an image reading apparatus capable of increasing the detection accuracy of the size of an original and being reduced in size and in cost, by eliminating the need for an image sensor that is dedicated to the detection of the size of the original. SOLUTION: An image reading apparatus includes a first light source 110, disposed on one side of a transport path of an original for irradiating light on one surface of the original; a reading unit 1a for reading the image of the original, by receiving light irradiated from the first light source 110 and reflected on the one side of the original; a second light source 210, disposed on the other side of the transport path for irradiating light to be received by the reading unit 1a; and a control unit for detecting the original, on the basis of a resultant output of the reading unit 1a upon receipt of the light irradiated from the second light source 210. COPYRIGHT: (C)2009,JPO&INPIT

Abstract translation: 要解决的问题：为了提供能够增加原稿的尺寸的检测精度并且在尺寸和成本上减小的图像读取装置，通过消除对专用于检测的图像传感器的需要 原来的大小。 解决方案：图像读取装置包括：第一光源110，设置在原件的传送路径的一侧，用于在原件的一个表面上照射光; 读取单元1a，用于通过接收从第一光源110照射并在原件的一侧反射的光来读取原稿的图像; 第二光源210，设置在用于照射由读取单元1a接收的光的传送路径的另一侧; 以及控制单元，用于基于从第二光源210照射的光接收到的读取单元1a的合成输出来检测原稿。（C）2009，JPO＆INPIT

公开(公告)号：JP4237441B2

公开(公告)日：2009-03-11

申请号：JP2002020809

申请日：2002-01-30

Applicant: ゼロックス コーポレイションXerox Corporation

Inventor： エル．ファレル バーバラ

IPC: G06T1/00 ,  G06T7/60 ,  H04N1/00 ,  H04N1/04

CPC classification number: H04N1/00702 ,  H04N1/00681 ,  H04N1/00708 ,  H04N1/00718 ,  H04N1/00737 ,  H04N1/00745

Abstract: A method for identifying document edges collects a predetermined number scanlines of the document. Both first order and second order statistics are then calculated based on the scanned data. A first slope value being a function of the difference between a plurality of the first value and a second slope value being a function of the difference between a plurality of the second value are calculated. A document edge is detected using the first and second slope values.

公开(公告)号：JP2007013468A

公开(公告)日：2007-01-18

申请号：JP2005190483

申请日：2005-06-29

Applicant: Sharp Corp ,  シャープ株式会社

Inventor： KUBOTA HIROTAKA ,  HIGASHIURA MASAKI

IPC: H04N1/04 ,  G03G15/36 ,  G03G21/00 ,  H04N1/387

CPC classification number: H04N1/00681 ,  H04N1/00687 ,  H04N1/00708 ,  H04N1/00734 ,  H04N1/00779 ,  H04N1/00782 ,  H04N1/00795 ,  H04N1/00801 ,  H04N1/00816 ,  H04N1/00822

Abstract: PROBLEM TO BE SOLVED: To provide an image scanner and an image recording apparatus which read at once a plurality sheets of a draft laid on a draft table for processing. SOLUTION: When sensor output of a draft detection sensor or a draft size detection sensor is acquired (S11), a number of draft sheets laid on the draft table is counted (S12). When a plurality of drafts is discriminated to be laid on the draft table (S13: YES), a control unit performs setting of a reading order (S14), and performs reading processing of the draft according to the established reading order (S15). When finish of all draft reading is discriminated (S16: YES), the control unit performs setting of an output system (S17), and executes the output processing (S18). COPYRIGHT: (C)2007,JPO&INPIT

Abstract translation: 要解决的问题：提供一种图像扫描器和图像记录装置，其立即读取放置在草稿台上的多张草稿，用于处理。

解决方案：当获取吃水检测传感器或吃水尺寸检测传感器的传感器输出时（S11），计数放置在草图台上的多张草稿纸（S12）。 当判断出多个草稿被放置在草稿台上（S13：是）时，控制单元执行读取顺序的设定（S14），并根据建立的读取顺序进行草图的读取处理（S15）。 当判定出所有草稿读取的结束时（S16：是），控制单元执行输出系统的设定（S17），并执行输出处理（S18）。 版权所有（C）2007，JPO＆INPIT