JP2005354162A - Image reading apparatus and image reading method - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide an image reading apparatus and an image reading method capable of easily reading an image again by resetting an optimum reading condition at re-reading of an original. <P>SOLUTION: The image reading apparatus is configured to include: a reading section 2 for reading the original; a reading condition setting section 1 for setting the reading condition of the original by the reading section 2; an image data storage section 3 for storing the original image read by the reading section 2 and the reading condition set by the reading condition setting section 1 in pairs; and a reading condition call section 5 for calling the reading condition of the original whose re-reading is needed from the image data storage section 3 when the original is again read. <P>COPYRIGHT: (C)2006,JPO&NCIPI

Description

  The present invention relates to an image reading apparatus and an image reading method that set an image reading condition, read an image, and store the image.

  In general, an image reading apparatus first sets a reading condition, reads an image under the condition, and stores the image in a storage device such as a memory / hard disk. Then, the stored image can be called up from the storage device and referenced as necessary.

  Here, (Patent Document 1) stores history information such as document reading conditions, transmission conditions, and transmission destinations as shown in FIG. 7, and uses the history information as necessary to restore the system. As an arrangement for improving workability at the time of use and workability such as confirmation of usage status and maintenance when an abnormality occurs, an image is connected to the LAN 600 that performs network communication according to a predetermined communication protocol, and the read image information is transferred onto the LAN 600 The scanner device is connected to the LAN 600 with the CPU 501 that executes document reading control and communication control, and the LAN control unit 508 that transfers the read image information to the LAN 600 and receives information from the receiving side. Communication, such as destination information and reading conditions of the other party on the LAN 600 System Preparative history information with the scanner apparatus 500 to a network corresponding with a RAM504,505,506 stored is disclosed. According to this, the network compatible scanner improves the workability when reusing the system by saving history information such as document reading conditions and transmission conditions / destination when communication is completed. It just saves it and makes it reusable. Refer to the actually read image data, and when reading again for reasons such as not being read correctly, store the image data and its reading conditions in association with each other and save the image data. When it is determined in the reference operation that reading is necessary again, the appropriate reading conditions can be quickly reused by calling the reading conditions stored together.

In Patent Document 2, as shown in FIG. 8, a document image is placed on the CCD 700 and the moving mechanism so as to shorten the return time without adjusting the image reading conditions when returning from the energy saving mode as shown in FIG. 8. In the image reading apparatus in which the image reading conditions such as the black level and the white level of the photoelectrically converted image signal can be set by the photoelectric reading unit 701 including an optical system, the image reading conditions are set when the mode is shifted to the energy saving mode. Means for setting is provided in the reading unit, and means for storing the set image reading conditions is provided in the control unit 702. An image reading apparatus is disclosed that sets the stored image reading conditions and reads an image when returning from the energy saving mode. According to this, when shifting to the energy saving mode, the reading conditions set in the reading condition setting device are once saved, and when returning from the energy saving mode, the saved reading conditions are restored to the reading condition setting device. Is set.
JP-A-11-331469 JP 2003-219127 A

However, if the document disclosed in (Patent Document 1) is not properly read as a result of calling and referring to the document scanner (a document scanner that continuously reads a large number of documents, several of the documents are This is especially true if the image data is not read.) Even if you look at the stored image data, you cannot recognize the reading conditions when reading the image data. The problem was that it took time to determine the conditions.

  Also, what is disclosed in (Patent Document 2) is different from that disclosed here in which an image reading operation has not yet occurred and a reading condition related to the image data which is the requirement is called.

  The problem to be solved by the present invention is that an image that could not be read properly cannot be read again by easily setting the reading conditions.

  The present invention solves the above problem, and includes a reading unit that reads a document, a reading condition setting unit that sets a reading condition of the document by the reading unit, a document image read by the reading unit, and a reading condition. The image data storage unit stores the data in pairs.

  With this configuration, the reading condition data is called from the image data storage unit and the reading condition is reset in the reading condition setting unit, so that it is possible to read an image that could not be read properly.

  The present invention has the above-described configuration, and by making it possible to reset the reading condition when the original is read, it is possible to easily change only a necessary part from the reading condition and quickly read it again.

  The invention according to claim 1 of the present invention is set by a reading unit that reads a document, a reading condition setting unit that sets a reading condition of the document by the reading unit, a document image read by the reading unit, and a reading condition setting unit And an image data storage unit that stores a pair of the read-out reading conditions, and the original image and the reading conditions of the original at the time of reading can be stored together. This has the effect of easily grasping the original reading conditions.

  According to the second aspect of the present invention, a reading unit that reads a document, a reading condition setting unit that sets a reading condition of the document by the reading unit, a document image read by the reading unit, and a reading set by the reading condition setting unit An image data storage unit that stores a pair of conditions and a reading condition calling unit that calls a reading condition of a document that needs to be read again from the image data storage unit when the document is read again Since it is a reading device and can read the reading conditions of the read original image, it is possible to quickly read the original that has not been properly read again under the optimal reading conditions, and to reproduce the original similar to the original to be read If the image is saved, it can be scanned under the same conditions, saving time and making a quick scan. Can determine the conditions, an effect that it is possible to obtain a good read image.

  According to a third aspect of the present invention, in the first or second aspect of the invention, the reading condition setting unit is an image reading device that resets the reading condition of the original, and the original that has not been read properly is read again. Since reading can be set and re-reading can be performed, there is an effect that reading suitable for each original can be performed.

The invention described in claim 4 is a reading unit for reading a document, a reading condition setting unit for setting a reading condition of a document by the reading unit, a document image read by the reading unit, and a copy set by the reading condition setting unit. An image reading method comprising: image data storing means for storing a pair of conditions; and reading condition calling means for calling a reading condition of a document that needs to be read again from the image data storing means when the document is read again. Since it is possible to quickly grasp the reading condition of the original that has not been properly read and to set the re-reading condition, it is possible to obtain an excellent read image.

  The invention according to claim 5 of the present invention is the image reading method according to claim 4, wherein the reading condition setting means resets the reading condition of the original, and can reset the reading condition suitable for the original. Therefore, there is an effect that a good read image can be obtained.

  Embodiments of the present invention will be described below.

  1 is a block diagram showing an image reading apparatus according to an embodiment of the present invention, FIG. 2 is a functional block diagram showing a reading function in the image reading apparatus of FIG. 1, and FIG. 3 is a document image in the image reading apparatus of FIG. 4 is a diagram showing a screen for resetting the reading conditions in FIG. 1, FIG. 5 is a flowchart at the time of initial image reading, and FIG. 6 is a flowchart at the time of image re-reading.

  Next, an image reading apparatus according to an embodiment of the present invention will be described with reference to FIGS.

  In FIG. 1, reference numeral 101 denotes a transparent platen glass provided in a conveyance path (not shown) for feeding a document 102 in the direction of an arrow indicated by a two-dot chain line in the figure. The image is read while being conveyed. Reference numeral 103 denotes a light source unit (lamp unit) which will be described later. An image reading unit 104 includes an optical system including a plurality of mirrors 105 (not shown). The light source unit 103 irradiates the reading surface of the document 102 on the document table glass 101 with light. And an optical system for allowing the image to be incident on the document detection unit through an optical path indicated by a one-dot chain line in the drawing via the mirror 105. The image reading unit 104 includes a line image sensor 107 and an optical lens 106 that focuses light from the mirror 105 on the line image sensor 107.

  In FIG. 2, 1 is a reading condition setting means for setting reading conditions such as monochrome / color discrimination and brightness when reading an image, 2 is an image reading means for actually reading an image, and 3 is read image data. And image data storage means for storing the reading condition data, 4 is an image data display means for displaying the image data stored in the image data storage means 3, and 5 is a reading condition by calling the stored reading condition data. It is a reading condition calling unit for setting in the setting unit 1.

  Next, the operation of the image reading apparatus having such a configuration will be described with reference to FIGS.

  In FIG. 5, when a new image is read, first, an image reading condition considered to be suitable for the original image is set in the reading condition setting means (reading condition setting unit) 1 (step S100). Here, the reading conditions indicate resolution, brightness, contrast, color, gray, and the like.

  Next, an image is read by the reading means (reading unit) 2 under the set reading conditions (step S110). At that time, the read image data, reading condition data, and other detailed information are stored in the image data storage means (image data storage unit) 3 in the format shown in FIG. 3 (step S120). Usually, the image reading apparatus is provided with a display device such as a CRT, and the image data display means 4 displays the image and reading condition data stored in the image data storage means 3.

  Normally, the image reading process is performed after the image reading process is performed, and the display of the image is confirmed. Do. At this time, by selecting a button (not shown) displayed on the screen for the stored reading condition data, it is called by the reading condition calling means (reading condition calling unit) 5 and only necessary conditions are changed. Thus, it is possible to easily set a more optimal reading condition.

  When reading another new image, the image data display means 4 searches for similar image data, and the reading condition data is called to the reading condition setting means 1 by the reading condition calling means 5 and only necessary conditions are read. It is possible to easily set an optimum reading condition by changing.

  Here, in FIG. 6, the reading condition data stored in the image data storing means 3 is called to the reading condition setting means 1 by the reading condition calling means 5 (step S200). Next, on the reading condition reset screen as shown in FIG. 4, necessary conditions are changed to set a more optimal reading condition (step S210). Thereafter, as in the flowchart shown in FIG. 5, the reading unit 2 reads an image under the conditions (step S220). The read image data is stored together with the reading condition data (step S230).

  From the above, the image reading apparatus according to the embodiment of the present invention can easily set the reading condition when reading the stored image data in the reading condition setting unit, so that the reading condition can be easily set. Only necessary parts are changed and rereading is possible quickly.

  In addition, when it is desired to read new image data similar to the stored image data, the appropriate image data is easily read by calling the reading condition data of the image data and setting it in the reading condition setting means. be able to.

  The image reading apparatus of the present invention is useful for a filing apparatus, a personal computer installed with filing software, a scanner apparatus, a digital multifunction peripheral, and a digital copying machine.

1 is a configuration diagram illustrating an image reading apparatus according to an embodiment of the present invention. 1 is a functional block diagram showing a reading function in the image reading apparatus of FIG. The figure which shows the reading conditions of each original image in the image reading apparatus of FIG. The figure which shows the screen which resets the reading condition of FIG. Flowchart at the time of initial image reading in the image reading apparatus of FIG. Flowchart at the time of image rereading in the image reading apparatus of FIG. The figure which shows the conventional image reading system A diagram showing a conventional image reading apparatus

Explanation of symbols

1 Reading condition setting means (Reading condition setting section)
2 Reading means (reading unit)
3 Image data storage means (image data storage unit)
4 Image data display means 5 Reading condition calling means (reading condition calling section)
DESCRIPTION OF SYMBOLS 101 Document glass 102 Document 103 Light source part 104 Image reading part 105 Mirror 106 Optical lens 107 Line image sensor

Claims (5)

A reading unit that reads a document, a reading condition setting unit that sets a reading condition of a document by the reading unit, and a document image read by the reading unit and a reading condition set by the reading condition setting unit are stored in pairs. An image reading apparatus comprising: A reading unit that reads a document, a reading condition setting unit that sets a reading condition of a document by the reading unit, and a document image read by the reading unit and a reading condition set by the reading condition setting unit are stored in pairs. An image reading apparatus comprising: an image data storage unit to be read; and a reading condition calling unit that calls a reading condition of a document that needs to be read again from the image data storage unit when the document is read again. The image reading apparatus according to claim 1, wherein the reading condition setting unit resets a reading condition of a document. A reading unit that reads a document, a reading condition setting unit that sets a reading condition of a document by the reading unit, and a document image read by the reading unit and a reading condition set by the reading condition setting unit are stored in pairs. An image reading method comprising: an image data storing unit for reading, and a reading condition calling unit for calling a reading condition of a document that needs to be read again from the image data storing unit when the document is read again. 5. The image reading method according to claim 4, wherein the reading condition setting unit resets a reading condition of the original.

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