WO2005088956A1 - 画像処理装置及び方法及びキャリアシート - Google Patents
画像処理装置及び方法及びキャリアシート Download PDFInfo
- Publication number
- WO2005088956A1 WO2005088956A1 PCT/JP2005/003941 JP2005003941W WO2005088956A1 WO 2005088956 A1 WO2005088956 A1 WO 2005088956A1 JP 2005003941 W JP2005003941 W JP 2005003941W WO 2005088956 A1 WO2005088956 A1 WO 2005088956A1
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- WIPO (PCT)
- Prior art keywords
- image
- reference line
- instruction mark
- carrier sheet
- mark
- Prior art date
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Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
- H04N1/00681—Detecting the presence, position or size of a sheet or correcting its position before scanning
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
- H04N1/0035—User-machine interface; Control console
- H04N1/00352—Input means
- H04N1/00355—Mark-sheet input
- H04N1/00358—Type of the scanned marks
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
- H04N1/0035—User-machine interface; Control console
- H04N1/00352—Input means
- H04N1/00355—Mark-sheet input
- H04N1/00368—Location of the scanned marks
- H04N1/00374—Location of the scanned marks on the same page as at least a part of the image
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
- H04N1/00681—Detecting the presence, position or size of a sheet or correcting its position before scanning
- H04N1/00684—Object of the detection
- H04N1/00708—Size or dimensions
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
- H04N1/00681—Detecting the presence, position or size of a sheet or correcting its position before scanning
- H04N1/00684—Object of the detection
- H04N1/00718—Skew
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
- H04N1/00681—Detecting the presence, position or size of a sheet or correcting its position before scanning
- H04N1/00763—Action taken as a result of detection
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
- H04N1/00795—Reading arrangements
- H04N1/00798—Circuits or arrangements for the control thereof, e.g. using a programmed control device or according to a measured quantity
- H04N1/00822—Selecting or setting a particular reading mode, e.g. from amongst a plurality of modes, simplex or duplex, or high or low resolution
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
- H04N1/00962—Input arrangements for operating instructions or parameters, e.g. updating internal software
- H04N1/00968—Input arrangements for operating instructions or parameters, e.g. updating internal software by scanning marks on a sheet
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
- H04N1/04—Scanning arrangements, i.e. arrangements for the displacement of active reading or reproducing elements relative to the original or reproducing medium, or vice versa
- H04N1/0402—Scanning different formats; Scanning with different densities of dots per unit length, e.g. different numbers of dots per inch (dpi); Conversion of scanning standards
- H04N1/0405—Different formats, e.g. A3 and A4
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
- H04N1/04—Scanning arrangements, i.e. arrangements for the displacement of active reading or reproducing elements relative to the original or reproducing medium, or vice versa
- H04N1/0402—Scanning different formats; Scanning with different densities of dots per unit length, e.g. different numbers of dots per inch (dpi); Conversion of scanning standards
- H04N1/042—Details of the method used
- H04N1/0437—Tilting an array with respect to the main or sub scanning direction
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
- H04N1/04—Scanning arrangements, i.e. arrangements for the displacement of active reading or reproducing elements relative to the original or reproducing medium, or vice versa
- H04N1/203—Simultaneous scanning of two or more separate pictures, e.g. two sides of the same sheet
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
- H04N1/04—Scanning arrangements, i.e. arrangements for the displacement of active reading or reproducing elements relative to the original or reproducing medium, or vice versa
- H04N1/203—Simultaneous scanning of two or more separate pictures, e.g. two sides of the same sheet
- H04N1/2032—Simultaneous scanning of two or more separate pictures, e.g. two sides of the same sheet of two pictures corresponding to two sides of a single medium
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
- H04N1/387—Composing, repositioning or otherwise geometrically modifying originals
- H04N1/3876—Recombination of partial images to recreate the original image
Definitions
- the present invention relates to an image processing apparatus and method, and a carrier sheet, and in particular, to image processing for accurately reading an original having a size larger than a readable original and obtaining a composite image without setting a reading mode.
- the present invention relates to an apparatus and a method and a carrier sheet used therefor.
- the size of a readable document (for example, A4 size) is larger (for example, A3 size) mainly in terms of the installation area of the scanner.
- A4 size for example, A4 size
- A3 size for example, A3 size
- a method of reading a manuscript (version) has been proposed (for example, see Patent Document 1). In this example, after one document is folded in half and the image is read, the images are combined to obtain the original one image.
- Patent document 1 JP-A-7-283933
- Patent Document 2 JP-A-11-32160
- the present invention provides an image processing apparatus that accurately reads a document having a size larger than a readable document using a carrier sheet and obtains a combined image without setting a reading mode. With the goal.
- the present invention also provides an image processing method for accurately reading a document having a size larger than the size of a readable document using a carrier sheet and obtaining a combined image without setting a special reading mode.
- the purpose is to provide.
- the present invention provides a carrier sheet used for accurately reading a document having a size larger than a readable document size and obtaining a composite image without a special reading mode setting process.
- the purpose is to:
- the image processing apparatus of the present invention includes an image reading unit that reads a front image and a back image from the front and back surfaces of a medium, respectively, and a combining instruction that exists at a predetermined position of at least one of the front image and the back image.
- a mark detection unit that detects a mark, and when the combining instruction mark is detected, combines a front cutout image and a backside cutout image cut out from predetermined positions of the front surface image and the backside image in a predetermined direction.
- An image synthesizing unit for obtaining one image.
- the image processing method of the present invention reads a front surface image and a back surface image from the front surface and the back surface of a medium, respectively, and detects a combining instruction mark existing at a predetermined position in at least one of the front surface image and the back surface image.
- the combination instruction mark is detected, the front side cut image and the back side cut out image cut out from predetermined positions of the front side image and the back side image are displayed. Combine to get one image.
- the carrier sheet of the present invention is a rectangular sheet for sandwiching a sheet therebetween, and is composed of two sheets having at least one side fixed to each other.
- Each of the two sheets is a vertical reference line that determines a reference position in the transport direction, or at least one of a horizontal reference line that is orthogonal to the vertical reference line and determines a reference in a direction orthogonal to the transport direction,
- a document area consisting of a colorless and transparent outer surface matted area having at least one side defined by the vertical or horizontal reference line, and at least one side defined by the vertical or horizontal reference line
- At least one of the two sheets includes a combining instruction mark drawn in the frame area.
- a front image and a back image are combined into one image by detecting a combination instruction mark drawn at a position other than the position where the document on the carrier sheet is sandwiched. can do. Therefore, there is no need to perform a setting operation for distinguishing between a normal double-sided original reading mode (split mode) and a mode in which the document is folded and read and combined (combined mode). In addition, since there is no need to switch the mode, it is possible to continuously read a mixture of a normal double-sided original (folded in half, a original) and a half-folded original.
- the carrier sheet of the present invention since the portion sandwiching the original is matted, light for reading is reflected on the surface of the carrier sheet unlike a transparent and non-matted carrier sheet. An image that does not pass too long can be read clearly, and since the rollers are not slipped on the surface of the carrier sheet and the conveyance is stable, the image can be read clearly.
- FIG. 1 is a configuration diagram of an image processing apparatus.
- FIG. 2 is an external view of an image processing apparatus.
- FIG. 3 is a schematic configuration diagram of the image processing apparatus.
- FIG. 4 is an explanatory diagram of image processing.
- FIG. 6 is an explanatory view of a carrier sheet.
- FIG. 7 is an explanatory diagram of image processing.
- FIG. 8 is an explanatory diagram of image processing.
- FIG. 9 is an explanatory diagram of image processing.
- FIG. 10 is an explanatory diagram of image processing.
- FIG. 11 is an explanatory diagram of image processing.
- FIG. 12 is an image processing flow.
- FIG. 13 is an explanatory view of a carrier sheet.
- [14] is an explanatory view of a carrier sheet.
- FIG. 16 is an explanatory view of a carrier sheet.
- FIG. 1 is a configuration diagram of the image processing apparatus, and shows the configuration of the image processing apparatus of the present invention.
- image The processing device includes an image reading unit 3 and an image processing unit 4 connected thereto.
- the image reading unit 3 also has the power of an image reading device such as a scanner.
- the image processing unit 4 is, for example, a personal computer connected to the image reading unit 3.
- the image reading section 3 reads a front side image and a back side image from the front side and the back side of the medium (1, 2), respectively, and transmits them to the image processing section 4.
- the medium is a force consisting of the original 2 (21) folded in two and sandwiched by the carrier sheet 1 or a normal original 2 (not sandwiched by the carrier sheet 1).
- Document 2 folded in half is a double-sided document in which images are present on both the front and back sides by being folded in half.
- Normal original 2 is a two-sided original with images drawn on both sides. According to the present invention, the image reading unit 3 does not need to distinguish between these two types of originals 2.
- the image processing unit 4 performs a predetermined process on the image data received from the image reading unit 3.
- a scanner (hereinafter, also referred to as a scanner 3) as the image reading unit 3 is formed integrally with the sheet feeding device as shown in FIGS.
- the scanner 3 shown in FIGS. 2 and 3 is an example of the image reading unit 3.
- the image reading unit 3 may be formed integrally with the image processing unit 4.
- the present invention is not limited to an image processing apparatus including the scanner 3, but can be applied to an image processing apparatus such as a copier and a facsimile.
- the paper feeding device includes a paper mounting table (shutter) 31, a pick roller 32, a pick arm 33, a separation pad 34, feed rollers 35 and 36, and discharge rollers 37 and 38.
- the two-dot chain line indicates the transport path of the medium (1, 2; hereinafter, may be simply referred to as “document 2”).
- An original 2 or an original 2 folded in two and sandwiched between carrier sheets 1 is transported along the transport path.
- the scanner is provided with line sensors 39 and 310, respectively, which also have a well-known CCD (Charge Coupled Device) force in order to read images on the front and back surfaces of the document 2.
- CCD Charge Coupled Device
- the line sensors 39 and 310 are separated by a distance d in the direction of the transport path so that reading on both front and back sides can be performed substantially simultaneously without any trouble. Therefore, the actual start and end times of reading both sides are slightly different.
- the special line sensors 39 and 310 indicate the approximate position.
- the maximum size of the original 2 that can be read by the scanner as the image reading unit 3 is A4 size, and the width thereof is a predetermined value W. Therefore, the width of the paper table 31 is larger than W Slightly wider.
- FIG. 2 shows the approximate width.
- the original 2 placed on the paper placing table 31 is picked up by the pick roller 32 with an appropriate pressing force applied by the pick arm 33. At this time, the original 2 is separated one by one from the lower side by the pick roller 32 and the separation pad 34.
- the picked original 2 is further conveyed by pick rollers 32 to feed rollers 35 and 36, conveyed to feed positions by feed rollers 35 and 36, and discharged by discharge rollers 37 and 38.
- the image of the original 2 is read by the line sensors 39 and 310 at the reading position. That is, in the single-sided reading mode, the image on the front side of the document 2 is read by, for example, the line 39 (or the line sensor 310).
- the double-sided reading mode the images on the front and back sides of the document 2 are read substantially simultaneously by the line sensors 39 and 310 (referred to as a split mode for convenience), or folded into two to form the carrier sheet 1.
- the image forces on the front and back surfaces of the sandwiched original 2 (21) are read substantially simultaneously by the line sensors 39 and 310, respectively (for convenience, referred to as a combining mode).
- the single-sided reading mode or the double-sided reading mode is set by the user prior to reading.
- the scanner as the image reading unit 3 does not distinguish between the split mode and the combining mode. That is, in the double-sided reading mode, there is no function of distinguishing between the two (setting the distinction).
- the original 2 having a size that can be read by the scanner serving as the image reading unit 3 is originally an original 21 that is half the size of the large original 2 shown in FIG. 4A.
- the readable document 21 is an A4-size document whose short side has a standard value W as shown in FIG.
- the scanner 3 can also read the original 2 which is twice as large as the original 21 which can be read.
- the scanner 3 in this example can read up to the A2 size original 2, which is twice the size of the readable A4 size original 2.
- the length of the long side of the A3 size original 2 is the standard value 2W, which is twice the standard value W of the short side length of the A4 size original 21.
- the A3 original 2 twice as large as the A4 original 21 is a two-fold original 21 as shown in FIG. 4B. That is, the width equal to the size of the A4 original 21 is W. Images on both sides of the two-fold original 21 are read using the carrier sheet 1 described later. This results in Figure 4 ( As shown in C), two pieces of image data 471 and 472 are obtained.
- the image data 471 is referred to as a front image or front image data
- the image data 472 is referred to as a back image or back image data (or vice versa).
- the image processing section 4 synthesizes the front side image data 471 and the back side image data 472 to obtain one piece of image data 48 as shown in FIG. 4 (D).
- the carrier sheet 1 As shown in FIG. 5, the carrier sheet 1 basically has a rectangular shape that is long in the vertical direction (transport direction) and has a colorless and transparent film strength.
- the material of the carrier sheet 1 is, for example, a colorless and transparent polyester film, and its total light transmittance is, for example, 90%. Polyester film is suitable for such applications because of its high flexibility. That is, even when the document is picked by the picking roller 32 and when the document is separated by the separation pad 34, the document can be handled in the same manner as the document 2 without being twisted.
- the carrier sheet 1 has two sheets having at least one side (for example, the bottom side in FIG. 6 (A)) fixed to each other by, for example, an adhesive or the like.
- the two sheets 17, 18 do not have to be completely identical in shape. For example, the shape may be different in an opaque frame region 12 described later.
- One side of the two sheets 17 and 18 may not be entirely bonded. For example, at the center of the bottom, a part may not be bonded.
- the carrier sheet 1 is a sheet for holding the document 2 therebetween.
- the outer surfaces 17A and 18A when the original 2 (folded original 21) is sandwiched between at least the original area 11 of the two sheets 17 and 18 have the predetermined roughness. Matted by being polished. That is, it is not a mirror surface. For example, (60 °) specular gloss power is 25%.
- the light incident on the outer surfaces 17A and 18A is slightly irregularly reflected in proportion to the degree of the roughness. By slightly roughening the surfaces of the outer surfaces 17A and 18A, it is possible to prevent the light for reading from being excessively reflected on the surface of the carrier sheet 1 (the outer surfaces 17A and 18A).
- the inner surfaces 17B and 18B It is not erased. That is, the mirror surface is maintained. Since the inner surfaces 17B and 18B are flat, they are in close contact with the surface of the two-fold paper 21 (2) sandwiched therebetween (a gap is provided in FIG. 6 (B) for convenience of explanation). Accordingly, the light incident on the inner surfaces 17B and 18B is transmitted through the two sheets 17 and 18 without being disturbed, and is reflected on the surface of the two-fold paper 21 without being disturbed. Thus, the image on the surface of the two-fold paper 21 can be read without being disturbed.
- each of the two sheets 17 and 18 includes at least one of a document area 11, a frame area 12, a vertical reference line 13, and a horizontal reference line 14.
- both the vertical reference line 13 and the horizontal reference line 14 are provided.
- the vertical reference line 13 and the horizontal reference line 14 are made to completely overlap (coincide) when the two sheets 17 and 18 are overlapped to form the carrier sheet 1. That is, when the carrier sheet 1 is developed with its bottom side as an axis, the vertical reference line 13 and the horizontal reference line 14 are line-symmetric. Therefore, in the two sheets 17 and 18, the document area 11 and the frame area 12 are also completely overlapped.
- the manuscript area 11 is an area where the manuscript 21 should be positioned between the carrier sheets 1, and at least one side thereof is defined by the vertical reference line 13 or the horizontal reference line 14 (and the upper reference line 16). Consists of a transparent matte outer surface. In this example, two sides are defined by the vertical reference line 13 and the horizontal reference line 14. The outer surface of at least the document area 11 is matted for the reason described later. In this example, the manuscript area 11 has a size corresponding to the A4 size.
- the frame area 12 also has an opaque area force whose at least one side is defined by the vertical reference line 13 or the horizontal reference line 14. In this example, two sides are defined by the vertical reference line 13 and the horizontal reference line 14.
- the frame area 12 is colored and opaque suitable for its background color so that the read vertical reference line 13, horizontal reference line 14, and combination instruction mark 15 can be more easily identified. Therefore, the frame area 12 is not provided on the four sides of the carrier sheet 1 but provided on two sides where the vertical reference line 13 and the horizontal reference line 14 are drawn.
- the frame area 12 is made white and opaque by applying a white ink, for example.
- the white ink is, for example, an ink having a color close to the white reference for reading.
- the white ink is applied to the inner surfaces 17B, 18B of the two sheets 17,18.
- the vertical reference line 13 etc. of the following black ink is also used for the inner surfaces 17B, 18 B is drawn.
- the frame region 12 (in the vertical direction) also exists between one side of the carrier sheet 1 and the vertical reference line 13. Also, on the opposite side of the vertical frame area 12, if the folding sheet 21 is correctly sandwiched between the carrier sheets 1, there is actually a margin of a predetermined width. Therefore, the width of the carrier sheet 1 is slightly wider (for example, less than about 1 cm) than the standard value W of the short side of the A4 size document 21.
- the vertical reference line 13 defines a reference position in the transport direction. That is, the vertical reference line 13 is a line drawn in black in the vertical direction, that is, the transport direction (black ink, the same applies hereinafter), defines the document area 11, and defines the vertical boundary between the document area 11 and the frame area 12. Determine.
- the vertical reference line 13 is also used as a criterion for synthesizing images by the image synthesizing unit 44, and is therefore also used as a criterion for image segmentation. Therefore, the vertical reference line 13 is not provided on the two vertical (longitudinal) sides of the carrier sheet 1, but is provided only on one vertical side in parallel with the two sides.
- the black ink is, for example, a color ink which is close to the black reference for reading (the same applies hereinafter).
- the horizontal reference line 14 is orthogonal to the vertical reference line 13 and defines a reference in a direction orthogonal to the transport direction. That is, the horizontal reference line 14 is a line drawn in black in the horizontal direction which is a direction perpendicular to the vertical direction, defines the document area 11, and determines the horizontal boundary between the document area 11 and the frame area 12.
- the horizontal reference line 14 is not provided on the two sides (width direction) of the carrier sheet 1, but is provided only on one side (for example, the bottom side) in the horizontal direction in parallel with the two sides.
- the space between the horizontal reference line 14 and the adjacent side (bottom side) of the carrier sheet 1 is widened to provide the combining instruction mark 15. That is, the width of the frame area 12 between the horizontal reference line 14 and the adjacent side of the carrier sheet 1 is sufficiently larger than the width of the frame area 12 between the vertical reference line 13 and the adjacent side of the carrier sheet 1. To be widely used.
- At least one of the two sheets 17 and 18 includes a combining instruction mark 15 drawn in the frame area 12 (in the horizontal direction).
- the combining instruction mark 15 is drawn at a position along the horizontal reference line 14 in the frame area 12.
- both the two sheets 17 and 18 may be provided with the combining instruction mark 15.
- the combining instruction mark 15 of the two sheets 17 and 18 is made to completely overlap when the two sheets 17 and 18 are overlapped to form the carrier sheet 1. .
- the combining instruction mark 15 is usually shaped so as not to be drawn in the document area 11. This In the example shown in FIG. 5, as shown in FIG. 5, an extremely thick dotted line is formed over the entire area of the horizontal reference line 14. This makes it possible to clearly distinguish the horizontal reference line 14 from the horizontal reference line 14 and to reliably detect the combining instruction mark 15. Note that, by changing the pattern of the combining instruction mark 15, a predetermined meaning may be given like a barcode, so that various combining processes can be selectively executed.
- the frame area 12 or the area where the combination instruction mark 15 is drawn is used as an area for bonding the two sheets 17 and 18.
- This area has a certain size as can be seen in FIG. Therefore, by bonding the entire surface, the bonding strength between the two sheets 17 and 18 can be ensured.
- At least one force of the two sheets 17 and 18 is provided with an upper reference line 16 drawn in the document area 11.
- the upper reference line 16 is drawn in a direction along the side opposite to the horizontal reference line 14 in the document area 11.
- both of the two sheets 17 and 18 may be provided with the upper reference line 16.
- the upper reference line 16 of the two sheets 17 and 18 is made to completely overlap when the two sheets 17 and 18 are overlapped to form the carrier sheet 1.
- the carrier sheet 1 as described above is used as shown in FIG. First, an A3 size original 2 is folded in half at its center, and a folded original 21 is obtained. Next, the folded original 21 is sandwiched between the two sheets 17 and 18 of the carrier sheet 1. At this time, the fold 211 of the double-folded original 21 is aligned with the vertical reference line 13, and the bottom 212 of the double-folded original 21 is aligned with the horizontal and vertical reference line 14. As a result, the upper side 213 of the folded document 21 matches the upper reference line 16. As a result, the two-fold original 21 is correctly sandwiched between the carrier sheets 1. That is, in the carrier sheet 1, the two-fold original 21 is positioned in the original area 11 (in a narrow sense).
- the frame regions 12 of the two sheets 17 and 18 are adhered to a part of the side where the vertical reference line 13 is provided. That is, a part of the side (bottom side) of the side where the horizontal reference line 14 is provided, that is, the frame area 12 in a range where “OPEN” is not attached is bonded.
- the two-folded document 21 can be brought into contact with the bonded frame region 12 to easily sandwich the document at a predetermined position.
- the carrier sheet 1 sandwiching the two-fold original 21 is inserted into a scanner as the image reading unit 3 in the direction of arrow A shown in FIG. That is, the two sheets 17 and 18 of the carrier sheet 1 are inserted in a vertically elongated direction with the bonded sides at the top.
- Arrow A is the direction that corresponds to the transport direction in the scanner.
- the image processing unit 4 includes an image data receiving unit 41, a mark detecting unit 42, a tilt correcting unit 43, an image synthesizing unit 44, an image data storage unit 45, a synthesized image data storage unit 46, It consists of 49 image files.
- the image data receiving unit 41, the mark detecting unit 42, the tilt correcting unit 43, and the image synthesizing unit 44 are realized by executing the processing program existing on the main memory of the personal computer on the CPU. These processing programs can be supplied by power stored in a medium such as a CD-ROM or by downloading via a network.
- the image data receiving unit 41 receives the front image (data) 471 and the back image (data) 472 read from the front and back surfaces of the medium (document 2) from the image reading unit 3, and outputs the image data.
- Store in storage unit 45 the image data receiving unit 41 stores the front image 471 and the back image 472 in the image memories 451 and 452 constituting the image data storage unit 45, respectively, as shown in FIG.
- the positions of the line sensors 39 and 310 are separated by the distance d, when the front image 471 is received at the time tl, the back image 472 is received at the time tl + t (d). Is done.
- t (d) is the time required for document 2 or 21 to be transported by distance d. Therefore, the image data receiving unit 41 starts storing the front image 471 in the image memory 451 at the time tl from the address A, and stores the back image 472 in the image memory 452 at the time tl + t (d). Start from the same address A. As a result, basically, the original image can be obtained by simply combining the images in the image memories 451 and 452 at the same address.
- the mark detection unit 42 detects the combination instruction mark 15 existing at a predetermined position of at least one of the front surface image 471 and the back surface image 472.
- the front side image 471 and the back side image 472 are stored as shown in FIG. Therefore, the mark detection unit 42 first detects the horizontal reference line 14, and searches only between this and the head of the image. Since the horizontal reference line 14 is longer than the width W of the document, the horizontal reference line 14 is always a continuous area of the longest black pixels in the horizontal direction. Therefore, Yokoki Line 14 is easily detectable.
- the size and position of the combining instruction mark 15 are known. Accordingly, the mark detection unit 42 checks whether or not a black pixel area of the size exists at the position in the search area. This processing is executed for each of the front side image 471 and the back side image 472 (thus, only twice).
- the above-described search area is set in advance with a predetermined margin in consideration of the inclination of the document 2 or 21 or the like.
- the mark detecting unit 42 sets the front image 471 and the back image 472 as one individual image. At the time of reading, it is unknown whether manuscript 2 or two-fold manuscript 21. That is, according to the present invention, there is no need to be conscious. Since the combining instruction mark 15 is not detected, it is understood that the medium read for the first time is the original (duplex original) 2 on which images are drawn on both sides. This is not the subject of image composition. Therefore, the mark detection unit 42 creates a file for storing the front side image 471 and a file for storing the back side image 472 independently and stores them in the image file 49. Unnecessary line segments such as the vertical reference line 13 do not originally exist in the scanned image, so there is no problem with the image file as it is!
- the inclination correction unit 43 sets the front surface image 471 and the horizontal reference line 14 at predetermined positions of the front image 471 and the back image 472 as a reference.
- the inclination of the back side image 472 is corrected.
- the read surface image 471 is stored in the image memory 451, which is a bitmap memory, as shown in FIG. 9A.
- the horizontal reference line 14 is always a continuous area of the longest black pixels in the horizontal direction, and its (original) position is known. The same applies to the vertical reference line 13. Therefore, the vertical reference line 13 and the horizontal reference line 14 can be easily detected.
- the search area for this purpose is set in advance with a predetermined margin in consideration of the inclination and the like.
- the inclination correction unit 43 calculates the inclination of the vertical reference line 13 and the horizontal reference line 14 in the surface image 471 and averages them to calculate the inclination ⁇ ⁇ . Using this ⁇ , the inclination correction unit 43 corrects the inclination of the surface image 471 in the image memory 451 by a known means, and obtains the surface image 471 without the inclination as shown in FIG. 9B. The same applies to the back side image 472.
- the image combining unit 44 detects the combining instruction mark 15.
- the read medium is the two-fold original 21 sandwiched between the carrier sheets 1. This is the subject of the composition of the image. Therefore, as shown in FIGS. 10 and 11, the image synthesizing unit 44 synthesizes the front-side cut image and the back-side cut-out image, which also cut out the predetermined positional forces of the front-side image 471 and the back-side image 472, in a predetermined direction.
- One image is obtained and stored in the composite image data storage unit 46.
- the image synthesizing unit 44 first removes unnecessary images from the front image 471 and the back image 472. For example, as shown in FIG. 10, an image outside the vertical reference line 13 and the horizontal reference line 14 is deleted to obtain a front image 471 ′ and a back image 472 ′. Next, the image synthesizing unit 44 obtains an effective range in the front image 471 ′ and the back image 472 ′. For example, if the original image is an image like "A.” and is folded in two at the center of character A, the result is as shown in FIG. FIG. 10 shows only the effective range in the horizontal direction for convenience of description, but the same applies to the vertical direction (the same applies to the following).
- the width of the effective range in the front image 471 ′ is W2, and the width of the effective range in the back image 472 ′ is W1. Note that, in practice, the same result is obtained by omitting the deletion of the outer image and determining the effective range.
- the effective range of the image can be obtained by various known means.
- labeling may be used. That is, continuous black pixels are grouped together, a label is added to each group, and it is determined whether or not each label is an effective area (area constituting an image). Except for 13th grade, such as dust, and the area, except for the origin, the intersection of the vertical reference line 13 and the horizontal reference line 14 is the coordinate value of the black pixel with the largest coordinate in the effective area (more (A value larger by a predetermined value) is defined as an effective range. Or, except for the vertical reference line 13, etc., extract a continuous area of black pixels of a predetermined size, and use the largest coordinate value (larger ⁇ value by a predetermined value) among the pixels of the extracted area. Good range.
- the image synthesizing unit 44 selects the larger one of the effective ranges in the front image 471 ′ and the back image 472 ′.
- the width W2 of the effective range in the front image 471 ' is larger than the width W1 of the effective range in the back image 472'. Therefore, as shown in FIG. 11, the image synthesizing unit 44 selects the range 471, with a width W2 as the effective range in the front image 471 ′, and sets the width W2 (instead of W1) as the effective range in the back image 472 ′. Select a range of 47 2 ".
- the coordinates (X coordinates) defining the effective range in the horizontal direction are as follows: one (origin side) is the vertical reference line 13, and the other is the black pixel having the largest coordinate (far from the origin) in the effective area. This is the coordinate value.
- one of the coordinates (Y coordinate) that defines the effective range in the vertical direction is the horizontal reference line 14 on the one side (the origin side) and the other is the black (far from the origin, the largest) coordinate in the effective area. This is the coordinate value of the pixel.
- the image synthesizing unit 44 determines a fixed size that is larger and closest to the selected effective range as an image size.
- the effective range selected is the sum of the range 471 ′′ of the width W2 and the range 472 ′′ of the width W2.
- the standard size larger and closest to the area of the sum is, for example, an A3 plate having a width of 2 W. Therefore, the image synthesizing unit 44 synthesizes the image having the determined size into one image 48 using the front image 471 ′ ′′ and the back image 472 ′′.
- the area corresponding to the difference between the surface image 471 and the surface image 471 ′ ′′ is set to, for example, the background color of the image by the image synthesis unit 44.
- the image synthesizing unit 44 reads the front surface image 471 ′ ′′ and the back surface image 472 ′′, writes them in the corresponding positions (the positions corresponding to FIG. 11) of the synthetic image data storage unit 46 and
- the image combining unit 44 writes the background color data of the image in an area corresponding to the difference in the image file 49.
- the image combining unit 44 stores the combined image 48 as one file in the image file 49.
- FIG. 12 is an image processing flow, showing image processing in the image processing apparatus shown in FIG. 1 of the present invention.
- the scanner as the image reading unit 3 reads the image (image data) on both sides of the original 2 or the two-fold original 21 sandwiched between the carrier sheets 1 shown in FIG. S1), and transmits to the image data receiving unit 41 of the image processing unit 4.
- the image data receiving unit 41 stores the received image in the image data storage unit 45, as shown in FIG. That is, a front side image (data) 471 and a back side image (data) 472 are obtained in the image memories 451 and 452.
- the mark detection unit 42 checks whether or not the front side image 471 and the back side image 472 are read by the dedicated carrier sheet 1 (step S2). That is, in each of the front image 471 and the back image 472, it is checked whether or not the combining instruction mark 15 can be detected at a predetermined position. Both the front side image 471 and the back side image 472 were detected when the composite instruction mark 15 was detected.
- the mark detecting unit 42 separates one surface of the front surface image 471 and the back surface image 472 into one independent sheet. It is stored in the image file 49 as an image (image data) (step S3).
- the mark detecting unit 42 When the combining instruction mark 15 is detected for at least one of the front image 471 and the back image 472, that is, when reading is performed using the carrier sheet 1, the mark detecting unit 42 notifies the inclination correcting unit 43 of this. Receiving this notification, the inclination correction unit 43 calculates the inclination of the vertical reference line 13 and the horizontal reference line 14 for both the front image 471 and the rear image 472 (Step S4), and then calculates the front image 471 and the rear image 472. Are corrected (step S5). The tilt correcting unit 43 notifies the image synthesizing unit 44 of the end of the tilt correcting process.
- the image combining unit 44 searches for an effective range in the area of the original 2 or the original area 11 of the carrier sheet 1 for both the front side image 471 and the back side image 472 (step S6), determine the standard size according to the larger of the effective range of the front image 471 and the back image 472 (step S7), and cut out the front and back images of both sides of the front image 471 and the back image 472.
- the cut-out image is cut out to the synthesized image data storage unit 46 (Step S8), and the cut-out front side image and the back side cut-out image are combined into a single image, and this is combined into a single file as an image file.
- Store it in 49 step S9.
- the image synthesizing unit 44 notifies the image reading unit 3 of the end of the image synthesizing process.
- the image reading unit 3 Upon receiving this notification, the image reading unit 3 checks whether or not the next original 2 or 21 has a certain force (step S10). If there is no original 2 or 21, the process ends. If there is manuscript 2 or 21, repeat steps S1 and below.
- FIG. 13 is an explanatory view of a carrier sheet, showing an example of another carrier sheet 1 of the present invention.
- the carrier sheet 1 of this example one of the two sheets (for example, the sheet 18) has the combining instruction mark 15 drawn in the frame area 12, and the other of the two sheets (for example, the sheet 17) has A non-synthesis instruction mark 15 'drawn in the frame area 12 is provided.
- the non-synthesis instruction mark 15 ′ has a different shape from the synthesis instruction mark 15.
- the synthesis instruction mark 15 has a shape like a thick dotted line over the entire area in the short side direction
- the non-synthesis instruction mark 15 ′ has a shape like a thick dotted line for only half of the short side direction.
- the shape of the combination instruction mark 15 ' is not limited to this, and may be other shapes such as a dashed line, a dotted line having long individual points, and the like.
- the mark detection unit 42 determines one of the front surface image and the back surface image as a priority image that prioritizes the mark detected in the image. For example, a surface image is set as a priority image (the reverse is also acceptable).
- the mark detection unit 42 detects the non-synthesis instruction mark 15 ′ present at a predetermined position of the front image which is the priority image.
- the mark detection unit 42 detects the synthesis instruction mark 15 detected from the back image which is not the priority image.
- the same processing (processing in step S3) as in the case where power is not detected and the above-mentioned synthesis instruction mark 15 cannot be detected is performed. That is, the front-side cutout image and the back-side cutout image cut out from predetermined positions of the front-side image and the back-side image are each set as one individual image.
- the use of the carrier sheet 1 can protect the photographic original 2 whose surface is easily damaged or the original 2 which has a weak paper strength from being damaged while being transported. Since the rollers are not slipped on the surface of 1 and the conveyance is stable, images can be read clearly.
- FIG. 14 is an explanatory view of a carrier sheet, and shows still another example of the carrier sheet 1 of the present invention.
- the carrier sheet 1 of this example one of the two sheets (for example, the sheet 18) includes the combining instruction mark 15 drawn in the frame area 12, and the other of the two sheets (for example, the sheet 17) is combined. No indication mark 15 is provided.
- the combining instruction mark 15 is detected in one image, but the combining instruction mark 15 is not detected in the other image. Also in this case, the mark detection unit 42 determines one of the front image and the rear image as a priority image that prioritizes the mark detected in the image. For example, a surface image is set as a priority image (or vice versa).
- FIG. 15 is an explanatory view of a carrier sheet, and shows still another example of the carrier sheet 1 of the present invention.
- each of the two sheets 17 and 18 has a horizontal reference line 14 (only), and the vertical reference line 13 is omitted.
- the vertical reference line 13 that does not exist is indicated by a dotted line for reference.
- the upper reference line 16 may be provided or omitted.
- the original 2 (21) can be sandwiched at an accurate position based on the horizontal reference line 14.
- the OPEN portion along the vertical reference line 13 shown in FIG. 5 may be bonded, and the bonded portion of the two sheets 17 and 18 (accordingly, the actual vertical reference line 13) may be used as a reference.
- the inclination ⁇ is determined based on the horizontal reference line 14, the inclination correction is performed in the vertical direction, so that there is no problem.
- the reading width of the scanner 3 is wider than the maximum width W of the original 2 as described above, the white standard for reading (not shown) and the color of the original 2 (21) are used. Based on the difference between the two, the edge of the document 2 may be detected and used. Thereby, the same processing as when there is a vertical reference line 13 is possible.
- a combining instruction mark 15 drawn in a frame area 12 between at least one force lateral reference line 14 of the two sheets 17 and 18 and the sides of the sheets 17 and 18. Since this direction is the transport direction, it is possible to cope with the reading without increasing the width of the scanner 3. As described above, the non-combination instruction mark 15 'may be provided at a corresponding position on the back surface.
- FIG. 16 is an explanatory view of a carrier sheet, and shows still another example of the carrier sheet 1 of the present invention.
- each of the two sheets 17 and 18 has a vertical reference line 13 (only) and the horizontal reference line 14 is omitted.
- the horizontal reference line 14 that does not exist is indicated by a dotted line.
- the upper reference line 16 may be provided or omitted.
- the combination instruction mark 15 (or the non-synthesis instruction mark 15 ') is drawn in the frame area 12, as in the other examples.
- the present invention can be variously modified within the spirit of the present invention.
- the inclination correction unit 43 may be omitted.
- Tilt correction The tilt correction processing by the unit 43 may be executed after the image synthesis processing by the image synthesis unit 44.
- an image is synthesized based on the vertical reference line 13, so that the same result as in the above-described example can be obtained.
- the front image 471 and the rear image 472 may be combined with the vertical reference line 13 as a reference.
- the image processing apparatus and the image processing method by detecting the combining instruction mark drawn at a position other than the position where the document on the carrier sheet is sandwiched, the surface image and the Since the back side image can be combined into a single image, there is no need to perform a setting operation to distinguish between the normal double-sided original reading mode and the mode in which the image is read and combined by folding in two. In addition, since it is not necessary to switch the mode in this manner, it is possible to continuously read a document by mixing a normal double-sided document and a folded document.
- the carrier sheet since the carrier sheet is used, the image of the front side and the image of the back side are not distorted because the folded original is not twisted, so the image height (position in the transport direction) is required when combining the images. Image processing that does not require matching is easy.
- the portion of the carrier sheet that sandwiches the original is matted, unlike a carrier sheet that is transparent and not matted, light for reading on the surface of the carrier sheet is used. An image without excessive reflection can be read clearly, and since the rollers are not slipped on the surface of the carrier sheet and the conveyance is stable, the image can be read clearly.
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- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Computer Vision & Pattern Recognition (AREA)
- Facsimiles In General (AREA)
- Facsimile Scanning Arrangements (AREA)
- Editing Of Facsimile Originals (AREA)
- Record Information Processing For Printing (AREA)
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Abstract
Description
Claims
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10/587,983 US7649659B2 (en) | 2004-03-10 | 2005-03-08 | Image processing apparatus and method for using mark detection to combine multiple images present on the front and rear surfaces of a medium |
EP05720213A EP1725012A4 (en) | 2004-03-10 | 2005-03-08 | IMAGE PROCESSING DEVICE AND METHOD AND CARRIER SHEET |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
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JP2004-066549 | 2004-03-10 | ||
JP2004066549A JP4057545B2 (ja) | 2004-03-10 | 2004-03-10 | 画像処理装置及び方法 |
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WO2005088956A1 true WO2005088956A1 (ja) | 2005-09-22 |
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PCT/JP2005/003941 WO2005088956A1 (ja) | 2004-03-10 | 2005-03-08 | 画像処理装置及び方法及びキャリアシート |
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US (1) | US7649659B2 (ja) |
EP (1) | EP1725012A4 (ja) |
JP (1) | JP4057545B2 (ja) |
WO (1) | WO2005088956A1 (ja) |
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US8340476B2 (en) | 2005-03-18 | 2012-12-25 | The Invention Science Fund I, Llc | Electronic acquisition of a hand formed expression and a context of the expression |
US8229252B2 (en) * | 2005-03-18 | 2012-07-24 | The Invention Science Fund I, Llc | Electronic association of a user expression and a context of the expression |
US20070273674A1 (en) * | 2005-03-18 | 2007-11-29 | Searete Llc, A Limited Liability Corporation | Machine-differentiatable identifiers having a commonly accepted meaning |
US8102383B2 (en) | 2005-03-18 | 2012-01-24 | The Invention Science Fund I, Llc | Performing an action with respect to a hand-formed expression |
US7809215B2 (en) | 2006-10-11 | 2010-10-05 | The Invention Science Fund I, Llc | Contextual information encoded in a formed expression |
US8599174B2 (en) * | 2005-03-18 | 2013-12-03 | The Invention Science Fund I, Llc | Verifying a written expression |
US8787706B2 (en) * | 2005-03-18 | 2014-07-22 | The Invention Science Fund I, Llc | Acquisition of a user expression and an environment of the expression |
US8749480B2 (en) * | 2005-03-18 | 2014-06-10 | The Invention Science Fund I, Llc | Article having a writing portion and preformed identifiers |
US8784196B2 (en) | 2006-04-13 | 2014-07-22 | Igt | Remote content management and resource sharing on a gaming machine and method of implementing same |
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US20100277772A1 (en) * | 2007-08-15 | 2010-11-04 | I. R. I. S. | Method for managing sets of digitally acquired images and method for separation and identification of digitally acquired documents |
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JP5546593B2 (ja) * | 2011-09-02 | 2014-07-09 | キヤノン株式会社 | 画像表示装置及びその制御方法 |
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JP6344330B2 (ja) * | 2015-07-29 | 2018-06-20 | 京セラドキュメントソリューションズ株式会社 | 画像読取装置及びそれを備えた画像形成装置 |
JP6610128B2 (ja) | 2015-09-28 | 2019-11-27 | セイコーエプソン株式会社 | 画像読取装置及び画像読取システム |
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Also Published As
Publication number | Publication date |
---|---|
JP2005260387A (ja) | 2005-09-22 |
EP1725012A4 (en) | 2007-05-30 |
JP4057545B2 (ja) | 2008-03-05 |
EP1725012A1 (en) | 2006-11-22 |
US20070127087A1 (en) | 2007-06-07 |
US7649659B2 (en) | 2010-01-19 |
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