CN1700723A - Image pickup device having file image rotating function and pickup method thereof - Google Patents

Image pickup device having file image rotating function and pickup method thereof Download PDF

Info

Publication number
CN1700723A
CN1700723A CN 200410018558 CN200410018558A CN1700723A CN 1700723 A CN1700723 A CN 1700723A CN 200410018558 CN200410018558 CN 200410018558 CN 200410018558 A CN200410018558 A CN 200410018558A CN 1700723 A CN1700723 A CN 1700723A
Authority
CN
China
Prior art keywords
signal
file
digital signal
document image
capture unit
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN 200410018558
Other languages
Chinese (zh)
Other versions
CN100418342C (en
Inventor
壮雅涵
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hongguang Precision Industry Suzhou Co Ltd
Original Assignee
Hongguang Precision Industry Suzhou Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Hongguang Precision Industry Suzhou Co Ltd filed Critical Hongguang Precision Industry Suzhou Co Ltd
Priority to CNB2004100185589A priority Critical patent/CN100418342C/en
Publication of CN1700723A publication Critical patent/CN1700723A/en
Application granted granted Critical
Publication of CN100418342C publication Critical patent/CN100418342C/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Images

Landscapes

  • Facsimiles In General (AREA)
  • Image Input (AREA)

Abstract

This invention relates to an image catching device with rotation file, which comprises one scanning module, one drive mechanism, one selective structure, one control or process unit and one memory, wherein, the scanning module matches the drive structure to scan files; the selective module selects the first file specific mark as the base for the second file; the control and process unit generates digital mark signal stored in the memory according to results of scanning and selective modules to generate one turn signal according to the digital signal position from the second file and generate one general image signal according to the turn signal as the normal status.

Description

Image capture unit and method thereof with rotation document image function
Technical field
The invention relates to a kind of image capture unit and method thereof with rotation document image function, especially about a kind of specific markers that can allow user's select File with image capture unit and method thereof as image rotation benchmark.
Background technology
Traditional scanner carries out 180 upsets of spending if will scan the document image of gained, and major part is to carry out by computer application software.The mode of decision upset can determine whether upset by the result that the user saw, or does optical mask identification (OCR) by specific software and decide flip angle, and for example United States Patent (USP) the 6th, 011, No. 877; 6,546, No. 215; And 6,574, No. 375 communiques are disclosed.Perhaps, traditional photocopier can allow the user select the file direction of required duplicating, and as United States Patent (USP) the 6th, 314, No. 213 communique is disclosed.
Yet it all is to belong to self-contained unit that increasing scanner is arranged at present, just is not directly connected to computer.For example, some scanner can be directly connected to printer, and the result treatment that directly will scan gained becomes the acceptable print signal of printer.Perhaps, some scanner can be directly connected to internet or facsimile network, and the result treatment that directly will scan gained becomes can be in the internet or the digital signal of facsimile network transmission.When the user when manually putting paper or scanning a folded file with the automatic paper conveying apparatus paper feed, the orientation that may have some files is opposite with other file.In the case, overturn on computer application software in manual mode or directly utilize as the method for photocopier upset image to carry out that image overturns all be inconvenient; Sizable internal memory will be needed and handle whole folded file, and pure graphic file can't be distinguished with the mode of OCR.
Therefore, how to provide a kind of judgement that can come the simplified-file direction according to initial setting, real is problem to be solved by this invention.
Summary of the invention
Therefore, an object of the present invention is to provide a kind of image capture unit and method thereof, come the judgement of simplified-file direction, finish the upset of image then according to initial setting with rotation document image function.
For reaching above-mentioned purpose, the invention provides a kind of image capture unit and comprise one scan module, a driving mechanism, selection module, a control/processing unit and an internal memory with rotation document image function.Scan module is cooperating driving mechanism to come scanning document.Select module to select first file specific mark, with basis for estimation as the rollover states of follow-up second file.Control/processing unit is according to scan module and the result who selects module, produces the figure notation signal and is stored in the internal memory.The position of the figure notation signal behind control/processing unit judgement scanning second file in the digital signal of gained, and produce an energizing signal, and digital signal is overturn and produce a normal images signal according to energizing signal, make it become normal condition with automatic upset document image.
Perhaps, above-mentioned energizing signal and digital signal can directly be output to an image processor and handle to carry out follow-up upset.
Description of drawings
Fig. 1 shows first and second file that image capture unit of the present invention will scan.
Fig. 2 shows the calcspar according to the image capture unit of first embodiment of the invention.
One embodiment of the selection module of Fig. 3 displayed map 2.
Another embodiment of the selection module of Fig. 4 displayed map 2.
Fig. 5 shows the calcspar according to the image capture unit of second embodiment of the invention.
Fig. 6 shows the flow chart of image acquisition method of the present invention.
Embodiment
Fig. 1 shows first and second file that image capture unit of the present invention will scan.Fig. 2 shows the calcspar according to the image capture unit of first embodiment of the invention.As Fig. 1 and shown in Figure 2, image capture unit 10 of the present invention comprises one scan module 12, a driving mechanism 14, is selected module 16, a control/processing unit 18 and an internal memory 20.Scan module 12 is used for scanning in regular turn first and second file D1 and D2 and produces first and second analog signal SA1 and SA2.All contain a specific markers M on the one ad-hoc location P of each file.Usually, the position of specific markers M is to be positioned at four dotted line elongated rectangular shape shown in Fig. 1.Be to explain in this embodiment, but the invention is not restricted to this with two parts of files.When the quantity of file greater than 2 the time, the processing mode of the file that second file is later is identical with the processing mode of second file.
Driving mechanism 14 is to be used for one of them of driven sweep module 12 and each file.Therefore, driving mechanism 14 can be to be used for the scan module driving mechanism of driven sweep module 12, or is used for driving the mechanism for automatically feeding paper of file.Selecting module 16 is to be used for selecting specific markers M to be positioned at the normal place SP on the first file D1 and to produce a standard position signal SSP.
Control/processing unit 18 is to be used for respectively first and second analog signal SA1 and SA2 being processed into first and second digital signal DS1 and DS2, wherein can comprise AFE (analog front end) and amplify, simulates to the processing of aspects such as digital translation and gain.Then, control/processing unit 18 produces the figure notation signal SDM corresponding to specific markers M according to the first digital signal DS1 and standard position signal SSP.That is, frame is selected the signal of video signal of specific markers M.
Select module 16 to judge normal place SP automatically, perhaps can be the user one option interface is provided, make the user can on option interface, do input and selected normal place SP according to the first digital signal DS1.
Internal memory 20 is to be used for store digital marking signal SDM, to judge the upset foundation of the second digital signal DS2 as control/processing unit 18.Control/processing unit 18 is judged the position of the figure notation signal SDM among the second digital signal DS2, and produces an energizing signal ST.Promptly, when the figure notation signal SDM that judges the second digital signal DS2 also is positioned at normal place SP, when maybe the digital signal that is positioned at normal place SP in judging the second digital signal DS2 is figure notation signal SDM, represent that the second digital signal DS2 does not need upset, or its energizing signal ST may be defined as 0 degree.When the figure notation signal SDM that judges the second digital signal DS2 is not when being positioned at normal place SP, when maybe the digital signal that is positioned at normal place SP in judging the second digital signal DS2 is not figure notation signal SDM, represent that the second digital signal DS2 need turn over turnback, or its energizing signal ST may be defined as 180 degree.Certainly, also can by simple mode judge the second digital signal DS2 need turn over turn 90 degrees or 270 the degree.Therefore, on behalf of the second digital signal DS2, energizing signal ST should be reversed 0,90,180 or 270 degree.About judging the method for the figure notation signal SDM among the second digital signal DS2, the ratio or the shade of gray that can utilize the mode of complete image comparison or calculate black picture element and white picture element distribute, and these modes can utilize identical condition in the error of a limited range as benchmark.
Then, control/processing unit 18 overturns to the second digital signal DS2 according to energizing signal ST and produces a normal images signal SN.Normal images signal SN can output to an image processor 30 by an input/output end port 22.This image processor 30 is including but not limited to internet, facsimile network, personal computer, mobile computer, work station etc.
In a modified example, control/processing unit 18 can also be processed into normal images signal SN a dozen seal signals, and this print signal is to export a printing equipment to by an input/output end port 22 to print.
One embodiment of the selection module of Fig. 3 displayed map 2.As shown in Figure 3, select module 16 to comprise the preview window 16A and an indicator device (mouse or trace ball etc.) or key board unit 16B.The preview window 16A is used for for user's preview first file D1.Indicator device or key board unit 16B are used for for user choice criteria position SP or be used for importing one group of parameter with choice criteria position SP for the user on the preview window 16A.
Another embodiment of the selection module of Fig. 4 displayed map 2.As shown in Figure 4, select module 16 to comprise a plurality of button 16C, be used for for user choice criteria position SP on the preview window 16A.Each button 16C is corresponding to the predeterminated position that is positioned on the file, this for simplify normal place to choose the flow process aspect particularly useful because the specific markers major part of generic-document is positioned on these positions.So, in this embodiment, also can before scanning first file, just directly select the normal place of specific markers earlier by the user.That is, the user can select the default normal place of specific markers in the space of a whole page configuration of known paper size.Perhaps, normal place can be imported via keyboard by the user, and does not need the image of preview first file.Moreover normal place also can be imported via above-mentioned button according to the preview window by the user.In the case, above-mentioned button can be distributed in the preview window around.Perhaps, the preview window can be a touch-sensitive display, comprises a plurality of buttons on it and can allow the user directly push selection.
Utilize the mode of OCR to judge that the file direction compares with known technology, the structure of the first embodiment of the present invention can more be saved internal memory, and judgment mode is easier and uncomplicated.
Fig. 5 shows the calcspar according to the image capture unit of second embodiment of the invention.As shown in Figure 5, the image capture unit of present embodiment comprises one scan module 12, a driving mechanism 14, is selected module 16, a control/processing unit 18 ', an internal memory 20 and an input/output end port 22 '.Wherein scan module 12, driving mechanism 14, selection module 16 and internal memory 20 are identical with first embodiment, are not giving unnecessary details at this.Control/processing unit 18 ' is to be used for respectively first and second analog signal SA1 and SA2 being processed into first and second digital signal DS1 and DS2, and produce a figure notation signal SDM according to the first digital signal DS1 and standard position signal SSP corresponding to specific markers M, control/processing unit 18 ' is judged the position of the figure notation signal SDM among the second digital signal DS2, and produces an energizing signal ST.Input/output end port 22 ' is to be used for exporting the second digital signal DS2 and energizing signal ST to image processor 30 ', makes image processor 30 ' carry out upset according to the second digital signal DS2 and energizing signal ST.
Compare with first embodiment, the structure of second embodiment is more easy, and the capacity of internal memory is able to effective minimizing, and user's operating process is able to more judicial convenience.
Fig. 6 shows the flow chart of image acquisition method of the present invention.As shown in Figure 6, to have the image acquisition method of rotation document image function be to be used for scanning in regular turn first and second file D1 and D2 and to produce first and second analog signal SA1 and SA2 in the present invention.All contain a specific markers M on the one ad-hoc location P of each file.Image acquisition method of the present invention comprises following steps:
Step 51: scan the first file D1, to obtain one first analog signal SA1:
Step 52: the first analog signal SA1 is processed into one first digital signal DS1;
Step 53: select specific markers M to be positioned at the normal place SP on the first file D1 and to produce a standard position signal SSP;
Step 54: produce a figure notation signal SDM according to the first digital signal DS1 and standard position signal SSP corresponding to specific markers M;
Step 55: store digital marking signal SDM, with upset foundation as the judgement second file D2;
Step 56: scan the second file D2, to obtain one second analog signal SA2;
Step 57: the second analog signal SA2 is processed into one second digital signal DS2;
Step 58: judge the position of the figure notation signal SDM among the second digital signal DS2, and produce an energizing signal ST; And
Step 59: the second digital signal DS2 is overturn and produce a normal images signal SN according to energizing signal ST; Perhaps
Step 60: export the energizing signal ST and the second digital signal DS2 to an image processor 30, the first digital signal DS1 that it should be noted that step 52 also is output to image processor 30 at the energizing signal ST that can be accompanied by representative upset 0 degree before.
Step 53 can comprise following substep: for a user provides an option interface, this interface can be to be similar to Fig. 3 and 16A, 16B, 16C and other any reasonable combination shown in Figure 4; And receive the user in the input of option interface and selected normal place SP.Perhaps, step 53 is to judge normal place SP by a selected cell automatically according to the first digital signal DS1.
Similarly, above-mentioned energizing signal ST be suitable for represent the second digital signal DS2 should be reversed 0 or 180 the degree, but also can represent the second digital signal DS2 should be reversed 90 or 270 the degree.
By above-mentioned image capture unit of the present invention and method, the user only does simple a setting when doing first page of scanning, can allow image capture unit be turned into normal condition automatically, make the orientation of each page image of file identical for the follow up scan page or leaf.Compare with the known technology that uses the OCR technology, needed memory size can effectively be dwindled.Perhaps, export to computer system and deal with if will scan the digital signal of gained and energizing signal, needed memory size can contract to littler, and the user can operate this device more easily.
The specific embodiment that is proposed in the detailed description of preferred embodiment only is used for making things convenient for explanation technology contents of the present invention, but not with narrow sense of the present invention be limited to the foregoing description, under the situation that does not exceed spirit of the present invention and claims scope, the many variations of being done is implemented, and all belongs to scope of the present invention.
The drawing reference numeral explanation
10 ~ image capture unit
12 ~ scan module
14 ~ driving mechanism
16 ~ selection module
16A ~ the preview window
16B ~ indicator device or key board unit
16C ~ button
18,18 ' ~ control/processing unit
20 ~ internal memory
22,22 ' ~ input/output end port
30,30 ' ~ image processor
D1 ~ first file
D2 ~ second file
DS1 ~ first digital signal
DS2 ~ second digital signal
M ~ specific markers
P ~ ad-hoc location
SA1 ~ first analog signal
SA2 ~ second analog signal
SDM ~ figure notation signal
SN ~ normal images signal
SP ~ normal place
SSP ~ standard position signal
ST ~ energizing signal

Claims (28)

1. the image capture unit with rotation document image function is characterized in that, comprises:
The one scan module is used for scanning in regular turn one first and one second file and produces one first and one second analog signal, all contains a specific markers on the ad-hoc location of described file;
One driving mechanism is used for driving one of them of described scan module and each file;
One selects module, is used for selecting described specific markers to be positioned at the normal place on described first file and to produce a standard position signal;
One control/processing unit is used for respectively these first and second analog being become one first and one second digital signal, and produces the figure notation signal corresponding to described specific markers according to described first digital signal and described standard position signal;
One internal memory, be used for storing described figure notation signal, to judge a upset foundation of described second digital signal as described control/processing unit, wherein said control/processing unit is judged a position of the described figure notation signal in described second digital signal, and produce an energizing signal, and described second digital signal is overturn and produce a normal images signal according to described energizing signal.
2. the image capture unit with rotation document image function as claimed in claim 1 is characterized in that described selection module comprises:
One the preview window is used for for described first file of user's preview; And
One indicator device is used for selecting described normal place for described user on described the preview window.
3. the image capture unit with rotation document image function as claimed in claim 1 is characterized in that described selection module comprises:
One the preview window is used for for described first file of user's preview; And
One key board unit is used for importing one group of parameter to select described normal place for described user.
4. the image capture unit with rotation document image function as claimed in claim 1 is characterized in that described selection module comprises:
A plurality of buttons are used for selecting described normal place for a user.
5. the image capture unit with rotation document image function as claimed in claim 1 is characterized in that described selection module comprises:
One key board unit is used for importing one group of parameter to select described normal place for a user.
6. the image capture unit with rotation document image function as claimed in claim 1 is characterized in that described selection module comprises:
One the preview window is used for for described first file of user's preview; And
A plurality of buttons are used for selecting described normal place for described user.
7. the image capture unit with rotation document image function as claimed in claim 6 is characterized in that described button is to be positioned at around described the preview window.
8. the image capture unit with rotation document image function as claimed in claim 6 it is characterized in that described button is to be positioned on described the preview window, and described the preview window is a touch-sensitive display.
9. the image capture unit with rotation document image function as claimed in claim 1 is characterized in that described selection module is judged described normal place automatically according to described first digital signal.
10. the image capture unit with rotation document image function as claimed in claim 1 is characterized in that described normal images signal is to output to an image processor by an input/output end port.
11. the image capture unit with rotation document image function as claimed in claim 1, it is characterized in that, described control/processing unit also becomes described normal images signal processing a dozen seal signals, and described print signal is to output to a printing equipment by an input/output end port to print.
12. the image capture unit with rotation document image function as claimed in claim 1 is characterized in that, on behalf of described second digital signal, described energizing signal should be reversed 0 or 180 degree.
13. the image capture unit with rotation document image function as claimed in claim 1 is characterized in that, on behalf of described second digital signal, described energizing signal should be reversed 0,90,180 or 270 degree.
14. the image capture unit with rotation document image function is used for being connected to an image processor, it is characterized in that described image capture unit comprises:
The one scan module is used for scanning in regular turn one first and one second file and produces one first and one second analog signal, all contains a specific markers on the ad-hoc location of described file;
One driving mechanism is used for driving one of them of described scan module and described file;
One selects module, is used for selecting described specific markers to be positioned at the normal place on described first file and to produce a standard position signal;
One control/processing unit is used for respectively described first and second analog being become one first and one second digital signal, and produces the figure notation signal corresponding to described specific markers according to described first digital signal and described standard position signal;
One internal memory, be used for storing described figure notation signal, to judge a upset foundation of described second digital signal as described control/processing unit, wherein said control/processing unit is judged a position of the described figure notation signal in described second digital signal, and produces an energizing signal; And
One input/output end port is used for exporting described second digital signal and described energizing signal to described image processor, makes described image processor carry out upset according to described second digital signal and described energizing signal.
15. the image capture unit with rotation document image function as claimed in claim 14 is characterized in that described selection module comprises:
One the preview window is used for for described first file of user's preview; And
One indicator device is used for selecting described normal place for described user on described the preview window.
16. the image capture unit with rotation document image function as claimed in claim 14 is characterized in that described selection module comprises:
One the preview window is used for for described first file of user's preview; And
One key board unit is used for importing one group of parameter to select described normal place for described user.
17. the image capture unit with rotation document image function as claimed in claim 14 is characterized in that described selection module comprises:
A plurality of buttons are used for selecting described normal place for the user.
18. the image capture unit with rotation document image function as claimed in claim 14 is characterized in that described selection module comprises:
One key board unit is used for importing one group of parameter to select described normal place for the user.
19. the image capture unit with rotation document image function as claimed in claim 14 is characterized in that described selection module comprises:
One the preview window is used for for described first file of user's preview; And
A plurality of buttons are used for selecting described normal place for described user.
20. the image capture unit with rotation document image function as claimed in claim 19 is characterized in that described button is to be positioned at around described the preview window.
21. the image capture unit with rotation document image function as claimed in claim 19 it is characterized in that described button is to be positioned on described the preview window, and described the preview window is a touch-sensitive display.
22. image acquisition method with rotation document image function, be used for scanning in regular turn one first and one second file and produce one first and one second analog signal, all contain a specific markers on the ad-hoc location of described file, it is characterized in that, described image acquisition method comprises following steps:
Scan described first file, to obtain one first analog signal;
Described first analog is become one first digital signal;
Select described specific markers to be positioned at the normal place on described first file and produce a standard position signal;
Produce a figure notation signal corresponding to described specific markers according to described first digital signal and described standard position signal;
Store described figure notation signal, with a upset foundation as described second file of judgement;
Scan described second file, to obtain one second analog signal;
Described second analog is become one second digital signal; And
Judge a position of the described figure notation signal in described second digital signal, and produce an energizing signal.
23. the image acquisition method with rotation document image function as claimed in claim 22 is characterized in that, also comprises following steps:
The described energizing signal of foundation overturns to described second digital signal and produces a normal images signal.
24. as described in claim 22, have the image acquisition method that rotates the document image function, it is characterized in that the step that produces described standard position signal comprises:
For a user provides an option interface; And
Receiving described user imports and selected described normal place in one of described option interface.
25. the image acquisition method with rotation document image function as claimed in claim 22 is characterized in that the step that produces described standard position signal is to judge described normal place by a selected cell automatically according to described first digital signal.
26. the image acquisition method with rotation document image function as claimed in claim 22 is characterized in that, also comprises following steps:
Export described energizing signal and described second digital signal to an image processor.
27. the image acquisition method with rotation document image function as claimed in claim 22 is characterized in that, on behalf of described second digital signal, described energizing signal should be reversed 0 or 180 degree.
28. the image acquisition method with rotation document image function as claimed in claim 22 is characterized in that, on behalf of described second digital signal, described energizing signal should be reversed 0,90,180 or 270 degree.
CNB2004100185589A 2004-05-21 2004-05-21 Image pickup device having file image rotating function and pickup method thereof Expired - Lifetime CN100418342C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CNB2004100185589A CN100418342C (en) 2004-05-21 2004-05-21 Image pickup device having file image rotating function and pickup method thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CNB2004100185589A CN100418342C (en) 2004-05-21 2004-05-21 Image pickup device having file image rotating function and pickup method thereof

Publications (2)

Publication Number Publication Date
CN1700723A true CN1700723A (en) 2005-11-23
CN100418342C CN100418342C (en) 2008-09-10

Family

ID=35476569

Family Applications (1)

Application Number Title Priority Date Filing Date
CNB2004100185589A Expired - Lifetime CN100418342C (en) 2004-05-21 2004-05-21 Image pickup device having file image rotating function and pickup method thereof

Country Status (1)

Country Link
CN (1) CN100418342C (en)

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6574375B1 (en) * 1992-04-06 2003-06-03 Ricoh Company, Ltd. Method for detecting inverted text images on a digital scanning device
JP3050007B2 (en) * 1993-08-26 2000-06-05 ミノルタ株式会社 Image reading apparatus and image forming apparatus having the same
US6314213B1 (en) * 1996-09-19 2001-11-06 Canon Kabushiki Kaisha Image processing apparatus and method which process image on the basis of direction of document
US6546215B2 (en) * 2001-09-10 2003-04-08 Toshiba Tec Kabushiki Kaisha Image forming apparatus and method having document orientation control
CN1422068A (en) * 2001-11-23 2003-06-04 力捷电脑股份有限公司 Scanning method

Also Published As

Publication number Publication date
CN100418342C (en) 2008-09-10

Similar Documents

Publication Publication Date Title
CN1054953C (en) Document image processor with defect detection
CN1297943C (en) Image defect inspecting apparatus and image defect inspecting method
CN101060578A (en) Display control system, image procesing apparatus, and display control method
DE10221853A1 (en) Automatic scanning workflow assignment system and method
CN101069414A (en) Method for suppressing blank pages in a multi-page scanning process and software therefor
JP2003533917A (en) Scanner with paperless scaling mode
CN1738357A (en) Camera system
US8593686B2 (en) Image scanning apparatus, computer readable medium, and image storing method add scanned image data into an image file storing an existing image data associated with an attribute value of the existing image data
CN1237785C (en) Film scanner
CN1893532A (en) Image processing apparatus, and control method and program of the same and manuscript paper
CN1967396A (en) Image forming apparatus and method of controlling thereof
US9860426B2 (en) Multi-mode image capture systems and methods
CN1591464A (en) System and method of compensating noise in image information
CN1649377A (en) Method and apparatus to process scanned images
US7464875B2 (en) Image acquiring apparatus capable of processing image quickly and method of acquiring image thereof
CN1700723A (en) Image pickup device having file image rotating function and pickup method thereof
JPS63296125A (en) Coordinate input device
CN1247009C (en) Method for scanning docaments using prescanning operation
CN1744677A (en) Camera system
US20020089699A1 (en) Handling system and device for determining a state of a slip
CN1912758A (en) Image forming device and user terminal device for providing guide information and method of providing guide information thereof
KR100581519B1 (en) System for scanning image to set scanned image as wallpaper and method thereof
CN1604614A (en) Image processing apparatus
JP2007324648A (en) Image reading system and control method thereof
CN1581926A (en) Half-tone processing method for automatic detecting image-text

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C14 Grant of patent or utility model
GR01 Patent grant
CX01 Expiry of patent term

Granted publication date: 20080910