CN102073847A - Scanning device and scanning method - Google Patents
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Abstract
The invention provides a scanning device and a scanning method, and belongs to the field of data processing. The scanning device comprises an image acquisition unit and a central processing unit, wherein the image acquisition unit acquires a plurality of images of a scanned medium; and the central processing unit divides the plurality of acquired images into N groups according to a preset number, performs splicing and character recognition processing on each group of images in a multi-thread mode respectively, and outputs a processed character recognition result. By the scanning device and the scanning method, the processing efficiency of the central processing unit can be improved, scanning speed and recognition speed are improved, limitation on scanning length can be eliminated, the waiting time of a user is shortened, and scanning and character recognition are smoother.
Description
Technical field
The present invention relates to data processing field, particularly a kind of scanister and scan method.
Background technology
In people work life, often to scan scattered literal and typing.People are when reading newspaper, books and magazine; the content that to want through regular meeting to write down is taken passages with pen; perhaps the page at literal place is sheared; but; this method is relatively required great effort, and can upset the ongoing reading thinking of people, therefore; a kind of scanister of the easy record of Word message of needs can being arisen at the historic moment realizes carrying out quickly and easily the management of Word message simultaneously.
U.S. Pat 4949391 discloses a kind of optical scanner that does not have distance mearuring equipment.This optical scanner comprises a dimension sensor, the overlap image of content of the inswept article of its writing scan instrument.Yet, portable scanner is " non intelligent " record cell in fact just, its writes down character but the character of record is not translated, and optical character identification (OCR, Optical Character Recognition) processing is what to carry out in a computing machine that is connected with scanner.Scanner is got in touch each other so that redundant information in the removal of images image one by one of record, and their only need littler storage space thus.But this scanner can only move in the direction that limits according to roller.
Chinese patent CN97180207 discloses a kind of by making the inswept character string of pen be used to write down the pen of the character string of a selection, comprise one be used for making the photoinduction sensor of character imaging and be used for the recognition imaging character and at pen with their signal processing unit of character encoding format storage, signal processing unit vertically and flatly makes up a plurality of images that write down becomes a composograph, carries out character recognition again.This patent points out that a synthetic image preferably has a predetermined maximum length, when reaching the predetermined maximum length of composograph, with the record of interrupt images.But, there are some problems in this technology of a synthetic image in order, because embedded central processing unit does not have the travelling speed of computing machine fast, thereby this synthesis mode is very consuming time, will experience the long stand-by period after can causing the user to take passages finishing and still can finish in the image combination of proceeding so that make.And composograph has been scheduled to maximum length, and when reaching this predetermined maximum length, image recording will be interrupted, and the user will judge whether and can restart according to indicating device, therefore can influence the continuity of extracts.
Therefore, above-mentioned recording method and device is slow on travelling speed, and the user need wait for for a long time, and scanning has length restriction, and when sweep length was excessive, user's extracts operation can be interrupted, and using to the user makes troubles.
Summary of the invention
The present invention provides a kind of scanister and method in view of the above problems, and is slow and the problem of taking passages length restriction is arranged to solve extracts speed, improves the speed of scanning and identification, and eliminates the restriction of sweep length.
The invention provides a kind of scanister, comprising:
Image acquisition units is gathered many images that are scanned medium; And
Central processing unit is divided into N group with many images that collect according to default quantity, and respectively every group of image spliced with character recognition in the mode of multithreading and handle, and the character identification result after the output processing; Wherein, N is a natural number.
Described central processing unit splices with character recognition every group of image respectively to be handled, comprise: respectively many images in every group are spliced, obtain the N opening and closing and become image, become image to carry out respectively the character identification result that obtains being connected processing after the character recognition to every opening and closing, discharge the memory headroom that described every group of image takies then respectively.
Described the character identification result that obtains is connected processing, comprise: the tail frame according to current composograph becomes the first frame of image that the two adjacent groups character identification result is judged with next opening and closing, if there are the data that repeat mutually in described tail frame and first frame, then in described character identification result, delete corresponding repeat character (RPT); If described tail frame splices the corresponding new character picture in back mutually with first frame, then in described character identification result, increase the pairing character of character picture.
The present invention also provides a kind of scan method, and this method comprises following process:
Collection is scanned many images of medium; And
Many images that collect are divided into N group according to default quantity, respectively every group of image are spliced with character recognition in the mode of multithreading and handle, and the character identification result after the output processing; Wherein, N is a natural number.
Described respectively every group of image the splicing with character recognition handles, comprise: respectively many images in every group are spliced, obtain the N opening and closing and become image, become image to carry out respectively the character identification result that obtains being connected processing after the character recognition to every opening and closing, discharge the memory headroom that described every group of image takies then respectively.
Described the character identification result that obtains is connected processing, comprise: the tail frame according to current composograph becomes the first frame of image that the two adjacent groups character identification result is judged with next opening and closing, if there are the data that repeat mutually in described tail frame and first frame, then in described character identification result, delete corresponding repeat character (RPT); If described tail frame splices the corresponding new character picture in back mutually with first frame, then in described character identification result, increase the pairing character of character picture.
Scanister provided by the present invention and scan method, the image that to organize specified quantity by central processing unit splices respectively more, obtain being combined into image more, and become image to carry out parallel processing to described many opening and closing respectively in the mode of multithreading, improve the treatment effeciency of central processing unit greatly, thereby improved the speed of scanning and identification, and eliminated the restriction of sweep length, shortened period of reservation of number, made scanning more smooth with identification.
Description of drawings
Fig. 1 is the composition structured flowchart of the scanister of the specific embodiment of the present invention;
Fig. 2 is the inner structure synoptic diagram of the scanister of the specific embodiment of the present invention;
Fig. 3 is scanister central interior processor and each ingredient annexation synoptic diagram of the specific embodiment of the present invention;
Fig. 4 is the scan method workflow diagram of the specific embodiment of the present invention;
Fig. 5 is the structural representation of scanning system in the embodiment of the invention one;
Fig. 6 is the structural representation of scanning system in the embodiment of the invention two.
Embodiment
Describe the specific embodiment of the present invention in detail below in conjunction with accompanying drawing.
Fig. 1 is the composition structured flowchart of the scanister of the specific embodiment of the present invention.
As shown in Figure 1, the scanister of present embodiment comprises: central processing unit 11 and image acquisition units 12; Wherein, image acquisition units 12 is used to gather many images that are scanned medium; Central processing unit 11, many images that are used for image acquisition units 12 is gathered are divided into N group according to default quantity, and respectively every group of image spliced with character recognition in the mode of multithreading and handle, and the character identification result after the output processing.
Fig. 2 is the scanister inner structure synoptic diagram of present embodiment.As shown in Figure 2, scanister comprises: housing 101, the main circuit board 102 of central processing unit is set and the image acquisition board 103 of image acquisition units is set, also comprise between the plate that is arranged between main circuit board 102 and the image acquisition board 103 web member 106 and frizzen 107, illuminating device 108, function button 109, communication interface 111, trigger switch 112, also show among Fig. 2 and be scanned medium 110.
Particularly, when the scanister contact is scanned medium 110, the frizzen 107 that is positioned at housing 101 lower ends is because of stressed run-off the straight, and shake-up trigger switch 112, trigger switch 112 sends trigger pip immediately to central processing unit, the trigger pip that central processing unit produces trigger switch 112 by the communication interface agreement is handled the back and is generated communication signal, this communication signal is handled by the software that communication interface 111 sends on the external unit, central processing unit control illuminating device 108 is opened the irradiation of formation light path and is scanned medium 110, control chart image-position sensor 104 and camera lens 105 beginning images acquired etc.Function button 109 is positioned at the side of housing 101, generally be positioned at the position that can press...with one's finger easily when the user holds scanister, be used for instruction being sent to software on the external unit according to user's operation, the software of external unit is finished corresponding processing according to function button 109 default functions, such as line feed, carriage return and deletion etc.
When frizzen 107 leave be scanned medium 110 after, after promptly the pressure of frizzen 107 being lost, frizzen 107 is homing immediately, trigger switch 112 also returns to original state, and to a recovery of central processing unit transmission level signal, make central processing unit control illuminating device 108 close light path, control chart image-position sensor 104 and camera lens 105 stop images acquired.
In above-mentioned example, wherein communication interface 111 is preferably USB interface; External unit can be PC or embedded device etc.; Illuminating device 108 can be preferably LED; Function button 109 also can not be provided with or be provided with a plurality of.
As shown in Figure 3, the scanister central interior processor in this example and each ingredient annexation synoptic diagram comprise: central processing unit 11 is used for the operation of gated sweep device; Nand memory 202 is used for the required program code of memory scanning; RAM storer 203 is used for view data, composograph and character identification result that storage of collected arrives; Image acquisition units 12 comprises imageing sensor 104 and camera lens 105; Also comprise illuminating device 108, function button 109 and communication interface 111.
Described central processing unit splices with character recognition every group of image respectively to be handled, comprise: respectively many images in every group are spliced, obtain the N opening and closing and become image, become image to carry out respectively the character identification result that obtains being connected processing after the character recognition to every opening and closing, discharge the memory headroom that described every group of image takies then respectively.Wherein, many images are being spliced in the processing, comprising that also the image to gathering carries out processing such as slant correction.
Described the character identification result that obtains is connected processing, comprise: the tail frame according to current composograph becomes the first frame of image that the two adjacent groups character identification result is judged with next opening and closing, if there are the data that repeat mutually in described tail frame and first frame, then in the described character identification result of correspondence, delete corresponding repeat character (RPT); If described tail frame splices the corresponding new character picture in back mutually with first frame, then in the described character identification result of correspondence, increase the pairing character of character picture.Here, in the RAM storer, described N opening and closing can be become image be stored in respectively in N the array, and an above-mentioned N array is numbered in order, as: buffer1,, bufferN can get access to first frame and the tail frame that two adjacent opening and closing become image by the tail element of current array and an element of next array; Equally, the N group character identification result that becomes image to carry out after the character recognition N opening and closing is stored in respectively in the other N array, and be numbered in order, as: Array1, ArrayN, the array numbering at composograph place is corresponding one by one with the array numbering at corresponding characters recognition result place, the character identification result that is the composograph among the buffer1 is kept among the Array1, and the tail element by current array and an element of next array can get access to the adjacent character of two groups of adjacent character identification results.
Among the present invention, central processing unit 11 can adopt the processing mode of multithreading that the image in every group is spliced processing, character recognition and is connected and handle, and has improved the treatment effeciency of central processing unit greatly, thereby has improved the speed of scanning and identification; In addition, every group of system resource that image is shared of parallel release can be eliminated the restriction of sweep length after character recognition, shortens user's stand-by period.
Particularly, according to said apparatus, the flow process that the user uses scanister to scan is as follows:
When adopting scanister to begin to scan, frizzen 107 stressed inclinations also touch trigger switch 112, and trigger switch 112 produces trigger pip, and is transferred to the central processing unit 11 on the mainboard 102; After the trigger pip that 11 pairs of trigger switches of central processing unit 112 produce is handled, control illuminating device 108 luminous formation light paths, at this moment, the camera lens 105 that is positioned on the image acquisition board 103 will be scanned media imaging on described imageing sensor 104; Imageing sensor 104 converts picture signal to view data, and under the control of central processing unit 11, imageing sensor 104 is exported to RAM storer 203 with view data, storing image data in RAM storer 203; Central processing unit 11 is divided into N group to many images that described imageing sensor 104 is gathered according to default quantity respectively by the multithreading processing mode, many images under the multithreading processing mode in respectively with every group splice to handle and obtain the N opening and closing and become image, and after becoming image to carry out character recognition to every opening and closing respectively, respectively the every group of character identification result that obtains is connected processing, discharge the memory headroom that described every group of image takies then respectively, and the character identification result after will handling by communication interface 111 outputs to external unit.Described every group of character identification result is connected processing, comprise: the tail frame according to current composograph becomes the first frame of image that the two adjacent groups character identification result is judged with next opening and closing, if there are the data that repeat mutually in described tail frame and first frame, then in described character identification result, delete corresponding repeat character (RPT); If described tail frame splices the corresponding new character picture in back mutually with first frame, then in described character identification result, increase the pairing character of character picture.
At this moment, if function button 109 is arranged, then the software of external unit is finished corresponding processing according to function button 109 default functions, such as line feed, carriage return and deletion etc.
Work as the end of scan, frizzen 107 disengagings are scanned medium 110, then frizzen 107 sets back after losing pressure, trigger switch 112 also returns to original state, trigger switch 112 sends a recovery level signal for central processing unit 11 then, close light path with control illuminating device 108, image acquisition units 12 stops image acquisition.
Fig. 4 is the workflow diagram of the scan method of the specific embodiment of the present invention.
As shown in Figure 4, after scanister passes through communication interface 111 and external unit is connected, finish on line operation (step 301), enter init state (step 302) afterwards, when the user begins to scan, after acquisition window 113 frames firmly are scanned the content that needs to gather on the medium 110, frizzen 107 is pushed down and is scanned medium 110, trigger switch 112 is touched in frizzen 107 stressed inclination backs, trigger switch 112 produces trigger pip (step 303), and is transferred to the central processing unit 11 in the mainboard 102.The trigger pip that 11 pairs of trigger switches of central processing unit 112 produce is handled, and control illuminating device 108 luminous formation light paths, the camera lens 105 that is positioned at afterwards on the image acquisition board 103 images in described imageing sensor 104 with the content that is scanned, and converts picture signal to view data by imageing sensor 104.Central processing unit 11 receives the view data (step 304) of imageing sensor 104 outputs, and stores to RAM storer 203 image data transmission that receives.
Under single-threaded processing mode, when the quantity of the image of gathering when image acquisition units 12 reaches the quantity of regulation, central processing unit 11 is opened first thread as required, above-mentioned many images that image acquisition units 12 is gathered splice (step 305), synthesize opening and closing and become image, 11 pairs of these composographs of central processing unit carry out character recognition (step 306) afterwards, after finishing identification character (step 306), central processing unit 11 begins to discharge because of carrying out above-mentioned image synthetic (step 305), the memory headroom that character recognition (step 306) program is shared, promptly discharge resource (step 307), and character identification result is transferred to external unit (step 312) by communication interface 111.
Under the processing mode of multithreading, whenever image acquisition units 12 collect set of diagrams that specified quantity such as X open as the time, central processing unit 11 will more accordingly be opened a thread more, for example, when the amount of images that collects when image acquisition units 12 reaches the integral multiple N of specified quantity, central processing unit 11 is divided into N group with the image of gathering, and N thread of unlatching, respectively many images in every group is spliced processing and obtains the N opening and closing and become image (step 308); Because central processing unit 11 has been opened N thread and respectively the image that image acquisition units 12 is gathered has been carried out parallel processing, different with single-threaded processing procedure is, after generation N opening and closing become image, to become image to carry out corresponding character recognition (step 309) to described every opening and closing respectively, respectively every group of character identification result is connected processing (step 310) again, comprise: the tail frame according to current composograph becomes the first frame of image that the two adjacent groups character identification result is judged with next opening and closing, if there are the data that repeat mutually in described tail frame and first frame, then in described character identification result, delete corresponding repeat character (RPT); If described tail frame splices the corresponding new character picture in back mutually with first frame, then in described character identification result, increase the pairing character of character picture.Then, discharge corresponding system resources (step 311) and complete recognition result is transferred to external unit (step 312) respectively by communication interface 111.
After finishing processing, central processing unit 11 judges whether scanister breaks away from and is scanned medium 110 that promptly central processing unit 11 detects trigger switches 112 and whether sends pin trigger pip (step 303); Carry out scanning work if the user pushes down frizzen 107, the execution in step that then circulates 304 is to step 312 always; If detecting frizzen 107 leaves and is scanned medium 110, be that trigger switch 112 does not send trigger pip (step 303), then get back to step 303, be in waiting status, when the user is scanned once more, push down frizzen 107, make trigger switch 112 send trigger pip (step 303) once more.
Because above-mentioned processing procedure has adopted the multithreading processing mode, can the efficient of entire process system be improved by the service efficiency that improves resources such as central processing unit and internal memory, thereby improved the speed of scanning and identification, and, in processing procedure, a plurality of threads of being opened discharge shared system resource respectively at identification character with after being connected processing, therefore in the process of handling new scans content, multithreading can ceaselessly recycle above-mentioned d/d system resource, the situation that resource is taken can not appear, thereby eliminated the restriction of sweep length, avoided user's wait, made scanning and identification more smooth.
Fig. 5 is the synoptic diagram of scanning system in the embodiment of the invention one.
As shown in Figure 5, in this example, scanning system comprises: described scanister, external unit, and connect the coupling arrangement of scanister and external unit; Wherein, described scanister is by web member 106, frizzen 107, illumination LED 108, function button 109 between housing 101, main circuit board 102, image acquisition board 103, imageing sensor 104, camera lens 105, plate, be scanned medium 110, communication interface 111 and touch switch 112 and form; Communication interface 111 is a USB interface; External unit is PC 402; Illuminating device 108 is an illumination LED; The coupling arrangement that is used to connect scanister and PC 402 is a USB cable 401.
Particularly, scanister is after passing through USB cable 401 and PC402 is connected, carry out on line operation, enter init state afterwards, when the user is scanned, by frizzen 107 be scanned medium 110 and contact, frizzen 107 stressed inclinations touch touch switch 112, so touch switch 112 sends trigger pip to central processing unit, the trigger pip control illumination LED 108 luminous formation light paths that central processing unit 201 produces according to trigger switch 112, the camera lens 105 that is positioned at afterwards on the image acquisition board 103 images in the content that is scanned on the described imageing sensor 104, converts picture signal to view data by imageing sensor 104.Central processing unit 11 receives the view data of imageing sensor 104 outputs, and view data is sent into storage in the RAM storer 203.
After view data is admitted to RAM storer 203, scanister enters multithreading processing procedure as described in Figure 4, and result sent on the PC 402 by USB cable 401, the user just can read the content of being taken passages in real time easily by the screen of PC 402.
And, operate by the extracts content that the function button 109 that is arranged on housing 101 sides also can demonstrate PC 402 in real time.
Fig. 6 is the synoptic diagram of scanning system in the embodiment of the invention two.As shown in Figure 6, in present embodiment 2, the scanning system of present embodiment comprises: described scanister, external unit, and connect the coupling arrangement of scanister and external unit; Wherein, described scanister is by web member 106, frizzen 107, illumination LED 108, function button 109 between shell 101, main circuit board 102, image acquisition board 103, imageing sensor 104, camera lens 105, plate, formed by excerpt text 110, USB mouth 111 and touch switch 112; External unit is an embedded device 502, as: e-book, mobile phone, PDA or panel computer etc.; Illuminating device is an illumination LED 108; Communication interface 111 is a USB interface; The coupling arrangement that is used to connect the USB interface seat of scanister and embedded device is a USB cable 501.
Particularly, scanister is after passing through USB cable 501 and embedded device 502 is connected, carry out on line operation, enter init state afterwards, when the user is scanned, by frizzen 107 be scanned medium 110 and contact, frizzen 107 stressed inclinations touch touch switch 112, so touch switch 112 sends trigger pip to central processing unit, the trigger pip control illumination LED 108 luminous formation light paths that central processing unit 11 produces according to trigger switch 112, the camera lens 105 that is positioned at afterwards on the image acquisition board 103 images in the content that is scanned on the described imageing sensor 104, and imageing sensor 104 converts picture signal to view data.After central processing unit 11 receives the view data of imageing sensor 104 outputs, this view data is sent into storage in the RAM storer 203.
After view data is admitted to RAM storer 203, scanister enters multithreading processing procedure as described in Figure 4, and the data of handling are sent on the embedded device 502 by USB cable 501, the user just can read the content of being taken passages in real time easily from the display screen of embedded device 502.
And, operate by the extracts content that the function button 109 that is arranged on housing 101 sides also can demonstrate the embedded device display screen in real time.
In the various embodiments described above, main circuit board 102, image acquisition board 103 are illustrated, but in the present invention, central processing unit 11 and image acquisition units 12 also can adopt other modes to be provided with, for example, be arranged on the circuit board, and also can there be other selections the position of central processing unit 11 and image acquisition units 12.
In the various embodiments described above, the component parts imageing sensor 104 and the camera lens 105 of image acquisition units 12 is illustrated, in the present invention, camera lens 105 can be corresponding to a plurality of imageing sensors 104, also can be corresponding to an imageing sensor 104; Also can be that a plurality of camera lenses 105 are corresponding to an imageing sensor 104.
In the various embodiments described above, scanister 1 has function button 109, illuminating device 108, frizzen 107, trigger switch 112 simultaneously, but in the present invention, these parts are only as preferred parts, and the technical scheme that only has wherein one or more parts or do not have these parts also is feasible.
In the various embodiments described above, change by the pressure between frizzen 107 and the trigger switch 112 and to come the gated sweep device whether to start working, but in the present invention, beginning that also can be by other mode gated sweep devices or stop scanning, for example, by light-operated or acoustic control etc.
In the various embodiments described above, communication interface 111 is preferably the USB mouth, but in the present invention, communication interface 111 also can be other forms.
In the various embodiments described above, the mode of central processing unit employing multithreading is spliced respectively the image of the N group specified quantity of described imageing sensor collection, generate the N opening and closing and become image, and become image to carry out character recognition to every opening and closing respectively, discharge the memory headroom that every group of image takies then respectively.
By in processing procedure, adopting the multithreading processing mode, therefore can the efficient of entire process system be improved by the service efficiency that improves resources such as central processing unit and internal memory, thereby improved the speed of the scanning and the identification of scanister, and, in processing procedure, a plurality of threads of being opened discharge shared system resource respectively in character recognition with after being connected processing, therefore in the process of handling new scans content, multithreading can ceaselessly recycle above-mentioned d/d system resource, the situation that resource is taken can not appear, thereby eliminated the restriction of sweep length, avoided user's wait, made scanning and identification more smooth.
Should be noted that: the above detailed description of technical scheme of the present invention being carried out by preferred embodiment is illustrative and not restrictive.Those of ordinary skill in the art is reading on the basis of instructions of the present invention and can make amendment to the technical scheme that each embodiment put down in writing, and perhaps part technical characterictic wherein is equal to replacement; And these modifications or replacement do not make the essence of appropriate technical solution break away from the spirit and scope of various embodiments of the present invention technical scheme.Protection scope of the present invention is only limited by the claims of enclosing.
Claims (12)
1. a scanister is characterized in that, comprising:
Image acquisition units is gathered many images that are scanned medium; And
Central processing unit is divided into N group with many images that collect according to default quantity, and every group of image spliced with character recognition handle respectively, and the character identification result after the output processing; Wherein, N is a natural number.
2. scanister according to claim 1 is characterized in that, described central processing unit respectively every group of image is spliced and character recognition is handled, and comprising: respectively many images in every group are spliced, obtain the N opening and closing and become image; Become image to carry out respectively the character identification result that obtains being connected processing after the character recognition to every opening and closing, discharge the memory headroom that described every group of image takies then respectively.
3. scanister according to claim 2, it is characterized in that, described the character identification result that obtains is connected processing, comprise: the tail frame according to current composograph becomes the first frame of image that the two adjacent groups character identification result is judged with next opening and closing, if there are the data that repeat mutually in described tail frame and first frame, then in described character identification result, delete corresponding repeat character (RPT); If described tail frame splices the corresponding new character picture in back mutually with first frame, then in described character identification result, increase the pairing character of character picture.
4. scanister according to claim 1 is characterized in that, also comprises trigger switch, is used for sending trigger pip to described central processing unit.
5. scanister according to claim 4 is characterized in that, also comprises control lever, and described control lever is by contacting the power that is produced and control described trigger switch and send described trigger pip to described central processing unit with the described medium that is scanned.
6. scanister according to claim 1 is characterized in that, described image acquisition units comprises at least one camera lens and at least one imageing sensor corresponding with described camera lens.
7. scanister according to claim 6 is characterized in that, described image acquisition units also comprises and is used to illuminate described at least one illuminating device that is scanned medium.
8. according to each described scanister of claim 1 to 7, it is characterized in that described scanister also comprises the image acquisition board that is used to that the main circuit board of described central processing unit is set and is used to be provided with described image acquisition units; The junction of described main circuit board and described image acquisition board is provided with described image sensor alignment parts, is used for making described imageing sensor and described to be scanned medium parallel when scanning; The bottom of described image acquisition board is provided with described illuminating device.
9. scanister according to claim 8 is characterized in that, described main circuit board is vertical mutually with described image acquisition board.
10. a scan method is characterized in that, described scan method comprises following process:
Collection is scanned many images of medium; And
Many images that collect are divided into N group according to default quantity, every group of image are spliced with character recognition handle respectively, and the character identification result after the output processing; Wherein, N is a natural number.
11. scan method according to claim 10 is characterized in that, described respectively every group of image spliced and character recognition is handled, comprising: respectively many images in every group are spliced, obtain the N opening and closing and become image; Become image to carry out respectively the character identification result that obtains being connected processing after the character recognition to every opening and closing, discharge the memory headroom that described every group of image takies then respectively.
12. scan method according to claim 11, it is characterized in that, described the character identification result that obtains is connected processing, comprise: the tail frame according to current composograph becomes the first frame of image that the two adjacent groups character identification result is judged with next opening and closing, if there are the data that repeat mutually in described tail frame and first frame, then in described character identification result, delete corresponding repeat character (RPT); If described tail frame splices the corresponding new character picture in back mutually with first frame, then in described character identification result, increase the pairing character of character picture.
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| CN103699890A (en) * | 2012-09-27 | 2014-04-02 | 汉王科技股份有限公司 | Scan input device and scan input method |
| CN109240183A (en) * | 2018-11-16 | 2019-01-18 | 广东美的厨房电器制造有限公司 | The control method and household electrical appliance of household electrical appliance |
| CN113420170A (en) * | 2021-07-15 | 2021-09-21 | 宜宾中星技术智能系统有限公司 | Multithreading storage method, device, equipment and medium for big data image |
| CN113989804A (en) * | 2021-11-11 | 2022-01-28 | 北京百度网讯科技有限公司 | Character recognition method, device, equipment and storage medium |
| CN115113748A (en) * | 2022-08-30 | 2022-09-27 | 青岛罗博数码科技有限公司 | Extract marking method and extract marking pen |
| CN115529395A (en) * | 2022-11-28 | 2022-12-27 | 湖南兰茜生物科技有限公司 | Image scanning method for slice scanner and pathology reading all-in-one machine |
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