CN103077625A - Blind electronic reader and blind assistance reading method - Google Patents
Blind electronic reader and blind assistance reading method Download PDFInfo
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- CN103077625A CN103077625A CN201310036567XA CN201310036567A CN103077625A CN 103077625 A CN103077625 A CN 103077625A CN 201310036567X A CN201310036567X A CN 201310036567XA CN 201310036567 A CN201310036567 A CN 201310036567A CN 103077625 A CN103077625 A CN 103077625A
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Abstract
The invention discloses a blind electronic reader which comprises an acquisition unit, an OCR (Optical Character Recognition) unit, a speech processing unit, a power management unit, an input unit, a central processing unit, a display screen and an ROM (Read Only Memory) storage unit, wherein the acquisition unit is used for converting paper words into electronic picture data through scanning or photographing; the OCR unit is used for recognizing electronic pictures into electronic text documents through an OCR technology; and the speech processing unit is used for converting the electronic text documents into voice data flow to be decoded and played by adopting a TTS (Text To Speech) speech synthesis technology. The invention further discloses a blind assistance reading method which comprises the following steps that the paper words are converted into the electronic picture data through scanning or photographing; the electronic pictures are recognized into the electronic text documents through the OCR technology; and the electronic text documents are converted into the voice data flow to be decoded and played by adopting the TTS speech synthesis technology. The reader and the method can be used for effectively assisting the blind to read the paper words.
Description
Technical field
The present invention relates to blind person's articles for use technical field, more particularly, particularly a kind of blind with electronic reader with help blind reading method.
Background technology
Blind person and vision disorder personage are the disadvantaged group of society, and the disappearance of visual capacity is so that they can't be with mode obtaining information the most intuitively.The major way that the blind person obtains the information in the objective world is the sense of hearing and touch, therefore, how the various information of objective world being converted into the mode that the blind person can accept is exactly ability technician's important subject, and one of problem that wherein will solve is exactly how Word message to be passed to the blind person.
At present, blind person or the vision disorder personage major way that obtains Word message has following several: by CASE(Computer Aided Software Engineering) electronic characters information is converted into voice; The papery written historical materials is converted into the information that touches perception by utility appliance; Perhaps by utility appliance the papery Word message is converted into voice messaging.Obviously comparatively speaking, it is more visual and understandable that Word message is converted into acoustic information.
In the prior art, a kind of blind electronics book reading machine of using is arranged, comprise power management module, system control module, the audio driven module, the radio processing module, sound recording processing module, driver module, the literal identification module, voice synthetic module, the DAISY parsing module, the Voice Navigation module, document management module, system arranges module and Keyboard drive module etc., that electronic characters information is converted into acoustic information, the blind person comes listening to electronic book with this book reading machine, the daisy book, music, radio, and can record, but but can't know for the Word message of papery.
In sum, the blind electronics book reading machine of using of the prior art, existence can't be obtained the technological deficiency of papery Word message.
Summary of the invention
The technical problem to be solved in the present invention can be identified the papery literal and be converted into acoustic information for a kind of blind electronic reader of using is provided.
In order to achieve the above object, technical scheme of the present invention is achieved in that
The invention provides a kind of blind electronic reader of using, comprise acquiring unit, OCR recognition unit, Audio Processing Unit, Power Management Unit, input block, CPU (central processing unit), display screen, ROM storage unit; Described acquiring unit is used for by scanning or takes pictures the papery literal is converted into the electronic pictures formatted data; Described OCR recognition unit is used for by the OCR recognition technology electronic pictures being identified as the e-text document; Described Audio Processing Unit is used for decoding and broadcast after employing TTS speech synthesis technique is converted to audio data stream with the e-text document.
Wherein, described acquiring unit comprises camera and flashlamp, and described camera is fixedly installed on the described shell, and flashlamp is arranged on enclosure, is fixedly connected with described camera; Described camera and described ROM storage unit are electrically connected; Described camera is Q302Z; Described flashlamp is LED flashlamp XL3528SWT4.
Wherein, described Power Management Unit comprises key and power management chip; Described key is arranged on the described shell, is electrically connected with described power management chip; Described power management chip and described CPU (central processing unit) are electrically connected.
Wherein, described input block is keyboard or touch-screen.
Wherein, described Audio Processing Unit comprises phonetic synthesis unit and sound card; Described phonetic synthesis unit and described sound card are electrically connected; Described phonetic synthesis unit and described ROM storage unit and described CPU (central processing unit) are electrically connected.
Wherein, also comprise recording unit and radio reception unit; Described recording unit comprises recording chip, and described recording chip and described ROM storage unit and CPU (central processing unit) are electrically connected; Described radio reception unit comprises the radio reception chip, and described radio reception chip and described sound card and CPU (central processing unit) are electrically connected.
The present invention also discloses a kind of blind reading method that helps, and comprises step:
Steps A is converted into the electronic pictures formatted data by scanning or taking pictures with the papery literal;
Step B is identified as the e-text document by the OCR recognition technology with electronic pictures;
Step C, employing TTS speech synthesis technique decode and broadcast after the e-text document is converted to audio data stream.
Wherein, described steps A comprises step:
Camera is set to macro mode, takes and stores in the distance of 8-12 centimetre of distance papery literal, and the papery literal is converted into the electronic pictures formatted data;
And/or, by portable CCD scan bar just the papery textual scan become picture and the storage, the papery literal is converted into the electronic pictures data layout.
Wherein, also comprise step among the described step C after the decoding before the broadcast:
Resolve respectively after decoded Daisy file classified according to Smil file, NCC file, master file;
Tag format according to Daisy carries out the keyword match retrieval, and sets up index, carries out document alignment and sound localization according to index simultaneously.
Wherein, after the described step B, also comprise step before the described step C:
The content of the e-text document of various structures is carried out adaptation processing be converted to unified institutional framework and form.
The present invention has following technique effect:
Of the present invention a kind of blind in electronic reader and help blind reading method, comprise acquiring unit, OCR recognition unit, Audio Processing Unit, Power Management Unit, input block, CPU (central processing unit), display screen, ROM storage unit.Acquiring unit wherein, can take pictures or scan Word message, the papery Word message is converted into electronic pictures and is stored in described ROM storage unit, and the OCR recognition unit is identified the literal picture of taking by the OCR recognition technology, identification Word message wherein, and synthesize voice and play by Audio Processing Unit, thereby realized the papery literal is converted into acoustic information.
Further, use daisy file decoding technology, carry out the keyword match retrieval, can realize according to key word text document and voice data file being positioned;
Further, the content of the e-text document of various structures is carried out adaptation processing be converted to unified institutional framework and form, be convenient to management and using.
Description of drawings
In order to be illustrated more clearly in the embodiment of the invention or technical scheme of the prior art, the below will do one to the accompanying drawing of required use in embodiment or the description of the Prior Art and introduce simply, apparently, accompanying drawing in the following describes is some embodiments of the present invention, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is a kind of blind structural representation of using an embodiment of electronic reader of the present invention;
Fig. 2 is a kind of blind structural representation of using another embodiment of electronic reader of the present invention;
Fig. 3 is a kind of process flow diagram that helps an embodiment of blind reading method of the present invention.
Embodiment
For the purpose, technical scheme and the advantage that make the embodiment of the invention clearer, below in conjunction with the accompanying drawing in the embodiment of the invention, technical scheme in the embodiment of the invention is clearly and completely described, obviously, described embodiment is the present invention's part embodiment, rather than whole embodiment.Based on the embodiment among the present invention, those of ordinary skills belong to the scope of protection of the invention not making the every other embodiment that obtains under the creative work prerequisite.
Embodiment one
Present embodiment provides a kind of blind electronic reader of using, and referring to shown in Figure 1, comprises acquiring unit, OCR recognition unit, Audio Processing Unit, Power Management Unit, input block, CPU (central processing unit), display screen, ROM storage unit.
Described acquiring unit is used for by scanning or takes pictures the papery literal is converted into the electronic pictures formatted data.
Described OCR recognition unit be used for to adopt the OCR character recognition technology to realize taking or the literal of the electronic pictures that scanning is obtained is identified, and converts to be sent to described ROM storage unit behind the e-text document and to store.
Described Audio Processing Unit is used for decoding and broadcast after employing TTS speech synthesis technique is converted to audio data stream with the e-text document.
Wherein, described input block, described CPU (central processing unit), described OCR recognition unit, described Audio Processing Unit, described display screen, described ROM storage unit and described image unit place the enclosure of this reader.
Described CPU (central processing unit) and described Power Management Unit, described input block, described OCR recognition unit, described Audio Processing Unit, described display screen, described ROM storage unit and described image unit are electrically connected.
Described ROM storage unit is electrically connected with described image unit, described OCR recognition unit and described Audio Processing Unit and is electrically connected.
In the present embodiment, described Power Management Unit comprises key and power management chip.
Described key is arranged on the described shell, is electrically connected with described power management chip; Described power management chip and described CPU (central processing unit) are electrically connected.
Wherein, described shell is used for placing inner each functional part, adopts rigid plastic or aluminum alloy material.
Described Power Management Unit is used for controlling the unlatching of this reader or closing according to the steering order of user instruction and CPU (central processing unit), and the high-voltage ac power of outside is converted to the needed low-voltage dc power supply of each parts.
Described input block, the operational order for the input user can also can be touch-screen for keyboard.Particularly, if be touch-screen, should notice that this touch-screen should arrange on the surface of touch-screen corresponding projection, so that the blind person knows the corresponding Petting Area of this projection, perhaps this touch-screen can come the decision operation instruction with touch number of times or interval by the pressure size that the user touches.
Described CPU (central processing unit) is used for other each parts are controlled and coordinated, and carries out the partial data work for the treatment of.
Described display screen is used for showing electronic document information.
Described ROM storage unit is for the image data that stores the image unit shooting with by the data for electronic documents after the OCR recognition unit processes.
Preferably, referring to shown in Figure 2, preferably, this reader comprises shell, Power Management Unit, input block, CPU (central processing unit), OCR recognition unit, Audio Processing Unit, display screen, ROM storage unit, image unit, recording unit and radio reception unit.
In the present embodiment, described Power Management Unit also comprises key and power management chip, and described power management chip is XC6206P332MR.
Described input block is keyboard, and the button of various operational orders is set, and is used for input user's operational order.For example, can comprise the pattern switching key of selecting the work at present pattern etc.Preferably, this keyboard model is T06B.
In the present embodiment, preferably, described CPU (central processing unit) is the S3C6410 chip of Samsung, and described display screen is LCD display EClamp237.
In the present embodiment, described Audio Processing Unit comprises phonetic synthesis unit and sound card.
Described phonetic synthesis unit and described sound card are electrically connected; Described phonetic synthesis unit and described ROM storage unit and described CPU (central processing unit) are electrically connected.
Preferably, described sound card is WM9714LGEFL.
In the present embodiment, described image unit comprises camera and flashlamp, and described camera is fixedly installed on the described shell, and flashlamp is arranged on enclosure, is fixedly connected with described camera; Described camera and described ROM storage unit are electrically connected.
In the present embodiment, preferably, described camera is the automatic focusing camera head, and described camera is Q302Z particularly; And/or described flashlamp is LED flashlamp XL3528SWT4.
In the present embodiment, also comprise recording unit and radio reception unit; Described recording unit comprises recording chip, and described recording chip and described ROM storage unit and CPU (central processing unit) are electrically connected; Described radio reception unit comprises the radio reception chip, and described radio reception chip and described sound card and CPU (central processing unit) are electrically connected.
Preferably, described recording chip, model is KS-6027P, the model of radio reception chip is RDA5807HS.
The reader that the embodiment of the invention one provides, can utilize the OCR character recognition technology to realize bookish text conversion is become electronic document, then adopt the TTS speech synthesis technique that e-text is converted to sound, allow clog-free " listening to storytelling " that the blind person can be real.
Embodiment two
Present embodiment provides a kind of blind reading method that helps, and referring to shown in Figure 3, comprises step:
Step S110 is converted into the electronic pictures formatted data by scanning or taking pictures with the papery literal.
Wherein the identification of OCR literal is divided into take pictures identification and scan bar identification dual mode, the identification of taking pictures is the macro mode by the automatic focusing camera head, take in the distance that the distance literal is certain, then captured picture is identified as literal by the OCR technology, and by the TTS speech play out.Particularly, camera is set to macro mode, takes and stores in the distance of 8-12 centimetre of distance papery literal, and the papery literal is converted into the electronic pictures formatted data.Preferably, take at 10 cm distance places.
Scan bar identification be by portable CCD scan bar just the papery textual scan become picture and storage, the papery literal is converted into the electronic pictures data layout.Particularly, be to become picture to deposit the tf card in the textual scan on the paper book by portable CCD scan bar, then the tf card is inserted on the youth that listens to storytelling, the OCR recognition function by the electronic eyes above the youth of listening to storytelling becomes literal with picture recognition.
Preferably, use 3,000,000 pixel cmos camera modules to carry out image acquisition and simple image pre-service.
Step S111 is identified as the e-text document by the OCR recognition technology with electronic pictures.
OCR(Optical Character Recognition, optical character identification) identification, be about to the character that scanner or digital camera obtain, by detecting its shape of dark, bright mode decision, then with character identifying method shape translated into the process of computword.That is, text information is scanned, then image file is carried out analyzing and processing, obtain the process of literal and layout information.
Step S112, employing TTS speech synthesis technique decode and broadcast after the e-text document is converted to audio data stream.
Resolve respectively after the Daisy file classified according to Smil file, NCC file, master file, extract the corresponding relation of content information, chapters and sections information, audio-frequency information, temporal information and content information, chapters and sections information, audio-frequency information and the temporal information of each file; According to the various information and the corresponding relation that extract, carry out the keyword match retrieval, and set up index, carry out document alignment and sound localization according to index simultaneously.Can realize like this file being positioned easy-to-read according to the key word of user's input.
The DAISY book is a kind of digital audiobook, Smil culture and NCC file and master file are not that traditional audio file can be play-overed, what deposited their the insides is the one-to-one relationships such as content, chapters and sections information, audio file of DAISY book, and these files have a lot, parsing is for these relations being set up index, making audio frequency and word content corresponding one by one.
Wherein Daisy file consolidation deposits tree structure in, passes through the standard interface unified call when playing.
Preferably, audio frequency is play to adopt based on DirectShow audio decoder playback interface and is realized, can support simultaneously a plurality of audio frequency to play simultaneously.
Preferably, the content of the e-text document of various structures is carried out adaptation processing and be converted to unified institutional framework and form.Namely for the diversity of e-book content structure, design a kind of e-book Content Organizing structure and form of general embedded devices such as suitable personal digital assistant.Adopt a kind of formalized description and automatically rule treatment mechanism, the e-book content of various structures is carried out adaptation processing, form the e-book content of universal architecture, so that follow-up unified the processing.Blind person's digital assistants is supported reading aloud word for word, sentence by sentence, piecemeal of the format texts such as TXT, HTML, DOC at present, satisfies various demand of blind person.
Preferably, also should add omnidistance Voice Navigation module, realize the omnidistance Voice Navigation of this product, make the blind person can clog-free use the machine; Simultaneously preferably, can customize for the blind person electronic dictionary of a blind person's special use based on Voice Navigation; And the wordpad that arranges based on windows mobile system improves the e-book of writing, and has the ebook function of supporting simultaneously txt, two kinds of forms of doc, supports that simultaneously text is highlighted, automatic page turning, automatically the function such as reads aloud.
Of the present invention a kind of blind with electronic reader with help blind reading method, employing is based on the OCR image recognition technology of 3,000,000 CMOS cameras or scan bar, realize literal to the conversion of voice, and can omnidistance Voice Navigation, and with electronic dictionary and the DAISY player of Voice Navigation.
Preferably, reader provided by the invention, unified calling interface also is set, with word, txt, three kinds of form various structures of html the e-text document process respectively with described calling interface suitablely, the e-text document that makes word, txt, three kinds of forms of html shows with same form.
With the text document of word, txt, three kinds of forms of html on the backstage to carrying out different disposal, in the identical situation of calling interface, reach lip-deep unification, and extract text message wherein, be converted to voice messaging by voice synthetic module.
It should be noted that at last: above embodiment only in order to technical scheme of the present invention to be described, is not intended to limit; Although with reference to previous embodiment the present invention is had been described in detail, those of ordinary skill in the art is to be understood that: it still can be made amendment to the technical scheme that aforementioned each embodiment puts 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.
Claims (10)
1. the blind electronic reader of using is characterized in that, comprises acquiring unit, OCR recognition unit, Audio Processing Unit, Power Management Unit, input block, CPU (central processing unit), display screen, ROM storage unit;
Described acquiring unit is used for by scanning or takes pictures the papery literal is converted into the electronic pictures formatted data;
Described OCR recognition unit is used for by the OCR recognition technology electronic pictures being identified as the e-text document;
Described Audio Processing Unit is used for decoding and broadcast after employing TTS speech synthesis technique is converted to audio data stream with the e-text document.
2. the blind electronic reader of using according to claim 1 is characterized in that, described acquiring unit comprises camera and flashlamp, and described camera is fixedly installed on the described shell, and flashlamp is arranged on enclosure, is fixedly connected with described camera;
Described camera and described ROM storage unit are electrically connected;
Described camera is Q302Z;
Described flashlamp is LED flashlamp XL3528SWT4.
3. the blind electronic reader of using according to claim 1 is characterized in that described Power Management Unit comprises key and power management chip;
Described key is arranged on the described shell, is electrically connected with described power management chip;
Described power management chip and described CPU (central processing unit) are electrically connected.
4. the blind electronic reader of using according to claim 1 is characterized in that, described input block is keyboard or touch-screen.
5. the blind electronic reader of using according to claim 1 is characterized in that described Audio Processing Unit comprises phonetic synthesis unit and sound card;
Described phonetic synthesis unit and described sound card are electrically connected;
Described phonetic synthesis unit and described ROM storage unit and described CPU (central processing unit) are electrically connected.
6. the blind electronic reader of using according to claim 4 is characterized in that, also comprises recording unit and radio reception unit;
Described recording unit comprises recording chip, and described recording chip and described ROM storage unit and CPU (central processing unit) are electrically connected;
Described radio reception unit comprises the radio reception chip, and described radio reception chip and described sound card and CPU (central processing unit) are electrically connected.
7. one kind is helped blind reading method, it is characterized in that, comprises step:
Steps A is converted into the electronic pictures formatted data by scanning or taking pictures with the papery literal;
Step B is identified as the e-text document by the OCR recognition technology with electronic pictures;
Step C, employing TTS speech synthesis technique decode and broadcast after the e-text document is converted to audio data stream.
8. according to claim 7ly help blind reading method, it is characterized in that described steps A comprises step:
Camera is set to macro mode, takes and stores in the distance of 8-12 centimetre of distance papery literal, and the papery literal is converted into the electronic pictures formatted data;
And/or, by portable CCD scan bar just the papery textual scan become picture and the storage, the papery literal is converted into the electronic pictures data layout.
9. according to claim 7ly help blind reading method, it is characterized in that decoding comprises step among the described step C:
Resolve respectively after the Daisy file classified according to Smil file, NCC file, master file, extract the corresponding relation of content information, chapters and sections information, audio-frequency information, temporal information and content information, chapters and sections information, audio-frequency information and the temporal information of each file;
According to the various information and the corresponding relation that extract, carry out the keyword match retrieval, and set up index, carry out document alignment and sound localization according to index simultaneously.
10. according to claim 7ly help blind reading method, it is characterized in that, after the described step B, also comprise step before the described step C:
Unified calling interface is set, the e-text document of word, txt, three kinds of forms of html is processed respectively with described calling interface suitable, the e-text document that makes word, txt, three kinds of forms of html shows with same form.
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| CN112908111A (en) * | 2021-01-30 | 2021-06-04 | 云知声智能科技股份有限公司 | Touch reading method, device and system for blind people |
| CN114120769A (en) * | 2021-11-29 | 2022-03-01 | 云知声智能科技股份有限公司 | Braille reading method, device, storage medium and electronic device |
| CN114913745A (en) * | 2022-05-26 | 2022-08-16 | 深圳大学 | Braille reader, Braille coding method and system |
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Application publication date: 20130501 |