CN109982041A

CN109982041A - A kind of image procossing tracking system and its image tracking method

Info

Publication number: CN109982041A
Application number: CN201910249581.5A
Authority: CN
Inventors: 王丹玲; 王昭淮
Original assignee: Eastern Liaoning University
Current assignee: Eastern Liaoning University
Priority date: 2019-03-29
Filing date: 2019-03-29
Publication date: 2019-07-05

Abstract

The invention discloses a kind of image procossing tracking system and its image tracking method, image trace fields, comprising: the radiofrequency signal of radio frequency chip on Intelligent bracelet real-time detection intelligent book current page, and the radiofrequency signal is sent to voice announcer；Image tracker real-time tracking shoots the eyeball image of reader, and the eyeball image is sent to the voice announcer；The voice announcer obtains the book contents that the reader is reading based on the radiofrequency signal and the eyeball image, and the book contents read are carried out voice broadcast according to preset rules.Image tracking method provided by the present application and device are easy to use as a result, can automatically analyze the book contents that children are reading without any operation, and carry out automatic information broadcast to it, substantially increase learning effect, and interest is strong, are conducive to formative education before learning.

Description

A kind of image procossing tracking system and its image tracking method

Technical field

The present invention relates to image trace fields, in particular to a kind of image procossing tracking system and its image trace Method.

Background technique

Currently, increasingly developed with various reading matters and books, especially children's education there is an urgent need to various The technical requirements of book are also higher and higher.In known technology, existing school bag includes the children's book mainly printing word on paper Or/and it binds after picture into book.When needing to read, books are opened, but for children or the juvenile for needing to learn to read with the aid of pictures, Help to read with greater need for someone, current product is mostly that talking pen or automatic full text are broadcasted, but on operated using talking pen Trouble, automatic full text casting specific aim is poor, can not know the focus of children, so that study is uninteresting, effect is poor, using not Just；

Image is the main source that the mankind obtained and exchanged information, and therefore, the application field of image procossing necessarily involves The every aspect of human lives and work.With the continuous expansion of mankind's activity range, the application field of image procossing also will be with It is continuous expansion.At this stage for there are many kinds of the systems of Digital Image Processing, and from cost, performance, exploitation complexity etc. Comprehensively consider, the flexibility based on FPGA and DSP is higher, practicability is stronger, the image compression system of high reliablity is shown one's talent. In the image processing system of this kind of structure, the communication mode and speed of data, whole by directly affecting between FPGA and DSP The efficiency of a image processing system.

Summary of the invention

In order to overcome above-mentioned deficiency in the prior art, the purpose of the present invention is to provide a kind of image tracking method and dresses It sets, it is easy to use, the book contents that children are reading can be automatically analyzed without any operation, and automatic speech is carried out to it Casting, substantially increases learning effect, and interest is strong, is conducive to formative education before learning.

To achieve the goals above, technical solution used in the embodiment of the present invention is as follows:

A kind of image procossing tracking system, comprising Intelligent bracelet, voice announcer, image tracker, image processing apparatus, Radio frequency chip in power module, intelligent book and the every page that is arranged in the intelligent book, the radio frequency chip with Intelligent bracelet connection, the Intelligent bracelet are connect with voice announcer, and described image tracker passes through image processing apparatus and language The connection of sound broadcast device；The power module is connect with voice announcer, image tracker, image processing apparatus respectively；

Wherein, described image processing unit include image data receiving module, task scheduling modules, processing threading models, Video Decoder, fpga chip, two-door RAM, dsp chip, image scaling module, VGA coding chip, SD card, FLASH module, First SDRAM and the 2nd SDRAM,

Described image data reception module, task scheduling modules, processing threading models, Video Decoder, fpga chip according to Secondary connection, the fpga chip are separately connected the first SDRAM, VGA coding chip and SD card, and the VGA coding chip is equipped with USB interface, the dsp chip are separately connected image scaling module, FLASH module and the 2nd SDRAM, the two-door RAM difference Connect fpga chip and dsp chip；

Described image data reception module is for receiving image data；

Task scheduling modules are to transmit received image data；

Handling threading models includes multiple processing threads to received image data, and is carried out to received image data Processing；

The Video Decoder is used to received picture signal carrying out A/D conversion, forms the video format of standard And it is input to fpga chip；

The fpga chip includes preprocessing module and high speed processing module；

The preprocessing module is for pre-processing received digital image data；

The high speed processing module is used to carry out high speed processing to pretreated digital image data；

In the first SDRAM for being buffered in it outside piece by the control of fpga chip, VGA coding chip has been accomplished pair later The real-time display of image, if user has selected compact model, then original image data will deposit mould by frame by external control Block moves in cache module, and dsp chip is efficiently read in two-door RAM by way of EMIF interface outer extension memory Image data；After image data carries out JPEG compression inside dsp chip, pass through cache module in an identical manner, It transmits data to fpga chip and carries out storage control, accomplish the storage and backup of compressing image data；

VGA coding chip main function is that the collected digital picture of fpga chip is converted into analog image in real time Data, and be output on the display with USB interface；The VGA coding chip includes image coding circuit and USB interface electricity Road；

The top of the voice announcer, including broadcast device ontology, the broadcast device ontology is equipped with camera, described to broadcast It is provided with microphone, loudspeaker and time display screen on report device ontology, the broadcast device ontology is internally provided with control module, deposits Store up module, signal projector, signal receiver, bluetooth module, 4G communication module, timer, phonographic recorder and shielding instrument, the control Molding block is electrically connected camera, memory module, microphone, loudspeaker, signal projector, signal receiver, indigo plant by data conductor Tooth module, 4G communication module, timer, phonographic recorder and shielding instrument, the control module includes PLC controller and PLC controller The A/D converter and relay of electrical connection, the bluetooth module pass through bluetooth connection personal terminal；

By setting phonographic recorder and microphone, the voice announcer can be made to achieve the effect that recording by microphone, then again The content of the recording is stored in memory module, convenient for when needed, being played back by loudspeaker；Then shielding is set again Instrument can have the function that shielding, can be avoided student's cheating in examination；

Then 4G communication module and bluetooth module are set again, terminal device can be connected by 4G communication module, pass through indigo plant Tooth module is connected with personal terminal, and then enables people to through the content in the player plays personal terminal；Then again Timer is set, and time display screen is set in broadcast device, can in real time by time showing on time display screen for learning It is raw to check, simultaneously, additionally it is possible to select the appropriate time to play back by loudspeaker, to remind student examination progress；Then again Camera 2 is set, can be filmed the situation in examination hall by camera 2, and then can reach invigilator's in examination Effect；

As a kind of further preferred scheme of image procossing tracking system of the present invention, the A/D converter includes flyback Formula transformer, rectification filtering module, start-up circuit, starting control and low pressure locking module, peak current detection, sampling keep mould Block, error amplifier, CV control module, demagnetization time detection module, CC control module, PFM Logic control module, driving mould Block, power switch tube M1；The start-up circuit includes a power switch tube Q1, the primary side winding Np's of the flyback transformer Upper end connects the end external input voltage Vin, and the lower end of primary side winding Np connects start-up circuit；The secondary side of the flyback transformer The external rectification filtering module of winding Ns connection；The auxiliary winding Naux of the transformer is separately connected sampling through electric resistance partial pressure and keeps The input terminal of module and demagnetization time detection module, the auxiliary winding Naux of the flyback transformer are sent into VDD through diode End connection starting control and low pressure locking module；One end of the start-up circuit is also fed into vdd terminal connection starting control and low pressure Locking module, the other end connect the drain terminal of power switch tube M1；The source of the power switch tube M1 is through the end CS connection peak value electricity Flow the input terminal of detection；The input terminal of the output end connection PFM logic control of the peak current detection；The rectifying and wave-filtering mould The output end of block connects the end voltage output Vout；The output end of the sampling and keep module passes sequentially through error amplifier, CV control The input terminal of molding block connection PFM Logic control module；The output end of the demagnetization time detection module is through CC control module It is connected to the input terminal of PFM logic control, the output end of PFM Logic control module controls power switch tube M1 by drive module With the on-off of power switch tube Q1, to control the on-off of flyback transformer primary circuit；

The flyback transformer is isolated for realizing energy transmission and electric appliance；

Rectification filtering module is filtered for output voltage；

Starting control and low pressure locking module are used to limit the size of chip interior feeder ear voltage, with anti-misoperation；

Sampling and keep module is for realizing the sampling to feedback voltage, with later compared with reference voltage；

Error amplifier is for realizing the amplification of the error of sampled voltage and reference voltage；

PFM logic control for realizing voltage against frequency control；

Crest voltage detection is fed back for primary current；

Drive module realizes primary side on-off for driving Q1 and M1；

Wherein, on intelligent book current page described in the Intelligent bracelet real-time detection radio frequency chip radiofrequency signal, and will The radiofrequency signal is sent to the voice announcer；

Described image tracker real-time tracking shoots the eyeball image of reader, is handled by image processing apparatus, and will The eyeball image is sent to the voice announcer；

The voice announcer obtains what the reader was reading based on the radiofrequency signal and the eyeball image Book contents, and the book contents read are subjected to voice broadcast according to preset rules；

The book page mark and corresponding book contents of every page of the intelligent book, institute are stored in the voice announcer It states voice announcer and the book contents that the reader is reading is obtained based on the radiofrequency signal and institute's track eyeball image, and The step of book contents read are subjected to voice broadcast according to preset rules, comprising:

The voice announcer carries out signal resolution to the radiofrequency signal, obtains the corresponding book page of the radiofrequency signal Mark；

Based on the book contents of intelligent book current page described in the book page identifier lookup, and in real time to the eyeball figure As carrying out image analysis, the eyeball fixes position of the reader is obtained；

The book contents that the reader is reading are extracted in the current page according to the eyeball fixes position, and The book contents read are subjected to voice broadcast according to preset rules；

It is described that image analysis is carried out to the eyeball image in real time, obtain the step of the eyeball fixes position of the reader Suddenly, comprising:

Coordinate position to the eyeball pupil of reader in the eyeball image on the current page in real time, to obtain State the eyeball fixes position of reader；

It is described to be extracted in the books that the reader is reading in the current page according to the eyeball fixes position The step of appearance, comprising:

Using the eyeball fixes position as the center of circle or center, in conjunction with preset eyeball crusing radius or eyeball observation line number and Eyeball observation number of words obtains reading area；

Book contents shown in the reading area correspondence are parsed from the current page to read as the reader The book contents of reading；

The content type of the analysis book contents read；

The book contents read voice is carried out according to the corresponding voice broadcasting modes of the content type to broadcast Report；

The radiofrequency signal is based in the voice announcer and the eyeball image obtains the reader and reading Book contents, it is described and after the step of book contents read are carried out voice broadcast according to preset rules Method further include:

The Intelligent bracelet obtains the motion information of reader in real time, and the motion information is sent to the voice and is broadcast Report device；

The voice announcer judges whether the reader is in active state according to the motion information；

When determining that the reader is in active state, stop broadcasting the book contents；

The Intelligent bracelet obtains the voice messaging of the reader in real time, and the voice messaging is sent to institute's predicate Sound broadcast device；

The voice announcer judges whether the reader is in talk state according to the voice messaging；

When determining that the reader is in talk state, stop broadcasting the book contents；

Intelligent bracelet obtains the voice messaging of the reader in real time, and the voice messaging is sent to the voice and is broadcast Report device；

Voice messaging and the book contents generation pair read of the voice announcer according to the reader The interactive voice answered, and the interactive voice is subjected to voice broadcast.

Applied to voice announcer, the voice announcer and Intelligent bracelet, image tracker are communicated to connect, wherein institute It states image tracker to be arranged in the monitoring region of intelligent book, in the every page in the Intelligent bracelet and the intelligent book The radio frequency chip of setting carries out signal interaction, which comprises

Receive the radiofrequency signal of radio frequency chip on the intelligent book current page of the Intelligent bracelet real-time detection；

Receive the eyeball image of the reader of described image tracker real-time tracking shooting；

The book contents that the reader is reading are obtained based on the radiofrequency signal and the eyeball image, and according to The book contents read are carried out voice broadcast by preset rules.

As a kind of further preferred scheme of image procossing tracking system of the present invention, described image Zoom module includes volume Product computing module, coefficient setting module and control module；Image scaling module needs to be contracted according to image for realizing image scaling The multiplying power put determines the cell cube comprising right quantity pixel；Inside cell cube, determined according to Image Zooming Algorithm each defeated The calculation formula of pixel and convolution coefficient out determine the hardware plan for realizing Dot Clock times yupin effect；Forward mapping mode inputs It is in frame synchronization state with output, since output pixel quantity is more than input pixel, the dot clock frequencies of output pixel are higher than Input pixel；It realizes that times yupin effect can input Dot Clock using the independent clock or frequency multiplication of higher frequency, increases data/address bus Width；To save data space, when amplifying to image, the amplification in rank of advanced units direction, the amplification in laggard every trade direction； When to image down, the diminution in advanced every trade direction, the diminution in laggard ranks direction.

As a kind of further preferred scheme of image procossing tracking system of the present invention, the power module includes chargeable Battery is equipped with charging control circuit, charge/discharge control circuit, charging current detection module, end voltage on the rechargeable battery Detection module, micro controller module, discharge current detection module, human-computer interaction module, pwm driver；

Alternating current connects rechargeable battery by charging control circuit, and the rechargeable battery connects charge/discharge control circuit；

The charging current detection module, terminal voltage detecting module, discharge current detection module respectively with microcontroller mould Block connection, for distinguishing the charging current of real-time detection rechargeable battery, in rechargeable battery voltage, rechargeable battery electric discharge Electric current, and the electric signal of acquisition is uploaded to micro controller module；

Human-computer interaction module is connect with micro controller module, for checking the voltage status and charge and discharge electricity of rechargeable battery Stream mode, and for setting microcontroller parameter threshold；

The pwm driver is connected with micro controller module, charging control circuit, charge/discharge control circuit respectively, is used for root According to the voltage and current parameter of acquisition, and then drive the pwm signal of charging control circuit and charge/discharge control circuit field-effect tube.

The power module also includes voltage conversion circuit, and alternating current connects charging control circuit by voltage conversion circuit, The voltage conversion circuit includes prime voltage conversion circuit and rear class voltage conversion circuit coupled thereto；The preceding step voltage Conversion circuit includes: first voltage protective module, is coupled to supply voltage and provides internal conversion voltage；First voltage modulus of conversion Block is coupled to first voltage protective module, and input signal is converted to prime output signal according to internal conversion voltage；

The rear class voltage conversion circuit includes: second voltage protective module, generates the first reversed-phase output signal, first defeated Signal, the second reversed-phase output signal and the second output signal out, wherein prime voltage conversion circuit and rear class voltage conversion circuit With multiple transistors, when the voltage value of supply voltage is greater than the breakdown voltage of transistor, voltage conversion circuit protects crystal The pressure difference of pipe is less than breakdown voltage, when the voltage value of supply voltage is less than breakdown voltage, voltage conversion circuit full width output the One reversed-phase output signal, the first output signal, the second reversed-phase output signal and the second output signal.

As a kind of further preferred scheme of image procossing tracking system of the present invention, the charging control circuit includes letter Number control terminal, charge power supply end, equipment feeder ear, battery-end, triode, the first metal-oxide-semiconductor and the second metal-oxide-semiconductor；Wherein, described to fill Electric power end is grounded by concatenated first resistor and second resistance；The base stage of the triode is separately connected the signal control End and charge power supply end, the collector of the triode connects the grid of second metal-oxide-semiconductor by the 4th resistance, also passes through the Three resistance connect the source electrode of first metal-oxide-semiconductor, the emitter ground connection of the triode；The source electrode of second metal-oxide-semiconductor passes through First diode connects the charge power supply end, and drain electrode connects the equipment feeder ear；The source electrode of first metal-oxide-semiconductor passes through the One diode connects the charge power supply end, and grid connects the tie point of the first resistor and second resistance, drain electrode connection institute State battery-end.

As a kind of further preferred scheme of image procossing tracking system of the present invention, external input voltage Vin passes through anti- Swash formula transformer primary winding Np connection and close inside back cover pole pipe Q1 and resistance RBC, resistance RBC provides electricity to the base stage of triode Q1 Stream, Q1 conducting give control chip vdd terminal capacitor C1 charging, when vdd voltage is increased to inner setting voltage VH through diode D2 When, the overturning of UVLO signal, system start completion, chip start-up operation, vdd voltage is provided by auxiliary winding Naux at this time；Circuit In RBC be a big resistance, usually 10M Ω provides electric current to the grid for closing inside back cover pole pipe.Big resistance RBC is in system work As when the power consumption very little that consumes, and be zero in primary side conducting phase RBC both end voltage, do not consume power consumption, while capacitor C1 fills Electric current is the grid current of Q1, is β times of resistance RBC electric current, and the starting time greatly shortens；It is first after chip is started to work First gate driving and base drive make M1, and Q1 conducting, primary side conducting, according to transformer principle, secondary side winding voltage is on the contrary, output Diode DO anode is low level, by secondary side is not turned on；When primary side is connected, input voltage is by primary side winding, Q1, M1, RCS is linked to ground, and primary side induction charging, primary current is gradually increasing, this electric current is by RCS in the form of a voltage from current detecting In the feedback to chip of end, when the end CS, voltage reaches inner setting, peak current detection comparator output switching activity passes through logic electricity Road control drive module makes M1, Q1 shutdown, primary side shutdown.According to inductance principle, inductive current cannot be mutated, and secondary polygonal voltage is anti- Turn, output diode DO conducting, secondary side conducting；Secondary side conducting phase, i.e. demagnetization phase, the voltage of secondary side winding Ns i.e. defeated Out in voltage reflection to auxiliary winding Naux, by electric resistance partial pressure R1, R2, FB voltage, the sampled holding of FB voltage and base are obtained A series of quasi- voltage circuits such as relatively, so that Q1 is controlled, the switching frequency of M1, and then control output voltage；So inverse-excitation type becomes The primary side winding Np and secondary side winding Ns of depressor are not simultaneously turned on.

As a kind of further preferred scheme of image procossing tracking system of the present invention, the work of chip is divided into three kinds of work Mode: fixed frequency modes, constant current mode, constant voltage mode；As FB voltage VFB < 0.5V, work in fixed frequency modes, When 0.5V < VFB < 2V, CC operating mode is switched to, chip startup stage switches to CV working condition when completing, when load continues When increase, CC operating mode is back switched to.

A kind of image tracking method based on image procossing tracking system, it is characterised in that: specifically include the following steps:

Step 1, on Intelligent bracelet real-time detection intelligent book current page radio frequency chip radiofrequency signal, and by the radio frequency Signal is sent to voice announcer；

Step 2, the eyeball image of image tracker real-time tracking shooting reader, and the eyeball image is sent to institute State voice announcer；

Step 3, the voice announcer is based on the radiofrequency signal and the eyeball image is obtaining the reader The book contents of reading, and the book contents read are subjected to voice broadcast according to preset rules.

Detailed description of the invention

In order to illustrate the technical solution of the embodiments of the present invention more clearly, below will be to needed in the embodiment attached Figure is briefly described, it should be understood that the following drawings illustrates only certain embodiments of the present invention, therefore is not construed as pair The restriction of range for those of ordinary skill in the art without creative efforts, can also be according to this A little attached drawings obtain other relevant attached drawings.

Fig. 1 is system structure schematic diagram of the invention；

Fig. 2 is flow chart of the method for the present invention；

Fig. 3 is A/D converter system diagram of the present invention；

Fig. 4 is A/D converter circuit system of the present invention；

Fig. 5 is power module schematic diagram of the present invention；

Fig. 6 is charging control circuit circuit diagram of the present invention.

Specific embodiment

Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete Site preparation description, it is clear that described embodiments are some of the embodiments of the present invention, instead of all the embodiments.Usually herein The component of the embodiment of the present invention described and illustrated in place's attached drawing can be arranged and be designed with a variety of different configurations.

Therefore, the detailed description of the embodiment of the present invention provided in the accompanying drawings is not intended to limit below claimed The scope of the present invention, but be merely representative of selected embodiment of the invention.Based on the embodiments of the present invention, this field is common Technical staff's all other embodiment obtained without creative efforts belongs to the model that the present invention protects It encloses.

It should also be noted that similar label and letter indicate similar terms in following attached drawing, therefore, once a certain Xiang Yi It is defined in a attached drawing, does not then need that it is further defined and explained in subsequent attached drawing.

As shown in Figure 1, a kind of image procossing tracking system, includes Intelligent bracelet, voice announcer, image tracker, figure It is described as the radio frequency chip in processing unit, power module, intelligent book and the every page that is arranged in the intelligent book Radio frequency chip is connect with Intelligent bracelet, and the Intelligent bracelet is connect with voice announcer, and described image tracker passes through at image Reason device is connect with voice announcer；The power module connects with voice announcer, image tracker, image processing apparatus respectively It connects；

Described image data reception module is for receiving image data；

Task scheduling modules are to transmit received image data；

The fpga chip includes preprocessing module and high speed processing module；

The preprocessing module is for pre-processing received digital image data；

As shown in Figure 3-4, the A/D converter includes flyback transformer, rectification filtering module, start-up circuit, starting Control and low pressure locking module, peak current detection, sampling and keep module, error amplifier, CV control module, the inspection of demagnetization time Survey module, CC control module, PFM Logic control module, drive module, power switch tube M1；The start-up circuit includes a function The upper end of rate switching tube Q1, the primary side winding Np of the flyback transformer connect the end external input voltage Vin, primary side winding Np Lower end connect start-up circuit；The external rectification filtering module of the secondary side winding Ns connection of the flyback transformer；The transformation The auxiliary winding Naux of device is separately connected the input terminal of sampling and keep module and the time detection module that demagnetizes through electric resistance partial pressure, described The auxiliary winding Naux of flyback transformer is sent into vdd terminal connection starting control and low pressure locking module through diode；It is described to open One end of dynamic circuit is also fed into vdd terminal connection starting control and low pressure locking module, the other end connect the leakage of power switch tube M1 End；Input terminal of the source of the power switch tube M1 through the end CS connection peak current detection；The peak current detection it is defeated The input terminal of outlet connection PFM logic control；The output end of the rectification filtering module connects the end voltage output Vout；It is described to adopt The input terminal that sample keeps the output end of module to pass sequentially through error amplifier, CV control module connects PFM Logic control module；Institute The output end for stating demagnetization time detection module is also connected to the input terminal of PFM logic control, PFM logic control through CC control module The output end of module controls the on-off of power switch tube M1 and power switch tube Q1 by drive module, to control inverse-excitation type change The on-off of depressor primary circuit.

Rectification filtering module is filtered for output voltage；

PFM logic control for realizing voltage against frequency control；

Crest voltage detection is fed back for primary current；

Drive module realizes primary side on-off for driving Q1 and M1.

External input voltage Vin closes inside back cover pole pipe Q1 and resistance RBC, electricity by flyback transformer primary side winding Np connection It hindering RBC and provides electric current to the base stage of triode Q1, Q1 conducting gives control chip vdd terminal capacitor C1 charging through diode D2, when When vdd voltage is increased to inner setting voltage VH, UVLO signal is overturn, system start completion, and chip is started to work, at this time VDD Voltage is provided by auxiliary winding Naux.

RBC in circuit is a big resistance, usually 10M Ω, provides electric current to the grid for closing inside back cover pole pipe.Big resistance The power consumption very little that RBC is consumed when system works, and be zero in primary side conducting phase RBC both end voltage, power consumption is not consumed, simultaneously The charging current of capacitor C1 is the grid current of Q1, is β times (β is about 30) of resistance RBC electric current, and the starting time greatly shortens.

After chip is started to work, gate driving and base drive make M1, Q1 conducting, primary side conducting, according to transformation first Device principle, secondary side winding voltage is on the contrary, output diode DO anode is low level, by secondary side is not turned on.When primary side is connected, Input voltage is linked to ground by primary side winding, Q1, M1, RCS, and primary side induction charging, primary current is gradually increasing, this electric current is logical RCS is crossed in the form of a voltage out of the end current detecting (CS) feedback to chip, when the end CS, voltage reaches inner setting, peak value electricity Detection comparator output switching activity is flowed, controlling drive module by logic circuit makes M1, Q1 shutdown, primary side shutdown.According to inductance original Reason, inductive current cannot be mutated, secondary side voltage reversal, output diode DO conducting, secondary side conducting.Secondary side conducting phase, that is, move back In the magnetic stage, voltage i.e. the output voltage reflection of secondary side winding Ns is on auxiliary winding Naux, by electric resistance partial pressure R1, R2, FB voltage, a series of sampled holding circuits such as compared with reference voltage of FB voltage are obtained, so that Q1 is controlled, the switch frequency of M1 Rate, and then control output voltage.So the primary side winding Np and secondary side winding Ns of flyback transformer are not simultaneously turned on.

The work of chip is divided into three kinds of operating modes: fixed frequency modes, CC (constant current) mode, CV (constant pressure) mode.When When FB voltage VFB < 0.5V, works at fixed frequency modes (38KHz), 0.5V < VFB < 2V (Vref1=2V), switch to CC Operating mode.Chip startup stage switches to CV working condition when completing, and when load continues to increase, system back switches to CC Operating mode.

When chip is started to work, fixed frequency controls signal driving Q1 and M1 conducting, and input voltage is loaded in primary side winding Both ends, the conducting of primary side branch, referred to as conducting phase.Primary current is gradually increasing, and current detecting end (CS) voltage is gradually increasing, when When it rises to internal reference voltage Vref2, peak current detection comparator output switching activity, Q1, M1 are turned off, and secondary side winding is led It is logical, energy release, demagnetization phase starting.

In demagnetization phase, output voltage is reflected on primary side auxiliary winding Naux with certain proportion, through resistance R1, R2 points Pressure is sent into pressure feedback port (FB).Again by sampling hold circuit, (voltage herein is more for the voltage for obtaining at demagnetization phase 3/4 Add accurately reaction output voltage) and reference voltage be fed together error amplifier.Ladder raised voltage is generated by oscillator, Through PFM pulse frequency modulated, frequency control signal is generated, controls driving circuit.

Book contents shown in the reading area correspondence are parsed from the current page to read as the reader The book contents of reading.

The content type of the analysis book contents read；

The book contents read voice is carried out according to the corresponding voice broadcasting modes of the content type to broadcast Report.

As shown in figure 5, the power module includes rechargeable battery, charge control electricity is equipped on the rechargeable battery Road, charge/discharge control circuit, charging current detection module, terminal voltage detecting module, micro controller module, discharge current detect mould Block, human-computer interaction module, pwm driver；

As shown in fig. 6, the charging control circuit includes signal control terminal, charge power supply end, equipment feeder ear, battery End, triode, the first metal-oxide-semiconductor and the second metal-oxide-semiconductor；Wherein, the charge power supply end passes through concatenated first resistor and the second electricity Resistance ground connection；The base stage of the triode is separately connected the signal control terminal and charge power supply end, the collector of the triode The grid of second metal-oxide-semiconductor is connected by the 4th resistance, and the source electrode of first metal-oxide-semiconductor, institute are also connected by 3rd resistor State the emitter ground connection of triode；The source electrode of second metal-oxide-semiconductor connects the charge power supply end by first diode, drain electrode Connect the equipment feeder ear；The source electrode of first metal-oxide-semiconductor connects the charge power supply end by first diode, and grid connects The tie point of the first resistor and second resistance is connect, drain electrode connects the battery-end.

As shown in Fig. 2, a kind of image tracking method based on image procossing tracking system, it is characterised in that: specifically include Following steps:

As an implementation, the voice announcer can carry out signal resolution to the radiofrequency signal, described in acquisition The corresponding book page mark of radiofrequency signal, then, the books based on intelligent book current page described in the book page identifier lookup Content, and image analysis is carried out to the eyeball image in real time, obtain the eyeball fixes position of the reader.Then, according to The book contents that the reader is reading are extracted in the eyeball fixes position in the current page, and according to preset rules The book contents read are subjected to voice broadcast.

Optionally, the voice announcer can in real time the eyeball pupil to reader in the eyeball image described current Coordinate position on page, to obtain the eyeball fixes position of the reader.Then, using the eyeball fixes position as the center of circle or Number of words (example is observed in conjunction with preset eyeball crusing radius (such as 3cm) or eyeball observation line number (such as 3 rows) and eyeball in center Such as 20 words) reading area is obtained, it is parsed from the current page described in book contents conduct shown in the reading area correspondence The book contents that reader is reading.Wherein, the preset eyeball crusing radius or eyeball observation line number and eyeball observation Number of words can be configured in advance according to actual needs, and this is not restricted.

Then, the content type of voice announcer analysis before preparing to broadcast book contents read, Then the book contents read are subjected to voice broadcast according to the corresponding voice broadcasting modes of the content type.Example Such as, if the content type for the book contents read is text type, the corresponding text type of direct voice broadcast. In another example if the book contents read are a sub-picture, it can be with voice broadcast image information to be expressed.

Image tracking method provided in this embodiment as a result, can automatically analyze children without any operation and read Book contents, and automatic information broadcast is carried out to it, substantially increases learning effect, interest is strong, is conducive to initiation religion before learning It educates.

Optionally, during above-mentioned voice broadcast, the Intelligent bracelet can also obtain the movement letter of reader in real time Breath, such as the motion information of reader can be obtained by acceleration transducer, and the motion information is sent to the voice Broadcast device.The voice announcer 300 judges whether the reader is in active state according to the motion information, is determining When the reader is in active state, stop broadcasting the book contents.Thus, it is possible to which reader is avoided to do other things When miss this reading learning.

Optionally, during above-mentioned voice broadcast, the Intelligent bracelet can also obtain the language of the reader in real time Message breath, such as the voice messaging of the reader can be obtained by microphone module, and the voice messaging is sent to institute State voice announcer.The voice announcer judges whether the reader is in talk state according to the voice messaging, When determining that the reader is in talk state, stop broadcasting the book contents.Thus, it is possible to avoid reader in talk Miss this reading learning.

Optionally, during above-mentioned voice broadcast, reader can also interact with book contents, in detail, intelligence Energy bracelet can also obtain the voice messaging of the reader in real time, and the voice messaging is sent to the voice broadcast Device.The voice announcer generates corresponding friendship according to the voice messaging and the book contents read of the reader Mutual voice, and the interactive voice is subjected to voice broadcast.For example, if the book contents read are that " bright moon light, is doubted before window As upper frost ", the speech message of reader is " what meaning the words is? ", then interactive voice can be " to mean, the moon It is bright very bright, on the ground through window irradiation, people is allowed to be thought as frost ".Thus, it is possible to easy to read person in learning process with books Content interacts, to further increase learning effect, interest is strong, is conducive to formative education before learning.

Further, referring to Fig. 3, the embodiment of the present invention also provides a kind of image tracking method, not with above example With this image tracking method is executed by voice announcer 300, it is to be understood that the image trace next to be described The step of involved in method, has been noted above in the examples above, and the exhaustive of specific each step can refer to reality above Apply example description.

Specifically, which can be general storage medium, such as mobile disk, hard disk, which is situated between When computer program in matter is run, it is able to carry out above-mentioned image tracking method, so that it is uninteresting to solve current children for learning, effect Fruit is poor, and problem inconvenient for use can be greatly improved learning effect, and interest is strong, is conducive to formative education before learning.

In conclusion image tracking method provided in an embodiment of the present invention and device, pass through Intelligent bracelet real-time detection intelligence The radiofrequency signal of radio frequency chip on energy books current page, and the radiofrequency signal is sent to voice announcer, while passing through figure As the eyeball image of tracker real-time tracking shooting reader, and the eyeball image is sent to the voice announcer.Institute It states voice announcer and the book contents that the reader is reading is obtained based on the radiofrequency signal and the eyeball image, and The book contents read are subjected to voice broadcast according to preset rules.Image trace side provided by the present application as a result, Method and device are easy to use, can automatically analyze the book contents that children are reading without any operation, and carry out to it certainly Dynamic voice broadcast, substantially increases learning effect, and interest is strong, is conducive to formative education before learning.

In embodiment provided by the present invention, it should be understood that disclosed device and method, it can also be by other Mode realize.Device and method embodiment described above is only schematical, for example, flow chart and frame in attached drawing Figure shows the system frame in the cards of the system of multiple embodiments according to the present invention, method and computer program product Structure, function and operation.In this regard, each box in flowchart or block diagram can represent a module, section or code A part, a part of the module, section or code includes one or more for implementing the specified logical function Executable instruction.It should also be noted that function marked in the box can also be with not in some implementations as replacement It is same as the sequence marked in attached drawing generation.For example, two continuous boxes can actually be basically executed in parallel, they have When can also execute in the opposite order, this depends on the function involved.It is also noted that in block diagram and or flow chart Each box and the box in block diagram and or flow chart combination, can function or movement as defined in executing it is dedicated Hardware based system realize, or can realize using a combination of dedicated hardware and computer instructions.

In addition, each functional module in each embodiment of the present invention can integrate one independent portion of formation together Point, it is also possible to modules individualism, an independent part can also be integrated to form with two or more modules.

It can replace, can be realized wholly or partly by software, hardware, firmware or any combination thereof.When When using software realization, can entirely or partly it realize in the form of a computer program product.The computer program product Including one or more computer instructions.It is all or part of when loading on computers and executing the computer program instructions Ground is generated according to process or function described in the embodiment of the present invention.The computer can be general purpose computer, special purpose computer, Computer network or other programmable devices.The computer instruction may be stored in a computer readable storage medium, or Person is transmitted from a computer readable storage medium to another computer readable storage medium, for example, the computer instruction Wired (such as coaxial cable, optical fiber, digital subscriber can be passed through from a web-site, computer, server or data center Line (DSL)) or wireless (such as infrared, wireless, microwave etc.) mode to another web-site, computer, server or data It is transmitted at center.The computer readable storage medium can be any usable medium that computer can access and either wrap The data storage devices such as server, the data center integrated containing one or more usable mediums.The usable medium can be magnetic Property medium, (for example, floppy disk, hard disk, tape), optical medium (for example, DVD) or semiconductor medium (such as solid state hard disk Solid State Disk (SSD)) etc.

It should be noted that, in this document, term " including ", " including " or its any other variant are intended to non-row Its property includes, so that the process, method, article or equipment for including a series of elements not only includes those elements, and And further include the other elements being not explicitly listed, or further include for this process, method, article or equipment institute it is intrinsic Element.In the absence of more restrictions, the element limited by sentence " including one ... ", it is not excluded that including institute State in the process, method, article or equipment of element that there is also other identical elements.

It is obvious to a person skilled in the art that invention is not limited to the details of the above exemplary embodiments, Er Qie In the case where without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, no matter From the point of view of which point, the present embodiments are to be considered as illustrative and not restrictive, and the scope of the present invention is by appended power Benefit requires rather than above description limits, it is intended that all by what is fallen within the meaning and scope of the equivalent elements of the claims Variation is included within the present invention.Any reference signs in the claims should not be construed as limiting the involved claims.

Claims

1. a kind of image procossing tracking system, it is characterised in that: include Intelligent bracelet, voice announcer, image tracker, image Radio frequency chip in processing unit, power module, intelligent book and the every page that is arranged in the intelligent book, it is described to penetrate Frequency chip is connect with Intelligent bracelet, and the Intelligent bracelet is connect with voice announcer, and described image tracker passes through image procossing Device is connect with voice announcer；The power module connects with voice announcer, image tracker, image processing apparatus respectively It connects；

Wherein, described image processing unit includes image data receiving module, task scheduling modules, processing threading models, video Decoder, fpga chip, two-door RAM, dsp chip, image scaling module, VGA coding chip, SD card, FLASH module, first SDRAM and the 2nd SDRAM,

Described image data reception module, task scheduling modules, processing threading models, Video Decoder, fpga chip successively connect It connects, the fpga chip is separately connected the first SDRAM, VGA coding chip and SD card, and the VGA coding chip connects equipped with VGA Mouthful, the dsp chip is separately connected image scaling module, FLASH module and the 2nd SDRAM, and the two-door RAM is separately connected Fpga chip and dsp chip；

Described image data reception module is for receiving image data；

Task scheduling modules are to transmit received image data；

Handle threading models include multiple processing threads to received image data, and to received image data at Reason；

The Video Decoder is used to received picture signal carrying out A/D conversion, forms the video format of standard and defeated Enter to fpga chip；

The fpga chip includes preprocessing module and high speed processing module；

The preprocessing module is for pre-processing received digital image data；

In the first SDRAM for being buffered in it outside piece by the control of fpga chip, VGA coding chip has been accomplished to image later Real-time display, if user has selected compact model, then original image data will be moved by frame storing module by external control Into cache module, dsp chip efficiently reads the figure in two-door RAM by way of EMIF interface outer extension memory As data；After image data carries out JPEG compression inside dsp chip, in an identical manner by cache module, number Storage control is carried out according to fpga chip is transmitted to, accomplishes the storage and backup of compressing image data；

VGA coding chip main function is that the collected digital picture of fpga chip is converted into simulated image data in real time, And it is output on the display with USB interface；The VGA coding chip includes image coding circuit and USB interface circuit；

The voice announcer, including broadcast device ontology, the top of the broadcast device ontology are equipped with camera, the broadcast device Microphone, loudspeaker and time display screen are provided on ontology, the broadcast device ontology is internally provided with control module, storage mould Block, signal projector, signal receiver, bluetooth module, 4G communication module, timer, phonographic recorder and shielding instrument, the control mould Block is electrically connected camera, memory module, microphone, loudspeaker, signal projector, signal receiver, bluetooth mould by data conductor Block, 4G communication module, timer, phonographic recorder and shielding instrument, the control module include PLC controller, are electrically connected with PLC controller The A/D converter and relay connect, the bluetooth module pass through bluetooth connection personal terminal；

By setting phonographic recorder and microphone, the voice announcer can be made to achieve the effect that recording by microphone, then again should The content of recording is stored in memory module, convenient for when needed, being played back by loudspeaker；Then shielding instrument is set again, It can have the function that shielding, can be avoided student's cheating in examination；

Then 4G communication module and bluetooth module are set again, terminal device can be connected by 4G communication module, pass through bluetooth mould Block is connected with personal terminal, and then enables people to through the content in the player plays personal terminal；Then it is arranged again Timer, and time display screen is set in broadcast device, time showing can be looked on time display screen for student in real time It sees, simultaneously, additionally it is possible to select the appropriate time to play back by loudspeaker, to remind student examination progress；Then it is arranged again Situation in examination hall can be filmed, and then can reach the effect of invigilator by camera 2 in examination by camera 2 Fruit；

The A/D converter includes that flyback transformer, rectification filtering module, start-up circuit, starting control and low pressure lock mould Block, peak current detection, sampling and keep module, error amplifier, CV control module, demagnetization time detection module, CC control mould Block, PFM Logic control module, drive module, power switch tube M1；The start-up circuit includes a power switch tube Q1, described The upper end of the primary side winding Np of flyback transformer connects the end external input voltage Vin, and the lower end of primary side winding Np connects starting Circuit；The external rectification filtering module of the secondary side winding Ns connection of the flyback transformer；The auxiliary winding of the transformer Naux is separately connected the input terminal of sampling and keep module and the time detection module that demagnetizes, the flyback transformer through electric resistance partial pressure Auxiliary winding Naux through diode be sent into vdd terminal connection starting control and low pressure locking module；One end of the start-up circuit It is also fed into vdd terminal connection starting control and low pressure locking module, the other end connects the drain terminal of power switch tube M1；The power is opened The source of pipe M1 is closed through the input terminal of the end CS connection peak current detection；The output end connection PFM of the peak current detection is patrolled Collect the input terminal of control；The output end of the rectification filtering module connects the end voltage output Vout；The sampling and keep module Output end passes sequentially through the input terminal of error amplifier, CV control module connection PFM Logic control module；The demagnetization time inspection The output end for surveying module is also connected to the input terminal of PFM logic control, the output end of PFM Logic control module through CC control module The on-off that power switch tube M1 and power switch tube Q1 are controlled by drive module, to control flyback transformer primary circuit On-off；

Rectification filtering module is filtered for output voltage；

PFM logic control for realizing voltage against frequency control；

Crest voltage detection is fed back for primary current；

Drive module realizes primary side on-off for driving Q1 and M1；

Wherein, on intelligent book current page described in the Intelligent bracelet real-time detection radio frequency chip radiofrequency signal, and will be described Radiofrequency signal is sent to the voice announcer；

Described image tracker real-time tracking shoots the eyeball image of reader, is handled by image processing apparatus, and will be described Eyeball image is sent to the voice announcer；

The voice announcer obtains the books that the reader is reading based on the radiofrequency signal and the eyeball image Content, and the book contents read are subjected to voice broadcast according to preset rules；

The book page mark and corresponding book contents of every page of the intelligent book, institute's predicate are stored in the voice announcer Sound broadcast device obtains the book contents that the reader is reading based on the radiofrequency signal and institute's track eyeball image, and according to The step of book contents read are carried out voice broadcast by preset rules, comprising:

The voice announcer carries out signal resolution to the radiofrequency signal, obtains the corresponding book page mark of the radiofrequency signal Know；

Based on the book contents of intelligent book current page described in the book page identifier lookup, and in real time to the eyeball image into Row image analysis obtains the eyeball fixes position of the reader；

The book contents that the reader is reading are extracted in the current page according to the eyeball fixes position, and according to The book contents read are carried out voice broadcast by preset rules；

It is described that image analysis, the step of obtaining the eyeball fixes position of the reader, packet are carried out to the eyeball image in real time It includes:

Coordinate position to the eyeball pupil of reader in the eyeball image on the current page in real time, to be read described in acquisition The eyeball fixes position of reader；

It is described to extract book contents that the reader is reading in the current page according to the eyeball fixes position Step, comprising:

Parse what book contents shown in the reading area correspondence were being read as the reader from the current page Book contents；

The content type of the analysis book contents read；

The book contents read are subjected to voice broadcast according to the corresponding voice broadcasting modes of the content type.

The book that the reader is reading is obtained based on the radiofrequency signal and the eyeball image in the voice announcer This content, and after the step of book contents read are carried out voice broadcast according to preset rules, the method Further include:

The Intelligent bracelet obtains the motion information of reader in real time, and the motion information is sent to the voice broadcast Device；

The Intelligent bracelet obtains the voice messaging of the reader in real time, and the voice messaging is sent to the voice and is broadcast Report device；

Intelligent bracelet obtains the voice messaging of the reader in real time, and the voice messaging is sent to the voice broadcast Device；

The voice announcer generates corresponding according to the voice messaging and the book contents read of the reader Interactive voice, and the interactive voice is subjected to voice broadcast.

Applied to voice announcer, the voice announcer and Intelligent bracelet, image tracker are communicated to connect, wherein the figure As tracker is arranged in the monitoring region of intelligent book, it is arranged in the Intelligent bracelet and the every page in the intelligent book Radio frequency chip carry out signal interaction, which comprises

The book contents that the reader is reading are obtained based on the radiofrequency signal and the eyeball image, and according to default The book contents read are carried out voice broadcast by rule.

2. a kind of image procossing tracking system according to claim 1, it is characterised in that: described image Zoom module includes Convolutional calculation module, coefficient setting module and control module；Image scaling module needs for realizing image scaling according to image The multiplying power of scaling determines the cell cube comprising right quantity pixel；Inside cell cube, determined according to Image Zooming Algorithm each The calculation formula and convolution coefficient of output pixel determine the hardware plan for realizing Dot Clock times yupin effect；Forward mapping mode is defeated Enter and export in frame synchronization state, since output pixel quantity is more than input pixel, the dot clock frequencies of output pixel want high In input pixel；It realizes that times yupin effect can input Dot Clock using the independent clock or frequency multiplication of higher frequency, it is total to increase data Line width；To save data space, when amplifying to image, the amplification in rank of advanced units direction, laggard every trade direction is put Greatly；When to image down, the diminution in advanced every trade direction, the diminution in laggard ranks direction.

3. a kind of image procossing tracking system according to claim 1, it is characterised in that: the power module includes that can fill Battery is equipped with charging control circuit, charge/discharge control circuit, charging current detection module, end electricity on the rechargeable battery Press detection module, micro controller module, discharge current detection module, human-computer interaction module, pwm driver；

The charging current detection module, terminal voltage detecting module, discharge current detection module connect with micro controller module respectively Connect, for distinguishing the charging current of real-time detection rechargeable battery, in rechargeable battery voltage, rechargeable battery electric discharge electricity Stream, and the electric signal of acquisition is uploaded to micro controller module；

Human-computer interaction module is connect with micro controller module, for checking the voltage status and charging and discharging currents shape of rechargeable battery State, and for setting microcontroller parameter threshold；

The pwm driver is connected with micro controller module, charging control circuit, charge/discharge control circuit respectively, is adopted for basis The voltage and current parameter of collection, and then drive the pwm signal of charging control circuit and charge/discharge control circuit field-effect tube.

4. a kind of image procossing tracking system according to claim 3, it is characterised in that: the power module also includes electricity Voltage conversion circuit, alternating current connect charging control circuit by voltage conversion circuit, and the voltage conversion circuit includes preceding step voltage Conversion circuit and rear class voltage conversion circuit coupled thereto；The prime voltage conversion circuit includes: first voltage protection mould Block is coupled to supply voltage and provides internal conversion voltage；First voltage conversion module is coupled to first voltage protective module, Input signal is converted into prime output signal according to internal conversion voltage；

The rear class voltage conversion circuit includes: second voltage protective module, generates the first reversed-phase output signal, the first output letter Number, the second reversed-phase output signal and the second output signal, wherein prime voltage conversion circuit and rear class voltage conversion circuit have Multiple transistors, when the voltage value of supply voltage is greater than the breakdown voltage of transistor, voltage conversion circuit protects transistor Pressure difference is less than breakdown voltage, and when the voltage value of supply voltage is less than breakdown voltage, voltage conversion circuit full width output first is anti- Phase output signal, the first output signal, the second reversed-phase output signal and the second output signal.

5. a kind of image procossing tracking system according to claim 4, it is characterised in that: the charging control circuit includes Signal control terminal, charge power supply end, equipment feeder ear, battery-end, triode, the first metal-oxide-semiconductor and the second metal-oxide-semiconductor；Wherein, described Charge power supply end is grounded by concatenated first resistor and second resistance；The base stage of the triode is separately connected the signal control End processed and charge power supply end, the collector of the triode are connected the grid of second metal-oxide-semiconductor by the 4th resistance, also passed through 3rd resistor connects the source electrode of first metal-oxide-semiconductor, the emitter ground connection of the triode；The source electrode of second metal-oxide-semiconductor is logical It crosses first diode and connects the charge power supply end, drain electrode connects the equipment feeder ear；The source electrode of first metal-oxide-semiconductor passes through First diode connects the charge power supply end, and grid connects the tie point of the first resistor and second resistance, drain electrode connection The battery-end.

6. a kind of image procossing tracking system according to claim 1, it is characterised in that: external input voltage Vin passes through Inside back cover pole pipe Q1 and resistance RBC is closed in the Np connection of flyback transformer primary side winding, and resistance RBC provides electricity to the base stage of triode Q1 Stream, Q1 conducting give control chip vdd terminal capacitor C1 charging, when vdd voltage is increased to inner setting voltage VH through diode D2 When, the overturning of UVLO signal, system start completion, chip start-up operation, vdd voltage is provided by auxiliary winding Naux at this time；Circuit In RBC be a big resistance, usually 10M Ω provides electric current to the grid for closing inside back cover pole pipe.Big resistance RBC is in system work As when the power consumption very little that consumes, and be zero in primary side conducting phase RBC both end voltage, do not consume power consumption, while capacitor C1 fills Electric current is the grid current of Q1, is β times of resistance RBC electric current, and the starting time greatly shortens；It is first after chip is started to work First gate driving and base drive make M1, and Q1 conducting, primary side conducting, according to transformer principle, secondary side winding voltage is on the contrary, output Diode DO anode is low level, by secondary side is not turned on；When primary side is connected, input voltage is by primary side winding, Q1, M1, RCS is linked to ground, and primary side induction charging, primary current is gradually increasing, this electric current is by RCS in the form of a voltage from current detecting In the feedback to chip of end, when the end CS, voltage reaches inner setting, peak current detection comparator output switching activity passes through logic electricity Road control drive module makes M1, Q1 shutdown, primary side shutdown.According to inductance principle, inductive current cannot be mutated, and secondary polygonal voltage is anti- Turn, output diode DO conducting, secondary side conducting；Secondary side conducting phase, i.e. demagnetization phase, the voltage of secondary side winding Ns i.e. defeated Out in voltage reflection to auxiliary winding Naux, by electric resistance partial pressure R1, R2, FB voltage, the sampled holding of FB voltage and base are obtained A series of quasi- voltage circuits such as relatively, so that Q1 is controlled, the switching frequency of M1, and then control output voltage；So inverse-excitation type becomes The primary side winding Np and secondary side winding Ns of depressor are not simultaneously turned on.

7. a kind of image procossing tracking system according to claim 6, it is characterised in that: the work of chip is divided into three kinds of works Operation mode: fixed frequency modes, constant current mode, constant voltage mode；As FB voltage VFB < 0.5V, work in fixed frequency modes, When 0.5V < VFB < 2V, CC operating mode is switched to, chip startup stage switches to CV working condition when completing, when load continues When increase, CC operating mode is back switched to.

8. a kind of image tracking method of the image procossing tracking system based on claim 1 to 7, it is characterised in that: specific packet Containing following steps:

Step 1, on Intelligent bracelet real-time detection intelligent book current page radio frequency chip radiofrequency signal, and by the radiofrequency signal It is sent to voice announcer；

Step 2, the eyeball image of image tracker real-time tracking shooting reader, and the eyeball image is sent to institute's predicate Sound broadcast device；

Step 3, the voice announcer is based on the radiofrequency signal and the eyeball image obtains the reader and reading Book contents, and the book contents read are subjected to voice broadcast according to preset rules.