CN107391668A - A kind of picture character hunting system and method - Google Patents
A kind of picture character hunting system and method Download PDFInfo
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- CN107391668A CN107391668A CN201710595980.8A CN201710595980A CN107391668A CN 107391668 A CN107391668 A CN 107391668A CN 201710595980 A CN201710595980 A CN 201710595980A CN 107391668 A CN107391668 A CN 107391668A
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
- G06F16/50—Information retrieval; Database structures therefor; File system structures therefor of still image data
- G06F16/58—Retrieval characterised by using metadata, e.g. metadata not derived from the content or metadata generated manually
- G06F16/583—Retrieval characterised by using metadata, e.g. metadata not derived from the content or metadata generated manually using metadata automatically derived from the content
- G06F16/5846—Retrieval characterised by using metadata, e.g. metadata not derived from the content or metadata generated manually using metadata automatically derived from the content using extracted text
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- G06V30/00—Character recognition; Recognising digital ink; Document-oriented image-based pattern recognition
- G06V30/40—Document-oriented image-based pattern recognition
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- G06V30/00—Character recognition; Recognising digital ink; Document-oriented image-based pattern recognition
- G06V30/10—Character recognition
Abstract
The invention discloses a kind of picture character hunting system, include processor, internal memory and the first hardware processing module, wherein, the picture character searching instruction that the processor is used to be inputted according to user obtains picture source data from external memory storage, and the picture source data is stored in the internal memory, and the request of extraction picture character and searching target character is sent to the first hardware circuits which process module according to the picture character searching instruction；First hardware processing module is used for the request according to the extraction picture character and searching target character, carries out Word Input to the data after reading the data of its storage from the internal memory and character search is handled, and result is returned into main frame.The present invention carries out extraction search by additional hardware circuits which process module to picture character, to improve the treatment effeciency of big data processing, and can save substantial amounts of processor resource.Also disclose a kind of picture character method for searching simultaneously.
Description
Technical field
The present invention relates to technical field of data processing, relates more specifically to a kind of picture character hunting system and method.
Background technology
At present, it is necessary to application software by picture when user will enter line search or editor etc. to the word in picture
Text conversion into text (text file), after Text Mode is converted into, user just has method to carry out answering for word
System or editor or search.Such as pdf documents are also a kind of graphical format in fact, user is when replicating article fragment, it is necessary to first transport
Figure is changed into Text Mode with application software；There is the map file of many storage old newspapers or magazine in library, when we need
When reading the segment word in certain part of newspaper, figure first can be changed into Text Mode, so search in the picture keyword or
Sentence, it will more efficiently search the word needed for user；In another example the police can be by a series of figure in video recording when handling a case
Piece changes into Text Mode, and crucial car plate or hotel owner's signboard are searched in text pattern to facilitate police to handle a case.It is and current right
Search of word etc. is typically handled by software algorithm in picture, and in general flow is：1) application software assigns instruction；2)
CPU (Central Processing Unit, central processing unit) responds the instruction, goes to the place specified in memory (such as
Flash, hard disk (HardDisk) etc.) data are obtained, and by acquired data storage to internal memory；3) CPU passes through single burst
(single burst) form by the text conversion being stored in the image or film of internal memory into plain text, line character search of going forward side by side
Processing；4) result is stored into the device specified.
This traditional picture character hunting system is handled data using software algorithm using CPU, and CPU is moved
Data use single burst form, and traditional picture character hunting system has the disadvantages that：1) substantial amounts of CPU and bus are consumed
(BUS) resource；2) more electricity will be consumed by consuming substantial amounts of CPU and the resource of bus；3) substantial amounts of CPU and total is consumed
The resource of line will consume more times.Generally speaking carrying out data processing using software algorithm at present needs occupancy substantial amounts of
Cpu resource, treatment effeciency is than relatively low, will be apparent from particularly when handling mass data, the shortcomings that software algorithm.
In consideration of it, be necessary to provide a kind of picture character hunting system for improving data-handling efficiency and method to solve on
State defect.
The content of the invention
The technical problems to be solved by the invention are to provide a kind of picture character hunting system for improving data-handling efficiency.
Another technical problem to be solved by this invention is to provide a kind of picture character search for improving data-handling efficiency
Method.
In order to solve the above technical problems, according to an aspect of the present invention, there is provided a kind of picture character hunting system, this is
System includes：Processor, internal memory and the first hardware circuits which process module.Wherein, the processor is used for what is inputted according to user
Picture character searching instruction obtains picture source data from external memory storage, and the picture source data is stored in described interior
Deposit, and extraction picture character is sent to the first hardware circuits which process module according to the picture character searching instruction and searched
The request of target character；The first hardware circuits which process module is used for according to the extraction picture character and searching target character
Request, Word Input and character search are carried out to the data after reading the data of its storage from the internal memory and handled, and will
Result returns to main frame.
Its further technical scheme is：The picture character hunting system also includes one second hardware circuits which process mould
Block, for receiving picture source data and data processing request from the processor, and according to the data processing request pair
The picture source data carries out data processing, and the data after processing are stored in internal memory, wherein, the data processing request is
Decompression request.
Its further technical scheme is：The first hardware circuits which process module and the second hardware circuits which process module are based on
DSP is realized.
Its further technical scheme is：The first hardware circuits which process module is read more by way of happening suddenly to be stored in
Data in internal memory.
In order to solve the above technical problems, according to another aspect of the present invention, there is provided a kind of picture character method for searching, should
Method includes：
Processor receives the picture character searching instruction of user's input, is deposited according to the picture character searching instruction from outside
Picture source data is obtained in reservoir, and the picture source data is stored in internal memory, and according to the picture character searching instruction
The request of extraction picture character and searching target character is sent to the first hardware circuits which process module；
First hardware circuits which process module is according to the request of the extraction picture character and searching target character received from interior
The middle data for reading its storage are deposited, and the data are carried out with Word Input and character search processing, and result is returned
To main frame.
Its further technical scheme is：It is described that picture is obtained from external memory storage according to the picture character searching instruction
Source data, and the picture source data is stored in and specifically included in internal memory：
Processor judges whether acquired picture source data is compressed data, if it is not, then depositing the picture source data
Enter internal memory, if so, then sending data processing request and the picture source data to the second hardware circuits which process module, second is hard
Part processing of circuit module handles request according to received data and data processing is carried out to the picture source data, and by after processing
Data be stored in internal memory.
Its further technical scheme is：The first hardware circuits which process module carries out Word Input and word to the data
Search processing is accorded with, and is also included after result is returned into main frame：
Judge whether the data not read by the first hardware circuits which process module also be present in the internal memory, if internal memory
Middle the data not being read to be present, then the first hardware circuits which process module reads the data from the internal memory, and to described
Data carry out Word Input and character search processing, and result is returned into main frame.
Its further technical scheme is：The first hardware circuits which process module and the second hardware circuits which process module are based on
DSP is realized.
Its further technical scheme is：The first hardware circuits which process module is read more by way of happening suddenly to be stored in
Data in internal memory.
Compared with prior art, the present invention carries out extraction to picture character by additional hardware circuits which process module and searched
Seek, to improve the treatment effeciency of big data processing, and substantial amounts of processor resource can be saved, and due to the processor resource of occupancy
It is few with bus resource, then it is corresponding without consuming substantial amounts of electricity and time again, it can reach time saving, power saving effect.
Brief description of the drawings
Fig. 1 is the structured flowchart of picture character hunting system first embodiment of the present invention.
Fig. 2 is the structured flowchart of picture character hunting system second embodiment of the present invention.
Fig. 3 is the schematic flow sheet of the specific embodiment of picture character method for searching one of the present invention.
Embodiment
To make one of ordinary skill in the art that the object, technical solutions and advantages of the present invention be more clearly understood, with
Under the present invention is further elaborated in conjunction with the accompanying drawings and embodiments.
Reference picture 1, Fig. 1 are the structured flowchart of the first embodiment of picture character hunting system 10.The picture character of the present invention
Hunting system 10 includes：Processor 11, the hardware circuits which process module 14 of internal memory 15 and first.
Wherein, the processor 11, the picture character searching instruction inputted for receiving user, according to picture text
Word searching instruction obtains picture source data from external memory storage 12, and the picture source data is stored in the internal memory 15,
And extraction picture character is sent to the first hardware circuits which process module 14 according to the picture character searching instruction and searched
The request of target character.The internal memory 15, for storing the picture source data of the acquisition.The first hardware circuits which process mould
Block 14, for the request according to the extraction picture character and searching target character, its storage is read from the internal memory 15
Picture source data, and Word Input and character search processing are carried out to the picture source data, and result is returned into master
Machine 13.
In the present embodiment, in the case where acquired picture source data is not compressed data, the basis of processor 11
After instruction obtains picture source data from external memory storage 12, directly the picture source data obtained is sent to interior by bus
Deposit in 15 frame buffer zone and stored in a manner of cycle frame buffers (roundrobin frame buffer), and according to
The request that extraction picture character and searching target character are sent to the first hardware circuits which process module 14 is instructed, this is first hard
Part processing of circuit module 14 is deposited more according to received request by happening suddenly to read in the internal memory 15 in a manner of (multi burst)
The picture source data of storage, and Word Input and character search processing are carried out to the picture source data, and result is returned
To main frame 13.Wherein, the data are carried out with Word Input and character search processing refers to the first hardware circuits which process mould
The data read are first carried out Engineering drawing, then the word by the text conversion in figure into plain text format by block 14, from this
Searching words or character in the word of plain text format, by the word searched or character and the required search in user instruction
Character is matched, if identical, the result of search is returned into main frame 13, if it is different, then re-starting search.
In the present embodiment, the first hardware circuits which process module 14 is based on DSP (Digital Signal
Processor, Digital Signal Processing) realize.DSP is a kind of unique microprocessor 11, is a large amount of to handle with data signal
The device of information, the first hardware circuits which process module 14 are realized based on DSP, are advantageous to improve the efficiency of data processing,
Be advantageous to the stability of raising system 10.The first hardware circuits which process module 14 can also be based on FPGA (Field-
Programmable GateArray, field programmable gate array), MCU (Microcontroller Unit, micro-control unit)
Deng realization, the algorithm of data processing is write in FPGA or MCU, the first hardware is formed with reference to the auxiliary electron component on periphery
Processing of circuit module 14, picture source data is carried out to extract the processing such as picture character and searching target character, except this, described first
Hardware circuits which process module 14 can also be changed into the realization of entity hardware circuit module by algorithm and carry out extraction figure to picture source data
The processing such as piece word and searching target character.
The picture character hunting system 10 that the present embodiment provides is carried out by additional hardware circuits which process module to data
Extract picture character and searching target character etc. processing, unlike in traditional approach data Engineering drawing and text searching by processor
11 perform, and can save the substantial amounts of resource of processor 11, and replace traditional mode logarithm singly to happen suddenly by the way of happen suddenly more
According to being transmitted, substantial amounts of bus resource can be saved, data-handling efficiency is improved, due to the resource of processor 11 and bus of occupancy
Resource is few, then corresponding without consuming substantial amounts of electricity and time again, can reach time saving, power saving effect.
Reference picture 2, Fig. 2 are the structured flowchart of the second embodiment of picture character hunting system 20.In implementation shown in the drawings
In example, the picture character hunting system 20 includes：Processor 21, internal memory 26, the first hardware circuits which process module 24 and second
Hardware circuits which process module 25.
Wherein, the processor 21, the picture character searching instruction inputted for receiving user, according to picture text
Word searching instruction obtains picture source data from external memory storage 22, and sends data processing request and the picture source data extremely
Second hardware circuits which process module 25, and according to the picture character searching instruction to the first hardware circuits which process module 24
Send the request of extraction picture character and searching target character.The second hardware circuits which process module 25, it is described for receiving
Picture source data and data processing request, data processing is carried out to the picture source data according to the data processing request, and
Data after processing are stored in internal memory 26.The internal memory 26, the place sent for storing the second hardware circuits which process module 25
Data after reason.The first hardware circuits which process module 24, for according to the extraction picture character from the processor 21
And the request of searching target character, read from the internal memory 26 its storage processing after data, and to the processing after
Data carry out Word Input and character search processing, and result is returned into main frame 23.Wherein, the data processing request
For decompression request.
In the present embodiment, processor 21 judges whether picture source data is compressed data, is judging from external storage
In the case that the picture source data obtained in device 22 is compressed data, then the processor 21 according to instruction from external memory storage 22
After middle acquisition picture source data, it will send decompression request and the picture source data to the second hardware circuits which process mould
Block 25, and the request for extracting picture character and searching target character is sent to the first hardware circuits which process module 24；Described second
Hardware circuits which process module 25 carries out decompression, and the decompression that will be obtained after decompression to the picture source data
Contracting data send into internal memory 26 and stored in a manner of cycle frame buffers, with additional hardware circuit in the present embodiment
Manage module and decompression is carried out to picture source data, also can greatly improve the treatment effeciency of big data processing；Described first
Hardware circuits which process module 24 is according to the request of the extraction picture character from the processor 21 and searching target character from interior
Deposit read in 26 its storage processing after decompression data, and to after the processing decompression data carry out Word Input and
Character search is handled, and result is returned into main frame 23.Word Input and character are carried out to the data in the present embodiment
It is similar to search principle and the above-mentioned first embodiment of processing, will not be repeated here.From the foregoing, it will be observed that in the present embodiment, the solution
Compression request is that processor judges that picture source data is the data processing request sent after compressed data.
In this embodiment, it is preferred that in the first hardware circuits which process module 24 reads more by way of happening suddenly
The data stored in 26 are deposited, the transmission without carrying out data by the way of traditional single burst (sigle burst), can be saved
Bus resource.In the present embodiment, the processor 21, external memory storage 22, main frame 23, the first hardware circuits which process module 24,
Communicated between second hardware circuits which process module 25 and internal memory 26 by bus.External memory storage 22 is auxiliary external storage
Device, i.e. external memory, in some preferred embodiments, external memory storage 22 is Flash (flash memory, i.e. Flash Memory) or hard disk
Deng external memory, corresponding position that picture source data (including the data such as picture, film) will be all stored in external memory storage 22.
In some embodiments, such as in the present embodiment, the first hardware circuits which process module 24 and the second hardware circuit
Processing module 25 is also based on DSP realizations, to improve the efficiency of data processing, improves the stability of system.Understandably, this
One hardware circuits which process module 24 and the second hardware circuits which process module 25 can also be based on FPGA, MCU or be turned by algorithm
Realized into entity hardware circuit module etc..
The picture character hunting system that the present embodiment provides is solved by additional hardware circuits which process module to data
Compression, the extraction processing such as picture character and searching target character, unlike data decompression, Engineering drawing and word in traditional approach
Search is all performed by processor 21, can save the substantial amounts of resource of processor 21, and replace traditional list by the way of happen suddenly more
The mode of burst is transmitted to data, can save substantial amounts of bus resource, data-handling efficiency is improved, due to the processing of occupancy
The resource of device 21 and bus resource are few, then corresponding without consuming substantial amounts of electricity and time again, can reach time saving, power saving effect
Fruit.And because data decompression, Engineering drawing and text searching etc. are handled by hardware circuits which process module, therefore system
Multi-functional computing can effectively be carried out.
Fig. 3 is the method flow schematic diagram of the specific embodiment of picture character method for searching one of the present invention.As shown in figure 3, institute
Stating picture character method for searching includes：
S101, processor receive user input picture character searching instruction, according to the picture character searching instruction from
Picture source data is obtained in external memory storage, and is sent out according to the picture character searching instruction to the first hardware circuits which process module
Send the request of extraction picture character and searching target character.
S102, processor judge whether acquired picture source data is compressed data.
In the step, in the case where acquired picture source data is not compressed data, then the processor is according to finger
After order obtains picture source data from memory, directly the frame that the picture source data obtained is stored to internal memory by bus is delayed
Rush area, and if the processor obtains picture source data according to instruction from external memory storage, and judge the picture source
After data are compressed data, then data processing request and the picture source data will be sent to the second hardware circuits which process module.
S103, if it is not, then the picture source data is stored in internal memory by processor.
S104, if so, then sending data processing request and the picture source data to the second hardware circuits which process module.
In the step, the data processing request is decompression request.
S105, the second hardware circuits which process module handle request according to received data and the picture source data are carried out
Data processing, and the data after processing are stored in internal memory.
In the step, when the second hardware circuits which process module receives the data for being used to decompress from processor
After processing request and picture source data, decompression will be carried out to the picture source data according to the decompression request, and
The decompression data obtained after decompression are sent to internal memory and stored in a manner of cycle frame buffers.
S106, the first hardware circuits which process module are according to the request for extracting picture character and searching target character received
The data of its storage are read from internal memory, and Word Input and character search are carried out to the data and handled, and by result
Return to main frame.
In the step, the first hardware circuits which process module reads the data stored in internal memory more by way of happening suddenly,
In the case that the picture source data of the acquisition is compressed data, then the first hardware circuits which process module is read from internal memory
Be its storage the processing from the second hardware circuits which process module after data, and the acquisition picture source data not
In the case of being compressed data, then what the first hardware circuits which process module was read from internal memory is its storage from processing
The picture source data of device.And first hardware circuits which process is referred to data progress Word Input and character search processing
The data read are first carried out Engineering drawing, then the word by the text conversion in figure into plain text format by module, from this
Searching words or character in the word of plain text format, by the word searched or character and the required search in user instruction
Character is matched, if identical, the result of search is returned into main frame, if it is different, then re-starting search.
In some other embodiments, the first hardware circuits which process module carries out Word Input and word to the data
Search processing is accorded with, and is also included after result is returned into main frame：Judge in the internal memory whether also to exist not by described the
The data that one hardware circuits which process module is read, if the data not being read, first hardware circuits which process in internal memory be present
Module reads the data from the internal memory, and the data are carried out with Word Input and character search processing, and processing is tied
Fruit returns to main frame.Film is a series of picture, in the step, is searched when needing to carry out word in film or multiple map files
Seek, and have read after a few frame films or several map files, it is necessary to judge whether the picture source data not being read also be present in internal memory,
If in the presence of the data not being read, the first hardware circuits which process module reads data from the internal memory again, and to described
Data carry out Word Input and character search processing, and result is returned into main frame.
In this method, the first hardware circuits which process module and the second hardware circuits which process module are based on DSP realizations,
DSP is a kind of unique microprocessor, is the device that bulk information is handled with data signal, first hardware circuits which process
Module and the second hardware circuits which process module are realized based on DSP, are advantageous to improve the efficiency of data processing, are also beneficial to improve system
The stability of system.
In summary, the present invention is decompressed to data by additional hardware circuits which process module, extracts picture text
Word and searching target character etc. processing, unlike in traditional approach data decompression, Engineering drawing and text searching all by processor
Perform, substantial amounts of processor resource can be saved, and data are entered instead of traditional form singly to happen suddenly by the way of happen suddenly more
Row transmission, can save substantial amounts of bus resource, data-handling efficiency be improved, because the processor resource and bus resource of occupancy are few
, then it is corresponding without consuming substantial amounts of electricity and time again, it can reach time saving, power saving effect.
The preferred embodiments of the present invention are the foregoing is only, rather than any formal limitation is done to the present invention.This area
Technical staff various equivalent changes and improvement, all institutes within the scope of the claims can be imposed on the basis of above-described embodiment
The equivalent variations done or modification, it all should fall under the scope of the present invention.
Claims (9)
- A kind of 1. picture character hunting system, it is characterised in that：Include processor, internal memory and the first hardware circuits which process mould Block, wherein,The picture character searching instruction that the processor is used to be inputted according to user obtains picture source number from external memory storage According to, and the picture source data is stored in the internal memory, and according to the picture character searching instruction to first hardware Processing of circuit module sends the request of extraction picture character and searching target character；The first hardware circuits which process module is used for the request according to the extraction picture character and searching target character, from institute State after internal memory reads the data of its storage and the data are carried out with Word Input and character search processing, and result is returned To main frame.
- 2. picture character hunting system as claimed in claim 1, it is characterised in that：The picture character hunting system also includes There is one second hard circuit part processing module, for receiving picture source data and data processing request from the processor, and Data processing is carried out to the picture source data according to the data processing request, and the data after processing are stored in internal memory, Wherein, the data processing request is decompression request.
- 3. picture character hunting system as claimed in claim 2, it is characterised in that：The first hardware circuits which process module and Second hardware circuits which process module is realized based on DSP.
- 4. picture character hunting system as claimed in claim 1, it is characterised in that：The first hardware circuits which process module is led to The mode excessively to happen suddenly reads the data being stored in internal memory.
- 5. a kind of picture character method for searching, it is characterised in that the picture character method for searching includes：Processor receives the picture character searching instruction of user's input, according to the picture character searching instruction from external memory storage Middle acquisition picture source data, and the picture source data is stored in internal memory, and according to the picture character searching instruction to One hardware circuits which process module sends the request of extraction picture character and searching target character；First hardware circuits which process module is according to the request of the extraction picture character and searching target character received from internal memory The data of its storage are read, and the data are carried out with Word Input and character search processing, and result is returned into master Machine.
- 6. picture character method for searching as claimed in claim 5, it is characterised in that described to be referred to according to the picture character search Order obtains picture source data from external memory storage, and the picture source data is stored in and specifically included in internal memory：Processor judges whether acquired picture source data is compressed data, if it is not, then by the picture source data be stored in Internal memory, if so, then sending data processing request and the picture source data to the second hardware circuits which process module, the second hardware electricity Road processing module handles request according to received data and carries out data processing to the picture source data, and by the number after processing According to being stored in internal memory.
- 7. picture character method for searching as claimed in claim 5, it is characterised in that the first hardware circuits which process module pair The data carry out Word Input and character search processing, and also include after result is returned into main frame：Judge in described Whether the data not read by the first hardware circuits which process module also be present in depositing, if the number not being read in internal memory be present According to, then the first hardware circuits which process module reads the data from the internal memory, and the data are carried out Word Input and Character search is handled, and result is returned into main frame.
- 8. picture character method for searching as claimed in claim 6, it is characterised in that：The first hardware circuits which process module and Second hardware circuits which process module is realized based on DSP.
- 9. picture character method for searching as claimed in claim 5, it is characterised in that：The first hardware circuits which process module is led to The mode excessively to happen suddenly reads the data being stored in internal memory.
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| CN109582816A (en) * | 2018-10-09 | 2019-04-05 | 深圳大普微电子科技有限公司 | Storage device, system and photograph searching method with photograph function of search |
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