CN103295034B - A kind of embedded Books Chaotic Frame checking system based on DSP and method - Google Patents
A kind of embedded Books Chaotic Frame checking system based on DSP and method Download PDFInfo
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- CN103295034B CN103295034B CN201310157780.6A CN201310157780A CN103295034B CN 103295034 B CN103295034 B CN 103295034B CN 201310157780 A CN201310157780 A CN 201310157780A CN 103295034 B CN103295034 B CN 103295034B
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Abstract
The invention discloses a kind of embedded Books Chaotic Frame checking system based on DSP and method.By image data acquiring module, image processing module, wireless communication module, form based on the module of checking of library automation system ILASIII.The present invention can realize the auto inventory of library at frame books, employing hardware configuration is simple, software code is little, has the features such as low in energy consumption, real-time, microminiaturized, cost is low, can complete the Book Inventory in modern books circulation library and work of making an inventory fast.
Description
Technical field
The present invention relates to a kind of embedded Books Chaotic Frame checking system based on DSP and method.
Background technology
Nowadays along with library preservation books constantly increase, paper book gets more and more, and library book Messy phenomena gets more and more, and this also becomes nowadays library management problem that can not be ignored.Current library mainly according to Library Books classification, label, according to label word order, order framed bent is carried out to collected books, bookshelf, and once have collected books to be moved leave original label word ordinal position, then the search means likely owing to not had make it to become dead book.Final finishing bookshelf time, be easily unheeded owing to arranging excessive large often dead book, this just causes the waste of library resource, and then easily causes reader to the query of library management and service level, the damage of Library Image.
Nowadays conventional Book Inventory method is mainly divided into two classes: book searching board and RFID chip management.Many readers all can not be correct use book searching board (as book searching board is disorderly inserted or need not), this makes the random frame situation of Library Books in library still frequently occur.RFID chip management is as in library, each copy of book all sticks the electronic tag with RFID chip, the library large concerning some collection amounts, for each books, to stick the cost of the electronic tag of RFID chip too large, and the instability affecting Tag Radio Frequency signal being sometimes subject to extraneous factor causes misreading its layer books of its frame sometimes, or can not read when can read and make an inventory during location.These two kinds of methods all can not solve the random frame of library book very well and check problem.
In order to realize quick and precisely locating the random frame books position of library preservation, the system of fast and reliable is needed to collect collection book information, process and locate.Realize high-precision library preservation books location to collect books information with random frame, also day by day become and nowadays constantly expand the major issue that Library Collection amount library faces.
Summary of the invention
In order to solve existing book management system the deficiencies in the prior art, the invention provides a kind of fast and accurately based on the embedded Books Chaotic Frame checking system of DSP.
In order to realize above-mentioned technical purpose, technical scheme of the present invention comprises
For the spine arranged at frame books is scanned, after scan image being carried out split and identify, the title that acquisition is indicated on spine and Shelf number are as characteristic information, characteristic information is checked processing server by wireless network transmissions to Books Chaotic Frame, the Books Chaotic Frame that echo checks by Books Chaotic Frame the Books Chaotic Frame information that processing server is beamed back again checks data acquisition unit, and
The data that data acquisition unit sends are checked for receiving Books Chaotic Frame, by the incomplete books Shelf number completion of books image information analysis, the identification of random frame books is carried out according to complete Shelf number, again the Books Chaotic Frame that the title of random frame books and Shelf number characteristic information check data acquisition unit by radio network feedback to Books Chaotic Frame is checked processing server
Described Books Chaotic Frame is checked data acquisition unit and Books Chaotic Frame and is checked processing server and wirelessly communicate to connect;
Described Books Chaotic Frame is checked data acquisition unit and is comprised camera, communication interface module, image procossing nucleus module and LCDs, and described communication interface module communicates to connect with high-resolution camera, image procossing nucleus module and LCDs respectively;
It is the computing machine being equipped with wireless network module that described Books Chaotic Frame checks processing server.
Described a kind of embedded Books Chaotic Frame checking system based on DSP, described image procossing nucleus module comprises data storage cell, program storage unit (PSU) and dsp processor, and described dsp processor communicates to connect with data memory module and program storage block respectively.
Described a kind of embedded Books Chaotic Frame checking system based on DSP, described communication interface module comprises Camiera input port, image decoding unit, UART Universal Asynchronous Receiver Transmitter, RS232 transceiver, RS232 port and wireless network card, Camiera input port is connected with camera, for gathering the image of external camera; Image decoding unit is connected with the image input port of dsp processor with Camiera input port respectively, for receiving the analog image of camera port and carrying out decoding to generate digital picture and outputting to dsp processor, dsp processor is controlled decoding chip by iic bus; The controller of UART Universal Asynchronous Receiver Transmitter and dsp processor communicate to connect, for realizing the protocol conversion between the parallel data of dsp processor and the serial communication data of UART Universal Asynchronous Receiver Transmitter; RS232 transceiver is connected with UART Universal Asynchronous Receiver Transmitter, for realizing the level conversion between UART Universal Asynchronous Receiver Transmitter serial communication data and RS232 communication data; RS232 port connects RS232 transceiver and for being physically connected to outside RS232 communication port, described wireless network card communicates to connect with dsp processor and is connected for checking processing server radio communication with Books Chaotic Frame.
Based on an embedded Books Chaotic Frame counting method of DSP, comprise the following steps:
Step one: utilize Books Chaotic Frame to check data acquisition unit and the spine arranged at frame books is carried out image acquisition, then by gathered Image Segmentation Using and identification, the title that acquisition is indicated on spine and Shelf number are as characteristic information;
Step 2: obtained characteristic information is sent to Books Chaotic Frame and checks processing server and carry out integrality identification, call Bibliographical Information and the holding items of library automation system ILAS III, by string matching completion wherein incomplete call number information, then full storehouse books positional information stored in characteristic information and database is contrasted;
Step 3: being sent to current gathered image Books Chaotic Frame in frame books tram information and checking data acquisition unit and show.
Described method, the step of gathered Image Segmentation Using and identification is comprised described in described step one:
Step 1: pre-service is carried out with outstanding books spine region boundary member to image;
Step 2: edge segmentation is carried out to image;
Step 3: utilize boundary information original image to be resolved into single these books spine subimage;
Step 4: the call number on spine and title are identified respectively with character recognition technologies, thus complete the extraction of characteristic information.
Described Books Chaotic Frame is checked acquisition that processing server mainly comprises full storehouse books positional information and record and the prompting of random frame books and the tram of random frame books and to be playbacked two functions, wherein:
(1) acquisition of full storehouse books positional information and record, record the actual position information that full shop each book is current, this information specifies in certain region of certain these books or certain the room bookshelf floor in shop, or has lent in certain reader's hand.And, reflected at any time in the change of the books actual deposit position enforcement of checking along with collector tables of data in the server.
(2) prompting of random frame books and the tram playback of random frame books, from the books Shelf number that full storehouse books positional information is determined, according to Shelf number ordering rule, the wrong frame information of each chord position books is reminded, shows the correct chord position of frame books to be returned.
Compared with existing book management system, the invention has the advantages that:
1. the embedded system based on DSP is applied to the random frame Book Inventory field in library by the present invention, achieves the quick collection of random frame book information, decreases the time that manpower arranges the cost of random frame books;
2. volume of the present invention is little, integrated level is high, cost is low; Library only needs a Books Chaotic Frame to check processing server and several Books Chaotic Frames check data acquisition unit, reduces cost;
3. the present invention adopts DSP to realize the treatment and analyses of books spine image, improves the speed of image acquisition, decreases the pressure of server process data, accelerate the response time of server, improve the bulk velocity of system;
4. the present invention adopts high resolution camera to obtain the spine information of collection at frame books, imaging effect is good, keep the book information on original spine to greatest extent, improve measuring accuracy, and the location of random frame books is not by other disturbing effect except light.
Below in conjunction with accompanying drawing, the invention will be further described.
Accompanying drawing explanation
Fig. 1 is present system module diagram;
Fig. 2 is image processing flow figure of the present invention;
Fig. 3 is present system hardware schematic diagram.
Embodiment
See Fig. 1, system involved in the present invention forms primarily of image capture module, image processing module, wireless communication module and the module of checking based on library automation system ILASIII.First image capture module is gathered the spine image that library arranges at frame by high-resolution camera, gather the video decoding chip of image in module of coming in, analog image is converted to digital picture and is input in the TI DSP DM6446 chip of image processing module; First DSP is stored into view data in DRAM, then the image processing program called in FLASH processes the view data stored, and the image information handled well (title/call number) is issued Books Chaotic Frame by wireless communication module and checks processing server; Wireless communication module, based on Zigbee protocol, is selected to native system with advantages such as its low-power consumption, low cost and flexible networkings; Image information enters after Books Chaotic Frame checks processing server, the Bibliographical Information of server calls ILASIII and holding items webservice interface, utilize character string matching method by the possible incomplete books Shelf number completion of image information analysis, carry out the identification of random frame books according to complete Shelf number; Last server feeds back to data acquisition unit information such as the title of random frame books and call number again by wireless communication module, and shows in the LCDs of data acquisition unit.
Figure 2 shows the main working process of image procossing.Idiographic flow step is as follows:
(1) carry out pre-service to image, better outstanding spine region boundary member, weakens the bookshelf image disruption existed.Preprocessing process comprises coloured image is changed into gray-scale map and gray balance.During because of Boundary Detection, process with coloured image the length that expends time in when subimage extracts, and to process with its gray image, can save time, but effect after process is unaffected.
(2) edge segmentation is carried out to image:
Watershed algorithm is a kind of conventional Fast Segmentation technology in image procossing, and the present invention adopts the Algorithm of Watershed Image Segmentation based on mark: carry out Morphological Reconstruction to pretreated image, and image after reconstitution marks the target that will extract.Utilize the mark of gained to revise pretreatment image, finally watershed segmentation is carried out to revised pretreatment image.
Adopt above-mentioned proposed Morphological Reconstruction conversion to extract watershed transform identification point, its watershed line is just the edge of spine in image, can complete the segmentation on spine border exactly.
(3) utilize boundary information that original image is resolved into subimage.Every width subimage just represents a book, and the subimage extracted also is convenient to next step feature information extraction.When extracting subimage, basic ideas first build an empty graph onesize with former figure, then utilizes boundary information, 1 is set to by containing the pixel value in the image range of Dan Benshu, rest of pixels value is 0, newly-generated logical image and original image is occured simultaneously, and just can obtain a width subimage.
(4) with character recognition technologies, the call number on spine and title are identified respectively, thus complete the extraction of spine information.Before doing character recognition, need first these character zones are located respectively, be separated call number and title characteristic information out, namely gained image is above divided again, then call OCR technology and character is identified.So far, the title of single these books spine and call number have all got.
Fig. 3 gives system hardware schematic diagram, mainly comprise Books Chaotic Frame and check processing server and Books Chaotic Frame checks data acquisition unit.
Books Chaotic Frame is checked data acquisition unit and is comprised: high-resolution camera, power supply, communication interface base plate, image procossing core board and LCDs, and communication interface base plate is connected with high-resolution camera, power supply, image procossing core board, LCDs respectively by electric wire.
Image procossing core board comprises: dynamic RAM DRAM(pin-saving chip), FLASH memory (program storage chip), dsp processor.The data bus of dsp processor is connected with FLASH memory with dynamic storage DRAM with address bus, and dsp processor accesses dynamic data and static data by the address of specifying.
Communication interface base plate comprises: Camiera input port, image decoding chip, wireless network card, UART Universal Asynchronous Receiver Transmitter, RS232 transceiver, RS232 port.Camiera input port is connected with camera, for gathering the image of external camera; Image decoding chip is connected with the image input port VPFE of dsp processor with Camiera input port respectively, for receiving the analog image of camera port and decoding, generate digital picture and output to dsp processor, dsp processor is controlled decoding chip by iic bus; The controller of UART Universal Asynchronous Receiver Transmitter is connected with address bus with the data bus of dsp processor, for realizing the protocol conversion between the parallel data of dsp processor and the serial communication data of UART Universal Asynchronous Receiver Transmitter; RS232 transceiver is connected with UART Universal Asynchronous Receiver Transmitter, for realizing the level conversion between UART Universal Asynchronous Receiver Transmitter serial communication data and RS232 communication data; RS232 port is for being physically connected to outside RS232 communication port.
Claims (5)
1., based on an embedded Books Chaotic Frame checking system of DSP, it is characterized in that, comprise
For the spine arranged at frame books is scanned, after scan image being carried out split and identify, the title that acquisition is indicated on spine and Shelf number are as characteristic information, characteristic information is checked processing server by wireless network transmissions to Books Chaotic Frame, the Books Chaotic Frame that echo checks by Books Chaotic Frame the Books Chaotic Frame information that processing server is beamed back again checks data acquisition unit, and
The data that data acquisition unit sends are checked for receiving Books Chaotic Frame, by the incomplete books Shelf number completion of books image information analysis, the identification of random frame books is carried out according to complete Shelf number, again the Books Chaotic Frame that the title of random frame books and Shelf number characteristic information check data acquisition unit by radio network feedback to Books Chaotic Frame is checked processing server, the process of wherein carrying out the identification of random frame books for: obtained characteristic information is sent to Books Chaotic Frame and checks processing server and carry out integrality identification, call Bibliographical Information and the holding items of library automation system ILAS III, by string matching completion wherein incomplete call number information, then full storehouse books positional information stored in characteristic information and database is contrasted,
Described Books Chaotic Frame is checked data acquisition unit and Books Chaotic Frame and is checked processing server and wirelessly communicate to connect;
Described Books Chaotic Frame is checked data acquisition unit and is comprised camera, communication interface module, image procossing nucleus module and LCDs, and described communication interface module communicates to connect with high-resolution camera, image procossing nucleus module and LCDs respectively;
It is the computing machine being equipped with wireless network module that described Books Chaotic Frame checks processing server.
2. a kind of embedded Books Chaotic Frame checking system based on DSP according to claim 1, it is characterized in that, described image procossing nucleus module comprises data storage cell, program storage unit (PSU) and dsp processor, and described dsp processor communicates to connect with data storage cell and program storage unit (PSU) respectively.
3. according to a kind of embedded Books Chaotic Frame checking system based on DSP according to claim 2, it is characterized in that, described communication interface module comprises Camiera input port, image decoding unit, UART Universal Asynchronous Receiver Transmitter, RS232 transceiver, RS232 port and wireless network card, Camiera input port is connected with camera, for gathering the image of external camera; Image decoding unit is connected with the image input port of dsp processor with Camiera input port respectively, for receiving the analog image of camera port and carrying out decoding to generate digital picture and outputting to dsp processor, dsp processor is controlled decoding chip by iic bus; The controller of UART Universal Asynchronous Receiver Transmitter and dsp processor communicate to connect, for realizing the protocol conversion between the parallel data of dsp processor and the serial communication data of UART Universal Asynchronous Receiver Transmitter; RS232 transceiver is connected with UART Universal Asynchronous Receiver Transmitter, for realizing the level conversion between UART Universal Asynchronous Receiver Transmitter serial communication data and RS232 communication data; RS232 port connects RS232 transceiver and for being physically connected to outside RS232 communication port, described wireless network card communicates to connect with dsp processor and is connected for checking processing server radio communication with Books Chaotic Frame.
4., based on an embedded Books Chaotic Frame counting method of DSP, it is characterized in that, comprise the following steps:
Step one: utilize Books Chaotic Frame to check data acquisition unit and the spine arranged at frame books is carried out image acquisition, then by gathered Image Segmentation Using and identification, the title that acquisition is indicated on spine and Shelf number are as characteristic information;
Step 2: obtained characteristic information is sent to Books Chaotic Frame and checks processing server and carry out integrality identification, call Bibliographical Information and the holding items of library automation system ILASIII, by string matching completion wherein incomplete call number information, then full storehouse books positional information stored in characteristic information and database is contrasted;
Step 3: being sent to current gathered image Books Chaotic Frame in frame books tram information and checking data acquisition unit and show.
5. method according to claim 4, is characterized in that, the step of gathered Image Segmentation Using and identification being comprised described in described step one:
Step 1: pre-service is carried out with outstanding books spine region boundary member to image;
Step 2: edge segmentation is carried out to image;
Step 3: utilize boundary information original image to be resolved into single these books spine subimage;
Step 4: the call number on spine and title are identified respectively with character recognition technologies, thus complete the extraction of characteristic information.
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Cited By (1)
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| CN107993381A (en) * | 2017-08-10 | 2018-05-04 | 大连民族大学 | A kind of book self-help distribution method |
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| CN104966081B (en) * | 2015-06-04 | 2018-05-01 | 广州美读信息技术有限公司 | Spine image-recognizing method |
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| CN108875616B (en) * | 2018-06-07 | 2021-10-26 | 广东数相智能科技有限公司 | Book shelf disorder detection method, electronic equipment and storage medium |
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