CN104778435A - Method for voice broadcasting of physically-distributed commodity information based on color two-dimensional code technology - Google Patents
Method for voice broadcasting of physically-distributed commodity information based on color two-dimensional code technology Download PDFInfo
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Abstract
The invention discloses a method for voice broadcasting of physically-distributed commodity information based on a color two-dimensional code technology. The method comprises the following steps: 1, in links of supplying and sorting of physical distribution, obtaining voice broadcasting through scanning a color two-dimensional code in which voice information is recorded, and generating the color two-dimensional code based on a QR Code manner, wherein the color two-dimensional code has relevant information of physically-distributed commodities and voice introduction of a scenery spot and the like; 2, downloading relevant APP through Bluetooth or WIFI by relevant persons, scanning the color two-dimensional code by using a cellphone; 3, displaying information of physically-distributed products on the cellphone in real time, wherein the information of the physically-distributed product includes an address to be dispatched, a price and the voice introduction of the scenery spot in which a traveler is located, wherein voice can include mandarin Chinese, Cantonese and English. The method has the advantages of greatly increasing the amount of information, a recognition rate and a recognition speed, and the like.
Description
Technical field
The present invention relates to a kind of Internet of Things information processing technology, in particular to a kind of method that flow goods information speech based on color 2 D code technology is reported, be the recognition methods that a kind of flow goods information speech based on color 2 D code technology is reported, have that color 2 D code application platform is built, the coding of color 2 D code image generates, the effect such as the identification of color 2 D code and voice broadcast logistics information.
Background technology
Color 2 D code technology develops on the basis of black and white Quick Response Code recognition technology.The color sum chosen in colour barcode is greater than 2 kinds, designs new coding rule simultaneously, makes the ratio of compression of data encoding higher, so, and can larger raising two-dimensional barcode information capacity.Common black and white QRcode code is by the restriction of self-capacity, and be 2956 code word datas to the maximum data capacity theoretical value of information coding, be equivalent to 2.8876 million, capacity is very limited.Therefore need picture, audio-video document link to be stored to network, or to place it in server end, after being decoded in the network address, content of multimedia could be obtained from network.And color 2 D code information storage is large, audio-frequency information directly can be stored in Quick Response Code, realizes the mode of more convenient acquisition multimedia service.
Colour barcode technology is studied just at the early-stage at present at home.Some Universities is only had to study colour barcode encoding and decoding.The doctor Liu Ningzhong of Institutes Of Technology Of Nanjing proposes and expands common black and white two look two-dimensional bar code, in conjunction with geometry and the color formation of bar code character, a kind of Three-Dimensional Bar Code is proposed, namely colour barcode, but only mention mentality of designing in literary composition, not in conjunction with existing two-dimensional bar code mechanism, design concrete Three-Dimensional Bar Code code system standard.The pass great waves of Tsing-Hua University analyze the generative process of Data Matrix bar code, and Information expansion is carried out to it, generate a kind of colored Data Matrix bar code newly, but the difference value extended method of Data Matrix bar code not being fully taken into account to barcoded color proposed in its literary composition, if adopt the method expansion, to greatly strengthen difficulty and the workload of decoding, and the method is not high to the ratio of compression of encode Chinese characters for computer equally.And in mobile terminal, colour barcode taken and through the process of digital image methods, finally decode, domestic also not relevant product at present.
The external research for colour barcode is at present relatively fast, and main representative has the Color Zip company of Microsoft Research and Korea S.A color two dimension bar code of Microsoft Research independent research, inventor is GavinJancke, has four looks and eight looks, two kinds of versions.Compare with other color two dimension bar codes, its minimum unit is triangle instead of square and circular.Such design can be compared and had superiority in packing density, and and the packing density of general black-and-white two dimensional bar code compare, approximately can realize the density of 2 one 3 times.With the scanner of 6OODPI as input equipment, the packing density of 2000 scale-of-two bytes or 3500 Latin alphabets and numeral per square inch can be realized.ColorZIP company is also releasing one " colour barcode " business in two-dimensional bar code, and this bar code is developed by the research group of Univ Yonsei Seoul of famous private college of Korea S, and is proposed Related product gradually.The feature of " colour barcode " can be made up of the pattern namely understood at a glance as photo.Only use red, green, blue, black 4 kinds of colors at present.Allegedly the version of use 8 kinds of colors also just under development.But, should " colour barcode " be not that full detail is all embedded in bar code, and only embedded in index information, but send index information by reader and mobile phone to server, convert uRL information on the server to, then jump to corresponding web page.On the whole, " colour barcode " combine with technique mobile terminal product is the trend of barcode technology future development, and current each state is all also in the research and probe stage, has great Scientific Research Potential.
On the other hand, although the Quick Response Code of China is widely used at present, but compared with the states such as Japan and Korea S, the Quick Response Code development of China is also nowhere near, research abroad for 2D bar code technology starts from late 1980s, the main study subject that 2D bar code technology is initial be how to need the bulk information inputted in computing machine to be represented by the form of bar code, to facilitate the operation of related personnel, the i.e. design of two-dimensional bar code, comprising the Data Matrix be used widely afterwards, QR Code, PDF417, Code49, the two-dimensional bar codes such as Code One and Maxi code.Meanwhile, in order to accurately identify the information comprised in bar code, how the convert information represented by bar code is become the data that computing machine can identify automatically and also naturally become another main study subject.On this basis, in recent years, scientist that is American-European and Japan has jumped out traditional application of two-dimensional bar code, carry out technical research bar code identified by mobile terminal devices such as mobile phones, thus make the application of two-dimensional bar code no longer be confined to the industries such as the manufacturing, transport, commercial distribution, and be deep into daily life, leisure and amusement direction.The Quick Response Code mobile terminal time of commercial operation of Japan at least will shift to an earlier date 4-5 than domestic, and its utilization rate also reaches more than 70%, for the whole world is the highest, and Japanese color 2 D code technology patent applied for.
And at present, along with the develop rapidly of China's economy and the generally raising of people's income, material flow industry role in the life of people is also more and more important, especially shows more obvious in tourist industry and business activity.This importance is embodied in the requirement of people to efficiency and improves gradually, and dispensing of classifying faster, more accurate dispatch management become the target that many loglstics enterprises are pursued.If Quick Response Code and material flow industry can be combined effectively, the conevying efficiency of material flow industry entirety effectively must be improved.
Simultaneously in tourist industry, the reward system of leading of electronization just progressively replaces the service manually leading reward.Electronics leads the needs that the more convenient and personalized feature of reward can meet visitor well, thus more and more receives popular favor.Electronics leads reward system not only can provide the map of tourist attractions and corresponding navigation Service, can provide the informative presentations of sight spot voice broadcast and character introduction, corresponding showpiece simultaneously, and the merchandise news of souvenir and shopping guide's service.The electronics of this customization based on Quick Response Code leads reward system, greatly can improve the Consumer's Experience of client, and rationally apply existing resource.
Summary of the invention
The object of the invention is to overcome the shortcoming of prior art and deficiency, a kind of method that flow goods information speech based on color 2 D code technology is reported is provided, this recognition methods can obtain by the scanning color 2 D code be printed on above commodity the voice broadcast information be recorded in Quick Response Code, it is the once innovation to existing planar bar code technology, material flow industry, tourist industry etc. and people can be widely used in live closely bound up all trades and professions, relate to Internet of Things, electronics leads multiple fields such as reward.Technical matters solved by the invention is the coding generating color 2 D code image, this color 2 D code labeling is in certain position at flow goods or sight spot, APP is downloaded by personnel's mobile phone terminal, scan, stream product information or sight spot introduction is play at mobile phone, the quantity of information that such Quick Response Code can record is larger, and due to existing QR code in discrimination.Object of the present invention is achieved through the following technical solutions: a kind of method that flow goods information speech based on color 2 D code technology is reported, and comprises the following steps:
Step 1, in the supply of logistics and the link of sorting, the color 2 D code being recorded voice messaging by scanning obtains voice broadcast, and based on the Form generation color 2 D code of QR Code, there is in described color 2 D code the voice introduction of the relevant information and sight spot etc. of flow goods;
Step 2, related personnel download relevant APP, with mobile telephone scanning color 2 D code by bluetooth or WIFI;
The information of real-time display stream product on step 3, mobile phone, have in the information of described stream product need to send with charge free address, price and sight spot, passenger place voice introduction, described voice can be divided into national language, Guangdong language and English.
In step 1, the basis of described QR Code use MD5, Base64 cryptographic algorithm to generate color 2 D code.Quantity of information, the aspect such as discrimination and recognition speed of this color 2 D code improve greatly compared to black and white Quick Response Code.
In step 1, identify each number in k system number respectively in the module of described color 2 D code k kind different colours, making number of modules be the information capacity that the color two dimension bar code of n can represent is kn.This color 2 D code is better than common black and white Quick Response Code significantly, can stored audio information, is not limited only to network address link.
Principle of work of the present invention: the form that the present invention is based on QR Code produces color 2 D code, mobile telephone scanning color 2 D code, obtains information and the voice broadcast of Related product, reduces artificial use.
The present invention has following advantage and effect relative to prior art:
The information that color 2 D code stores is larger, and mobile phone-downloaded APP, can obtain the voice messaging at stream product and sight spot after scanning, reduces and manually uses, raise the efficiency.
Accompanying drawing explanation
Fig. 1 is the identification process figure of QRcode.
Fig. 2 is the compilation process figure of Android application.
Embodiment
Below in conjunction with embodiment and accompanying drawing, the present invention is described in further detail, but embodiments of the present invention are not limited thereto.
Embodiment
The coding that the recognition methods reported based on the flow goods information speech of color 2 D code technology comprises color 2 D code image generates, the collection of color 2 D code image, pre-service and decoding and voice broadcast information three modules.First module is image in 2 D code generation module; Second module is color 2 D code image acquisition and decoding module, comprises three kinds of image acquisition modes: scan, take pictures and load local image, and decoding comprises data sampling grid and error correction etc. in extraction in preprocessing process and correction, decoding; 3rd module is voice broadcast information module, and in this process, row decoding of being gone forward side by side after pre-service by the two-dimensional code symbol image collected, if the audio-frequency information that decoding information obtains is played back by sound broadcasting device.
1, the coding of color 2 D code image generates;
The present invention is based on the form of QR Code, the encryption system of design two-dimensional bar and method.QR Code code is according to certain rules in the chequered with black and white graphic recording data symbol information that plane (on two-dimensional directional) distributes with certain specific geometric figure; Coding utilizes the concept of " 0 ", " 1 " bit stream forming computer-internal logical foundations dexterously, the geometrical body using several corresponding with scale-of-two is to represent word numerical information, automatically processed to realize information by image input device or photoelectric scanning device automatically identifying and reading: two-dimensional bar code/Quick Response Code in horizontal and vertical two orientation expressing information simultaneously, therefore can express a large amount of information in very little area.
The present invention intend adopt Quick Response Code, described Quick Response Code by M capable × N arrange cell form.M capable × N row model indoor design P capable × Q row region.P is capable × and the region of Q row is second area, and the region beyond second area is first area; Or, second area comprise P capable × region of Q row, and M capable × N column region in, P is capable × Q column region outside one or more cells, the region beyond second area is first area.Wherein, M, N be more than or equal to 4 integer; 2≤P<M, 2≤Q<N.Cell in first area is used for representing the first information, and the cell in second area is used for expression second information.
The synthetic image of two-dimension code label adopts following two kinds of methods: (1) first Model representation approach, comprise the accumulating method of specifying commodity ID, the generation method of commodity ID is represented with the cell in first area, the pattern representing above-mentioned commodity ID is set in the first region, in the second area with arranging appointment image completion.(2) second Model representation approach, comprise represent password or setting data second area in the generation method of cell; Arrange some cells in the second area of Quick Response Code, replace described appointment image, the cell in second area represents password or setting data.
In the cell of first area, comprise the cell for representing commodity ID, and for verifying the cell of commodity ID, in the cell in second area, comprise the cell for representing password or setting data, and for verifying the unit of password or setting data.Encryption system comprises one or more in sequential encoding pattern, inverted order coding mode, out of order coding mode at the coding mode of first area.The coding method of sequential encoding pattern is: will comprise (N mono-P) × data of the Quick Response Code of (M mono-Q) individual cell according to serial number from top to bottom, from left to right, numbering increase successively.By the data after numbering according to ascending order, be filled in successively from top to bottom, from left to right in the data area in the Quick Response Code comprising N × M cell.The coding method of inverted order coding mode is: will comprise (N mono-P) × data of the Quick Response Code of (M mono-Q) individual cell according to serial number from top to bottom, from left to right, numbering increase successively; Then, by the data after numbering according to ascending order, be filled in successively from the bottom to top, from right to left in the data area in the Quick Response Code comprising N × M cell.The coding method of out of order coding mode is: will comprise (N mono-P) × data of the Quick Response Code of (M mono-Q) individual cell according to serial number from top to bottom, from left to right, numbering increase successively; Then, by the data area of data stuffing in the Quick Response Code comprising N × M cell after numbering, fill order is for fill from top to bottom, from left to right, and the step of filling is: obtain remaining all numberings, fills the lowest number remaining and number; Obtain remaining all numberings, fill the maximum numbering of residue numbering; Circulate successively, until all data are all filled in the data area in the Quick Response Code comprising N × M cell.
Can select to be combined with digital watermark technology.The marks such as numeral (password), sequence number, word, logos or copyright information are embedded in color 2 D code printed image data by digital watermark technology, make Quick Response Code printing images have digital finger-print feature.Printing images with digital finger-print feature realizes by colored code-spraying printing technique.
2, the collection of color 2 D code image, pre-service and decoding;
Native system realizes on Windows XP SP3 platform, first Java 1.7 version is installed and configuration surroundings variable, decompress(ion) Indigo version Eclipse 3.7.1, Android SDK compressed package is placed in Eclipse, adopt the mode of each version kit of download online Android, then create and run Dalvik virtual machine, whether verification environment is built successful.Due to the present invention Image semantic classification and decoding portion are placed on Android NDK under realize, therefore the Cygwin under integration NDK and Windows is needed, download Android NDK bag and Cygwin, the environmental variance of NDK is configured after Cygwin is installed, collocation method is as follows: namely under the free routing of Cygwin environment, utility command export is arranged or display environment variable, be worth the decompress(ion) path for Android NDK wraps, key in order env and check the path values whether having NDK in all environmental variances of system, correct display NDK path then illustrates configuration successful, on the contrary failure.
2.1 image in 2 D code acquisition modules;
The function of the image capture module of native system is the image obtaining scenic spot Quick Response Code, this module leads originally in reward process to lead reward resource, it is the image acquisition procedure write in conjunction with the SDK of Android by Java language, there are three kinds of acquisition modes, are respectively scanning, take pictures and load local image.In Android platform system, SurfaceView control is used for picture display under first two acquisition mode, controlled the content that will show by SurfaceHolder, and the third acquisition mode is directly obtain local picture path or use GUI mode to load local picture library.
2.2 Image semantic classification and decoding module;
Due to the restriction of the condition of embedded device hardware own, usually there are two difficult points when identifying Quick Response Code:
One, image defect or be mingled with each noise like, make the bar code be printed on newspaper, placard etc. have a small amount of spot or incomplete situation, it is the major obstacle of embedded device identification two-dimensional bar code.
Two, embedded device chip can not show a candle to PC in memory headroom, arithmetic capability, make it can not adopt too complicated image processing algorithm, otherwise operational effect is all very poor in precision and speed, therefore the present invention completes under the pre-service of image and decoding module are placed on Android NDK, and the identification process of whole QRcode as shown in Figure 1.
Android NDK exploitation calls local library by JNI or java applet combines with NativeCode by method, under the recognizer qrdecoder.c be made up of Image semantic classification code decoding code module using C language to write is placed on path $ PROJECT/jni/, and under this path, write Android.mk build script invention part and carry out all C code source file in described project, wherein PROJECT is Android application item destination path, then under this path or any subpath, NDK constructing system is called, run " $ NDK/ndk-build " structure C local code and become libqrdecoder.so shared library, and copied in $ PROJECT/armeabi catalogue.In the Java source code of engineering, need establishment have statement one or morely to have ' the variable of native' key word and the JNI class of method, this show they realize by local code, called for main classes, the local shared library libqrdecoder.so that this type of loading shown is built by NDK, it comprises the specific implementation of pre-treatment step and interpretation method, be packetized in the .apk of application, the necessary standard compliant Unix naming rule of storehouse name, be lib<filename.c>.so form, JNI class main code is as follows:
public class QrDecoderJni{
public native String qr_decode(int image_width,int image_height,byte[]
image_data,char[]data_format)；
static{System.loadLibrary(“qrdecoder”)；}}
The qr_decode method using C to achieve to state in JNI class in the dynamic base qrdecoder loaded, and return the symbolic information data of corresponding String type.Need javac be used to compile JNI interface class when the JNI interface class using Java to write communicates with shared library * .so, corresponding C header file is generated again with javah-jni, in header file, JNIEXPORT and JNICALL is the key word of JNI, show that this function is called by JNI, and jint and jstring is the type that to take JNI as intermediary link up int, String type of Java with int, string type of local C.Needed before compiling generates shared library .so file in the Android.mk compiling file described, main contents are:
LOCAL_PATH:＝$(call my-dir)，
Include$(CLEAR_VARS)，
LOCAL_MODULE:qrdecoder，
LOCAL_SRC_FILES:＝process.c decode.c，
Inlude$(BUILD_SHARED_LIBRARY)，
LOCAL_PATH is current directory, the value of variable call my-dir is provided by compiler and is returned as current directory address, variable CLEAR_VARS is used for clearing up except LOCAL_PATH all with the content of LOCAL beginning, also provided by compiler, LOCAL_MODULE then specifies a dynamic linked library modular, the source file composition of LOCAL_SRC_FILES describing module, BUILD_SHARED_LIBRARY specifies and generates dynamic base, static library is then BUILD_STATIC_LIBRARY, and the compilation process of whole Android application as shown in Figure 2.
Above-described embodiment is the present invention's preferably embodiment; but embodiments of the present invention are not restricted to the described embodiments; change, the modification done under other any does not deviate from Spirit Essence of the present invention and principle, substitute, combine, simplify; all should be the substitute mode of equivalence, be included within protection scope of the present invention.
Claims (3)
1., based on the method that the flow goods information speech of color 2 D code technology is reported, it is characterized in that, comprise the following steps:
Step 1, in the supply of logistics and the link of sorting, the color 2 D code being recorded voice messaging by scanning obtains voice broadcast, and based on the Form generation color 2 D code of QR Code, there is in described color 2 D code the voice introduction of the relevant information and sight spot etc. of flow goods;
Step 2, related personnel download relevant APP, with mobile telephone scanning color 2 D code by bluetooth or WIFI;
The information of real-time display stream product on step 3, mobile phone, have in the information of described stream product need to send with charge free address, price and sight spot, passenger place voice introduction, described voice can be divided into national language, Guangdong language and English.
2. the method for the report of the flow goods information speech based on color 2 D code technology according to claim 1, is characterized in that, in step 1, the basis of described QR Code uses MD5, Base64 cryptographic algorithm generate color 2 D code.
3. the method for the report of the flow goods information speech based on color 2 D code technology according to claim 1, it is characterized in that, in step 1, identify each number in k system number respectively in the module of described color 2 D code k kind different colours, making number of modules be the information capacity that the color two dimension bar code of n can represent is kn.
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