CN101227581A - Two-dimension bar code application system oriented to TV and implementing method thereof - Google Patents

Two-dimension bar code application system oriented to TV and implementing method thereof Download PDF

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Publication number
CN101227581A
CN101227581A CN 200710062906 CN200710062906A CN101227581A CN 101227581 A CN101227581 A CN 101227581A CN 200710062906 CN200710062906 CN 200710062906 CN 200710062906 A CN200710062906 A CN 200710062906A CN 101227581 A CN101227581 A CN 101227581A
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China
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bar code
dimensional bar
television
dimensional
tv
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CN 200710062906
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Chinese (zh)
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南宇珏
林 吴
征 崔
郭建辉
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报联新动力(北京)科技有限公司
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Priority to CN 200710062906 priority Critical patent/CN101227581A/en
Publication of CN101227581A publication Critical patent/CN101227581A/en

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Abstract

The invention solves a problem of a two-dimension code is difficult to decode on the television terminal, skillfully by controlling the contrast which the two-dimension code displays on the television terminal, and leads the realization of the two-dimension code can be applied in the common CRT television. According to which, the invention designs an application system and a realization method wherein the two-dimension code displayed by television, the real-time shooting and the decoding of the two-dimension code are finished by the CAM of the mobile telephone. The invention expands the application range of the two-dimension code technology, thereby provides people more services by using the two-dimension code technology.

Description

面向电视的二维条码应用系统及其实现方法技术领域本发明涉及一种面向电视的二维条码应用系统及其实现方法,尤其涉及一种能够在电视屏幕上显示二维条码,由内置摄像头的移动终端对其进行拍摄并实时解码的二维条码应用系统,还涉及该二维条码应用系统实现面向电视的二维条码应用服务的方法,属于二维条码技术领域。 TV-oriented system and its implementation dimensional bar code application TECHNICAL FIELD The present invention relates to a two-dimensional bar code for TV application and implementation method, particularly to a two-dimensional bar code can be displayed on the television screen, a built-in camera two-dimensional bar code applications and mobile terminal shoot them real-time decoding, and also relates to a method for the two-dimensional bar code applications to achieve dimensional bar code application-oriented television service, belonging to the two-dimensional bar code technology. 背景技术二维条码(2-dimensional bar code)是在水平和垂直方向上都存储信息的条码,它用若干个与二进制相对应的几何形体来表示文字或数值信息,并通过图像采集设备或光电扫描设备自动进行识读,从而实现信息处理。 BACKGROUND dimensional bar code (2-dimensional bar code) is in the horizontal and vertical directions are stored in the bar code information, it is a binary number corresponding to the geometry to represent text or numerical information, and the image capture device or a photoelectric automatically reading scanning equipment, thereby realizing an information processing. 相较于一维条码,二维条码的信息容量要高出几十倍。 Compared to the one-dimensional bar codes, two-dimensional bar code information capacity to be several times higher. 这使得二维条码不仅能够对简单的数字进行编码,还能够对照片、指纹、掌纹、 签字、声音、文字等可数字化的信息进行编码,从而提供更加丰富多彩的信息服务。 This makes the two-dimensional bar code can encode not only simple figures, but also capable of encoding information can be digitized photographs, fingerprints, palm prints, signature, voice, text, etc., to provide richer information services. 在曰本、韩国等国家,利用具有拍照功能的移动电话拍摄二维条码, 从而获取相关移动增值服务的移动电话二维条码业务已得到广泛应用。 In saying this, South Korea and other countries, the use of mobile phones with camera functions of shooting two-dimensional bar code in order to gain a mobile phone two-dimensional bar business-related mobile value-added services has been widely used. 2006年8月1日,中国移动正式在国内推出移动电话二维条码业务。 August 1, 2006, China Mobile officially launched in China mobile phone two-dimensional bar code business. 可以预见,在拥有4亿多移动电话用户的中国,移动电话二维条码业务将具有广阔的发展空间,为服务提供商、设备商、移动电话终端厂商、商家以及运营商带来新的机遇。 It is anticipated that China has more than 400 million mobile phone users, mobile phone two-dimensional bar code business will have a broad space for development, for service providers, equipment manufacturers, mobile phone terminal manufacturers, merchants and operators to bring new opportunities. 目前,使用二维条码的通常方式是将二维条码印刷在纸张、卡片或金属表面,利用图像采集设备如摄像头进行拍摄,并通过专门的软件加以识读。 Currently, two-dimensional barcode is the usual manner in a two-dimensional bar code printing paper, card or metal surfaces, such as a camera for photographing and reading them through a dedicated software with the image acquisition device. 这种应用方式将二维条码的使用局限在物理介质表面。 This application is a two-dimensional bar code will be confined to the surface of the physical medium. 但是, 我国现有的CRT (Cathode Ray Tube,阴极射线管)电视保有量超过3亿台。 However, our existing CRT (Cathode Ray Tube, cathode ray tube) television ownership in over 300 million units. 有相当多的用户很少阅读报刊、杂志,却习惯于天天看电视。 There are a considerable number of users rarely read newspapers, magazines, television was used to handle every day. 对于此类用户,现有二维条码依赖于物理介质的工作模式无疑存在明显的服务空白。 For such users, the working mode of the existing two-dimensional bar code depends on the physical media is undoubtedly significant service gaps. 为了扩大现有二维条码技术的应用范围,使更广大的用户能够享受二维条码技术所能带来的方便、快捷的信息服务,人们迫切需要一种能够将二维条码通过CRT电视的屏幕进行显示并便于识读的解决方案。 In order to expand the scope of application of existing two-dimensional bar code technology, so that a wider audience can enjoy the convenience of a two-dimensional bar code technology can bring, quick information services, there is an urgent need for a two-dimensional bar code through the CRT TV screen and facilitate display reading solutions. 在CRT电视的屏幕显示二维条码并不存在任何的技术困难,但是使用普通的图像采集设备如摄像头来识读该二维条码则存在明显的困难。 In the CRT screen of the television display two-dimensional bar code does not exist any technical difficulties, but the use of conventional image capture device such as a camera, reading the two-dimensional bar code is present significant difficulties. 这主要是因为我国电视的国家标准规定,CRT电视的行扫描频率为15625Hz, 场扫描频率为50Hz,其行、场扫描均为单频同步扫描。 This is mainly because China's national standard television regulations, CRT TV line scanning frequency is 15625Hz, field scanning frequency of 50Hz, its horizontal and vertical scanning are synchronized single frequency scanning. 而通常所使用的摄像头,特别是开展移动电话二维码业务所使用的普通摄像头,其工作频率很难保证和电视扫描频率保持一致,因此容易产生抖动和闪烁现象,导致二维条码无法被识读出来。 The camera is usually used, in particular, to carry out ordinary camera mobile phone business two-dimensional code used, the operating frequency is difficult to ensure consistent and TV scanning frequency, and therefore prone to jitter and flicker, resulting in a two-dimensional bar code can not be identified read out. 发明内容本发明所要解决的首要技术问题在于提供一种适用于CRT电视的二维条码应用系统。 The present invention solves the primary technical problem is to provide a two-dimensional bar code applications suitable for CRT TVs. 该系统能够有效克服二维条码在隔行扫描的CRT电视屏幕上显示,因存在抖动和闪烁现象而难以被普通摄像头识读并解码的问题。 The system is able to overcome the two-dimensional bar code in the interlaced CRT TV screen, due to the presence of jitter and flicker difficult to be ordinary camera reading and decoding of the problem. 本发明还提供了一种上述二维条码应用系统实现面向电视的二维条码应用服务的方法。 The present invention also provides a two-dimensional bar code applications for a method of television dimensional bar code applications and services. 为实现上述的发明目的,本发明采用下述的技术方案-一种面向电视的二维条码应用系统,其特征在于:所述应用系统包括电视制作单元、电视和二维条码识读装置; 所述电视制作单元中设有二维条码编码装置,所述编码装置根据特定信息生成二维条码图像,由所述电视制作单元将所述二维条码图像附加到电视节目信号中-,所述电视接收并播放所述电视节目信号;所述二维条码识读装置拍摄所述电视中播出的二维条码图像,并对其进行识读,根据识读出的信息提供后续的信息服务。 To achieve the above object of the present invention, the present invention adopts the following technical solution - A television system applications for two-dimensional bar code, wherein: said application includes a television production unit, a television and two-dimensional bar code reading means; the said television production unit is provided with a two-dimensional bar code encoding means, said encoding means generates a two-dimensional barcode image in accordance with certain information, by the television production unit the two-dimensional bar code image to a television program signal, - the TV receive and play the television program signal; said two-dimensional bar code reading apparatus capturing a two-dimensional barcode image in the television broadcast, and subjected to reading, to provide follow-up information based on the information reading out of service. 其中,所述二维条码图像中,深浅色块的对比度在35%到65%的范围内。 Wherein the two-dimensional barcode image, the contrast of color shades in the range of 35% to 65%. 所述二维条码图像中,底色为灰色。 The two-dimensional barcode image, the background is gray. 所述电视为隔行扫描的CRT电视。 The TV is a CRT TV interlaced. 所述二维条码识读装置包括摄像头和解码器,所述摄像头向所述解码器传送图像数据。 The two-dimensional bar code reading device includes a camera and a decoder, the camera transmits the image data to the decoder. 所述二维条码识读装置为安装有摄像头的移动电话。 The two-dimensional bar code reading apparatus mounted in a mobile phone with a camera. 一种实现面向电视的二维条码应用服务的方法,基于上述的二维条码应用系统实现,所述二维条码应用系统包括电视制作单元、电视和二维条码识读装置,其特征在于: A television-oriented approach to achieve dimensional bar code applications and services, to achieve the above application system based on two-dimensional bar code, the two-dimensional bar code applications including television production unit, a television and two-dimensional bar code reading apparatus comprising:

(1) 电视制作单元制作带有二维条码图像的电视节目; (1) production of television programs TV production unit with a two-dimensional bar code image;

(2) 电视制作单元检测并调整电视节目中二维条码图像的对比度, (2) TV production unit detects and adjusts the contrast of a television program in the two-dimensional barcode image,

使其在35%到65%的范围之内; Be in a range of 35% to 65% of;

(3) 电视制作单元将电视节目信号发送至电视,由电视播放该带有二维条码的电视节目; (3) Production unit television program TV signal to the television, the television having a two-dimensional bar television programs;

(4) 用户通过二维条码识读装置中的摄像头实时拍摄电视节目中的二维条码,并将拍摄的二维条码图像传送解码器; (4) the user through the camera in the two-dimensional bar code reading apparatus capturing real-time two-dimensional bar television program, and the transmitted image photographed QR code decoder;

(5) 所述解码器对二维条码图像进行识读,将二维条码图像转换为数据信息; (5) the decoder for reading a two-dimensional barcode image, the two-dimensional bar code data is converted into image information;

(6) 所述二维条码识读装置根据所得到的数据信息为用户提供相应的后续服务。 (6) The two-dimensional bar code reading means to provide users with services based on a corresponding subsequent data obtained.

其中,所述步骤(4)中,所述二维条码识读装置中的摄像头连续拍摄多张二维条码图像,并实时向解码器进行传输。 Wherein said step (4), the camera apparatus in the two-dimensional bar code reading two-dimensional bar code continuous shooting multiple images and real-time transmission to the decoder.

所述步骤(5)中,所述解码器实时对接收的二维条码图像进行解码, 一旦有一幅图能够成功解码就让所述摄像头停止拍摄。 Said step (5), the real-time two-dimensional bar code decoder decodes the received image, if there is one to successfully decode FIG let the camera stops recording.

本发明通过调节二维条码在CRT电视屏幕上显示的对比度,巧妙地解决了二维条码在电视上显示时难以识读和解码的问题,使二维条码在现有隔行扫描的CRT电视上应用成为可能,从而扩大二维条码技术的应用范围,使人们可以通过二维条码技术提供更丰富的服务。 By adjusting the contrast dimensional bar code displayed on the CRT screen of the television according to the present invention, it is difficult to neatly solves the problem when the reading and decoding a two-dimensional bar code displayed on the television, so that two-dimensional bar used in conventional CRT TV interlaced possible, thereby expanding the scope of application of two-dimensional bar code technology, so that people can provide more services through a two-dimensional bar code technology. 附图说明 BRIEF DESCRIPTION

下面结合附图和具体实施方式对本发明作进一步的说明。 Hereinafter, the present invention will be further described in conjunction with the accompanying drawings and specific embodiments. 图1为用于识读二维条码的装置示意图; 1 is a schematic two-dimensional bar code reading means for;

图2为本发明所提供的面向电视的二维条码应用系统的结构示意 A schematic structure of a television system, a two-dimensional bar code applications for the present invention, FIG 2 is provided

图; Figure;

图3为图2所示的二维条码应用系统的信号流程示意图。 FIG 3 is a schematic flow chart of a two-dimensional bar code signal application system shown in FIG. 具体实施方式 Detailed ways

现有的二维条码编码方案有很多种,如PDF417码、DM码、QR码等等。 Conventional two-dimensional bar coding schemes are many, such as PDF417 code, the DM code, the QR code and the like. 这些二维条码技术的编码的规则和特点虽然不尽相同,但其本质上都是按一定规律分布的、深色模块和浅色模块相间的图形。 These two-dimensional bar coding rules and technical features, although not the same, but its essence is distributed according to certain rules, graphics, dark and light modules and white modules. 二维条码可以由如图1所示的二维条码识读装置加以识读。 Dimensional bar code reading can be a two-dimensional bar code reading apparatus 1 shown in FIG. 该识读装置包括摄像头和解码器,由摄像头拍摄二维条码的条码图形,利用条码图形中深浅颜色上的明显对比,通过解码器对条码图形进行二值化区分,并将这种区分后的结果对应成计算机内部的"0"、 "1"数据,从而将二维条码中深浅相间的图形转换为存储有数据信息的代码。 The reading apparatus includes a camera and a decoder, barcode images captured by the camera is a two-dimensional bar code, in sharp contrast to the use of barcode images in shades of color, to distinguish the binarized barcode pattern by the decoder, and after this distinction the results correspond to the internal computer "0", "1" data, thereby converting the two-dimensional bar code as shades of white pattern information stored code data.

在识读装置对二维条码实施解码识别的过程中,二维条码的深浅颜色对比度对解码器正确进行二值化区分起了至关重要的作用。 In the process of reading a two-dimensional bar code a decoding device identified in two-dimensional bar shades of color contrast on the decoder to distinguish the correct binarized played a crucial role. 所谓对比 The so-called contrast

度是一种衡量图形中深浅颜色区分度的参数,通常用cs表示。 Parameter is a measure of the depth of color discrimination pattern is usually expressed cs. 在条形 The Bars

码中,对比度CS= (R1 —Rd) /R1X100%,式中R1表示条码图形中空的反射率,Rd表示条码图形中条的反射率。 Code, the contrast CS = (R1 -Rd) / R1X100%, wherein R1 represents the reflectivity of the barcode pattern hollow, Rd represents the reflectance of the bar code pattern in the strip. 在二维条码的附着介质为纸张、金属表面等物质时,条码的对比度CS越大,解码器的二值化区分度就越高,解码器的识别效果也越好。 When the two-dimensional bar attachment medium is paper, metal surface material, the greater the CS barcode contrast, the higher the binarization discrimination decoder, a decoder to identify the better the effect. 但是,本发明人在实践中发现, 上述的认识规律并不适合于在CRT电视屏幕上显示二维条码的情况,特别是对传统的隔行扫描电视。 However, the present inventors have found that in practice, the above-described understanding of the law is not adapted to display two-dimensional bar code in the case of the CRT TV screens, especially traditional interlaced TV.

隔行扫描电视的扫描原理是将一帧图像分成两场来扫描,第一场扫奇数行称为奇数场,第二场扫偶数行称为偶数场,奇数场和偶数场图像镶嵌在一起形成一幅完整的图像。 Interlaced television scanning principle is a scan image into two fields, odd-numbered scan line is called the first field odd field, the even-numbered scan line is called a second field the even field, odd field and even field images together to form a mosaic full image frames. 采用这样的隔行扫描方式来显示二维条码时,由于人眼有视觉暂留的能力,因此不太影响人的正常观看。 When using this interlaced mode to display two-dimensional bar code, because the human eye has the ability to persistence of vision, and therefore do not affect people's normal viewing. 但是摄像头没有视觉暂留的能力,而且实际拍摄的时间往往只有百分之一秒左右,因此直接识读电视屏幕上显示的二维码图像,很容易出现图像扫描线的抖动和图像闪烁等现象。 But the camera can not afford to persistence of vision, but the actual time taken is often only about hundredths of a second, so the two-dimensional code image displayed on the TV screen readers directly, it is prone to image scanning lines of image flicker and jitter and other phenomena . 此时,如果将二维条码的对比度提高, 不仅不会改善解码器的识别效果,反而会加剧图像的抖动和闪烁现象。 At this point, if the two-dimensional bar code contrast is improved, not only will not improve recognition performance decoder, it will exacerbate the jitter and flicker from the image.

针对上述的问题,本发明人通过反复试验发现:在使用隔行扫描电视显示二维条码时,降低二维条码的显示对比度反而能取得更好的识别效果。 For the above-mentioned problems, the present inventors have found by trial and error: When using QR code interlaced television display, reducing the display contrast two-dimensional bar but can achieve better recognition results. 作为上述发现的一个最简单的实施方式是将原来二维条码中作为底色的白色改为灰色,这样使用普通摄像头拍摄二维条码时,解码器的识读效果反而更好。 As a most simple embodiment of the above-described embodiment it is found in the original two-dimensional bar code gray to white as a background, so that when using an ordinary camera to take a two-dimensional bar code reader the effect contrary to the decoder better. 进一步的研究发现,在隔行扫描的电视上显示二维 Further research found that two-dimensional display on interlaced TV

条码,最佳的对比度是在35%到65%之间。 Barcode, the best contrast is between 35% to 65%. 在这个范围内,摄像头拍摄得到的二维条码图像不会出现明显的闪烁现象,最适合解码器进行解码识别。 In this context, the two-dimensional bar code image captured by the camera will not be noticeable flicker, the most suitable decoder for decoding identified.

基于上述对CRT电视显示二维条码的试验结论,本发明提供了一种二维条码应用系统。 Conclusion Based on the test display to the two-dimensional bar CRT television, the present invention provides a two-dimensional bar code applications.

该二维条码应用系统如图2所示,包括:电视制作单元、电视和二维条码识读装置。 The two-dimensional bar code application system shown in Figure 2, comprising: a television production unit, TV and two-dimensional bar code reading device. 其中,电视制作单元负责制作并向电视发送电视节目信号。 Among them, the TV production unit in charge of television production and transmission of television program signals. 该制作单元中设有二维条码编码装置,用于根据所使用的二维条码编码规则,将要编码的数据信息编辑生成二维条码图像。 The production unit is provided with a two-dimensional bar code encoding means for encoding rules based on a two-dimensional bar code is used, the data information to be encoded to generate two-dimensional barcode image editing. 该二维条码编码装置可以由专门的二维条码编码软件来实现。 The two-dimensional bar code encoding means may be implemented by a dedicated two-dimensional bar coding software. 电视制作单元将该二维条码图像和准备播放的电视节目信号组合在一起,生成对外传送的电视信号。 The two-dimensional bar television production unit of image signals, and ready to play a television program together, generating a television signal transmitted outside. 在这一过程中,电视制作单元调整二维条码图像的显示对比度, 使该对比度在35%到65%的范围之内。 In this process, the contrast of television production unit to adjust the display of two-dimensional barcode image so that the contrast in the range of 35% to 65% of. 电视接收并显示由电视制作单元编辑好的电视节目。 And displayed by the television receiver TV production unit edited television programs. 二维条码识读装置可以是安装有摄像头的移动电话,也可以是连接有摄像头的计算机等。 A two-dimensional bar code reading device may be mounted with a mobile phone camera, a computer may be connected to a camera or the like. 该二维条码识读装置通过摄 The two-dimensional bar code reading apparatus by camera

像头拍摄电视显示的二维条码,并将其传送给内置的解码器进行识读。 Like the first two-dimensional bar shooting television display, and transmitted to the decoder built-in reading. 该解码器可以是安装于移动电话或者计算机中的客户端软件。 The decoder may be mounted in a mobile phone or a computer in the client software. 它根据摄 It is based on photo

像头所拍摄的二维条码图像,对二维条码进行解码,并根据解码得到的数据信息为用户提供相应的后续服务,如启动浏览器浏览网页,发短消息到信息台等等。 Like the first two-dimensional barcode image captured on the two-dimensional bar code decoding, and provides the user the appropriate follow-up service based on the data obtained by decoding the information, such as a web browser to start, the short message information table and the like. 由于二维条码的信息容量很大,可以独立存储照片、 指纹、掌纹、签字、声音、文字等可数字化的信息。 Due to the large information capacity dimensional bar code, can be stored separately photographs, fingerprints, palm prints, signature, voice, text and other information can be digitized. 因此,二维条码识读装置无需连接任何数据库,可以直接通过二维条码本身所存储的信息为用户提供相应的后续服务。 Thus, the two-dimensional bar code reading device is connected without any database, the user may directly provide appropriate follow-up service through the information stored in the two-dimensional bar code itself.

图3所示为利用上述二维条码应用系统识读电视屏幕上的二维条码 Figure is a two-dimensional bar code applications using the two-dimensional bar on the TV screen reader 3

的方法,其具体步骤如下: The method steps are as follows:

(1) 电视制作单元制作带有二维条码图像的电视节目•, (1) television production unit with a production of television programs • two-dimensional bar code image,

(2) 电视制作单元检测并调整电视节目中二维条码图像的对比度, (2) TV production unit detects and adjusts the contrast of a television program in the two-dimensional barcode image,

使其在35%到65%的范围之内; Be in a range of 35% to 65% of;

(3) 电视制作单元将电视节目信号发送至电视,由电视播放该带有二维条码的电视节目; (3) Production unit television program TV signal to the television, the television having a two-dimensional bar television programs;

(4) 用户通过二维条码识读装置中的摄像头实时拍摄电视节目中的二维条码,并将拍摄的二维条码图像传送解码器; (4) the user through the camera in the two-dimensional bar code reading apparatus capturing real-time two-dimensional bar television program, and the transmitted image photographed QR code decoder;

(5) 所述解码器对二维条码图像进行识读,将二维条码图像转换为数据信息; (5) the decoder for reading a two-dimensional barcode image, the two-dimensional bar code data is converted into image information;

(6) 所述二维条码识读装置根据所得到的数据信息为用户提供相应的后续服务。 (6) The two-dimensional bar code reading means to provide users with services based on a corresponding subsequent data obtained.

另外,为了提高二维条码识读装置识读电视屏幕上二维条码的效率, 可以让摄像头实时向解码器传输图片信息,解码器实时对该图片信息进行解码, 一旦有一幅图能够成功解码就让摄像头停止拍摄。 In order to improve the efficiency of a two-dimensional bar code reading device reading two-dimensional bar TV screen, allowing the camera in real-time real-time transmission to the decoder to decode the picture information, the picture decoder information, if there is a map to successfully decode it let the camera stops shooting. 由于摄像头可以在很短的时间(几十分之一秒至几分之一秒的数量级)内连续拍摄多张二维条码图像,因此这种类似"抓拍"的方式能够快速抓取合格的二维条码图像,从而提高整个系统的工作效率。 Since the camera can shoot continuously at more than two-dimensional bar code image within a very short time (one second to a fraction of a few tenths of a second order of magnitude), so this is similar to "snap" a way to quickly grab a qualified two-dimensional bar image, thereby enhancing the efficiency of the entire system.

上面对本发明所提供的面向电视的二维条码应用系统及其识读方法进行了详细的说明。 On the face facing the TV dimensional bar code reading system and method of application of the present invention is provided a detailed description. 对本领域的一般技术人员而言,在不背离本发明实质精神的前提下对它所做的任何显而易见的改动,都将构成对本发明专利权的侵犯,将承担相应的法律责任。 To those of ordinary skill in the art, without departing from the essential spirit of the invention in any obvious changes made to it, will constitute patent infringement of the present invention, it will bear the corresponding legal responsibility.

Claims (9)

1. 一种面向电视的二维条码应用系统,其特征在于: 所述应用系统包括电视制作单元、电视和二维条码识读装置; 所述电视制作单元中设有二维条码编码装置,所述编码装置根据特定信息生成二维条码图像,由所述电视制作单元将所述二维条码图像附加到电视节目信号中; 所述电视接收并播放所述电视节目信号; 所述二维条码识读装置拍摄所述电视中播出的二维条码图像,并对其进行识读,根据识读出的信息提供后续的信息服务。 A two-dimensional bar code applications for television, wherein: said application includes a television production unit, a television and two-dimensional bar code reading apparatus; television production unit is provided with the two-dimensional bar code encoding means, the said encoding means generates a two-dimensional barcode image in accordance with certain information, by the television production unit the two-dimensional bar code image to a television program signal; play the television receiver and the television program signal; the two-dimensional bar identifier two-dimensional barcode image capturing device of the television broadcast read, and subjected to reading, to provide follow-up information based on the information reading out of service.
2. 如权利要求1所述的面向电视的二维条码应用系统,其特征在于:所述二维条码图像中,深浅色块的对比度在35%到65%的范围内。 A television application system for the two-dimensional bar code as claimed in claim 1, wherein: the two-dimensional barcode image, the contrast of color shades in the range of 35% to 65%.
3. 如权利要求1或2所述的面向电视的二维条码应用系统,其特征在于:所述二维条码图像中,底色为灰色。 Dimensional bar code application oriented television system according to claim 12, wherein: the two-dimensional barcode image, the background is gray.
4. 如权利要求1所述的面向电视的二维条码应用系统,其特征在于:所述电视为隔行扫描的CRT电视。 A television application system for the two-dimensional bar code as claimed in claim 1, wherein: the television is interlaced CRT TV.
5. 如权利要求1所述的面向电视的二维条码应用系统,其特征在于:所述二维条码识读装置包括摄像头和解码器,所述摄像头向所述解码器传送图像数据。 A television application system for the two-dimensional bar code as claimed in claim 1, wherein: said two-dimensional bar code reading device includes a camera and a decoder, said camera to transmit image data to the decoder.
6. 如权利要求5所述的面向电视的二维条码应用系统,其特征在于:所述二维条码识读装置为安装有摄像头的移动电话。 QR code for TV applications as claimed in claim 5, wherein: said two-dimensional bar code reading apparatus mounted in a mobile phone with a camera.
7. —种实现面向电视的二维条码应用服务的方法,基于如权利要求1所述的二维条码应用系统实现,所述二维条码应用系统包括电视制作单元、电视和二维条码识读装置,其特征在于:(1) 电视制作单元制作带有二维条码图像的电视节目;(2) 电视制作单元检测并调整电视节目中二维条码图像的对比度,使其在35%到65°/。 7. - dimensional bar code applications and services types of television-oriented method, based on the two-dimensional bar code application system as claimed in claim 1 implemented, the two-dimensional bar code applications include television production unit, and two-dimensional bar code reading TV apparatus characterized in that: (1) production of television production unit with a two-dimensional barcode image is a television program; (2) and adjusting the TV production unit detects the contrast of a television program in the two-dimensional barcode image, so that 35% to 65 ° /. 的范围之内;(3) 电视制作单元将电视节目信号发送至电视,由电视播放该带有二维条码的电视节目;(4) 用户通过二维条码识读装置中的摄像头实时拍摄电视节目中的二维条码,并将拍摄的二维条码图像传送解码器;(5) 所述解码器对二维条码图像进行识读,将二维条码图像转换为数据信息;(6) 所述二维条码识读装置根据所得到的数据信息为用户提供相应的后续服务。 Within the range; (3) TV production unit transmits television signals to the television, the television having a two-dimensional bar television program; (4) the user through the camera in the two-dimensional bar code reading apparatus of a television program in real-time imaging a two-dimensional bar code, and transmits the image photographed QR code decoder; (5) the decoder for reading a two-dimensional barcode image, the two-dimensional bar code data is converted into image information; and (6) the two dimensional bar code reading means to provide users with services based on a corresponding subsequent data obtained.
8. 如权利要求7所述的面向电视的二维条码应用系统的实现方法,其特征在于-所述步骤(4)中,所述二维条码识读装置中的摄像头连续拍摄多张二维条码图像,并实时向解码器进行传输。 TV-oriented implementation dimensional bar code application system as claimed in claim 7, characterized in that - said step (4), the camera in the two-dimensional bar code reading apparatus continuous shooting multiple two-dimensional barcode image and real-time transmission to the decoder.
9. 如权利要求8所述的面向电视的二维条码应用系统的实现方法,其特征在于-所述步骤(5)中,所述解码器实时对接收的二维条码图像进行解码, 一旦有一幅图能够成功解码就让所述摄像头停止拍摄。 TV-oriented implementation dimensional bar code application system as claimed in claim 8, characterized in that - said step (5), the real-time two-dimensional bar code decoder decodes the received image, if there is a figures to successfully decode let the camera stops recording.
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