CN106875327A - A kind of digital watermark embedding device - Google Patents
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Abstract
本发明公开了一种数字水印嵌入装置，包括本体、控制组件；所述本体包括触摸式显示屏、摄像头；所述控制组件包括接口单元、MPU单元、图像采集单元、人脸图像处理单元、信息输入单元、身份证信息处理单元、水印生成单元、数字水印嵌入单元、USB输入端口、USB输出端口；所述人脸图像处理单元生成人脸图像特征码，所述身份证信息处理单元生成身份证信息特征码，水印生成单元采用水印生成算法结合人脸图像特征码、身份证信息特征生成数字水印。本发明能够采用身份证信息、人脸图像信息生成数字水印，并且将数字水印嵌入至原始图像当中，通过采用身份证信息、人脸图像信息确保了数字水印加密的唯一性。
The invention discloses a digital watermark embedding device, which includes a body and a control assembly; the body includes a touch screen and a camera; the control assembly includes an interface unit, an MPU unit, an image acquisition unit, a face image processing unit, and an information Input unit, ID card information processing unit, watermark generating unit, digital watermark embedding unit, USB input port, USB output port; described face image processing unit generates face image characteristic code, and described ID card information processing unit generates ID card The information feature code and the watermark generation unit generate a digital watermark by using a watermark generation algorithm combined with a face image feature code and an ID card information feature. The invention can generate a digital watermark by using ID card information and face image information, and embed the digital watermark into the original image, and ensure the uniqueness of digital watermark encryption by using the ID card information and face image information.
Description
技术领域technical field
本发明属于数字水印技术领域，具体涉及一种数字水印嵌入装置。背The invention belongs to the technical field of digital watermarks, and in particular relates to a digital watermark embedding device. back
景技术scene technology
数字水印技术是将一些标识信息(即数字水印)直接嵌入数字载体当中(包括多媒体、文档、软件等)或是间接表示(修改特定区域的结构)，且不影响原载体的使用价值，也不容易被探知和再次修改。Digital watermarking technology is to embed some identification information (that is, digital watermark) directly into digital carriers (including multimedia, documents, software, etc.) Easy to detect and modify again.
随着计算机技术、网络技术的发展，原创作品，特别是多媒体作品传播速度快、随意性大，这对作者著作权保护存在较大的困难，现有技术是在数字图像形成后将数字水印信息嵌入至原始图像当中，最后通过检测设备对图像进行数字水印的提取而验明真伪。With the development of computer technology and network technology, original works, especially multimedia works, are disseminated quickly and randomly, which poses great difficulties to the author's copyright protection. The existing technology is to embed digital watermark information after the digital image is formed. Into the original image, and finally through the detection equipment to extract the digital watermark of the image to verify the authenticity.
专利文献授权公开号：CN 100547608C公开了一种数字图像水印的方法及相应装置和可添加水印的数码相机，其提供了一种带添加水印装置的数码相机，所述带添加水印装置的数码相机通过私钥加密计算出图像特征值，再通过脆弱水印技术将加密后的特征值嵌入到数字信号隐藏水印的位中，然后将定位窜改区域的位全部置0(或置1)，再重新成像出无损格式的数码相片。该带有数字水印嵌入装置的数码相机存在的主要问题是：私钥加密容易被破解，加密的水印被破解后，数字水印容易被擦除，达不到保护的目的。Patent document authorization publication number: CN 100547608C discloses a method for digital image watermarking, a corresponding device, and a digital camera capable of adding watermarks. It provides a digital camera with a watermarking device, and the digital camera with a watermarking device The image feature value is calculated by private key encryption, and then the encrypted feature value is embedded into the bit of the hidden watermark of the digital signal through the fragile watermark technology, and then all the bits for locating the tampered area are set to 0 (or set to 1), and then re-imaging Digital photos in lossless format. The main problem of the digital camera with the digital watermark embedding device is that the encryption of the private key is easy to be cracked, and after the encrypted watermark is cracked, the digital watermark is easy to be erased, which fails to achieve the purpose of protection.
发明内容Contents of the invention
针对以上问题，本发明提供一种数字水印嵌入装置，能够采用身份证信In view of the above problems, the present invention provides a digital watermark embedding device, which can use ID card
息、人脸图像信息生成数字水印，并且将数字水印嵌入至原始图像当中，通过采用身份证信息、人脸图像信息确保了数字水印加密私钥的唯一性，对原始图像版权的保护效果好。Information, face image information to generate a digital watermark, and embed the digital watermark into the original image. By using ID card information and face image information, the uniqueness of the digital watermark encryption private key is ensured, and the copyright protection effect of the original image is good.
本发明的技术方案如下：Technical scheme of the present invention is as follows:
一种数字水印嵌入装置，包括本体、控制组件；所述本体包括触摸式显示屏、摄像头；所述控制组件包括接口单元、MPU单元、图像采集单元、人脸图像处理单元、信息输入单元、身份证信息处理单元、水印生成单元、数字水印嵌入单元，USB输入端口，USB输出端口。A digital watermark embedding device, comprising a body and a control assembly; the body includes a touch screen and a camera; the control assembly includes an interface unit, an MPU unit, an image acquisition unit, a face image processing unit, an information input unit, an identity A certificate information processing unit, a watermark generating unit, a digital watermark embedding unit, a USB input port, and a USB output port.
所述接口单元一端与USB输入端口连接，所述接口单元另外一端与MPU单元连接，所述接口单元通过USB输入端口将原始图像传输至MPU单元。One end of the interface unit is connected to the USB input port, the other end of the interface unit is connected to the MPU unit, and the interface unit transmits the original image to the MPU unit through the USB input port.
所述MPU单元为数字水印嵌入装置的核心单元，所述MPU单元负责整个装置中所有指令的处理与发送。The MPU unit is the core unit of the digital watermark embedding device, and the MPU unit is responsible for processing and sending all instructions in the entire device.
所述图像采集单元一端与MPU单元连接，所述图像采集单元另一端与人脸图像处理单元连接，图像采集单元将采集到的人脸图像信息传输至人脸图像处理单元中，人脸图像处理单元基于快速响应矩阵码的脆弱水印算法生成人脸图像特征码，人脸图像处理单元将生成的人脸图像特征码传输至水印生成单元。One end of the image acquisition unit is connected to the MPU unit, the other end of the image acquisition unit is connected to the face image processing unit, and the image acquisition unit transmits the collected face image information to the face image processing unit, and the face image processing The unit generates a face image feature code based on the fragile watermark algorithm of the fast response matrix code, and the face image processing unit transmits the generated face image feature code to the watermark generation unit.
所述信息输入单元与触摸式显示屏连接，所述信息输入单元与MPU单元连接，所述信息输入单元与身份证信息处理单元连接，所述触摸式显示屏、信息输入单元实现用户身份证信息的输入，所述信息输入单元将输入的身份证信息传输至身份证信息处理单元，所述身份证信息处理单元基于快速响应矩阵码的脆弱水印算法生成身份证信息特征码，所述身份证信息处理单元将生成的身份证信息特征码传输至水印生成单元。The information input unit is connected to the touch screen, the information input unit is connected to the MPU unit, the information input unit is connected to the ID card information processing unit, and the touch screen and the information input unit realize the ID card information of the user. input, the information input unit transmits the input ID card information to the ID card information processing unit, and the ID card information processing unit generates the ID card information feature code based on the fragile watermark algorithm of the rapid response matrix code, and the ID card information The processing unit transmits the generated ID card information feature code to the watermark generating unit.
所述水印生成单元与数字水印嵌入单元连接，所述水印生成单元将人脸图像特征码、身份证信息特征码采用水印生成算法生成数字水印，所述数字水印传输至数字水印嵌入单元。The watermark generation unit is connected with the digital watermark embedding unit, and the watermark generation unit uses the watermark generation algorithm to generate a digital watermark using the face image feature code and ID card information feature code, and the digital watermark is transmitted to the digital watermark embedding unit.
所述MPU单元将原始图像处理后传输至数字水印嵌入单元，数字水印嵌入单元通过数字水印嵌入算法将所述数字水印嵌入至原始图像中。The MPU unit processes the original image and transmits it to the digital watermark embedding unit, and the digital watermark embedding unit embeds the digital watermark into the original image through a digital watermark embedding algorithm.
所述摄像头与图像采集单元连接。The camera is connected with the image acquisition unit.
所述USB输入端口与PC机或其他带有USB接口的设备连接，所述USB输入端口为装置提供运行时所需电源。The USB input port is connected to a PC or other devices with a USB interface, and the USB input port provides the device with the required power during operation.
附图说明Description of drawings
图1为本发明的整体结构示意图；Fig. 1 is the overall structure schematic diagram of the present invention;
图2为本发明的整体结构剖面示意图；Fig. 2 is a schematic cross-sectional view of the overall structure of the present invention;
图3为本发明的各个单元组成原理框图。Fig. 3 is a functional block diagram of each unit of the present invention.
具体实施方式detailed description
以下结合附图和具体实施方式，对本发明作详细描述。The present invention will be described in detail below in conjunction with the accompanying drawings and specific embodiments.
如图1、图2所示，一种数字水印嵌入装置，包括本体1、控制组件2；本体1包括触摸式显示屏101、摄像头102；控制组件2包括接口单元、MPU单元、图像采集单元、人脸图像处理单元、信息输入单元、身份证信息处理单元、水印生成单元、数字水印嵌入单元、USB输入端口201、USB输出端口202。As shown in Figures 1 and 2, a digital watermark embedding device includes a body 1 and a control component 2; the body 1 includes a touch screen 101 and a camera 102; the control component 2 includes an interface unit, an MPU unit, an image acquisition unit, Face image processing unit, information input unit, ID card information processing unit, watermark generation unit, digital watermark embedding unit, USB input port 201, USB output port 202.
如图3所示，接口单元一端与USB输入端口201连接，接口单元另外一端与MPU单元连接，MPU单元为数字水印嵌入装置的核心单元，图像采集单元一端与MPU单元连接，图像采集单元另一端与人脸图像处理单元连接，人脸图像处理单元基于快速响应矩阵码的脆弱水印算法生成人脸图像特征码，人脸图像处理单元将生成的人脸图像特征码传输至水印生成单元。信息输入单元与触摸式显示屏101连接，信息输入单元与MPU单元连接，信息输入单元与身份证信息处理单元连接，触摸式显示屏101、信息输入单元实现用户身份证信息的输入，信息输入单元将输入的身份证信息传输至身份证信息处理单元，身份证信息处理单元基于快速响应矩阵码的脆弱水印算法生成身份证信息特征码，身份证信息处理单元将生成的身份证信息特征码传输至水印生成单元。As shown in Figure 3, one end of the interface unit is connected to the USB input port 201, the other end of the interface unit is connected to the MPU unit, the MPU unit is the core unit of the digital watermark embedding device, one end of the image acquisition unit is connected to the MPU unit, and the other end of the image acquisition unit Connected with the face image processing unit, the face image processing unit generates a face image feature code based on the fragile watermark algorithm of the rapid response matrix code, and the face image processing unit transmits the generated face image feature code to the watermark generation unit. The information input unit is connected with the touch screen 101, the information input unit is connected with the MPU unit, the information input unit is connected with the ID card information processing unit, the touch screen 101 and the information input unit realize the input of user ID card information, and the information input unit The input ID card information is transmitted to the ID card information processing unit, and the ID card information processing unit generates the ID card information feature code based on the fragile watermark algorithm of the quick response matrix code, and the ID card information processing unit transmits the generated ID card information feature code to Watermark generation unit.
水印生成单元与数字水印嵌入单元连接，水印生成单元将人脸图像特征码、身份证信息特征码采用水印生成算法生成数字水印，所述数字水印传输至数字水印嵌入单元。摄像头102与图像采集单元连接。The watermark generation unit is connected with the digital watermark embedding unit, and the watermark generation unit uses the watermark generation algorithm to generate a digital watermark using the face image feature code and ID card information feature code, and the digital watermark is transmitted to the digital watermark embedding unit. The camera 102 is connected with the image acquisition unit.
USB输入端口201与PC机连接，USB输入端口201为装置提供运行时所需电源。The USB input port 201 is connected to the PC, and the USB input port 201 provides the power required for the device to run.
一种数字水印嵌入装置的使用步骤：Steps for using a digital watermark embedding device:
原始图像导入步骤：所述USB输入端口201与PC机连接，数字水印嵌入装置启动，将PC机中的原始图像通过USB输入端口201导入到接口单元，接口单元将原始图像再传输至MPU单元，MPU单元再将原始图像传输至数字水印嵌入单元存储，等待数字水印的生成。The original image importing step: the USB input port 201 is connected to the PC, the digital watermark embedding device is started, and the original image in the PC is imported into the interface unit through the USB input port 201, and the interface unit transmits the original image to the MPU unit again, The MPU unit then transmits the original image to the digital watermark embedding unit for storage, waiting for the generation of the digital watermark.
人脸图像特征码生成步骤：所述USB输入端口201与PC机连接后，数字水印嵌入装置启动，图像采集单元启动摄像头102采集人体面部图像，图像采集单元将采集到的人体面部图像传输至人脸图像处理单元，人脸图像处理单元将人脸图像基于快速响应矩阵码的脆弱水印算法生成人脸图像特征码。Face image feature code generating step: after the USB input port 201 is connected to the PC, the digital watermark embedding device starts, the image acquisition unit starts the camera 102 to collect human facial images, and the image acquisition unit transmits the collected human facial images to the human body. The face image processing unit generates the face image feature code based on the fragile watermarking algorithm of the fast response matrix code.
身份证信息特征码生成步骤：所述USB输入端口201与PC机连接后，数字水印嵌入装置启动，信息输入采集单元接收触摸式显示屏101上输入的身份证信息，信息输入采集单元将接收到的身份证信息传输至身份证信息处理单元，身份证信息处理单元将身份证信息基于快速响应矩阵码的脆弱水印算法生成身份证信息特征码。ID card information feature code generating step: after the USB input port 201 is connected to the PC, the digital watermark embedding device starts, and the information input collection unit receives the ID card information input on the touch screen 101, and the information input collection unit will receive The ID card information is transmitted to the ID card information processing unit, and the ID card information processing unit generates the ID card information feature code based on the fragile watermark algorithm of the rapid response matrix code.
水印生成步骤：水印生成单元将人脸图像特征码、身份证信息特征码结合水印生成算法生成数字水印。Watermark generating step: the watermark generating unit generates a digital watermark by combining the face image feature code and ID card information feature code with a watermark generating algorithm.
数字水印嵌入步骤：数字水印嵌入单元将MPU单元传输来原始图像信息结合数字水印嵌入算法将数字水印嵌入至原始图像中。Digital watermark embedding step: the digital watermark embedding unit embeds the digital watermark into the original image by combining the original image information transmitted from the MPU unit with the digital watermark embedding algorithm.
数字水印图像输出步骤：数字水印嵌入单元最后生成的含人脸信息、身份信息数字水印图像通过数字水印嵌入单元以及USB输出端口202输出到外部设备存储。Digital watermark image output step: the digital watermark image containing face information and identity information finally generated by the digital watermark embedding unit is output to an external device for storage through the digital watermark embedding unit and the USB output port 202 .
以上是对本发明进行了示例性的描述，显然本发明的实现并不受上述方式的限制，只要采用了本发明技术方案进行的各种改进，或未经改进将本发明的构思和技术方案直接应用于其它场合的，均在本发明的保护范围内。The above is an exemplary description of the present invention. Obviously, the realization of the present invention is not limited by the above-mentioned method, as long as various improvements of the technical solution of the present invention are adopted, or the ideas and technical solutions of the present invention are directly implemented without improvement. Those applied to other occasions are all within the protection scope of the present invention.
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| CN112040034A (en) * | 2020-08-03 | 2020-12-04 | 广东以诺通讯有限公司 | An optimized display method for a hole-digging screen for a front camera of a mobile phone |
| CN117218684A (en) * | 2023-09-26 | 2023-12-12 | 广州像素数据技术股份有限公司 | Identity verification method, system and storage medium based on nested matrix codes |
| CN117218684B (en) * | 2023-09-26 | 2024-04-26 | 广州像素数据技术股份有限公司 | Identity verification method, system and storage medium based on nested matrix codes |
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