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首页> 外文会议>2019 IEEE 5th Conference on Knowledge Based Engineering and Innovation >A New Steganography Method for Embedding Message in JPEG Images
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A New Steganography Method for Embedding Message in JPEG Images

机译：在JPEG图像中嵌入消息的新隐写方法

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摘要

Steganography is widely applied by information security systems. The aim of steganography is to create a secret and secure channel between the sender and receiver. Steganography is basically performed in the different data types, such as image and video. Given the rapid growth of digital systems and imaging tools, the number of images and transmission of secret information is also growing. JPEG images are very popular because of their smaller size that makes them suitable for the transmission. The steganography procedure in an image can usually be performed in two domain, space domain and transform domain such as Fourier. In this preliminary study, a text steganography technique in JPEG images is presented. The text steganography is carried out on the bits with the least significant value in the discrete matrix, thus the embedded message insertion has less impact on the image quality. In the proposed method, two less significant bits of pixels are used to hide the embedded message in the image. In JPEG compression procedure before encoding, the steganography operation is applied on the image after its transformation from time into the frequency space and exactly(or right away) after the discretization of transformed data. The experimental results suggest that our approach has high capacity performance in comparison with the conventional methods.
机译：隐写术被信息安全系统广泛应用。隐秘术的目的是在发送方和接收方之间创建一个秘密且安全的通道。隐写术基本上是在不同的数据类型中执行的，例如图像和视频。随着数字系统和成像工具的迅速发展，图像的数量和秘密信息的传输也在增长。 JPEG图像因尺寸较小而非常适合使用，因此非常受欢迎。图像中的隐写程序通常可以在两个域中执行，即空间域和变换域，例如傅立叶。在这项初步研究中，提出了JPEG图像中的文本隐写技术。对离散矩阵中具有最低有效值的位执行文本隐写术，因此嵌入的消息插入对图像质量的影响较小。在提出的方法中，使用像素的两个较低有效位来隐藏图像中的嵌入消息。在编码之前的JPEG压缩过程中，隐写操作是在将图像从时间转换到频率空间之后以及在转换数据离散化之后（恰好）立即应用于图像。实验结果表明，与常规方法相比，我们的方法具有较高的容量性能。

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