论文标题
彩色图像密封摄影使用基于Resnet体系结构的深卷积自动编码器
Color Image steganography using Deep convolutional Autoencoders based on ResNet architecture
论文作者
论文摘要
在本文中,提出了卷积自动编码器和重新连接体系结构的深度学习颜色图像隐志方案。传统的隐志方法遭受了一些关键缺陷,例如低容量,安全性和稳健性。近几十年来,自动编码器卷积神经网络实现了图像隐藏和图像提取,以解决上述挑战。本文的贡献是引入了一种新方案,该方案灵感来自Resnet Architecture的启发。反向重新连接体系结构用于从Stego图像中提取秘密图像。在提出的方法中,所有图像均通过preadossess模型,该模型是一个卷积深神经网络,其目的是提取特征。然后,操作模型生成seto和提取的图像。实际上,操作模型是基于重新连接结构的自动编码器,该结构从特征地图中产生图像。提出的结构的优点是模型在嵌入和提取阶段中的身份。使用可可和Celeba数据集研究了提出方法的性能。为了与以前的相关作品进行定量比较,评估了峰值信噪比(PSNR),结构相似性指数(SSIM)和隐藏容量。实验结果验证了所提出的方案的性能比传统和透明的深层隐志方法更好。 PSNR和SSIM分别超过40 dB和0.98,这意味着所提出的方法的不可识别。另外,此方法可以在另一个颜色图像中隐藏相同大小的颜色图像,这可以推断出所提出的方法的相对容量为每个像素8位。
In this paper, a deep learning color image steganography scheme combining convolutional autoencoders and ResNet architecture is proposed. Traditional steganography methods suffer from some critical defects such as low capacity, security, and robustness. In recent decades, image hiding and image extraction were realized by autoencoder convolutional neural networks to solve the aforementioned challenges. The contribution of this paper is introducing a new scheme for color image steganography inspired by ResNet architecture. The reverse ResNet architecture is utilized to extract the secret image from the stego image. In the proposed method, all images are passed through the prepossess model which is a convolutional deep neural network with the aim of feature extraction. Then, the operational model generates stego and extracted images. In fact, the operational model is an autoencoder based on ResNet structure that produces an image from feature maps. The advantage of proposed structure is identity of models in embedding and extraction phases. The performance of the proposed method is studied using COCO and CelebA datasets. For quantitative comparisons with previous related works, peak signal-to-noise ratio (PSNR), the structural similarity index (SSIM) and hiding capacity are evaluated. The experimental results verify that the proposed scheme performs better than traditional and pervious deep steganography methods. The PSNR and SSIM are more than 40 dB and 0.98, respectively that implies high imperceptibility of the proposed method. Also, this method can hide a color image of the same size in another color image, which can be inferred that the relative capacity of the proposed method is 8 bits per pixel.