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Integer Wavelet Transform for Thermal Image Authentication

机译:Integer小波变换用于热图像认证

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Thermal imaging is a technology with property of seeing objects in the darkness. Such property makes this technology very important tool for security and surveillance applications. In this paper, a thermal image authentication technique using hash function is proposed. In this technique, the thermal images are used as cover images and bits from secret data (i.e. messages or images) are then hidden in the cover images. This is achieved by using the hash function and Integer Wavelet Transform (IWT). 1, 2 and 3 bits per bytes have been hidden in both horizontal and vertical components of wavelet transform. The proposed technique has been evaluated based on mean square error (MSE), peak signal to noise ratio (PSNR), image fidelity (IF) and standard deviation (SD). The results have shown better performance of the proposed technique comparing with the most related work.
机译:热成像是一种技术,具有在黑暗中看到物体的特性。此类属性使这项技术非常重要的安全性和监控应用工具。本文提出了一种使用散列函数的热图像认证技术。在该技术中,热图像用作来自秘密数据的封面图像和比特(即消息或图像),然后在封面图像中隐藏。这是通过使用哈希函数和整数小波变换(IWT)来实现的。每个字节的1,2和3位被隐藏在小波变换的水平和垂直分量中。已经基于平均方误差(MSE),峰值信号到噪声比(PSNR),图像保真度(IF)和标准偏差(SD)来评估所提出的技术。结果表明,与最相关的工作相比,提出的技术表现出更好的性能。

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