对比6种图像隐写工具，发现其性能受图像尺寸、像素值等特征影响。
A Technical Review on Comparison and Estimation of Steganographic Tools
- 基于图像尺寸、像素值和直方图差异，评估6种隐写工具表现
- 所有工具在相同测试下表现相近，部分工具效率更优
- 适合安全检测与隐写分析人员参考
隐写术是一种利用不同工具将数据隐藏于载体媒体中的技术。图像隐写术指将文本、图像、音频或视频等数据嵌入图像载体中。本文对图像隐写术进行分类，并基于多种图像格式对比了六种主流图像隐写工具。选取市场常用工具，使用相同输入进行测试，每种工具均嵌入特定文本。实验结果显示，六种工具整体表现接近，但部分工具在效率上更具优势，其性能受图像尺寸、分辨率、像素值及直方图差异等因素影响。
原文摘要 · Abstract (English)
Steganography is technique of hiding a data under cover media using different steganography tools. Image steganography is hiding of data (Text/Image/Audio/Video) under a cover as Image. This review paper presents classification of image steganography and the comparison of various Image steganography tools using different image formats. Analyzing numerous tools on the basis of Image features and extracting the best one. Some of the tools available in the market were selected based on the frequent use; these tools were tested using the same input on all of them. Specific text was embedded within all host images for each of the six Steganography tools selected. The results of the experiment reveal that all the six tools were relatively performing at the same level, though some software performs better than others through efficiency. And it was based on the image features like size, dimensions, and pixel value and histogram differentiation.
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