Author: "叶锋" / Database: OpenAIRE - Searchworks@Jio Institute Digital Library Search Results

Your search keyword '"叶锋"' showing total 3 results

Start Over Author "叶锋" Database OpenAIRE

Author: 陈家祯 Chen Jiazhen, 郑子华 Zheng Zihua, 叶锋 Ye Feng, 连桂仁 Lian Guiren, and 许力 Xu Li
Subjects: Electrical and Electronic Engineering, Atomic and Molecular Physics, and Optics
Published: 2015
Full Text: View/download PDF

Author: 连桂仁 Lian Guiren, 叶锋 Ye Feng, 郑子华 Zheng Zihua, and 陈家祯 Chen Jiazhen
Subjects: business.industry, Computer science, Information hiding, Quantization (signal processing), Computer vision, Artificial intelligence, Electrical and Electronic Engineering, business, Atomic and Molecular Physics, and Optics, Digital holography
Published: 2010
Full Text: View/download PDF

Author: 连桂仁 Lian Guiren, 郑子华 Zheng Zihua, 叶锋 Ye Feng, 陈家祯 Chen Jiazhen, and 陈利永 Chen Liyong
Subjects: Scheme (programming language), Computer science, business.industry, Holography, Watermark, Atomic and Molecular Physics, and Optics, law.invention, law, Encoding (memory), Computer vision, Artificial intelligence, Electrical and Electronic Engineering, business, computer, computer.programming_language
Abstract: 利用四阶迂回相位计算全息原理实现原始图像计算全息图的制作,并将其作为水印信号嵌入到载体图像。在水印嵌入过程中选择载体图像离散余弦变换(DCT)域中频系数作为嵌入点,以提高抗JPEG压缩能力,而对全息水印数据的Arnold置乱处理可明显提高水印信息的抗剪切能力。仿真实验结果表明,基于迂回相位编码方法的计算全息水印技术在透明性和稳健性方面具有一定优势,特别在抗剪切方面具有优良性能。计算全息术及置乱的引入使所嵌入的水印具有较高的安全性。
Published: 2010
Full Text: View/download PDF

Books, media, physical & digital resources

Searchworks