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由于第二代Bandelets变换是由量化步长来控制最佳Bandelet化过程,难以实现定码率图像压缩。为了解决这个问题,提
出了一种通过非线性逼近来控制最佳...
由于第二代Bandelets变换是由量化步长来控制最佳Bandelet化过程,难以实现定码率图像压缩。为了解决这个问题,提
出了一种通过非线性逼近来控制最佳Bandelet化过程的方法。同时采用了沿几何流的方向小渡变换方法,直接把JPEG2000的编
解码器应用到Bandelets变换系数上进行有效的图像压缩,而无需重新构造上下文模型。实验表明,提出的压缩方法具有很好的边
缘和纹理保护能力,特别对于直线纹理图像,压缩性能优于JPEG2000标准。-Abstract:Image compression based on the second generadon Bandelets transform,whose optimized bandeletization is controlled
by quantization step,cannot realize fixed bitrate image compression.To overconae this problem。the paper presents a non-linear
approximation method to control the optimized bandeletization.Then,the oriented wavelet transform along geometric flow is adopted.
The JPEG2000 codec is direcdy employed on bandelets coefficients to implement effective image compression without changing
context model.Experiments show that the proposed compression method exceeds JPEG2000 standard in compression performance
and abil畸of image edges and texture preservation.
- 2022-06-22 00:20:04下载
- 积分:1
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osek/vdx汽车电子嵌入式软件编程技术部分资料和原代码3
osek/vdx汽车电子嵌入式软件编程技术部分资料和原代码3-osek/vdx automotive electronics embedded software programming and information technology part of the original code 3
- 2022-07-25 12:14:13下载
- 积分:1
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translation on the basis of game development books on Windows programming based...
译本介绍游戏开发的基础书籍 Windows游戏编程基础-translation on the basis of game development books on Windows programming based games
- 2023-01-21 19:30:07下载
- 积分:1
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数据库手册指导说明
数据库手册指导说明-database manual guidance note
- 2022-03-19 06:15:55下载
- 积分:1
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java编程思想的电子书,很经典的一本书,值得读
java编程思想的电子书,很经典的一本书,值得读-thinking of java programming e-books, is a classic book, worth reading
- 2022-01-21 02:55:12下载
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制作ACTIVEX文档容器编程代码
制作ACTIVEX文档容器编程代码-production ACTIVEX containers programming code files
- 2022-02-09 16:07:26下载
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TMS320C6000 ccs 学习指南
TMS320C6000 ccs 学习指南-TMS320C6000 ccs study guide
- 2022-07-16 13:13:05下载
- 积分:1
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Visual FoxPro source code
visualfoxpro源代码
- 2023-04-09 17:45:38下载
- 积分:1
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Linux专家之路――系统管理 学习Linux的好书,是Linux的一套经典,这是系统管理...
Linux专家之路――系统管理 学习Linux的好书,是Linux的一套经典,这是系统管理-Linux experts in the road- learning Linux system administration book, is a classic set of Linux, which is system management
- 2022-01-28 02:59:56下载
- 积分:1
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获取系统中的文件夹列表,以树形的形式罗列出来
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- 2022-07-18 20:27:33下载
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