After analyzing classic embedded coding algorithms such as EZW, SPIHT and EBCOT, it is shown that EBCOT is easier to accelerate with hardware and has better image compression performance.
分析了典型的嵌入式编码算法,如ezw、SPIHT和EBCOT,认为EBCOT相对易于实现硬件加速,且具有较好的压缩性能。
The paper describes a modified embedded zerotrees coding algorithm adapting to the ARM microprocessor′s structure, which improves the image compression based on the ARM microprocessors.
利用ARM微处理器实现图像的小波变换,并根据ARM本身的结构特点提出了一种改进的嵌入式零树编码算法,以便在ARM微处理器上实现图像压缩。
Among so many embedded image coding algorithms, the EZW, SPIHT and SPECK are the best representatives.
在众多的嵌入式图像编码算法中,最具有代表性的是EZW、SPIHT、SPECK三种编码算法。
Four traditional wideband speech coding standards and three new embedded wideband speech coding standards are introduced.
文章介绍了四种传统宽带语音编码标准和三种最新的嵌入式宽带语音编码标准。
The principles and performances of EZW and its improved algorithms are presented and explained, and the research tendency in the area of embedded image coding is pointed out.
文中对嵌入式零树小波编码算法及其改进算法的原理、方法和性能进行了介绍和比较,并指出了嵌入式图像编码的研究方向。
The embedded image compression algorithm is discussed. To speed the embedded image compression algorithm with wavelet, a depth variable embedded coding scheme is proposed.
为了提高小波嵌入压缩算法的速度,提出了一种可变深度嵌入小波压缩算法。
The driving circuit and a method of Chinese character coding in an embedded LED array display system are discussed in this paper.
论述了一种小型嵌入式LED点阵显示系统的驱动电路和汉字编码方法;
An image coding method is introduced in the field of image engineering which is a new and efficient image coding technique i. e. Embedded zero-tree wavelet EZW image coding.
介绍了图像工程领域里新颖有效的嵌入式零树小波ezw图像编码方法。
An adaptive rate control algorithm based on significant priority is presented for embedded block coding with optimized truncation.
针对优化截取内嵌块编码提出一种基于重要性权值的自适应率控制算法。
Besides the high coding efficiency, the improved block-based adaptive threshold wavelet embedded coding algorithm preserves the properties of the SPECK and has high coding efficiency.
改进的分块自适应阈值算法不仅保留了原算法的优点,而且具有较高的编码效率。
In the second chapter and third chapter, the knowledge of the streaming media technology and the embedded system technology was given, which is the fundamental for system coding implementation.
本文的第二章、第三章对流媒体技术和嵌入式系统的相关知识进行了分析研究,为后续系统的代码实现打下理论基础。
A new stream packet method with stream description is brought forward in this dissertation by linking with the Bit Length Quad-tree Not List Embedded Zero Block Coding and Context Modeling algorithm.
本文结合基于位长四叉树和上下文模型的嵌入零块编码算法提出了一种带描述的流打包方法。
Compared with the JPEG standard, JPEG2000 standard adopts some different compress technique, such as the Discrete Wavelet Transform, Embedded Coding and so on.
与传统的JPEG标准相比,JPEG2000标准采用了离散小波变换、内嵌编码等技术,从而具有了渐进传输、感兴趣区域压缩、抗误码等新特性。
Compared with the JPEG standard, JPEG2000 standard adopts some different compress technique, such as the Discrete Wavelet Transform, Embedded Coding and so on.
与传统的JPEG标准相比,JPEG2000标准采用了离散小波变换、内嵌编码等技术,从而具有了渐进传输、感兴趣区域压缩、抗误码等新特性。
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