查询词典 hash coding

ABSTRACT Fractal image coding, which is also called attractor image coding, is a emergent method of image compression during the last decad...

分形图像编码方法是近十年来诞生并发展起来的一种新型图像压缩方法，它将图像编码为一组收缩映射，由这组收缩映射的不动点近似待编码对象。

Language of the law 8bitA 13 dogleg PCM coding, coding for beginners draw on.

语言实现的8bitA律13折线PCM编码，适合编码初学者参考借鉴。

As one of the key technologies of video coding, entropy coding has being developed and improved.

作为视频压缩的关键技术之一的熵编码技术也在不断地发展和改进。

According to the system specification of DRM given by ETSI, the channel coding scheme applied to the system is a set of combination schemes of the multilevel coding and modulation.

根据欧洲电信标准化委员会提供的数字调幅广播系统说明书可知，该系统采用的信道编码方案是一套基于删除卷积码的多级编码和调制的组合方案，它机制灵活，可以针对不同的数据通道和不同的信道条件选择不同码率的分量码和星座图。

A scalable video coding method oriented to human faces is proposed based on the joint of human face detection, tracking and wavelet image coding.

将人脸检测、跟踪和小波图象编码相结合，提出了一种面向人脸对象的视频分级编码方法。

So, these standards still couldn't satiate the demands of very low bit-rate applications (under 20kb/s). As to still image coding, even though the performance of wavelet image coding algorithms excel first generation image compression standard JPEG, but they will produce boring mosquito noise at low bit-rates, which are mainly located around image edges.

而在静态图像编码方面，虽然小波图像算法的编码性能远远超过第一代图像压缩标准JPEG，但它在低位率条件下也会出现蚊式噪音，主要集中在图像边缘附近，而且对于包含丰富纹理的自然图像，其编码效率也会急剧下降。

Experimental results show that the fixed vector hierarchical fractional coding approach achieves higher compression obviously, and it codes and decodes faster than the standard fractional block coding method.

实验表明，与基本的分形块编码方法相比，本文提出的固定矢量层次分形编码方法在保证一定的重建图象质量下，使图象的压缩比有了明显的提高，并且大大提高了编码和解码速度。

This paper presents a new fractional block coding approach with concept of fixed vector. The approach uses lineral combination of fixed vector in image flat, and it adopts hierarchical thought about fractional coding.

将固定矢量的概念应用于分形块编码中，对图象的平缓区进行固定矢量的线性组合编码，并且在分形编码中，采取了分层处理的思想。

It is proved that they are faster than FWT . Zerotree coding is one of the most advanced coding algorithms in the world .

最后，对零树量化编码后产生的比特流，用了自适应算术编码来进一步提高压缩比。

This paper presents the speckle suppression technology which includes the soft threshold, the hard threshold and the Garrote function threshold method. It gives the contrast result of the three method. Analyzed the embedded zero-trees wavelet coding method, it presents a SAR image coding technology with the speckle suppression. Finally, it presents a compressed SAR image with the speckle suppression.

摘要该文讨论了相干斑抑制技术中软阈值、硬阈值和Garrote函数去噪的方法，并对这些方法进行了比较；文中在讨论了嵌入式零树编码技术的基础上，提出了采用基于相干斑抑制技术的图像编码方法，利用该方法实现了对SAR图像数据的编码处理，给出了相应的处理结果。

Many will continue to choose to live in duality and in conflict.

许多人将继续选择活在二元对立性和冲突中。

I find that students of the University of Physical Education all wear sportswear at first sight.

我发现：体育大学的学生乍一看，都是穿运动衣，大家都一样