为了既能满足人们对图像质量的要求，又能降低传输时间，节省存储空间，于是提出了感兴趣区域编码技术。
To meet people's demand for image quality and reduce transmission time and save memory space, region of interest coding is advanced.
JPEG2000是一种新的静止图像编码国际标准，它提供了诸如基于失真度及分辨率的图像渐进恢复，感兴趣区域编码等新特性。
JPEG2000 is a new international standard for still image coding and provides many new features, such as progressive recovery of image by fidelity or resolution and region of interest (ROI) coding.
研究了基于整数到整数形状自适应离散小波变换对任意形状感兴趣区域的有损和无损编码技术。
Arbitrary shape region of interest lossily and losslessly coding technology based on integer-to-integer shape adaptive discrete wavelet transform has also been studied.
本文主要基于JPEG2000标准来研究图像编码和压缩相关技术，其重点是感兴趣区域（ROI）的压缩和EBCOT算法的优化。
The image coding and compression technologies based on the JPEG2000 standard is studied in this article, which focus on region-of-interest (ROI) compression and EBCOT optimization algorithm.
本文主要介绍感兴趣区域ROI编码技术的几种主要方法。
This text introduces several kinds of main methods of interested regional ROI code technology mainly.
针对以往提供的各种方法都对一个感兴趣区域进行编码的缺点，提出了实现多个感兴趣区域的无损压缩的方法。
Concerning about the disadvantage of formerly provided each method all aimed at coding a Region of interest, a new approach was proposed to realize multiple ROIs coding.
研究了等级树集分割编码方法(SPIHT)在任意形状感兴趣区域(ROI)编码中的应用。
The application of Set Partitioning in Hierarchical Trees (SPIHT) to the image coding of arbitrarily shaped Region of Interest (ROI) is investigated.
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.
本文提出了一种基于MPEG 4的感兴趣区域视频编码新方法。
对感兴趣区域(ROI)进行无损压缩编码过程中，采用整数小波变换然后进行算术编码的方案降低运算复杂度、保证图像质量。
In the process of compressing the ROI, to decrease the complexity of computation and ensure the quality of the image, integer wavelets transform and arithmetic algorithm are used.
最后，将感兴趣区域比特位提升与SPIHT编码算法结合，完成了图像的压缩编码。
Finally, the bit lifting on ROI is combined with SPIHT algorithm, accomplishing the image coding.
基于感兴趣区域的图像编码是一个JPEG2000的重要功能。
The image compression technology based on region of interest is an important function of JPEG2000.
该方案结合逐次逼近量化的思想根据图像小波分解后系数的多分辨特点来模拟人类视觉系统特性，并在图像试验中结合感兴趣区域进行编码。
The scheme simulates HVS with the idea of SAQ based on the character of MRA of image coefficients after wavelet transform, which is put into experiments with ROI encoding.
提出了一种感兴趣区域优先传输的可伸缩视频编码传输方法。
The redundancy is about 10 to 20 percents. An ROI-first transmission method of scalable video coding is proposed.
提出了一种感兴趣区域优先传输的可伸缩视频编码传输方法。
The redundancy is about 10 to 20 percents. An ROI-first transmission method of scalable video coding is proposed.
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