文章提出了基于几何图像表示的点云曲面网络渐进传输方法。
This paper proposes a geometry image representation based progressive transmission of point cloud surface on the network.
并首次利用该方法实现了基于网络的地形三维基础数据的流式渐进传输机制。
The method is used for the first time to realize the stream progressing transmission mechanism of web based terrain 3D basic data.
渐进传输被认为是解决目前海量空间数据传输与实时用户体验之间矛盾的有效方法。
The progressive transmission strategy is considered to be an effective way to balance contradiction between scheduling the massive spatial data and the real time user experience.
首次提出了基于多分辨率渐进层提取的三维地形模型纹理数据建立和渐进传输的方法。
The method of constructing and progressively transmitting 3D terrain texture data based on multi-resolution progressive layers is put forward for the first time.
最后结合目前国内该方面最新的研究成果对空间数据网络渐进传输的研究趋势做了进一步展望。
Finally, this paper concludes with an outlook and several key techniques of the progressive transmission of spatial data over the Internet.
该文所提出的编码器不仅具有渐进传输和CBR应用所需的嵌入特性,同时也具有极低的算法复杂度。
The proposed algorithm also has many desirable features, such as the full embeddedness for progressive transmission and CBR traffic, and low-complexity.
为满足基于网络的大规模地形漫游系统中有限的网络带宽与海量地形数据之间的矛盾,提出了一种三维地形流式渐进传输方法。
To solve the contradictions between the limited network bandwidth and the mass of terrain data, a new approach of terrain data streaming transformation was proposed.
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.
当通过窄带连接进行图像传输时,渐进图像传输可以减少用户等待时间,提高浏览速度。
Progressive image transmission can help reducing the latency time and raise the browsing speed when transmitting images over low band links.
为此,该文提出一种针对外存模型的渐进压缩方法,能高效地压缩外存模型,并进行多分辨率的传输和显示。
With regard to this, this paper proposes a method that can progressively compress out-of-core models in high efficiency and transmit and render the models in multi-resolutions.
该文提出了一种噪声信道下传输渐进图像的联合信源信道编码方法。
In this paper, a joint source channel coding scheme used to transmit progressive image bit stream over noisy channel is proposed.
由于采用了渐进式多尺度的编码方式,再通过流式传输技术,就可以使采用这种算法生成的模型文件高效、方便地以渐进方式在网络上进行传输。馿。
Because eof the multi-scale progressive encoding through streaming transmission technology, itcan generate the model whose file is efficient and convenient to transmit progressively on thenetwork.
该文根据信源编码压缩比、信道码率及信道特征对渐进图像传输失真的影响,提出一种基于最小图像失真的动态码率分配策略。
A dynamic rate allocation method is presented which is based on the compression rate of image source coder, channel rate, channel characters and their influence on the distortion of progressive image.
由于采用了渐进式编码方式及流技术,使应用这种算法后生成的模型文件可以高效、方便地以渐进方式在网络上传输。
Due to the progressive coding and streaming technology, files encoded by this algorithm can be easily transferred through the network.
随着ASON技术的逐渐成熟,光传输网络的智能化也逐渐进入实施阶段。
AS the ASON technology is getting mature, intelligent optical transport network starts to put in practice.
由于采用了渐进式多尺度的编码方式,再通过流式传输技术,就可以使采用这种算法生成的模型文件高效、方便地以渐进方式在网络上进行传输。
Because of the multi-scale progressive encoding through streaming transmission technology, it can generate the model whose file is efficient and convenient to transmit progressively on the network.
由于采用了渐进式多尺度的编码方式,再通过流式传输技术,就可以使采用这种算法生成的模型文件高效、方便地以渐进方式在网络上进行传输。
Because of the multi-scale progressive encoding through streaming transmission technology, it can generate the model whose file is efficient and convenient to transmit progressively on the network.
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