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    • 12. 发明授权
    • System and method for describing views in space, time, frequency, and resolution
    • 用于描述空间,时间,频率和分辨率的视图的系统和方法
    • US06223183B1
    • 2001-04-24
    • US09493435
    • 2000-01-29
    • John R. SmithChung-Sheng Li
    • John R. SmithChung-Sheng Li
    • G06F1730
    • G06F17/30256G06F17/30017Y10S707/99942Y10S707/99943
    • A system and method for uniformly describing space and frequency views of multi-dimensional lattice data, including regions, tilings and hierarchical decompositions of image, video, audio content, and time series data in space, time, frequency and resolution. The space and frequency view description scheme provides a way to specify regions in space, time, frequency and resolution in term of space and frequency views. This allows specification of concepts such as “half resolution”, “upper right quadrant” or “high pass band”, such as when referring to views of an image. The space and frequency view description scheme also provides for SFTilings comprising non-redundant sets of views and SFPartitionings which are SFTilings which completely cover the space, as well as SFHierarchical decompositions comprising hierarchies of SFViews where there are processing dependencies among views. The inventive system and method also provide a way to index these view, which is important in applications of progressive retrieval in which a client application can send requests for views of images stored at a server in terms of an index value. The space and frequency view description scheme handles the details concerning the access and relationship of views with different resolutions, spatial locations and sizes.
    • 用于统一描述多维格点数据的空间和频率视图的系统和方法,包括空间,时间,频率和分辨率的图像,视频,音频内容和时间序列数据的区域,方向和分层分解。 空间和频率视图描述方案提供了一种在空间和频率视图方面指定空间,时间,频率和分辨率的区域的方法。 这允许指定诸如“半分辨率”,“右上象限”或“高通频带”之类的概念,诸如当提及图像的视图时。 空间和频率视图描述方案还提供了包括非冗余视图组和SFP分区的SFT,其中SFP分区是完全覆盖该空间的SFT,以及包括在视图之间具有处理依赖性的SFView的层次结构的SF层级分解。 本发明的系统和方法还提供了一种索引这些视图的方法,这在逐行检索的应用中是重要的,其中客户端应用可以根据索引值发送存储在服务器上的图像的视图的请求。 空间和频率视图描述方案处理关于不同分辨率,空间位置和大小的视图的访问和关系的细节。
    • 17. 发明授权
    • Method and apparatus for transcoding multimedia using content analysis
    • 使用内容分析对多媒体进行代码转换的方法和装置
    • US06970602B1
    • 2005-11-29
    • US09413515
    • 1999-10-06
    • John R. SmithRakesh MohanChung-sheng Li
    • John R. SmithRakesh MohanChung-sheng Li
    • G06K9/36H04N7/26
    • H04N21/234336H04N19/12H04N19/17H04N19/186H04N19/40H04N21/25808H04N21/2662
    • A method and apparatus for selecting at least one transcoding method for manipulating multimedia data for delivery on the basis of analysis of the content of the multimedia data. Many possible transcoding operations can be performed on multimedia data to adapt it to constraints in delivery and display, processing and storage of client devices. The selection of specific transcoding operations can be made by first analyzing the features, purposes and relevances of the individual multimedia objects within the multimedia documents, then by selecting the transcoding alternatives according to the results of the analysis. Based on the analysis, different transcoding algorithms can be applied to different content, less than all of the content can be transcoded, groups of multimedia objects can be transcoded, etc.
    • 一种方法和装置,用于基于对多媒体数据的内容的分析来选择用于操纵用于传送的多媒体数据的至少一个代码转换方法。 可以对多媒体数据执行许多可能的代码转换操作,以使其适应于客户端设备的传送和显示,处理和存储的约束。 可以通过首先分析多媒体文档中的各个多媒体对象的特征,目的和相关性,然后通过根据分析结果选择代码转换替代来进行特定代码转换操作的选择。 基于分析,不同的代码转换算法可以应用于不同的内容,少于所有内容都可以进行转码,多媒体对象组可以转码等。