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    • 83. 发明申请
    • METHOD FOR ACCESSING A STORAGE SERVER OF AN IM SERVICE SYSTEM, AND AN IM SERVICE SYSTEM
    • 用于访问IM服务系统的存储服务器的方法和IM服务系统
    • US20130125227A1
    • 2013-05-16
    • US13582803
    • 2011-03-01
    • Yan LuMan Xie
    • Yan LuMan Xie
    • H04L29/06
    • H04L51/04G06F21/41H04L63/0815
    • The present invention discloses a method for accessing a storage server of an IM service system and an IM service system. The method comprises: IM client sending registration request message to IM service system using first user identifier; after receiving registration request message, IM service system obtaining other user identifiers associated with the first user identifier, sending registration success response message comprising other user identifiers associated with the first user identifier to IM client; IM storage client sending login request comprising any one of multiple user identifiers to storage server; storage server receiving login request and obtaining other user identifiers associated with the user identifier in login request; the storage server passing identity verification of multiple user identifiers. The problem of repeat login of a user with multiple identifiers is effectively solved when accessing a storage server, the system access efficiency is improved and the user experience is enhanced.
    • 本发明公开了一种用于访问IM服务系统和IM服务系统的存储服务器的方法。 该方法包括:IM客户端使用第一用户标识向IM服务系统发送注册请求消息; 在接收到注册请求消息之后,IM服务系统获得与第一用户标识符相关联的其他用户标识符,向IM客户端发送包括与第一用户标识符相关联的其他用户标识符的注册成功响应消息; IM存储客户端向存储服务器发送包括多个用户标识符中的任何一个的登录请求; 存储服务器接收登录请求并获得与登录请求中的用户标识符相关联的其他用户标识符; 存储服务器通过多个用户标识符的身份验证。 在访问存储服务器时,有效解决了具有多个标识符的用户重复登录的问题,提高了系统访问效率,提高了用户体验。
    • 84. 发明授权
    • Encoding visual data with computation scheduling and allocation
    • 用计算调度和分配编码视觉数据
    • US08358693B2
    • 2013-01-22
    • US11457705
    • 2006-07-14
    • Yan LuFeng WuWei PuShipeng Li
    • Yan LuFeng WuWei PuShipeng Li
    • H04N7/12H04N11/02
    • H04N19/567H04N19/127H04N19/156H04N19/172H04N19/19H04N19/196H04N19/43H04N19/533H04N19/557
    • Computation scheduling and allocation for visual communication is described. In one aspect, multiple frames of video data are encoded by allocating for at least a subset of inter-coded frames, on frame-by-frame basis, computational resources to encode the inter-coded frame. To this end, a computational budget to encode a current inter-coded frame is estimated. The estimate is based on the actual computational costs to encode a previous inter-coded frame of video data. Next, sets of operations associated with encoding the current inter-coded frame are analyzed to determine computational resources to implement the operations. If the computational resources exceed the computational budget, complexity of the operations is reduced until the associated computational resources are less than or equal to the computational budget. At this point, the current inter-coded frame is encoded using the operations and the computational budget. This process is repeated for the remaining inter-coded frames of video data.
    • 描述视觉通信的计算调度和分配。 在一个方面,通过在逐帧的基础上为帧间编码帧的至少一个子集分配计算资源来编码帧间编码帧来编码多个视频数据帧。 为此,估计用于编码当前帧间编码帧的计算预算。 该估计是基于对先前的视频数据的帧间编码帧进行编码的实际计算成本。 接下来,分析与当前帧间编码帧的编码相关联的操作集合,以确定用于实现操作的计算资源。 如果计算资源超过计算预算,则减少操作的复杂度,直到相关的计算资源小于或等于计算预算。 此时,使用操作和计算预算对当前帧间编码帧进行编码。 对于视频数据的剩余帧间编码帧重复该过程。
    • 85. 发明授权
    • Wyner-Ziv coding with multiple side information
    • Wyner-Ziv编码与多方信息
    • US08340192B2
    • 2012-12-25
    • US12047317
    • 2008-03-12
    • Yan LuFeng WuMei GuoShipeng Li
    • Yan LuFeng WuMei GuoShipeng Li
    • H04N11/04
    • H03M7/30H03M13/2957H03M13/6312
    • A Wyner-Ziv coding scheme jointly utilizes multiple side information at the decoder is described. A new probability model is introduced based on an extended turbo decoding trellis, so that the transitional probability is calculated from the probabilities conditioned on multiple side information. The proposed scheme handles multiple side information in a multi-dimensional manner to potentially achieve coding performance better than either selecting one side information or generating a single side information by averaging several side information. When the decoder receives multiple streams of parity bits, the conditional probabilities on the parity bits from the multiple streams all contribute in turbo decoding. The errors existing in some of the streams can be automatically eliminated during the decoding process.
    • 描述了在解码器处共同利用多边信息的Wyner-Ziv编码方案。 基于扩展turbo解码网格引入新的概率模型,从而根据多边信息的概率计算过渡概率。 所提出的方案以多维方式处理多个侧面信息,以便比选择一个侧面信息或通过平均多个边缘信息来生成单个侧面信息来潜在地实现编码性能。 当解码器接收到多个奇偶校验位流时,来自多个流的奇偶校验位的条件概率在turbo解码中都有贡献。 在解码过程中可以自动消除一些流中存在的错误。
    • 88. 发明授权
    • High dynamic range texture compression
    • 高动态范围纹理压缩
    • US08165393B2
    • 2012-04-24
    • US12133369
    • 2008-06-05
    • Yan LuWen SunFeng WuShipeng Li
    • Yan LuWen SunFeng WuShipeng Li
    • G06K9/36
    • G06T9/00
    • A method for compressing a high dynamic range (HDR) texture. A first block of texels of the HDR texture in a red-green-blue (RGB) space may be transformed to a second block of texels in a luminance-chrominance space. The first block may have red values, green values and blue values. The second block may have luminance values and chrominance values. The chrominance values may be based on a sum of the red values, a sum of the green values and a sum of the blue values. The luminance values and the chrominance values may be converted to an 8-bit integer format. The luminance values may be modified to restore a local linearity property to the second block. The second block may be compressed.
    • 一种用于压缩高动态范围(HDR)纹理的方法。 红 - 绿 - 蓝(RGB)空间中的HDR纹理的纹素的第一块可以被变换为亮度 - 色度空间中的第二纹理纹理块。 第一个块可能具有红色值,绿色值和蓝色值。 第二块可以具有亮度值和色度值。 色度值可以基于红色值的总和,绿色值的和与蓝色值的和。 亮度值和色度值可以被转换成8位整数格式。 可以修改亮度值以恢复与第二块的局部线性特性。 第二个块可能被压缩。
    • 89. 发明申请
    • Method and system for transmitting large message mode converged IP messaging
    • 用于传输大型消息模式融合IP消息的方法和系统
    • US20120011260A1
    • 2012-01-12
    • US13257309
    • 2009-12-30
    • Yan LuGhazanfar Ali
    • Yan LuGhazanfar Ali
    • G06F15/16
    • H04L12/6418H04L51/36H04L51/38H04L65/1006H04L65/1069
    • The present invention discloses a method and system for transmitting a large message mode Converged IP Messaging (CPM) message, wherein the method comprises the following steps that: when sending a large message mode CPM message to a CPM client of a receiver, a CPM client of a sender sends a session invitation message to the CPM client of the receiver and negotiates with the CPM client of the receiver to determine a media transmission link between the CPM client of the sender and the CPM client of the receiver; the CPM client of the sender sends the content of the large message mode CPM message to the CPM client of the receiver via the determined media transmission link; and the CPM client of the sender or the CPM client of the receiver initiates a flow to end the session of the large message mode CPM message. The present invention realizes the transmission of a large message mode CPM message.
    • 本发明公开了一种用于发送大消息模式融合IP消息(CPM)消息的方法和系统,其中该方法包括以下步骤:当向接收者的CPM客户端发送大的消息模式CPM消息时,CPM客户端 发送方向接收者的CPM客户端发送会话邀请消息,并与接收者的CPM客户端进行协商,以确定发送方的CPM客户端与接收者的CPM客户端之间的媒体传输链路; 发送方的CPM客户端通过确定的媒体传输链路将大消息模式CPM消息的内容发送到接收者的CPM客户端; 并且接收者的发送者或CPM客户端的CPM客户端发起流结束大消息模式CPM消息的会话。 本发明实现了大消息模式CPM消息的传输。
    • 90. 发明授权
    • Image resizing for web-based image search
    • 基于Web的图像搜索的图像大小调整
    • US08081842B2
    • 2011-12-20
    • US12113007
    • 2008-04-30
    • Yan LuFeng WuRichard QianHeung-Yeung Shum
    • Yan LuFeng WuRichard QianHeung-Yeung Shum
    • G06K9/32G06K9/46G06F15/00G09G5/00
    • H04N19/625H04N19/132H04N19/14H04N19/172H04N19/587H04N19/59H04N19/85H04N19/86H04N19/90
    • Image resizing for web-based searching is described. In one implementation, a system resizes a user-selected thumbnail image into a larger version of the image that emulates the quality of a large, original image, but without downloading the original image. First, the system extracts resizing parameters when each thumbnail image is created. Then, the system creates a codebook of primitive visual elements extracted from a collection of training images. The primitive visual elements in the codebook provide universal visual parts for reconstructing images. The codebook and a resizing plug-in can be sent once to the user over a background channel. When the user selects a thumbnail image for enlargement, the system resizes the thumbnail image via interpolation and then refines the enlarged image with primitive visual elements from the codebook. The refinement creates an enlarged image that emulates the quality of the large, original image, without downloading the original image.
    • 描述了基于Web的搜索的图像调整大小。 在一个实现中,系统将用户选择的缩略图图像调整为模拟大的原始图像的质量但不下载原始图像的图像的较大版本。 首先,当创建每个缩略图时,系统提取调整大小的参数。 然后,系统创建从训练图像的集合中提取的原始视觉元素的码本。 码本中的原始视觉元素提供了用于重建图像的通用视觉部件。 码本和调整大小的插件可以通过背景频道一次发送给用户。 当用户选择缩放图像进行放大时,系统通过插值重新调整缩略图的大小,然后用码本中的原始视觉元素对放大图像进行细化。 细化创建一个放大的图像,可以模拟大型原始图像的质量,而无需下载原始图像。