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    • 1. 发明授权
    • Method and apparatus for multimedia queue management
    • 多媒体队列管理方法与装置
    • US09246830B2
    • 2016-01-26
    • US13253654
    • 2011-10-05
    • Zhu LiYong WangDong-Qing ZhangHong Heather Yu
    • Zhu LiYong WangDong-Qing ZhangHong Heather Yu
    • H04L12/28H04L12/823H04L12/835H04L29/06H04N21/647
    • H04L47/323H04L47/30H04L65/80H04N21/64738H04N21/64769
    • Methods and systems for a multimedia queue management solution that maintaining graceful Quality of Experience (QoE) degradation are provided. The method selects a frame from all weighted queues based on a gradient function indicating a network performance rate change and a distortion rate caused by the frame and its related frames in the queue, and dropping the selected frame and all its related frames, and continues to drop similarly chosen frame until a network performance rate change caused by the dropping frame and its related frames meets a predetermined performance metric. A frame gradient is a distortion rate divided by a network performance rate change caused by the frame and its related frames, and a distortion rate is based on a sum of each individual frame distortion rate when the frame and its related frames are replaced by some other frames derived from remaining frames based on a replacement method.
    • 提供了维护优雅的体验质量(QoE)降级的多媒体队列管理解决方案和方法。 该方法基于指示网络性能速率变化的梯度函数和由帧及其相关帧在队列中引起的失真率,并且丢弃所选帧及其所有相关帧,从所有加权队列中选择一帧,并继续 丢弃类似地选择的帧,直到由丢弃帧及其相关帧引起的网络性能速率变化满足预定的性能度量。 帧梯度是由帧及其相关帧引起的网络性能速率变化除以失真率,并且当帧和其相关帧被其他一些替换时,失真率基于每个单独的帧失真率的和 基于替换方法从剩余帧导出的帧。
    • 2. 发明申请
    • Method and Apparatus for Multimedia Queue Management
    • 多媒体队列管理方法与装置
    • US20130089107A1
    • 2013-04-11
    • US13253654
    • 2011-10-05
    • Zhu LiYong WangDong-Qing ZhangHong Heather Yu
    • Zhu LiYong WangDong-Qing ZhangHong Heather Yu
    • H04L12/56
    • H04L47/323H04L47/30H04L65/80H04N21/64738H04N21/64769
    • Methods and systems for a multimedia queue management solution that maintaining graceful Quality of Experience (QoE) degradation are provided. The method selects a frame from all weighted queues based on a gradient function indicating a network performance rate change and a distortion rate caused by the frame and its related frames in the queue, and dropping the selected frame and all its related frames, and continues to drop similarly chosen frame until a network performance rate change caused by the dropping frame and its related frames meets a predetermined performance metric. A frame gradient is a distortion rate divided by a network performance rate change caused by the frame and its related frames, and a distortion rate is based on a sum of each individual frame distortion rate when the frame and its related frames are replaced by some other frames derived from remaining frames based on a replacement method.
    • 提供了维护优雅的体验质量(QoE)降级的多媒体队列管理解决方案和方法。 该方法基于指示网络性能速率变化的梯度函数和由帧及其相关帧在队列中引起的失真率,并且丢弃所选帧及其所有相关帧,从所有加权队列中选择一帧,并继续 丢弃类似地选择的帧,直到由丢弃帧及其相关帧引起的网络性能速率变化满足预定的性能度量。 帧梯度是由帧及其相关帧引起的网络性能速率变化除以失真率,并且当帧和其相关帧被其他一些替换时,失真率基于每个单独的帧失真率的和 基于替换方法从剩余帧导出的帧。
    • 10. 发明授权
    • Method and system for converting 2D image data to stereoscopic image data
    • 将2D图像数据转换为立体图像数据的方法和系统
    • US09137518B2
    • 2015-09-15
    • US12735402
    • 2008-01-29
    • Dong-Qing ZhangIzzat Hekmat Izzat
    • Dong-Qing ZhangIzzat Hekmat Izzat
    • H04N15/00H04N13/00H04N13/02
    • H04N13/261
    • Methods and Systems are provided for converting a two-dimensional image sequence into a three-dimensional image. In one embodiment, a method for converting a two-dimensional image sequence into a three-dimensional image includes determining camera motion parameters between consecutive images in a monoscopic sequence of reference 2D images, wherein the consecutive images comprise a current reference image and an adjacent image, determining a horizontal disparity map for a target image using the camera motion parameters, determining a disparity probability value for each disparity vector of the disparity map, and determining a target image as a weighted average of pixel values in the current reference image using the disparity probability values, such that the target image and current reference image comprise a stereoscopic image pair.
    • 提供了将二维图像序列转换为三维图像的方法和系统。 在一个实施例中,将二维图像序列转换成三维图像的方法包括在参考2D图像的单视场序列中确定连续图像之间的相机运动参数,其中连续图像包括当前参考图像和相邻图像 使用相机运动参数确定目标图像的水平视差图,确定视差图的每个视差矢量的视差概率值,以及使用视差来确定目标图像作为当前参考图像中的像素值的加权平均值 概率值,使得目标图像和当前参考图像包括立体图像对。