公开(公告)号：US20100079605A1

公开(公告)日：2010-04-01

申请号：US12568078

申请日：2009-09-28

Applicant: Ye Wang ,  Lin Zhong ,  Ahmad Rahmati ,  Guangming Hong

Inventor： Ye Wang ,  Lin Zhong ,  Ahmad Rahmati ,  Guangming Hong

IPC: H04N5/228 ,  H04N7/26

CPC classification number: H04N5/225 ,  H04N19/527

Abstract: An apparatus comprising a sensor assisted video encoder (SaVE) configured to estimate global motion in a video sequence using sensor data, at least one sensor coupled to the SaVE and configured to generate the sensor data, and a camera equipped device coupled to the SaVE and the sensor and configured to capture the video sequence, wherein the SaVE estimates local motion in the video sequence based on the estimated global motion to reduce encoding time. Also included is a method comprising obtaining a video sequence, obtaining sensor data synchronized with the video sequence, converting the sensor data into global motion predictors, using the global motion predictors to reduce the search range for local motion estimation, and using a search algorithm for local motion estimation based on the reduced search range.

Abstract translation: 一种装置，包括被配置为使用传感器数据估计视频序列中的全局运动的传感器辅助视频编码器（SaVE），耦合到所述SaVE并被配置为生成所述传感器数据的至少一个传感器，以及耦合到所述SaVE和 所述传感器并且被配置为捕获所述视频序列，其中所述SaVE基于估计的全局运动估计所述视频序列中的局部运动，以减少编码时间。 还包括获得视频序列，获得与视频序列同步的传感器数据，使用全局运动预测器将传感器数据转换为全局运动预测器的方法，以减少用于局部运动估计的搜索范围，以及使用搜索算法 基于缩小搜索范围的局部运动估计。