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    • 10. 发明申请
    • GENERIC PLATFORM VIDEO IMAGE STABILIZATION
    • 一般平台视频图像稳定
    • US20110193978A1
    • 2011-08-11
    • US12704047
    • 2010-02-11
    • Yongjun WuNikola BorisovWeidong ZhaoShyam SadhwaniNaveen Thumpudi
    • Yongjun WuNikola BorisovWeidong ZhaoShyam SadhwaniNaveen Thumpudi
    • H04N5/228
    • H04N5/23267G06T3/0093G06T7/207H04L67/10H04N5/145H04N5/23248H04N5/23254H04N21/4223H04N21/44
    • Video image stabilization provides better performance on a generic platform for computing devices by evaluating available multimedia digital signal processing components, and selecting the available components to utilize according to a hierarchy structure for video stabilization performance for processing parts of the video stabilization. The video stabilization has improved motion vector estimation that employs refinement motion vector searching according to a pyramid block structure relationship starting from a downsampled resolution version of the video frames. The video stabilization also improves global motion transform estimation by performing a random sample consensus approach for processing the local motion vectors, and selection criteria for motion vector reliability. The video stabilization achieves the removal of hand shakiness smoothly by real-time one-pass or off-line two-pass temporal smoothing with error detection and correction.
    • 视频图像稳定通过评估可用的多媒体数字信号处理组件,以及根据用于处理视频稳定化的部分的视频稳定性能的层次结构来选择可利用的组件来在计算设备的通用平台上提供更好的性能。 视频稳定已经改进了运动矢量估计,其采用根据从视频帧的下采样分辨率版本开始的金字塔块结构关系的细化运动矢量搜索。 视频稳定还通过执行用于处理局部运动矢量的随机样本共享方法以及用于运动矢量可靠性的选择标准来改进全局运动变换估计。 视频稳定通过具有错误检测和校正的实时一次或离线两遍时间平滑实现平滑地去除手抖动。