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    • 1. 发明授权
    • Multimedia device and play mode determination method of the same
    • 多媒体设备和播放模式确定方法相同
    • US08502922B2
    • 2013-08-06
    • US13279360
    • 2011-10-24
    • Hsiao-En ChangJian-De JiangChun WangTsui-Chin Chen
    • Hsiao-En ChangJian-De JiangChun WangTsui-Chin Chen
    • H04N7/01
    • H04N7/0115
    • A multimedia device and a play mode determination method of the same are provided. The multimedia device includes a frame difference calculation unit, a global threshold determination unit and a play mode determination unit. The frame difference calculation unit calculates the frame difference between two continuous frames to obtain a global variation. The global threshold determination unit determines a film mode threshold corresponding to a film mode and a video mode threshold corresponding to a video mode according to a current frame of the two frames and a previous global variation, and selects a global threshold from the film mode threshold and the video mod threshold. The selected threshold is smaller than the film mode threshold. The play mode determination unit compares the global variation with the global threshold, and enables the multimedia device to enter one of the film mode and the video mode according to the comparison result.
    • 提供一种多媒体装置及其播放模式确定方法。 多媒体设备包括帧差计算单元,全局阈值确定单元和播放模式确定单元。 帧差计算单元计算两个连续帧之间的帧差以获得全局变化。 全局阈值确定单元根据两帧的当前帧和先前的全局变化来确定与电影模式和视频模式阈值相对应的电影模式阈值和视频模式阈值,并从电影模式阈值中选择全局阈值 和视频模式阈值。 所选阈值小于胶片模式阈值。 播放模式确定单元将全局变化与全局阈值进行比较,并且使得多媒体设备能够根据比较结果进入电影模式和视频模式之一。
    • 2. 发明申请
    • MULTIMEDIA DEVICE AND PLAY MODE DETERMINATION METHOD OF THE SAME
    • 多媒体设备和播放模式确定方法
    • US20120140119A1
    • 2012-06-07
    • US13279360
    • 2011-10-24
    • Hsiao-En CHANGJian-De JiangChun WangTsui-Chin Chen
    • Hsiao-En CHANGJian-De JiangChun WangTsui-Chin Chen
    • H04N5/14
    • H04N7/0115
    • A multimedia device and a play mode determination method of the same are provided. The multimedia device includes a frame difference calculation unit, a global threshold determination unit and a play mode determination unit. The frame difference calculation unit calculates the frame difference between two continuous frames to obtain a global variation. The global threshold determination unit determines a film mode threshold corresponding to a film mode and a video mode threshold corresponding to a video mode according to a current frame of the two frames and a previous global variation, and selects a global threshold from the film mode threshold and the video mod threshold. The selected threshold is smaller than the film mode threshold. The play mode determination unit compares the global variation with the global threshold, and enables the multimedia device to enter one of the film mode and the video mode according to the comparison result.
    • 提供一种多媒体装置及其播放模式确定方法。 多媒体设备包括帧差计算单元,全局阈值确定单元和播放模式确定单元。 帧差计算单元计算两个连续帧之间的帧差以获得全局变化。 全局阈值确定单元根据两帧的当前帧和先前的全局变化来确定与电影模式和视频模式阈值相对应的电影模式阈值和视频模式阈值,并从电影模式阈值中选择全局阈值 和视频模式阈值。 所选阈值小于胶片模式阈值。 播放模式确定单元将全局变化与全局阈值进行比较,并且使得多媒体设备能够根据比较结果进入电影模式和视频模式之一。
    • 4. 发明申请
    • MULTIMEDIA DEVICE AND MOTION ESTIMATION METHOD THEREOF
    • 多媒体设备及其运动估计方法
    • US20120213284A1
    • 2012-08-23
    • US13402861
    • 2012-02-22
    • Yen-Sung CHENYu-Shu LiuTsui-Chin ChenChun WangJian-De Jiang
    • Yen-Sung CHENYu-Shu LiuTsui-Chin ChenChun WangJian-De Jiang
    • H04N7/26
    • H04N19/157H04N19/172H04N19/51H04N19/521
    • A motion estimation method is provided for generating a motion vector of a to-be-generated frame between two continuous reference frames. The method includes the following steps. A candidate motion vector is obtained according to the position of a to-be-generated block of a to-be-generated frame. Two first reference blocks are obtained from the two reference frames by extending the candidate motion vector from the to-be-generated block to the two reference frames, respectively. Two second reference blocks are obtained from the two reference frames by extending the candidate motion vector from one reference frame to another reference frame. Whether the candidate motion vector is valid is determined according to the positions of the two reference blocks obtained in each obtaining step. The corresponding motion vector of the to-be-generated block is determined according to the valid candidate motion vector.
    • 提供了一种运动估计方法,用于产生两个连续参考帧之间的待生成帧的运动矢量。 该方法包括以下步骤。 根据要生成的帧的待生成块的位置获得候选运动矢量。 通过将候选运动矢量分别从待生成的块延伸到两个参考帧,从两个参考帧获得两个第一参考块。 通过将候选运动矢量从一个参考帧延伸到另一参考帧,从两个参考帧获得两个第二参考块。 根据在每个获得步骤中获得的两个参考块的位置来确定候选运动矢量是否有效。 根据有效候选运动矢量确定待生成块的相应运动矢量。
    • 5. 发明申请
    • MULTIMEDIA DEVICE AND MOTION COMPENSATION METHOD THEREOF
    • 多媒体设备及其运动补偿方法
    • US20120170851A1
    • 2012-07-05
    • US13241489
    • 2011-09-23
    • Hsiao-En CHANGJian-De JiangI-Feng Lin
    • Hsiao-En CHANGJian-De JiangI-Feng Lin
    • G06K9/48
    • H04N19/587H04N19/20
    • A multimedia device and a motion compensation method thereof are provided for generating a middle frame between two frames. The multimedia device includes an interpolation unit, a linear process unit and a combination unit. The interpolation unit generates a first reference pixel data according to the relationship among a first pixel data, a second pixel data, and a third pixel data. The first and the second pixel data are obtained according to the location of a to-be-generated pixel and a relative motion vector. The third pixel data is obtained according to the two pixels data. The linear process unit provides a linear combination of the first and the second pixel data to generate a second reference pixel data. The combination unit combines the two reference pixel data according to the difference between the first and the second pixel data to generate a pixel data for the to-be-generated pixel.
    • 提供一种多媒体装置及其运动补偿方法,用于在两帧之间生成中间帧。 多媒体装置包括内插单元,线性处理单元和组合单元。 插值单元根据第一像素数据,第二像素数据和第三像素数据之间的关系生成第一参考像素数据。 根据要生成的像素的位置和相对运动矢量获得第一和第二像素数据。 根据两个像素数据获得第三像素数据。 线性处理单元提供第一和第二像素数据的线性组合以产生第二参考像素数据。 组合单元根据第一和第二像素数据之间的差组合两个参考像素数据,以生成要生成的像素的像素数据。
    • 6. 发明申请
    • METHOD FOR ADJUSTING MOVING DEPTHS OF VIDEO
    • 调整视频移动深度的方法
    • US20130135430A1
    • 2013-05-30
    • US13455130
    • 2012-04-25
    • Guang-Zhi LiuChun WangJian-De JiangGuo-Qing Liu
    • Guang-Zhi LiuChun WangJian-De JiangGuo-Qing Liu
    • H04N13/00
    • H04N13/264G06T7/579G06T2207/10016H04N13/161
    • A method for adjusting moving depths for a video is provided, which is adapted for 2D to 3D conversion. The method includes receiving a plurality of frames at a plurality time points and calculating a plurality of local motion vectors and a global motion vector in each of the frames. The method also includes determining a first difference degree between the local motion vectors and the global motion vector in the frames. The method further includes determining a second difference degree between a current frame and the other frames of the frames. The method also includes calculating a gain value according to the first difference degree and the second difference degree. The method further includes adjusting original moving depths of the current frame according to the gain value. Accordingly, a phenomenon of depth inversion can be avoided or mitigated.
    • 提供了一种用于调整视频移动深度的方法,适用于2D到3D转换。 该方法包括在多个时间点接收多个帧,并计算每个帧中的多个局部运动矢量和全局运动矢量。 该方法还包括确定帧中的局部运动矢量与全局运动矢量之间的第一差分度。 该方法还包括确定当前帧与帧的其他帧之间的第二差值。 该方法还包括根据第一差值和第二差值计算增益值。 该方法还包括根据增益值调整当前帧的原始移动深度。 因此,可以避免或减轻深度倒置的现象。
    • 8. 发明申请
    • Stereoscopic Image Display Method, Stereoscopic Image Driving Method, and Stereoscopic Image Display System
    • 立体图像显示方法,立体图像驱动方法和立体图像显示系统
    • US20130063420A1
    • 2013-03-14
    • US13372453
    • 2012-02-13
    • Jian-De Jiang
    • Jian-De Jiang
    • G06T15/00
    • G09G3/003H04N13/341
    • A stereoscopic image display method for a liquid crystal display panel is disclosed. The stereoscopic image display method includes providing a stereoscopic image including a first image frame and a second image frame, displaying the first image frame on a plurality of first scan lines of a liquid crystal display panel and displaying a plurality of first black pixel data on a plurality of second scan lines of the liquid crystal display panel during a first frame period, and displaying the second image frame on the plurality of second scan lines of the liquid crystal display panel and displaying a plurality of second black pixel data on the plurality of first scan lines of the liquid crystal display panel during a second frame period.
    • 公开了一种用于液晶显示面板的立体图像显示方法。 立体图像显示方法包括提供包括第一图像帧和第二图像帧的立体图像,在液晶显示面板的多个第一扫描线上显示第一图像帧,并在第一图像帧上显示多个第一黑色像素数据 在第一帧周期期间,液晶显示面板的多个第二扫描线,并且将第二图像帧显示在液晶显示面板的多个第二扫描线上,并且在多个第一扫描线上显示多个第二黑色像素数据 在第二帧期间的液晶显示面板的扫描线。