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    • 4. 发明授权
    • Method of spatio-temporally integrating/managing a plurality of videos and system for embodying the same, and recording medium for recording a program for the method
    • 时间上集成/管理多个视频的方法和体现其体系的方法以及用于记录该方法的程序的记录介质
    • US06411339B1
    • 2002-06-25
    • US09090642
    • 1998-06-04
    • Akihito AkutsuYoshinobu TonomuraHiroshi Hamada
    • Akihito AkutsuYoshinobu TonomuraHiroshi Hamada
    • H04N700
    • H04N5/772G11B27/28H04N5/144H04N5/262H04N5/2625H04N19/17H04N19/25
    • A camcorder operation condition detecting portion (103) reads image data string and detects camcorder on/off information and camcorder operating information. A video splitting portion (104) splits videos into respective shots based on the camcorder on/off information. A subject/background separating portion (105) separates a subject and a background based on the camcorder operating information, etc. A subject motion information extracting portion (106) correlates subject information separated every frame between frames. A video taken space resynthesizing portion (107) resynthesizes video taken spaces based on the camcorder operating information and the background. A shot-to-shot relation calculating portion (108) calculates spatial shot-to-shot relations between a plurality of video taken spaces. Hence, respective information of camcorder on/off, camcorder operation, subject, subject motion, resynthesized background, and shot-to-shot relation information can be spatio-temporally managed/stored, and the video taken spaces and one or more subjects can be resynthesized, displayed, or output in accordance with user's requests, etc.
    • 摄像机操作条件检测部分(103)读取图像数据串并检测摄像机开/关信息和摄像机操作信息。 视频分割部分(104)基于摄像机开/关信息将视频分割成相应的拍摄。 对象/背景分离部分(105)基于摄像机操作信息等分离对象和背景。被摄体动作信息提取部分(106)将帧之间的每帧分离的被摄体信息相关联。 视频拍摄空间重新合成部分(107)基于摄像机操作信息和背景重新合成视频拍摄空间。 射击关联计算部分(108)计算多个视频拍摄空间之间的空间射击关系。 因此,摄像机开/关,摄像机操作,被摄体,被摄体动作,再合成背景和拍摄对象关系信息的各个信息可以在时空上进行管理/存储,并且视频拍摄空间和一个或多个被摄体可以是 根据用户要求重新合成,显示或输出等。
    • 6. 发明授权
    • Scheme for detecting captions in coded video data without decoding coded video data
    • 用于检测编码视频数据中的字幕的方案,而不对编码的视频数据进行解码
    • US06243419B1
    • 2001-06-05
    • US08863840
    • 1997-05-27
    • Takashi SatouYukinobu TaniguchiYasuhiro NiikuraAkihito AkutsuYoshinobu TonomuraHiroshi Hamada
    • Takashi SatouYukinobu TaniguchiYasuhiro NiikuraAkihito AkutsuYoshinobu TonomuraHiroshi Hamada
    • H04B166
    • G06F17/30796G06F17/30831G06K9/325G06K2209/01H04N19/27H04N19/61
    • A video caption detection scheme capable of detecting captions from the coded video data which are coded by using a combination of predictive coding and motion compensation, without requiring the decoding of coded video data into frame images. In this video caption detection scheme, whether each pixel/block in the video data is coded by using inter-frame correlation without using motion compensation or not is judged. Then, a region in the video data at which pixels/blocks that is judged as being coded by using inter-frame correlation without using motion compensation are concentrated time-wise and space-wise, is detected as a caption region. The detection can be realized by counting a frequency of appearance of a pixel/block which is judged as being coded by using inter-frame correlation without using motion compensation, at each pixel/block position of a frame over a prescribed counting period, and then comparing the counted frequency of appearance with a prescribed threshold value.
    • 一种能够通过使用预测编码和运动补偿的组合来编码的编码视频数据中的字幕的视频字幕检测方案,而不需要将编码的视频数据解码成帧图像。 在该视频字幕检测方案中,判断视频数据中的每个像素/块是否通过使用帧间相关而不使用运动补偿进行编码。 然后,检测作为字幕区域的视频数据中通过使用帧间相关而不使用运动补偿被判断为被编码的像素/块的区域是时间上和空间上的。 可以通过在规定的计数周期的帧的每个像素/块位置处对通过使用帧间相关而不使用运动补偿来判断为被编码的像素/块的出现频率进行计数来实现检测,然后 将计算的外观频率与规定的阈值进行比较。
    • 10. 发明授权
    • Scheme for interactive video manipulation and display of moving object on background image
    • 交互式视频处理方案和背景图像上移动物体的显示
    • US06388669B2
    • 2002-05-14
    • US09776374
    • 2001-02-02
    • Kenichi MinamiYoshinobu TonomuraAkihito AkutsuYukinobu TaniguchiTakashi Satou
    • Kenichi MinamiYoshinobu TonomuraAkihito AkutsuYukinobu TaniguchiTakashi Satou
    • G06T1570
    • G06T13/00G06T11/00
    • A scheme for interactive video manipulation and display of a moving object on a background image is disclosed. In this scheme a background image stored in a background image storage unit is read out and displayed on a screen, and a manipulation target spatial position is set on the screen. Then, a partial image to be synthesized and displayed is uniquely specified from partial images which are set in correspondence to spatial positions on the background image and representing an object moving on the background image, according to the manipulation target spatial position set by the setting step, and the partial image as specified by the specifying step is read out from a partial image storage unit, and synthesized and displayed at the manipulation target spatial position on the background image. A scheme for realizing a variable speed video playback with a playback speed different from a normal one is also disclosed.
    • 公开了一种在背景图像上进行交互式视频处理和移动物体显示的方案。 在该方案中,存储在背景图像存储单元中的背景图像被读出并显示在屏幕上,并且操作对象空间位置被设置在屏幕上。 然后,根据由设定步骤设定的操作对象空间位置,对与背景图像上的空间位置对应地设定的表示基于背景图像上移动的物体的部分图像,唯一规定要合成和显示的部分图像, ,并且从部分图像存储单元读出由指定步骤指定的部分图像,并在背景图像上的操作目标空间位置处合成和显示。 还公开了一种用于实现具有与正常播放速度不同的播放速度的可变速度视频播放的方案。