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    • 14. 发明申请
    • DECODING APPARATUS FOR ENCODED VIDEO SIGNALS
    • 编码视频信号的解码设备
    • US20080291329A1
    • 2008-11-27
    • US12182641
    • 2008-07-30
    • Hiroki MizosoeTakuya Imaide
    • Hiroki MizosoeTakuya Imaide
    • H04N5/45
    • H04N5/45H04N5/85H04N9/8205H04N21/42646H04N21/4316H04N21/4348
    • The present invention is a decoding apparatus for decoding an encoded video signal capable of displaying a secondary video synchronously with a primary video. The decoding apparatus includes: an auxiliary information analyzing part that analyzes auxiliary information including display auxiliary information about a display position and/or a display size of the secondary video, and applied time information by which the display auxiliary information is applied; a reference time counter that indicates a reference time at which a video is decoded and displayed; a comparing part that compares the applied time information with the reference time counter; a display screen forming part that uses a primary video and a secondary video to form a display screen; and a control part that controls the display screen forming part, wherein the control part controls the display position and/or the display size of the secondary video by affording a command to the display screen forming part using the display auxiliary information, based on an output result of the comparing part.
    • 本发明是用于对能够与主视频同步地显示次要视频的编码视频信号进行解码的解码装置。 解码装置包括:辅助信息分析部分,分析辅助信息,包括关于显示位置的显示辅助信息和/或次要视频的显示尺寸;以及应用显示辅助信息的应用时间信息; 指示视频被解码和显示的参考时间的参考时间计数器; 比较部分,将所应用的时间信息与参考时间计数器进行比较; 显示屏幕形成部分,其使用主视频和次视频来形成显示屏; 以及控制显示画面形成部的控制部,其中,所述控制部基于所述显示辅助信息,通过使用所述显示辅助信息向所述显示画面形成部提供命令来控制所述二次视频的显示位置和/或显示尺寸 比较部分的结果。
    • 18. 发明授权
    • Image pickup apparatus and method of controlling the same
    • 摄像装置及其控制方法
    • US5847756A
    • 1998-12-08
    • US418441
    • 1995-04-07
    • Noriyuki IuraTomoyuki KurashigeNaoki YamamotoTakuya ImaideHiroaki KamiYoshihiro Todaka
    • Noriyuki IuraTomoyuki KurashigeNaoki YamamotoTakuya ImaideHiroaki KamiYoshihiro Todaka
    • H04N5/235H04N5/225
    • H04N5/2357H04N5/2352
    • An image pickup apparatus capable of generating a motion picture and a still picture. An amount of exposure in a still imaging mode is increased as compared with the amount of exposure for mode is increased as compared with the amount of exposure for one field in the motion picture imaging mode, preferably twice as large as the latter. In the still picture mode, electric charges are swept out from a CCD by an exposure control simultaneously with closing of a diaphragm for adjusting the amount of exposure. Upon occurrence of error in the closing operation of the diaphragm, the amount of exposure in the still picture mode is set to a design value. On the basis of difference between the design value and an actually measured value of the amount of exposure, gain for video signal is corrected. In the motion picture mode, the diaphragm and the electronic shutter speed is adjusted for preventing flicker from making appearance under illumination of a fluorescent lamp in indoor photographing. The adjusted speed can be 1/100 sec.
    • 一种能够产生运动图像和静止图像的图像拾取装置。 与静止成像模式中的曝光量相比,与用于运动图像成像模式中的一个场的曝光量相比,模式的曝光量增加,优选为后者的两倍。 在静止图像模式中,通过曝光控制从CCD扫描电荷,同时关闭用于调节曝光量的光圈。 当在隔膜的关闭操作中发生错误时,将静止图像模式中的曝光量设置为设计值。 基于设计值与曝光量的实际测量值之间的差异,校正视频信号的增益。 在动态影像模式中,调节光阑和电子快门速度,以防止室内照明中荧光灯的照明下出现闪烁。 调整速度可以为1/100秒。
    • 19. 发明授权
    • Televison camera
    • 电视摄像机
    • US5293238A
    • 1994-03-08
    • US899250
    • 1992-06-16
    • Takahiro NakanoTakuya Imaide
    • Takahiro NakanoTakuya Imaide
    • H04N5/217H04N5/235H04N5/335H04N5/351H04N5/353H04N5/357H04N5/378
    • H04N5/2357H04N5/235H04N5/2352Y10S348/91
    • Flicker which occurs when a television camera images an object under illumination of a flickering light source such as fluorescent lamp is minimized without causing sensitivity of a photoelectric conversion element and hence the camera to be degraded under a non-flickering light source. The television camera includes an automatic iris control device, an automatic gain control circuit, a microcomputer, a photoelectric conversion element and an integration circuit for integrating output signal of the photoelectric conversion element for each field period. The microcomputer sets a signal storage time of the photoelectric conversion element to a value by which flicker noise can be restricted when flicker is detected on the basis of a change of an output signal of the integration circuit and sets it to another value when a change of light source is detected on the basis of a change of iris value and gain.
    • 当电视摄像机在诸如荧光灯的闪烁光源的照明下成像物体时发生的闪烁被最小化,而不会引起光电转换元件的灵敏度,并因此照相机在非闪烁光源下劣化。 电视摄像机包括自动光圈控制装置,自动增益控制电路,微型计算机,光电转换元件和用于对每个场周期积分光电转换元件的输出信号的积分电路。 微型计算机将光电转换元件的信号存储时间设定为当基于积分电路的输出信号的变化检测到闪烁时可以限制闪烁噪声的值,并且当变化时,将其设置为另一个值 基于光圈值和增益的变化来检测光源。