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    • 6. 发明申请
    • Apparatus and method for switching channel of digital television
    • 数字电视切换通道的装置及方法
    • US20060061688A1
    • 2006-03-23
    • US11228590
    • 2005-09-15
    • Jong In Choi
    • Jong In Choi
    • H04N9/74H04N5/50
    • H04N5/4401H04N5/50H04N21/44016
    • An apparatus and method for switching a channel of a digital television is disclosed. The apparatus for switching a channel of the digital TV comprises a image processor for performing scaling of image data input to match an output image size; a frame storage unit for storing the image frames scaled by the image processor; and a controller for allowing a image frame of a first channel and a image frame of a second channel scaled by the image processor to be displayed as a single image. Therefore, the apparatus allows a window on a screen to be slid and results in minimization or a user eyestrain caused by a channel switching operation.
    • 公开了一种用于切换数字电视的频道的装置和方法。 用于切换数字TV的频道的装置包括图像处理器,用于执行输入的图像数据的缩放以匹配输出图像大小; 帧存储单元,用于存储由图像处理器缩放的图像帧; 以及用于允许第一通道的图像帧和由图像处理器缩放的第二通道的图像帧被显示为单个图像的控制器。 因此,该装置允许屏幕上的窗口滑动并导致由通道切换操作引起的最小化或用户眼睛疲劳。
    • 8. 发明授权
    • Method of scaling partial area of main picture
    • 缩放主画面部分区域的方法
    • US07489363B2
    • 2009-02-10
    • US11005938
    • 2004-12-06
    • Jong In Choi
    • Jong In Choi
    • H04N1/393H04N9/74
    • H04N5/44G06T3/40H04N5/45H04N21/4316H04N21/440245H04N21/440263H04N21/4728
    • The present invention provides a method of scaling a partial area of a main picture, by which the partial area of the main picture can be magnified in a manner of scaling the partial area of the picture displayed on a screen like using a virtual magnifier without employing a separate expensive hardware resource. The present invention comprises a first step of making a main scaler extract image data of the partial area to be scaled from full image data according to prescribed scaling information including magnification/reduction information for the partial area of a display picture, a second step of making a sub-scaler scale the extracted image data of the partial area at a prescribed rate, and a third step of overlaying the scaled image data of the partial area on the full image data provided from the main scaler.
    • 本发明提供一种缩放主图像的部分区域的方法,通过该方法可以以不使用虚拟放大镜的方式缩放显示在屏幕上的图像的部分区域的方式放大主图像的部分区域 一个单独的昂贵的硬件资源。 本发明包括:第一步骤,使主缩放器根据包括用于显示图像的局部区域的放大/缩小信息的规定缩放信息,从全图像数据中提取部分区域的图像数据,第二步骤 以规定的速率对所提取的部分区域的图像数据进行分分割比例缩放;以及第三步骤,将部分区域的缩放图像数据重叠在从主缩放器提供的全图像数据上。