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    • 37. 发明授权
    • Rear projection display and circuit and method for adjusting image thereof
    • 背投影显示及其图像调整方法
    • US07787062B2
    • 2010-08-31
    • US11437956
    • 2006-05-19
    • Wen-Chih TaiShian-Jun ChiouChia-Lin LiuChi-Neng Mo
    • Wen-Chih TaiShian-Jun ChiouChia-Lin LiuChi-Neng Mo
    • H04N3/22H04N9/74
    • G09G3/002G09G2320/0233G09G2320/04G09G2320/0693G09G2340/0414G09G2340/0421G09G2340/0471G09G2340/0478G09G2340/14
    • A circuit for adjusting image is adapted for rear projection display. The circuit for adjusting image includes a parameter input unit, a data buffer unit, and a geometry transfer unit. The parameter input unit is used to provide a vertical and a horizontal axis amendment parameters. The data buffer unit couples the parameter input unit to buffer the vertical axis amendment parameter and the horizontal axis amendment parameter. The geometry transfer unit is used to receive input frame data with a plurality of pixels, and then every pixel's vertical axis coordinates multiply the vertical axis amendment parameter to transfer every pixel to a new vertical axis coordinate, and every pixel's horizontal axis coordinates multiply the horizontal axis amendment parameter to transfer every pixel to a new horizontal axis coordinate. Finally, the transferred new vertical and horizontal axis coordinates are transmitted to a display for displaying images for users to watch.
    • 用于调整图像的电路适用于背投显示。 用于调整图像的电路包括参数输入单元,数据缓冲单元和几何传送单元。 参数输入单元用于提供垂直和水平轴修正参数。 数据缓冲单元耦合参数输入单元缓冲垂直轴修正参数和水平轴修正参数。 几何传递单元用于接收具有多个像素的输入帧数据,然后每个像素的垂直轴坐标乘以垂直轴修正参数,以将每个像素传送到新的垂直轴坐标,并且每个像素的水平轴坐标乘以水平 轴修改参数将每个像素传输到新的水平轴坐标。 最后,传送的新的垂直和水平轴坐标被传送到用于显示用于观看的图像的显示器。