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    • 2. 发明申请
    • BLENDING MULTIPLE DISPLAY LAYERS
    • 混合多个显示层
    • WO2007146570A2
    • 2007-12-21
    • PCT/US2007069561
    • 2007-05-23
    • QUALCOMM INCKING SCOTT HOWARDJALIL SUHAILLIANG YI
    • KING SCOTT HOWARDJALIL SUHAILLIANG YI
    • G09G5/397G09G2340/125G09G2360/122
    • Image processing techniques are described that reduce the amount of bandwidth required to read an image from memory for display. According to the techniques, a processor stores low change rate display layers in a memory such that a processor can read the display layers from the memory using a reduced amount of processing resources. An overlay module blends low change rate display layers into a combined overlay layer. A processor reads the overlay layer from the memory and selectively processes the overlay layer based on processing information for the overlay layer recorded in memory. The processor then blends the overlay layer and a high change rate video display layer to update a single image for display according to a high change rate. In addition, the overlay module updates the overlay layer based on the low change rate display layers according to a low change rate.
    • 描述了图像处理技术,其减少了从显示存储器读取图像所需的带宽量。 根据该技术,处理器将低变化率显示层存储在存储器中,使得处理器可以使用减少量的处理资源从存储器读取显示层。 覆盖模块将低变化率显示层混合到组合覆盖层中。 处理器从存储器读取覆盖层,并且基于记录在存储器中的覆盖层的处理信息选择性地处理覆盖层。 然后,处理器将覆盖层和高变化率视频显示层混合以更新单个图像以根据高变化率显示。 此外,覆盖模块根据低变化率基于低变化率显示层更新覆盖层。