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使用三次样条和 ｂｉｓｉｇｍｏｉｄａｌ函数对图像进行二维内插，提出了一种适合于 ＡＳＩＣ实现的视频格式转换的电路结构，极大地节省了存储器的容量。通过建立硬件仿真平台对不同格式视频信号进行实时转换，验证了系统设计的可行性。
The cubic spline and bisigmoidal functions were used to interpolate the image. A circuit structure suitable for the video format conversion realized by ASIC was proposed, which greatly saved the memory capacity. Through the establishment of hardware simulation platform for real-time conversion of different formats of video signals, verify the feasibility of system design.