颜色空间转换电路的FPGA设计与实现

Design and Implementation of FPGA on Color Space Conversion Circuit

本文提出了一种基于现场可编程阵列器件(FPGA)的颜色空间转换电路的设计与实现方法,分析了RGB和YcbCr颜色空间特点,提出了适合硬件处理的定点实现方法,在乘加算法基础上,建立了参数化算法模型,给出了SystemGenerator模型描述,并对电路模型在FPGA中进行了验证。该方法省去了繁重的HDL代码编写与修改过程,实现简单可靠,实验表明此方法可以有效地提高系统的运行速度,并且具有很好的实时性。

The paper proposes a method to design and implement color space converting circuit based on FPGA. After analyzing the features of RGB and YcbCr color space, the fixed-point implementation which is fit for the hardware to process is proposed. The paper proposes the SystemGenerator model description after building the parameterized arithmetic model based on multiplicationaddition arithmetic, and the circuit model was verified on FPGA. This method is very easy and reliable to implement because of less programing and modifing work with HDL. The result of the experiment indicated the method is very useful to improve the system efficiency, and real-time is good.