从工程实际出发，讨论了图像增强电路的理论、设计与应用。

From the engineering practice, the theory, design and application of image enhancement circuit are discussed.

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文章讨论如何根据最小二乘原理和回归模型设计出自适应滤波器，以用于消除图像噪声。

This paper discusses how to design an adaptive filter to remove the noise of an image in terms of the principle of least squares and regression model.

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系统中fpga实现各种外围逻辑控制和图像预处理算法，FPGA的内部逻辑设计和算法实现是本文讨论的重点。

In system each interface logic control and image preprocess are implemented by FPGA, so the design of FPGA's internal logic and algorithms realization in FPGA is the focus of this article.

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