因此，需要寻找一种具有旋转和比例不变性的图像识别方法，以满足实际应用中的需要。

So a method of image recognition with rotation and scale invariance is required to satisfy the practical application.

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分析了在离散状态下比例因子对不变矩特征的影响，构造了一种新的不变矩，使其具有平移、旋转和比例因子的不变性。

This paper analyses the influence of scale factor on moment invariant features in discrete, constructs a new moment invariant with both scale, translation and rotating invariance.

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不变矩是模式识别中的一种重要方法，它具有平移不变性、比例不变性和旋转不变性等优点。

Invariant moments are important measure in the pattern recognition. Invariant moments are independent of position, scale and orientation.

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