Contrast anomaly method and normalization method have the near same calculating model, and can also identify puniness anomalies.

衬度异常法和归一化法的计算模型近于一致，对弱小异常也有一定的识别作用。

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The simplest way to eliminate disturbing factors is part statistics of the background values or delineating the anomalies by using the different anomaly thresholds or contrast values.

消除这些干扰因素的最简单方法是分区统计背景值，或者用不同异常下限或用衬度值圈定异常。

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